├── .idea
    ├── .name
    ├── .gitignore
    ├── codeStyles
    │   ├── codeStyleConfig.xml
    │   └── Project.xml
    ├── compiler.xml
    ├── kotlinc.xml
    ├── vcs.xml
    ├── migrations.xml
    ├── deploymentTargetSelector.xml
    ├── misc.xml
    ├── gradle.xml
    ├── runConfigurations.xml
    └── inspectionProfiles
    │   └── Project_Default.xml
├── app
    ├── .gitignore
    ├── src
    │   ├── main
    │   │   ├── res
    │   │   │   ├── values
    │   │   │   │   ├── strings.xml
    │   │   │   │   ├── themes.xml
    │   │   │   │   └── colors.xml
    │   │   │   ├── raw
    │   │   │   │   ├── sound_0.wav
    │   │   │   │   ├── sound_1.wav
    │   │   │   │   ├── sound_2.wav
    │   │   │   │   ├── sound_3.wav
    │   │   │   │   ├── sound_4.wav
    │   │   │   │   ├── sound_5.wav
    │   │   │   │   ├── sound_6.wav
    │   │   │   │   ├── sound_7.wav
    │   │   │   │   ├── sound_8.wav
    │   │   │   │   ├── sound_9.wav
    │   │   │   │   ├── sound_a.wav
    │   │   │   │   ├── sound_b.wav
    │   │   │   │   ├── sound_c.wav
    │   │   │   │   ├── sound_d.wav
    │   │   │   │   ├── sound_e.wav
    │   │   │   │   ├── sound_f.wav
    │   │   │   │   ├── sound_g.wav
    │   │   │   │   ├── sound_h.wav
    │   │   │   │   ├── sound_i.wav
    │   │   │   │   ├── sound_j.wav
    │   │   │   │   ├── sound_k.wav
    │   │   │   │   ├── sound_l.wav
    │   │   │   │   ├── sound_m.wav
    │   │   │   │   ├── sound_n.wav
    │   │   │   │   ├── sound_o.wav
    │   │   │   │   ├── sound_p.wav
    │   │   │   │   ├── sound_q.wav
    │   │   │   │   ├── sound_r.wav
    │   │   │   │   ├── sound_s.wav
    │   │   │   │   ├── sound_t.wav
    │   │   │   │   ├── sound_u.wav
    │   │   │   │   ├── sound_v.wav
    │   │   │   │   ├── sound_w.wav
    │   │   │   │   ├── sound_x.wav
    │   │   │   │   ├── sound_y.wav
    │   │   │   │   └── sound_z.wav
    │   │   │   ├── mipmap-hdpi
    │   │   │   │   ├── ic_launcher.webp
    │   │   │   │   └── ic_launcher_round.webp
    │   │   │   ├── mipmap-mdpi
    │   │   │   │   ├── ic_launcher.webp
    │   │   │   │   └── ic_launcher_round.webp
    │   │   │   ├── mipmap-xhdpi
    │   │   │   │   ├── ic_launcher.webp
    │   │   │   │   └── ic_launcher_round.webp
    │   │   │   ├── mipmap-xxhdpi
    │   │   │   │   ├── ic_launcher.webp
    │   │   │   │   └── ic_launcher_round.webp
    │   │   │   ├── mipmap-xxxhdpi
    │   │   │   │   ├── ic_launcher.webp
    │   │   │   │   └── ic_launcher_round.webp
    │   │   │   ├── mipmap-anydpi-v26
    │   │   │   │   ├── ic_launcher.xml
    │   │   │   │   └── ic_launcher_round.xml
    │   │   │   ├── layout
    │   │   │   │   └── activity_main.xml
    │   │   │   ├── xml
    │   │   │   │   ├── backup_rules.xml
    │   │   │   │   └── data_extraction_rules.xml
    │   │   │   └── drawable
    │   │   │   │   ├── ic_launcher_foreground.xml
    │   │   │   │   └── ic_launcher_background.xml
    │   │   ├── java
    │   │   │   └── com
    │   │   │   │   └── example
    │   │   │   │       └── snake
    │   │   │   │           ├── Direction.kt
    │   │   │   │           ├── ui
    │   │   │   │               └── theme
    │   │   │   │               │   ├── Color.kt
    │   │   │   │               │   ├── Type.kt
    │   │   │   │               │   └── Theme.kt
    │   │   │   │           ├── Food.kt
    │   │   │   │           ├── GameThread.kt
    │   │   │   │           ├── SoundManager.kt
    │   │   │   │           ├── ControlButton.kt
    │   │   │   │           ├── MainActivity.kt
    │   │   │   │           ├── Snake.kt
    │   │   │   │           └── GameView.kt
    │   │   └── AndroidManifest.xml
    │   ├── test
    │   │   └── java
    │   │   │   └── com
    │   │   │       └── example
    │   │   │           └── snake
    │   │   │               └── ExampleUnitTest.kt
    │   └── androidTest
    │   │   └── java
    │   │       └── com
    │   │           └── example
    │   │               └── snake
    │   │                   └── ExampleInstrumentedTest.kt
    ├── proguard-rules.pro
    ├── build.gradle.kts
    └── build.gradle
├── README.md
├── gradle
    ├── wrapper
    │   ├── gradle-wrapper.jar
    │   └── gradle-wrapper.properties
    └── libs.versions.toml
├── .gitignore
├── rename_sounds.bat
├── settings.gradle
├── rename_sounds.sh
├── settings.gradle.kts
├── gradle.properties
├── gradlew.bat
└── gradlew


/.idea/.name:
--------------------------------------------------------------------------------
1 | Snake


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/app/.gitignore:
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1 | /build


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/README.md:
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1 | # snake_android
2 | 


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/.idea/.gitignore:
--------------------------------------------------------------------------------
1 | # Default ignored files
2 | /shelf/
3 | /workspace.xml
4 | 


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/app/src/main/res/values/strings.xml:
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1 | <resources>
2 |     <string name="app_name">snake</string>
3 | </resources>


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/app/src/main/res/raw/sound_0.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_0.wav


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/app/src/main/res/raw/sound_1.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_1.wav


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/app/src/main/res/raw/sound_2.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_2.wav


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/app/src/main/res/raw/sound_3.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_3.wav


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/app/src/main/res/raw/sound_4.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_4.wav


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/app/src/main/res/raw/sound_5.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_5.wav


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/app/src/main/res/raw/sound_6.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_6.wav


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/app/src/main/res/raw/sound_7.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_7.wav


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/app/src/main/res/raw/sound_8.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_8.wav


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/app/src/main/res/raw/sound_9.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_9.wav


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/app/src/main/res/raw/sound_a.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_a.wav


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/app/src/main/res/raw/sound_b.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_b.wav


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/app/src/main/res/raw/sound_c.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_c.wav


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/app/src/main/res/raw/sound_d.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_d.wav


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/app/src/main/res/raw/sound_e.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_e.wav


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/app/src/main/res/raw/sound_f.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_f.wav


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/app/src/main/res/raw/sound_g.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_g.wav


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/app/src/main/res/raw/sound_h.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_h.wav


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/app/src/main/res/raw/sound_i.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_i.wav


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/app/src/main/res/raw/sound_j.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_j.wav


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/app/src/main/res/raw/sound_k.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_k.wav


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/app/src/main/res/raw/sound_l.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_l.wav


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/app/src/main/res/raw/sound_m.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_m.wav


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/app/src/main/res/raw/sound_n.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_n.wav


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/app/src/main/res/raw/sound_o.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_o.wav


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/app/src/main/res/raw/sound_p.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_p.wav


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/app/src/main/res/raw/sound_q.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_q.wav


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/app/src/main/res/raw/sound_r.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_r.wav


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/app/src/main/res/raw/sound_s.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_s.wav


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/app/src/main/res/raw/sound_t.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_t.wav


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/app/src/main/res/raw/sound_u.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_u.wav


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/app/src/main/res/raw/sound_v.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_v.wav


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/app/src/main/res/raw/sound_w.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_w.wav


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/app/src/main/res/raw/sound_x.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_x.wav


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/app/src/main/res/raw/sound_y.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_y.wav


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/app/src/main/res/raw/sound_z.wav:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/raw/sound_z.wav


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/gradle/wrapper/gradle-wrapper.jar:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/gradle/wrapper/gradle-wrapper.jar


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/app/src/main/java/com/example/snake/Direction.kt:
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1 | package com.example.snake
2 | 
3 | enum class Direction {
4 |     UP, DOWN, LEFT, RIGHT
5 | } 


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/app/src/main/res/mipmap-hdpi/ic_launcher.webp:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/mipmap-hdpi/ic_launcher.webp


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/app/src/main/res/mipmap-mdpi/ic_launcher.webp:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/mipmap-mdpi/ic_launcher.webp


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/app/src/main/res/mipmap-xhdpi/ic_launcher.webp:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/mipmap-xhdpi/ic_launcher.webp


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/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp


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/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp


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/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp


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/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp


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/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp


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/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp


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/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp:
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https://raw.githubusercontent.com/monkey-wenjun/snake_android/main/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp


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/.idea/codeStyles/codeStyleConfig.xml:
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1 | <component name="ProjectCodeStyleConfiguration">
2 |   <state>
3 |     <option name="USE_PER_PROJECT_SETTINGS" value="true" />
4 |   </state>
5 | </component>


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/app/src/main/res/values/themes.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <resources>
3 | 
4 |     <style name="Theme.Snake" parent="android:Theme.Material.Light.NoActionBar" />
5 | </resources>


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/.idea/compiler.xml:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <project version="4">
3 |   <component name="CompilerConfiguration">
4 |     <bytecodeTargetLevel target="21" />
5 |   </component>
6 | </project>


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/.idea/kotlinc.xml:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <project version="4">
3 |   <component name="KotlinJpsPluginSettings">
4 |     <option name="version" value="1.9.22" />
5 |   </component>
6 | </project>


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/.idea/vcs.xml:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <project version="4">
3 |   <component name="VcsDirectoryMappings">
4 |     <mapping directory="$PROJECT_DIR$" vcs="Git" />
5 |   </component>
6 | </project>


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/gradle/wrapper/gradle-wrapper.properties:
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1 | #Sat Jan 25 20:06:32 CST 2025
2 | distributionBase=GRADLE_USER_HOME
3 | distributionPath=wrapper/dists
4 | distributionUrl=https\://services.gradle.org/distributions/gradle-8.9-bin.zip
5 | zipStoreBase=GRADLE_USER_HOME
6 | zipStorePath=wrapper/dists
7 | 


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/.gitignore:
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 1 | *.iml
 2 | .gradle
 3 | /local.properties
 4 | /.idea/caches
 5 | /.idea/libraries
 6 | /.idea/modules.xml
 7 | /.idea/workspace.xml
 8 | /.idea/navEditor.xml
 9 | /.idea/assetWizardSettings.xml
10 | .DS_Store
11 | /build
12 | /captures
13 | .externalNativeBuild
14 | .cxx
15 | local.properties
16 | 


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/.idea/migrations.xml:
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 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project version="4">
 3 |   <component name="ProjectMigrations">
 4 |     <option name="MigrateToGradleLocalJavaHome">
 5 |       <set>
 6 |         <option value="$PROJECT_DIR$" />
 7 |       </set>
 8 |     </option>
 9 |   </component>
10 | </project>


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/.idea/deploymentTargetSelector.xml:
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 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project version="4">
 3 |   <component name="deploymentTargetSelector">
 4 |     <selectionStates>
 5 |       <SelectionState runConfigName="app">
 6 |         <option name="selectionMode" value="DROPDOWN" />
 7 |       </SelectionState>
 8 |     </selectionStates>
 9 |   </component>
10 | </project>


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/app/src/main/java/com/example/snake/ui/theme/Color.kt:
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 1 | package com.example.snake.ui.theme
 2 | 
 3 | import androidx.compose.ui.graphics.Color
 4 | 
 5 | val Purple80 = Color(0xFFD0BCFF)
 6 | val PurpleGrey80 = Color(0xFFCCC2DC)
 7 | val Pink80 = Color(0xFFEFB8C8)
 8 | 
 9 | val Purple40 = Color(0xFF6650a4)
10 | val PurpleGrey40 = Color(0xFF625b71)
11 | val Pink40 = Color(0xFF7D5260)


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/rename_sounds.bat:
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 1 | @echo off
 2 | cd app\src\main\res\raw
 3 | 
 4 | REM 重命名数字文件
 5 | for %%i in (0 1 2 3 4 5 6 7 8 9) do (
 6 |     if exist %%i.wav (
 7 |         ren "%%i.wav" "sound_%%i.wav"
 8 |     )
 9 | )
10 | 
11 | REM 重命名字母文件
12 | for %%i in (A B C D E F G H I J K L M N O P Q R S T U V W X Y Z) do (
13 |     if exist %%i.wav (
14 |         ren "%%i.wav" "sound_%%i.wav"
15 |     )
16 | ) 


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/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
3 |     <background android:drawable="@drawable/ic_launcher_background" />
4 |     <foreground android:drawable="@drawable/ic_launcher_foreground" />
5 |     <monochrome android:drawable="@drawable/ic_launcher_foreground" />
6 | </adaptive-icon>


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/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
3 |     <background android:drawable="@drawable/ic_launcher_background" />
4 |     <foreground android:drawable="@drawable/ic_launcher_foreground" />
5 |     <monochrome android:drawable="@drawable/ic_launcher_foreground" />
6 | </adaptive-icon>


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/settings.gradle:
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 1 | pluginManagement {
 2 |     repositories {
 3 |         google()
 4 |         mavenCentral()
 5 |         gradlePluginPortal()
 6 |     }
 7 | }
 8 | 
 9 | dependencyResolutionManagement {
10 |     repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
11 |     repositories {
12 |         google()
13 |         mavenCentral()
14 |     }
15 | }
16 | 
17 | rootProject.name = "Snake"
18 | include ':app' 


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/rename_sounds.sh:
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 1 | #!/bin/bash
 2 | cd app/src/main/res/raw
 3 | 
 4 | # 重命名数字文件
 5 | for i in {0..9}; do
 6 |     if [ -f "$i.wav" ]; then
 7 |         mv "$i.wav" "sound_$i.wav"
 8 |     fi
 9 | done
10 | 
11 | # 重命名字母文件
12 | for letter in {A..Z}; do
13 |     if [ -f "$letter.wav" ]; then
14 |         # 转换为小写并重命名
15 |         lower=$(echo "$letter" | tr '[:upper:]' '[:lower:]')
16 |         mv "$letter.wav" "sound_$lower.wav"
17 |     fi
18 | done 


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/app/src/main/res/values/colors.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <resources>
 3 |     <color name="purple_200">#FFBB86FC</color>
 4 |     <color name="purple_500">#FF6200EE</color>
 5 |     <color name="purple_700">#FF3700B3</color>
 6 |     <color name="teal_200">#FF03DAC5</color>
 7 |     <color name="teal_700">#FF018786</color>
 8 |     <color name="black">#FF000000</color>
 9 |     <color name="white">#FFFFFFFF</color>
10 | </resources>


--------------------------------------------------------------------------------
/app/src/main/res/layout/activity_main.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     android:layout_width="match_parent"
 4 |     android:layout_height="match_parent">
 5 | 
 6 |     <com.example.snakegame.GameView
 7 |         android:id="@+id/gameView"
 8 |         android:layout_width="match_parent"
 9 |         android:layout_height="match_parent" />
10 | 
11 | </FrameLayout> 


--------------------------------------------------------------------------------
/app/src/test/java/com/example/snake/ExampleUnitTest.kt:
--------------------------------------------------------------------------------
 1 | package com.example.snake
 2 | 
 3 | import org.junit.Test
 4 | 
 5 | import org.junit.Assert.*
 6 | 
 7 | /**
 8 |  * Example local unit test, which will execute on the development machine (host).
 9 |  *
10 |  * See [testing documentation](http://d.android.com/tools/testing).
11 |  */
12 | class ExampleUnitTest {
13 |     @Test
14 |     fun addition_isCorrect() {
15 |         assertEquals(4, 2 + 2)
16 |     }
17 | }


--------------------------------------------------------------------------------
/.idea/misc.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project version="4">
 3 |   <component name="ExternalStorageConfigurationManager" enabled="true" />
 4 |   <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">
 5 |     <output url="file://$PROJECT_DIR$/build/classes" />
 6 |   </component>
 7 |   <component name="ProjectType">
 8 |     <option name="id" value="Android" />
 9 |   </component>
10 | </project>


--------------------------------------------------------------------------------
/app/src/main/res/xml/backup_rules.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?><!--
 2 |    Sample backup rules file; uncomment and customize as necessary.
 3 |    See https://developer.android.com/guide/topics/data/autobackup
 4 |    for details.
 5 |    Note: This file is ignored for devices older that API 31
 6 |    See https://developer.android.com/about/versions/12/backup-restore
 7 | -->
 8 | <full-backup-content>
 9 |     <!--
10 |    <include domain="sharedpref" path="."/>
11 |    <exclude domain="sharedpref" path="device.xml"/>
12 | -->
13 | </full-backup-content>


--------------------------------------------------------------------------------
/settings.gradle.kts:
--------------------------------------------------------------------------------
 1 | pluginManagement {
 2 |     repositories {
 3 |         google {
 4 |             content {
 5 |                 includeGroupByRegex("com\\.android.*")
 6 |                 includeGroupByRegex("com\\.google.*")
 7 |                 includeGroupByRegex("androidx.*")
 8 |             }
 9 |         }
10 |         mavenCentral()
11 |         gradlePluginPortal()
12 |     }
13 | }
14 | dependencyResolutionManagement {
15 |     repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
16 |     repositories {
17 |         google()
18 |         mavenCentral()
19 |     }
20 | }
21 | 
22 | rootProject.name = "snake"
23 | include(":app")
24 | 


--------------------------------------------------------------------------------
/app/src/main/res/xml/data_extraction_rules.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?><!--
 2 |    Sample data extraction rules file; uncomment and customize as necessary.
 3 |    See https://developer.android.com/about/versions/12/backup-restore#xml-changes
 4 |    for details.
 5 | -->
 6 | <data-extraction-rules>
 7 |     <cloud-backup>
 8 |         <!-- TODO: Use <include> and <exclude> to control what is backed up.
 9 |         <include .../>
10 |         <exclude .../>
11 |         -->
12 |     </cloud-backup>
13 |     <!--
14 |     <device-transfer>
15 |         <include .../>
16 |         <exclude .../>
17 |     </device-transfer>
18 |     -->
19 | </data-extraction-rules>


--------------------------------------------------------------------------------
/app/src/androidTest/java/com/example/snake/ExampleInstrumentedTest.kt:
--------------------------------------------------------------------------------
 1 | package com.example.snake
 2 | 
 3 | import androidx.test.platform.app.InstrumentationRegistry
 4 | import androidx.test.ext.junit.runners.AndroidJUnit4
 5 | 
 6 | import org.junit.Test
 7 | import org.junit.runner.RunWith
 8 | 
 9 | import org.junit.Assert.*
10 | 
11 | /**
12 |  * Instrumented test, which will execute on an Android device.
13 |  *
14 |  * See [testing documentation](http://d.android.com/tools/testing).
15 |  */
16 | @RunWith(AndroidJUnit4::class)
17 | class ExampleInstrumentedTest {
18 |     @Test
19 |     fun useAppContext() {
20 |         // Context of the app under test.
21 |         val appContext = InstrumentationRegistry.getInstrumentation().targetContext
22 |         assertEquals("com.example.snake", appContext.packageName)
23 |     }
24 | }


--------------------------------------------------------------------------------
/.idea/gradle.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project version="4">
 3 |   <component name="GradleMigrationSettings" migrationVersion="1" />
 4 |   <component name="GradleSettings">
 5 |     <option name="linkedExternalProjectsSettings">
 6 |       <GradleProjectSettings>
 7 |         <option name="testRunner" value="CHOOSE_PER_TEST" />
 8 |         <option name="externalProjectPath" value="$PROJECT_DIR$" />
 9 |         <option name="gradleJvm" value="#GRADLE_LOCAL_JAVA_HOME" />
10 |         <option name="modules">
11 |           <set>
12 |             <option value="$PROJECT_DIR$" />
13 |             <option value="$PROJECT_DIR$/app" />
14 |           </set>
15 |         </option>
16 |         <option name="resolveExternalAnnotations" value="false" />
17 |       </GradleProjectSettings>
18 |     </option>
19 |   </component>
20 | </project>


--------------------------------------------------------------------------------
/app/proguard-rules.pro:
--------------------------------------------------------------------------------
 1 | # Add project specific ProGuard rules here.
 2 | # You can control the set of applied configuration files using the
 3 | # proguardFiles setting in build.gradle.
 4 | #
 5 | # For more details, see
 6 | #   http://developer.android.com/guide/developing/tools/proguard.html
 7 | 
 8 | # If your project uses WebView with JS, uncomment the following
 9 | # and specify the fully qualified class name to the JavaScript interface
10 | # class:
11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
12 | #   public *;
13 | #}
14 | 
15 | # Uncomment this to preserve the line number information for
16 | # debugging stack traces.
17 | #-keepattributes SourceFile,LineNumberTable
18 | 
19 | # If you keep the line number information, uncomment this to
20 | # hide the original source file name.
21 | #-renamesourcefileattribute SourceFile


--------------------------------------------------------------------------------
/.idea/runConfigurations.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project version="4">
 3 |   <component name="RunConfigurationProducerService">
 4 |     <option name="ignoredProducers">
 5 |       <set>
 6 |         <option value="com.intellij.execution.junit.AbstractAllInDirectoryConfigurationProducer" />
 7 |         <option value="com.intellij.execution.junit.AllInPackageConfigurationProducer" />
 8 |         <option value="com.intellij.execution.junit.PatternConfigurationProducer" />
 9 |         <option value="com.intellij.execution.junit.TestInClassConfigurationProducer" />
10 |         <option value="com.intellij.execution.junit.UniqueIdConfigurationProducer" />
11 |         <option value="com.intellij.execution.junit.testDiscovery.JUnitTestDiscoveryConfigurationProducer" />
12 |         <option value="org.jetbrains.kotlin.idea.junit.KotlinJUnitRunConfigurationProducer" />
13 |         <option value="org.jetbrains.kotlin.idea.junit.KotlinPatternConfigurationProducer" />
14 |       </set>
15 |     </option>
16 |   </component>
17 | </project>


--------------------------------------------------------------------------------
/app/src/main/java/com/example/snake/ui/theme/Type.kt:
--------------------------------------------------------------------------------
 1 | package com.example.snake.ui.theme
 2 | 
 3 | import androidx.compose.material3.Typography
 4 | import androidx.compose.ui.text.TextStyle
 5 | import androidx.compose.ui.text.font.FontFamily
 6 | import androidx.compose.ui.text.font.FontWeight
 7 | import androidx.compose.ui.unit.sp
 8 | 
 9 | // Set of Material typography styles to start with
10 | val Typography = Typography(
11 |     bodyLarge = TextStyle(
12 |         fontFamily = FontFamily.Default,
13 |         fontWeight = FontWeight.Normal,
14 |         fontSize = 16.sp,
15 |         lineHeight = 24.sp,
16 |         letterSpacing = 0.5.sp
17 |     )
18 |     /* Other default text styles to override
19 |     titleLarge = TextStyle(
20 |         fontFamily = FontFamily.Default,
21 |         fontWeight = FontWeight.Normal,
22 |         fontSize = 22.sp,
23 |         lineHeight = 28.sp,
24 |         letterSpacing = 0.sp
25 |     ),
26 |     labelSmall = TextStyle(
27 |         fontFamily = FontFamily.Default,
28 |         fontWeight = FontWeight.Medium,
29 |         fontSize = 11.sp,
30 |         lineHeight = 16.sp,
31 |         letterSpacing = 0.5.sp
32 |     )
33 |     */
34 | )


--------------------------------------------------------------------------------
/app/src/main/AndroidManifest.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     xmlns:tools="http://schemas.android.com/tools">
 4 | 
 5 |     <uses-permission android:name="android.permission.VIBRATE" />
 6 | 
 7 |     <application
 8 |         android:allowBackup="true"
 9 |         android:dataExtractionRules="@xml/data_extraction_rules"
10 |         android:fullBackupContent="@xml/backup_rules"
11 |         android:icon="@mipmap/ic_launcher"
12 |         android:label="@string/app_name"
13 |         android:roundIcon="@mipmap/ic_launcher_round"
14 |         android:supportsRtl="true"
15 |         android:theme="@style/Theme.Snake"
16 |         tools:targetApi="31">
17 |         <activity
18 |             android:name=".MainActivity"
19 |             android:exported="true"
20 |             android:screenOrientation="landscape"
21 |             android:theme="@style/Theme.AppCompat.NoActionBar">
22 |             <intent-filter>
23 |                 <action android:name="android.intent.action.MAIN" />
24 | 
25 |                 <category android:name="android.intent.category.LAUNCHER" />
26 |             </intent-filter>
27 |         </activity>
28 |     </application>
29 | 
30 | </manifest>


--------------------------------------------------------------------------------
/gradle.properties:
--------------------------------------------------------------------------------
 1 | # Project-wide Gradle settings.
 2 | # IDE (e.g. Android Studio) users:
 3 | # Gradle settings configured through the IDE *will override*
 4 | # any settings specified in this file.
 5 | # For more details on how to configure your build environment visit
 6 | # http://www.gradle.org/docs/current/userguide/build_environment.html
 7 | # Specifies the JVM arguments used for the daemon process.
 8 | # The setting is particularly useful for tweaking memory settings.
 9 | org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
10 | # When configured, Gradle will run in incubating parallel mode.
11 | # This option should only be used with decoupled projects. For more details, visit
12 | # https://developer.android.com/r/tools/gradle-multi-project-decoupled-projects
13 | # org.gradle.parallel=true
14 | # AndroidX package structure to make it clearer which packages are bundled with the
15 | # Android operating system, and which are packaged with your app's APK
16 | # https://developer.android.com/topic/libraries/support-library/androidx-rn
17 | android.useAndroidX=true
18 | # Kotlin code style for this project: "official" or "obsolete":
19 | kotlin.code.style=official
20 | # Enables namespacing of each library's R class so that its R class includes only the
21 | # resources declared in the library itself and none from the library's dependencies,
22 | # thereby reducing the size of the R class for that library
23 | android.nonTransitiveRClass=true


--------------------------------------------------------------------------------
/app/src/main/res/drawable/ic_launcher_foreground.xml:
--------------------------------------------------------------------------------
 1 | <vector xmlns:android="http://schemas.android.com/apk/res/android"
 2 |     xmlns:aapt="http://schemas.android.com/aapt"
 3 |     android:width="108dp"
 4 |     android:height="108dp"
 5 |     android:viewportWidth="108"
 6 |     android:viewportHeight="108">
 7 |     <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
 8 |         <aapt:attr name="android:fillColor">
 9 |             <gradient
10 |                 android:endX="85.84757"
11 |                 android:endY="92.4963"
12 |                 android:startX="42.9492"
13 |                 android:startY="49.59793"
14 |                 android:type="linear">
15 |                 <item
16 |                     android:color="#44000000"
17 |                     android:offset="0.0" />
18 |                 <item
19 |                     android:color="#00000000"
20 |                     android:offset="1.0" />
21 |             </gradient>
22 |         </aapt:attr>
23 |     </path>
24 |     <path
25 |         android:fillColor="#FFFFFF"
26 |         android:fillType="nonZero"
27 |         android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
28 |         android:strokeWidth="1"
29 |         android:strokeColor="#00000000" />
30 | </vector>


--------------------------------------------------------------------------------
/gradle/libs.versions.toml:
--------------------------------------------------------------------------------
 1 | [versions]
 2 | agp = "8.8.0"
 3 | kotlin = "2.0.0"
 4 | coreKtx = "1.10.1"
 5 | junit = "4.13.2"
 6 | junitVersion = "1.1.5"
 7 | espressoCore = "3.5.1"
 8 | lifecycleRuntimeKtx = "2.6.1"
 9 | activityCompose = "1.8.0"
10 | composeBom = "2024.04.01"
11 | 
12 | [libraries]
13 | androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
14 | junit = { group = "junit", name = "junit", version.ref = "junit" }
15 | androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
16 | androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
17 | androidx-lifecycle-runtime-ktx = { group = "androidx.lifecycle", name = "lifecycle-runtime-ktx", version.ref = "lifecycleRuntimeKtx" }
18 | androidx-activity-compose = { group = "androidx.activity", name = "activity-compose", version.ref = "activityCompose" }
19 | androidx-compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "composeBom" }
20 | androidx-ui = { group = "androidx.compose.ui", name = "ui" }
21 | androidx-ui-graphics = { group = "androidx.compose.ui", name = "ui-graphics" }
22 | androidx-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling" }
23 | androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview" }
24 | androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
25 | androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
26 | androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
27 | 
28 | [plugins]
29 | android-application = { id = "com.android.application", version.ref = "agp" }
30 | kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
31 | kotlin-compose = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
32 | 
33 | 


--------------------------------------------------------------------------------
/app/build.gradle.kts:
--------------------------------------------------------------------------------
 1 | plugins {
 2 |     alias(libs.plugins.android.application)
 3 |     alias(libs.plugins.kotlin.android)
 4 |     alias(libs.plugins.kotlin.compose)
 5 | }
 6 | 
 7 | android {
 8 |     namespace = "com.example.snake"
 9 |     compileSdk = 35
10 | 
11 |     defaultConfig {
12 |         applicationId = "com.example.snake"
13 |         minSdk = 35
14 |         targetSdk = 35
15 |         versionCode = 1
16 |         versionName = "1.0"
17 | 
18 |         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
19 |     }
20 | 
21 |     buildTypes {
22 |         release {
23 |             isMinifyEnabled = false
24 |             proguardFiles(
25 |                 getDefaultProguardFile("proguard-android-optimize.txt"),
26 |                 "proguard-rules.pro"
27 |             )
28 |         }
29 |     }
30 |     compileOptions {
31 |         sourceCompatibility = JavaVersion.VERSION_11
32 |         targetCompatibility = JavaVersion.VERSION_11
33 |     }
34 |     kotlinOptions {
35 |         jvmTarget = "11"
36 |     }
37 |     buildFeatures {
38 |         compose = true
39 |     }
40 | }
41 | 
42 | dependencies {
43 | 
44 |     implementation(libs.androidx.core.ktx)
45 |     implementation(libs.androidx.lifecycle.runtime.ktx)
46 |     implementation(libs.androidx.activity.compose)
47 |     implementation(platform(libs.androidx.compose.bom))
48 |     implementation(libs.androidx.ui)
49 |     implementation(libs.androidx.ui.graphics)
50 |     implementation(libs.androidx.ui.tooling.preview)
51 |     implementation(libs.androidx.material3)
52 |     testImplementation(libs.junit)
53 |     androidTestImplementation(libs.androidx.junit)
54 |     androidTestImplementation(libs.androidx.espresso.core)
55 |     androidTestImplementation(platform(libs.androidx.compose.bom))
56 |     androidTestImplementation(libs.androidx.ui.test.junit4)
57 |     debugImplementation(libs.androidx.ui.tooling)
58 |     debugImplementation(libs.androidx.ui.test.manifest)
59 | }


--------------------------------------------------------------------------------
/app/src/main/java/com/example/snake/ui/theme/Theme.kt:
--------------------------------------------------------------------------------
 1 | package com.example.snake.ui.theme
 2 | 
 3 | import android.app.Activity
 4 | import android.os.Build
 5 | import androidx.compose.foundation.isSystemInDarkTheme
 6 | import androidx.compose.material3.MaterialTheme
 7 | import androidx.compose.material3.darkColorScheme
 8 | import androidx.compose.material3.dynamicDarkColorScheme
 9 | import androidx.compose.material3.dynamicLightColorScheme
10 | import androidx.compose.material3.lightColorScheme
11 | import androidx.compose.runtime.Composable
12 | import androidx.compose.ui.platform.LocalContext
13 | 
14 | private val DarkColorScheme = darkColorScheme(
15 |     primary = Purple80,
16 |     secondary = PurpleGrey80,
17 |     tertiary = Pink80
18 | )
19 | 
20 | private val LightColorScheme = lightColorScheme(
21 |     primary = Purple40,
22 |     secondary = PurpleGrey40,
23 |     tertiary = Pink40
24 | 
25 |     /* Other default colors to override
26 |     background = Color(0xFFFFFBFE),
27 |     surface = Color(0xFFFFFBFE),
28 |     onPrimary = Color.White,
29 |     onSecondary = Color.White,
30 |     onTertiary = Color.White,
31 |     onBackground = Color(0xFF1C1B1F),
32 |     onSurface = Color(0xFF1C1B1F),
33 |     */
34 | )
35 | 
36 | @Composable
37 | fun SnakeTheme(
38 |     darkTheme: Boolean = isSystemInDarkTheme(),
39 |     // Dynamic color is available on Android 12+
40 |     dynamicColor: Boolean = true,
41 |     content: @Composable () -> Unit
42 | ) {
43 |     val colorScheme = when {
44 |         dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
45 |             val context = LocalContext.current
46 |             if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
47 |         }
48 | 
49 |         darkTheme -> DarkColorScheme
50 |         else -> LightColorScheme
51 |     }
52 | 
53 |     MaterialTheme(
54 |         colorScheme = colorScheme,
55 |         typography = Typography,
56 |         content = content
57 |     )
58 | }


--------------------------------------------------------------------------------
/app/src/main/java/com/example/snake/Food.kt:
--------------------------------------------------------------------------------
 1 | package com.example.snake
 2 | 
 3 | import android.graphics.Canvas
 4 | import android.graphics.Color
 5 | import android.graphics.Paint
 6 | import kotlin.random.Random
 7 | 
 8 | class Food(
 9 |     private val screenWidth: Int,
10 |     private val screenHeight: Int,
11 |     val size: Float = 80f  // Increased default size
12 | ) {
13 |     var x: Float = 0f
14 |     var y: Float = 0f
15 |     var character: Char = 'A'
16 |     private val color: Int
17 |     
18 |     private val paint = Paint().apply {
19 |         style = Paint.Style.FILL
20 |         isAntiAlias = true
21 |     }
22 |     
23 |     private val textPaint = Paint().apply {
24 |         textAlign = Paint.Align.CENTER
25 |         textSize = size * 0.8f  // Larger text size relative to food size
26 |         isAntiAlias = true
27 |         color = Color.BLACK
28 |         isFakeBoldText = true  // Make text bolder
29 |     }
30 | 
31 |     init {
32 |         // Generate brighter colors for better visibility
33 |         color = Color.rgb(
34 |             Random.nextInt(128, 256),
35 |             Random.nextInt(128, 256),
36 |             Random.nextInt(128, 256)
37 |         )
38 |         respawn()
39 |     }
40 | 
41 |     fun respawn() {
42 |         // Keep food away from edges
43 |         val margin = size * 2
44 |         x = Random.nextFloat() * (screenWidth - 2 * margin) + margin
45 |         y = Random.nextFloat() * (screenHeight - 2 * margin) + margin
46 |         
47 |         // Generate random character (A-Z, a-z, 0-9)
48 |         character = when (Random.nextInt(3)) {
49 |             0 -> Random.nextInt(26).let { 'A' + it }  // Uppercase letters
50 |             1 -> Random.nextInt(26).let { 'a' + it }  // Lowercase letters
51 |             else -> Random.nextInt(10).let { '0' + it }  // Numbers
52 |         }
53 |     }
54 | 
55 |     fun draw(canvas: Canvas) {
56 |         // Draw glow effect
57 |         paint.color = color
58 |         for (i in 4 downTo 0) {
59 |             paint.alpha = 50 - i * 10
60 |             canvas.drawCircle(x, y, size * (1 + i * 0.1f), paint)
61 |         }
62 |         
63 |         // Draw main circle
64 |         paint.alpha = 255
65 |         canvas.drawCircle(x, y, size, paint)
66 |         
67 |         // Draw character with shadow for better visibility
68 |         textPaint.setShadowLayer(size * 0.1f, 0f, 0f, Color.WHITE)
69 |         canvas.drawText(
70 |             character.toString(),
71 |             x,
72 |             y + size * 0.3f,  // Adjust Y position for better centering
73 |             textPaint
74 |         )
75 |     }
76 | } 


--------------------------------------------------------------------------------
/app/build.gradle:
--------------------------------------------------------------------------------
 1 | plugins {
 2 |     id 'com.android.application'
 3 |     id 'kotlin-android'
 4 | }
 5 | 
 6 | android {
 7 |     namespace 'com.example.snake'
 8 |     compileSdk 34
 9 | 
10 |     defaultConfig {
11 |         applicationId "com.example.snake"
12 |         minSdk 26
13 |         targetSdk 34
14 |         versionCode 1
15 |         versionName "1.0"
16 | 
17 |         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
18 |         vectorDrawables {
19 |             useSupportLibrary true
20 |         }
21 |     }
22 | 
23 |     buildTypes {
24 |         release {
25 |             minifyEnabled false
26 |             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
27 |         }
28 |     }
29 |     
30 |     compileOptions {
31 |         sourceCompatibility JavaVersion.VERSION_1_8
32 |         targetCompatibility JavaVersion.VERSION_1_8
33 |     }
34 |     
35 |     kotlinOptions {
36 |         jvmTarget = '1.8'
37 |     }
38 | 
39 |     buildFeatures {
40 |         compose true
41 |     }
42 | 
43 |     composeOptions {
44 |         kotlinCompilerExtensionVersion '1.5.8'
45 |     }
46 | 
47 |     packaging {
48 |         resources {
49 |             excludes += '/META-INF/{AL2.0,LGPL2.1}'
50 |         }
51 |     }
52 | 
53 |     sourceSets {
54 |         main {
55 |             resources {
56 |                 srcDirs = ['src/main/resources']
57 |             }
58 |         }
59 |     }
60 | }
61 | 
62 | dependencies {
63 |     implementation 'androidx.core:core-ktx:1.12.0'
64 |     implementation 'androidx.appcompat:appcompat:1.6.1'
65 |     implementation 'com.google.android.material:material:1.11.0'
66 |     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
67 |     
68 |     // Compose dependencies
69 |     implementation platform('androidx.compose:compose-bom:2024.02.00')
70 |     implementation 'androidx.activity:activity-compose:1.8.2'
71 |     implementation 'androidx.compose.ui:ui'
72 |     implementation 'androidx.compose.ui:ui-graphics'
73 |     implementation 'androidx.compose.ui:ui-tooling-preview'
74 |     implementation 'androidx.compose.material3:material3'
75 |     implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.7.0'
76 |     
77 |     // Audio dependencies
78 |     implementation 'androidx.media:media:1.7.0'
79 |     
80 |     // Testing dependencies
81 |     testImplementation 'junit:junit:4.13.2'
82 |     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
83 |     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
84 |     androidTestImplementation platform('androidx.compose:compose-bom:2024.02.00')
85 |     androidTestImplementation 'androidx.compose.ui:ui-test-junit4'
86 |     debugImplementation 'androidx.compose.ui:ui-tooling'
87 |     debugImplementation 'androidx.compose.ui:ui-test-manifest'
88 | } 


--------------------------------------------------------------------------------
/app/src/main/java/com/example/snake/GameThread.kt:
--------------------------------------------------------------------------------
 1 | package com.example.snake
 2 | 
 3 | import android.graphics.Canvas
 4 | import android.view.SurfaceHolder
 5 | import android.util.Log
 6 | 
 7 | class GameThread(
 8 |     private val surfaceHolder: SurfaceHolder,
 9 |     private val gameView: GameView
10 | ) : Thread() {
11 |     
12 |     companion object {
13 |         private const val TAG = "GameThread"
14 |         private const val TARGET_FPS = 60
15 |         private const val TARGET_FRAME_TIME = (1000000000L / TARGET_FPS)  // in nanoseconds
16 |     }
17 |     
18 |     @Volatile
19 |     private var running = false
20 |     
21 |     fun setRunning(isRunning: Boolean) {
22 |         running = isRunning
23 |         if (!isRunning) {
24 |             interrupt()
25 |         }
26 |     }
27 |     
28 |     override fun run() {
29 |         var lastTime = System.nanoTime()
30 |         var currentTime: Long
31 |         var deltaTime: Long
32 |         var frameCount = 0
33 |         var lastFPSTime = lastTime
34 |         
35 |         while (running && !isInterrupted) {
36 |             currentTime = System.nanoTime()
37 |             deltaTime = currentTime - lastTime
38 |             
39 |             if (deltaTime >= TARGET_FRAME_TIME) {
40 |                 var canvas: Canvas? = null
41 |                 try {
42 |                     canvas = surfaceHolder.lockCanvas()
43 |                     synchronized(surfaceHolder) {
44 |                         gameView.update()
45 |                         if (canvas != null) {
46 |                             gameView.draw(canvas)
47 |                         }
48 |                     }
49 |                     
50 |                     // FPS calculation
51 |                     frameCount++
52 |                     if (currentTime - lastFPSTime >= 1000000000L) {  // Every second
53 |                         Log.d(TAG, "FPS: $frameCount")
54 |                         frameCount = 0
55 |                         lastFPSTime = currentTime
56 |                     }
57 |                     
58 |                     lastTime = currentTime
59 |                 } catch (e: Exception) {
60 |                     Log.e(TAG, "Error in game loop: ${e.message}")
61 |                     running = false
62 |                 } finally {
63 |                     try {
64 |                         canvas?.let { surfaceHolder.unlockCanvasAndPost(it) }
65 |                     } catch (e: Exception) {
66 |                         Log.e(TAG, "Error posting canvas: ${e.message}")
67 |                         running = false
68 |                     }
69 |                 }
70 |             }
71 |             
72 |             // Sleep to save CPU
73 |             val sleepTime = (TARGET_FRAME_TIME - (System.nanoTime() - currentTime)) / 1000000L
74 |             if (sleepTime > 0) {
75 |                 try {
76 |                     sleep(sleepTime)
77 |                 } catch (e: InterruptedException) {
78 |                     Log.d(TAG, "Thread interrupted")
79 |                     running = false
80 |                 }
81 |             }
82 |         }
83 |     }
84 | } 


--------------------------------------------------------------------------------
/gradlew.bat:
--------------------------------------------------------------------------------
 1 | @rem
 2 | @rem Copyright 2015 the original author or authors.
 3 | @rem
 4 | @rem Licensed under the Apache License, Version 2.0 (the "License");
 5 | @rem you may not use this file except in compliance with the License.
 6 | @rem You may obtain a copy of the License at
 7 | @rem
 8 | @rem      https://www.apache.org/licenses/LICENSE-2.0
 9 | @rem
10 | @rem Unless required by applicable law or agreed to in writing, software
11 | @rem distributed under the License is distributed on an "AS IS" BASIS,
12 | @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 | @rem See the License for the specific language governing permissions and
14 | @rem limitations under the License.
15 | @rem
16 | 
17 | @if "%DEBUG%" == "" @echo off
18 | @rem ##########################################################################
19 | @rem
20 | @rem  Gradle startup script for Windows
21 | @rem
22 | @rem ##########################################################################
23 | 
24 | @rem Set local scope for the variables with windows NT shell
25 | if "%OS%"=="Windows_NT" setlocal
26 | 
27 | set DIRNAME=%~dp0
28 | if "%DIRNAME%" == "" set DIRNAME=.
29 | set APP_BASE_NAME=%~n0
30 | set APP_HOME=%DIRNAME%
31 | 
32 | @rem Resolve any "." and ".." in APP_HOME to make it shorter.
33 | for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
34 | 
35 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
36 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
37 | 
38 | @rem Find java.exe
39 | if defined JAVA_HOME goto findJavaFromJavaHome
40 | 
41 | set JAVA_EXE=java.exe
42 | %JAVA_EXE% -version >NUL 2>&1
43 | if "%ERRORLEVEL%" == "0" goto execute
44 | 
45 | echo.
46 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
47 | echo.
48 | echo Please set the JAVA_HOME variable in your environment to match the
49 | echo location of your Java installation.
50 | 
51 | goto fail
52 | 
53 | :findJavaFromJavaHome
54 | set JAVA_HOME=%JAVA_HOME:"=%
55 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe
56 | 
57 | if exist "%JAVA_EXE%" goto execute
58 | 
59 | echo.
60 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
61 | echo.
62 | echo Please set the JAVA_HOME variable in your environment to match the
63 | echo location of your Java installation.
64 | 
65 | goto fail
66 | 
67 | :execute
68 | @rem Setup the command line
69 | 
70 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
71 | 
72 | 
73 | @rem Execute Gradle
74 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
75 | 
76 | :end
77 | @rem End local scope for the variables with windows NT shell
78 | if "%ERRORLEVEL%"=="0" goto mainEnd
79 | 
80 | :fail
81 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
82 | rem the _cmd.exe /c_ return code!
83 | if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
84 | exit /b 1
85 | 
86 | :mainEnd
87 | if "%OS%"=="Windows_NT" endlocal
88 | 
89 | :omega
90 | 


--------------------------------------------------------------------------------
/.idea/inspectionProfiles/Project_Default.xml:
--------------------------------------------------------------------------------
 1 | <component name="InspectionProjectProfileManager">
 2 |   <profile version="1.0">
 3 |     <option name="myName" value="Project Default" />
 4 |     <inspection_tool class="ComposePreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
 5 |       <option name="composableFile" value="true" />
 6 |       <option name="previewFile" value="true" />
 7 |     </inspection_tool>
 8 |     <inspection_tool class="ComposePreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
 9 |       <option name="composableFile" value="true" />
10 |       <option name="previewFile" value="true" />
11 |     </inspection_tool>
12 |     <inspection_tool class="ComposePreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
13 |       <option name="composableFile" value="true" />
14 |       <option name="previewFile" value="true" />
15 |     </inspection_tool>
16 |     <inspection_tool class="ComposePreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
17 |       <option name="composableFile" value="true" />
18 |       <option name="previewFile" value="true" />
19 |     </inspection_tool>
20 |     <inspection_tool class="GlancePreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
21 |       <option name="composableFile" value="true" />
22 |     </inspection_tool>
23 |     <inspection_tool class="GlancePreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
24 |       <option name="composableFile" value="true" />
25 |     </inspection_tool>
26 |     <inspection_tool class="GlancePreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
27 |       <option name="composableFile" value="true" />
28 |     </inspection_tool>
29 |     <inspection_tool class="GlancePreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
30 |       <option name="composableFile" value="true" />
31 |     </inspection_tool>
32 |     <inspection_tool class="PreviewAnnotationInFunctionWithParameters" enabled="true" level="ERROR" enabled_by_default="true">
33 |       <option name="composableFile" value="true" />
34 |       <option name="previewFile" value="true" />
35 |     </inspection_tool>
36 |     <inspection_tool class="PreviewApiLevelMustBeValid" enabled="true" level="ERROR" enabled_by_default="true">
37 |       <option name="composableFile" value="true" />
38 |       <option name="previewFile" value="true" />
39 |     </inspection_tool>
40 |     <inspection_tool class="PreviewDeviceShouldUseNewSpec" enabled="true" level="WEAK WARNING" enabled_by_default="true">
41 |       <option name="composableFile" value="true" />
42 |       <option name="previewFile" value="true" />
43 |     </inspection_tool>
44 |     <inspection_tool class="PreviewFontScaleMustBeGreaterThanZero" enabled="true" level="ERROR" enabled_by_default="true">
45 |       <option name="composableFile" value="true" />
46 |       <option name="previewFile" value="true" />
47 |     </inspection_tool>
48 |     <inspection_tool class="PreviewMultipleParameterProviders" enabled="true" level="ERROR" enabled_by_default="true">
49 |       <option name="composableFile" value="true" />
50 |       <option name="previewFile" value="true" />
51 |     </inspection_tool>
52 |     <inspection_tool class="PreviewPickerAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
53 |       <option name="composableFile" value="true" />
54 |       <option name="previewFile" value="true" />
55 |     </inspection_tool>
56 |   </profile>
57 | </component>


--------------------------------------------------------------------------------
/app/src/main/java/com/example/snake/SoundManager.kt:
--------------------------------------------------------------------------------
 1 | package com.example.snake
 2 | 
 3 | import android.content.Context
 4 | import android.media.AudioAttributes
 5 | import android.media.SoundPool
 6 | import android.util.Log
 7 | 
 8 | class SoundManager(context: Context) {
 9 |     companion object {
10 |         private const val TAG = "SoundManager"
11 |     }
12 | 
13 |     private val soundPool: SoundPool
14 |     private val soundMap = mutableMapOf<Char, Int>()
15 | 
16 |     init {
17 |         // Create AudioAttributes
18 |         val audioAttributes = AudioAttributes.Builder()
19 |             .setUsage(AudioAttributes.USAGE_GAME)
20 |             .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
21 |             .build()
22 | 
23 |         // Create SoundPool
24 |         soundPool = SoundPool.Builder()
25 |             .setMaxStreams(5)
26 |             .setAudioAttributes(audioAttributes)
27 |             .build()
28 | 
29 |         try {
30 |             // Load number sounds (0-9)
31 |             for (i in 0..9) {
32 |                 try {
33 |                     val resourceId = context.resources.getIdentifier(
34 |                         "sound_$i", "raw", context.packageName)
35 |                     if (resourceId != 0) {
36 |                         val soundId = soundPool.load(context, resourceId, 1)
37 |                         soundMap[i.toString()[0]] = soundId
38 |                         Log.d(TAG, "Loaded sound for number: $i")
39 |                     } else {
40 |                         Log.e(TAG, "Could not find sound resource for number: $i")
41 |                     }
42 |                 } catch (e: Exception) {
43 |                     Log.e(TAG, "Error loading sound for number $i: ${e.message}")
44 |                 }
45 |             }
46 | 
47 |             // Load letter sounds (A-Z)
48 |             for (c in 'A'..'Z') {
49 |                 try {
50 |                     val resourceId = context.resources.getIdentifier(
51 |                         "sound_${c.lowercase()}", "raw", context.packageName)
52 |                     if (resourceId != 0) {
53 |                         val soundId = soundPool.load(context, resourceId, 1)
54 |                         soundMap[c] = soundId
55 |                         soundMap[c.lowercaseChar()] = soundId  // Use same sound for lowercase
56 |                         Log.d(TAG, "Loaded sound for letter: $c")
57 |                     } else {
58 |                         Log.e(TAG, "Could not find sound resource for letter: $c")
59 |                     }
60 |                 } catch (e: Exception) {
61 |                     Log.e(TAG, "Error loading sound for letter $c: ${e.message}")
62 |                 }
63 |             }
64 | 
65 |             Log.d(TAG, "Successfully loaded ${soundMap.size} sounds")
66 |         } catch (e: Exception) {
67 |             Log.e(TAG, "Error initializing sounds: ${e.message}")
68 |         }
69 |     }
70 | 
71 |     fun playSound(character: Char) {
72 |         try {
73 |             soundMap[character]?.let { soundId ->
74 |                 val streamId = soundPool.play(soundId, 1f, 1f, 1, 0, 1f)
75 |                 if (streamId == 0) {
76 |                     Log.e(TAG, "Failed to play sound for character: $character")
77 |                 } else {
78 |                     Log.d(TAG, "Playing sound for character: $character (stream: $streamId)")
79 |                 }
80 |             } ?: Log.e(TAG, "No sound loaded for character: $character")
81 |         } catch (e: Exception) {
82 |             Log.e(TAG, "Error playing sound for character $character: ${e.message}")
83 |         }
84 |     }
85 | 
86 |     fun release() {
87 |         try {
88 |             soundPool.release()
89 |             Log.d(TAG, "SoundPool released")
90 |         } catch (e: Exception) {
91 |             Log.e(TAG, "Error releasing SoundPool: ${e.message}")
92 |         }
93 |     }
94 | } 


--------------------------------------------------------------------------------
/.idea/codeStyles/Project.xml:
--------------------------------------------------------------------------------
  1 | <component name="ProjectCodeStyleConfiguration">
  2 |   <code_scheme name="Project" version="173">
  3 |     <JetCodeStyleSettings>
  4 |       <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
  5 |     </JetCodeStyleSettings>
  6 |     <codeStyleSettings language="XML">
  7 |       <option name="FORCE_REARRANGE_MODE" value="1" />
  8 |       <indentOptions>
  9 |         <option name="CONTINUATION_INDENT_SIZE" value="4" />
 10 |       </indentOptions>
 11 |       <arrangement>
 12 |         <rules>
 13 |           <section>
 14 |             <rule>
 15 |               <match>
 16 |                 <AND>
 17 |                   <NAME>xmlns:android</NAME>
 18 |                   <XML_ATTRIBUTE />
 19 |                   <XML_NAMESPACE>^$</XML_NAMESPACE>
 20 |                 </AND>
 21 |               </match>
 22 |             </rule>
 23 |           </section>
 24 |           <section>
 25 |             <rule>
 26 |               <match>
 27 |                 <AND>
 28 |                   <NAME>xmlns:.*</NAME>
 29 |                   <XML_ATTRIBUTE />
 30 |                   <XML_NAMESPACE>^$</XML_NAMESPACE>
 31 |                 </AND>
 32 |               </match>
 33 |               <order>BY_NAME</order>
 34 |             </rule>
 35 |           </section>
 36 |           <section>
 37 |             <rule>
 38 |               <match>
 39 |                 <AND>
 40 |                   <NAME>.*:id</NAME>
 41 |                   <XML_ATTRIBUTE />
 42 |                   <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
 43 |                 </AND>
 44 |               </match>
 45 |             </rule>
 46 |           </section>
 47 |           <section>
 48 |             <rule>
 49 |               <match>
 50 |                 <AND>
 51 |                   <NAME>.*:name</NAME>
 52 |                   <XML_ATTRIBUTE />
 53 |                   <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
 54 |                 </AND>
 55 |               </match>
 56 |             </rule>
 57 |           </section>
 58 |           <section>
 59 |             <rule>
 60 |               <match>
 61 |                 <AND>
 62 |                   <NAME>name</NAME>
 63 |                   <XML_ATTRIBUTE />
 64 |                   <XML_NAMESPACE>^$</XML_NAMESPACE>
 65 |                 </AND>
 66 |               </match>
 67 |             </rule>
 68 |           </section>
 69 |           <section>
 70 |             <rule>
 71 |               <match>
 72 |                 <AND>
 73 |                   <NAME>style</NAME>
 74 |                   <XML_ATTRIBUTE />
 75 |                   <XML_NAMESPACE>^$</XML_NAMESPACE>
 76 |                 </AND>
 77 |               </match>
 78 |             </rule>
 79 |           </section>
 80 |           <section>
 81 |             <rule>
 82 |               <match>
 83 |                 <AND>
 84 |                   <NAME>.*</NAME>
 85 |                   <XML_ATTRIBUTE />
 86 |                   <XML_NAMESPACE>^$</XML_NAMESPACE>
 87 |                 </AND>
 88 |               </match>
 89 |               <order>BY_NAME</order>
 90 |             </rule>
 91 |           </section>
 92 |           <section>
 93 |             <rule>
 94 |               <match>
 95 |                 <AND>
 96 |                   <NAME>.*</NAME>
 97 |                   <XML_ATTRIBUTE />
 98 |                   <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
 99 |                 </AND>
100 |               </match>
101 |               <order>ANDROID_ATTRIBUTE_ORDER</order>
102 |             </rule>
103 |           </section>
104 |           <section>
105 |             <rule>
106 |               <match>
107 |                 <AND>
108 |                   <NAME>.*</NAME>
109 |                   <XML_ATTRIBUTE />
110 |                   <XML_NAMESPACE>.*</XML_NAMESPACE>
111 |                 </AND>
112 |               </match>
113 |               <order>BY_NAME</order>
114 |             </rule>
115 |           </section>
116 |         </rules>
117 |       </arrangement>
118 |     </codeStyleSettings>
119 |     <codeStyleSettings language="kotlin">
120 |       <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
121 |     </codeStyleSettings>
122 |   </code_scheme>
123 | </component>


--------------------------------------------------------------------------------
/app/src/main/java/com/example/snake/ControlButton.kt:
--------------------------------------------------------------------------------
  1 | package com.example.snake
  2 | 
  3 | import android.graphics.Canvas
  4 | import android.graphics.Paint
  5 | import android.graphics.Color
  6 | import android.util.Log
  7 | import kotlin.math.atan2
  8 | import kotlin.math.sqrt
  9 | 
 10 | class ControlButton(private val x: Float, private val y: Float, private val radius: Float) {
 11 |     companion object {
 12 |         private const val TAG = "ControlButton"
 13 |     }
 14 | 
 15 |     private val paint = Paint().apply {
 16 |         color = Color.GRAY
 17 |         style = Paint.Style.FILL
 18 |         alpha = 128
 19 |         isAntiAlias = true
 20 |     }
 21 | 
 22 |     private val borderPaint = Paint().apply {
 23 |         color = Color.WHITE
 24 |         style = Paint.Style.STROKE
 25 |         strokeWidth = 3f
 26 |         alpha = 80
 27 |     }
 28 | 
 29 |     private val arrowPaint = Paint().apply {
 30 |         color = Color.WHITE
 31 |         style = Paint.Style.FILL
 32 |         strokeWidth = 3f
 33 |         alpha = 120
 34 |     }
 35 | 
 36 |     private var snake: Snake? = null
 37 | 
 38 |     fun setSnake(snake: Snake) {
 39 |         this.snake = snake
 40 |         Log.d(TAG, "Snake reference set: $snake")
 41 |     }
 42 | 
 43 |     fun resetDirection() {
 44 |         snake?.setDirection(null)
 45 |         Log.d(TAG, "Direction reset")
 46 |     }
 47 | 
 48 |     fun draw(canvas: Canvas) {
 49 |         try {
 50 |             // Draw main circle
 51 |             canvas.drawCircle(x, y, radius, paint)
 52 |             canvas.drawCircle(x, y, radius, borderPaint)
 53 | 
 54 |             // Draw direction arrows
 55 |             val arrowSize = radius * 0.3f
 56 |             val arrowDist = radius * 0.5f
 57 |             
 58 |             // Draw arrows in all four directions
 59 |             canvas.drawPath(createArrowPath(x, y - arrowDist, arrowSize, Direction.UP), arrowPaint)
 60 |             canvas.drawPath(createArrowPath(x, y + arrowDist, arrowSize, Direction.DOWN), arrowPaint)
 61 |             canvas.drawPath(createArrowPath(x - arrowDist, y, arrowSize, Direction.LEFT), arrowPaint)
 62 |             canvas.drawPath(createArrowPath(x + arrowDist, y, arrowSize, Direction.RIGHT), arrowPaint)
 63 |         } catch (e: Exception) {
 64 |             Log.e(TAG, "Error drawing control button: ${e.message}", e)
 65 |         }
 66 |     }
 67 | 
 68 |     private fun createArrowPath(centerX: Float, centerY: Float, size: Float, direction: Direction): android.graphics.Path {
 69 |         val path = android.graphics.Path()
 70 |         
 71 |         when (direction) {
 72 |             Direction.UP -> {
 73 |                 path.moveTo(centerX, centerY - size)
 74 |                 path.lineTo(centerX - size, centerY + size)
 75 |                 path.lineTo(centerX + size, centerY + size)
 76 |             }
 77 |             Direction.DOWN -> {
 78 |                 path.moveTo(centerX, centerY + size)
 79 |                 path.lineTo(centerX - size, centerY - size)
 80 |                 path.lineTo(centerX + size, centerY - size)
 81 |             }
 82 |             Direction.LEFT -> {
 83 |                 path.moveTo(centerX - size, centerY)
 84 |                 path.lineTo(centerX + size, centerY - size)
 85 |                 path.lineTo(centerX + size, centerY + size)
 86 |             }
 87 |             Direction.RIGHT -> {
 88 |                 path.moveTo(centerX + size, centerY)
 89 |                 path.lineTo(centerX - size, centerY - size)
 90 |                 path.lineTo(centerX - size, centerY + size)
 91 |             }
 92 |         }
 93 |         path.close()
 94 |         return path
 95 |     }
 96 | 
 97 |     fun updateDirection(touchX: Float, touchY: Float) {
 98 |         if (!isPressed(touchX, touchY)) {
 99 |             return
100 |         }
101 | 
102 |         try {
103 |             // Calculate angle between touch point and button center
104 |             val dx = touchX - x
105 |             val dy = touchY - y
106 |             val angle = Math.toDegrees(atan2(dy.toDouble(), dx.toDouble())).toFloat()
107 |             
108 |             // Determine direction based on angle
109 |             val direction = when {
110 |                 angle in -45.0..45.0 -> Direction.RIGHT
111 |                 angle in 45.0..135.0 -> Direction.DOWN
112 |                 angle in -135.0..-45.0 -> Direction.UP
113 |                 else -> Direction.LEFT
114 |             }
115 | 
116 |             Log.d(TAG, "Setting direction: $direction, angle: $angle")
117 |             snake?.setDirection(direction)
118 |         } catch (e: Exception) {
119 |             Log.e(TAG, "Error updating direction: ${e.message}", e)
120 |         }
121 |     }
122 | 
123 |     fun isPressed(touchX: Float, touchY: Float): Boolean {
124 |         val dx = touchX - x
125 |         val dy = touchY - y
126 |         val distance = sqrt(dx * dx + dy * dy)
127 |         val result = distance <= radius * 1.2f  // Slightly larger touch area
128 |         if (result) {
129 |             Log.d(TAG, "Button pressed at ($touchX, $touchY)")
130 |         }
131 |         return result
132 |     }
133 | } 


--------------------------------------------------------------------------------
/app/src/main/res/drawable/ic_launcher_background.xml:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="utf-8"?>
  2 | <vector xmlns:android="http://schemas.android.com/apk/res/android"
  3 |     android:width="108dp"
  4 |     android:height="108dp"
  5 |     android:viewportWidth="108"
  6 |     android:viewportHeight="108">
  7 |     <path
  8 |         android:fillColor="#3DDC84"
  9 |         android:pathData="M0,0h108v108h-108z" />
 10 |     <path
 11 |         android:fillColor="#00000000"
 12 |         android:pathData="M9,0L9,108"
 13 |         android:strokeWidth="0.8"
 14 |         android:strokeColor="#33FFFFFF" />
 15 |     <path
 16 |         android:fillColor="#00000000"
 17 |         android:pathData="M19,0L19,108"
 18 |         android:strokeWidth="0.8"
 19 |         android:strokeColor="#33FFFFFF" />
 20 |     <path
 21 |         android:fillColor="#00000000"
 22 |         android:pathData="M29,0L29,108"
 23 |         android:strokeWidth="0.8"
 24 |         android:strokeColor="#33FFFFFF" />
 25 |     <path
 26 |         android:fillColor="#00000000"
 27 |         android:pathData="M39,0L39,108"
 28 |         android:strokeWidth="0.8"
 29 |         android:strokeColor="#33FFFFFF" />
 30 |     <path
 31 |         android:fillColor="#00000000"
 32 |         android:pathData="M49,0L49,108"
 33 |         android:strokeWidth="0.8"
 34 |         android:strokeColor="#33FFFFFF" />
 35 |     <path
 36 |         android:fillColor="#00000000"
 37 |         android:pathData="M59,0L59,108"
 38 |         android:strokeWidth="0.8"
 39 |         android:strokeColor="#33FFFFFF" />
 40 |     <path
 41 |         android:fillColor="#00000000"
 42 |         android:pathData="M69,0L69,108"
 43 |         android:strokeWidth="0.8"
 44 |         android:strokeColor="#33FFFFFF" />
 45 |     <path
 46 |         android:fillColor="#00000000"
 47 |         android:pathData="M79,0L79,108"
 48 |         android:strokeWidth="0.8"
 49 |         android:strokeColor="#33FFFFFF" />
 50 |     <path
 51 |         android:fillColor="#00000000"
 52 |         android:pathData="M89,0L89,108"
 53 |         android:strokeWidth="0.8"
 54 |         android:strokeColor="#33FFFFFF" />
 55 |     <path
 56 |         android:fillColor="#00000000"
 57 |         android:pathData="M99,0L99,108"
 58 |         android:strokeWidth="0.8"
 59 |         android:strokeColor="#33FFFFFF" />
 60 |     <path
 61 |         android:fillColor="#00000000"
 62 |         android:pathData="M0,9L108,9"
 63 |         android:strokeWidth="0.8"
 64 |         android:strokeColor="#33FFFFFF" />
 65 |     <path
 66 |         android:fillColor="#00000000"
 67 |         android:pathData="M0,19L108,19"
 68 |         android:strokeWidth="0.8"
 69 |         android:strokeColor="#33FFFFFF" />
 70 |     <path
 71 |         android:fillColor="#00000000"
 72 |         android:pathData="M0,29L108,29"
 73 |         android:strokeWidth="0.8"
 74 |         android:strokeColor="#33FFFFFF" />
 75 |     <path
 76 |         android:fillColor="#00000000"
 77 |         android:pathData="M0,39L108,39"
 78 |         android:strokeWidth="0.8"
 79 |         android:strokeColor="#33FFFFFF" />
 80 |     <path
 81 |         android:fillColor="#00000000"
 82 |         android:pathData="M0,49L108,49"
 83 |         android:strokeWidth="0.8"
 84 |         android:strokeColor="#33FFFFFF" />
 85 |     <path
 86 |         android:fillColor="#00000000"
 87 |         android:pathData="M0,59L108,59"
 88 |         android:strokeWidth="0.8"
 89 |         android:strokeColor="#33FFFFFF" />
 90 |     <path
 91 |         android:fillColor="#00000000"
 92 |         android:pathData="M0,69L108,69"
 93 |         android:strokeWidth="0.8"
 94 |         android:strokeColor="#33FFFFFF" />
 95 |     <path
 96 |         android:fillColor="#00000000"
 97 |         android:pathData="M0,79L108,79"
 98 |         android:strokeWidth="0.8"
 99 |         android:strokeColor="#33FFFFFF" />
100 |     <path
101 |         android:fillColor="#00000000"
102 |         android:pathData="M0,89L108,89"
103 |         android:strokeWidth="0.8"
104 |         android:strokeColor="#33FFFFFF" />
105 |     <path
106 |         android:fillColor="#00000000"
107 |         android:pathData="M0,99L108,99"
108 |         android:strokeWidth="0.8"
109 |         android:strokeColor="#33FFFFFF" />
110 |     <path
111 |         android:fillColor="#00000000"
112 |         android:pathData="M19,29L89,29"
113 |         android:strokeWidth="0.8"
114 |         android:strokeColor="#33FFFFFF" />
115 |     <path
116 |         android:fillColor="#00000000"
117 |         android:pathData="M19,39L89,39"
118 |         android:strokeWidth="0.8"
119 |         android:strokeColor="#33FFFFFF" />
120 |     <path
121 |         android:fillColor="#00000000"
122 |         android:pathData="M19,49L89,49"
123 |         android:strokeWidth="0.8"
124 |         android:strokeColor="#33FFFFFF" />
125 |     <path
126 |         android:fillColor="#00000000"
127 |         android:pathData="M19,59L89,59"
128 |         android:strokeWidth="0.8"
129 |         android:strokeColor="#33FFFFFF" />
130 |     <path
131 |         android:fillColor="#00000000"
132 |         android:pathData="M19,69L89,69"
133 |         android:strokeWidth="0.8"
134 |         android:strokeColor="#33FFFFFF" />
135 |     <path
136 |         android:fillColor="#00000000"
137 |         android:pathData="M19,79L89,79"
138 |         android:strokeWidth="0.8"
139 |         android:strokeColor="#33FFFFFF" />
140 |     <path
141 |         android:fillColor="#00000000"
142 |         android:pathData="M29,19L29,89"
143 |         android:strokeWidth="0.8"
144 |         android:strokeColor="#33FFFFFF" />
145 |     <path
146 |         android:fillColor="#00000000"
147 |         android:pathData="M39,19L39,89"
148 |         android:strokeWidth="0.8"
149 |         android:strokeColor="#33FFFFFF" />
150 |     <path
151 |         android:fillColor="#00000000"
152 |         android:pathData="M49,19L49,89"
153 |         android:strokeWidth="0.8"
154 |         android:strokeColor="#33FFFFFF" />
155 |     <path
156 |         android:fillColor="#00000000"
157 |         android:pathData="M59,19L59,89"
158 |         android:strokeWidth="0.8"
159 |         android:strokeColor="#33FFFFFF" />
160 |     <path
161 |         android:fillColor="#00000000"
162 |         android:pathData="M69,19L69,89"
163 |         android:strokeWidth="0.8"
164 |         android:strokeColor="#33FFFFFF" />
165 |     <path
166 |         android:fillColor="#00000000"
167 |         android:pathData="M79,19L79,89"
168 |         android:strokeWidth="0.8"
169 |         android:strokeColor="#33FFFFFF" />
170 | </vector>
171 | 


--------------------------------------------------------------------------------
/gradlew:
--------------------------------------------------------------------------------
  1 | #!/usr/bin/env sh
  2 | 
  3 | #
  4 | # Copyright 2015 the original author or authors.
  5 | #
  6 | # Licensed under the Apache License, Version 2.0 (the "License");
  7 | # you may not use this file except in compliance with the License.
  8 | # You may obtain a copy of the License at
  9 | #
 10 | #      https://www.apache.org/licenses/LICENSE-2.0
 11 | #
 12 | # Unless required by applicable law or agreed to in writing, software
 13 | # distributed under the License is distributed on an "AS IS" BASIS,
 14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 15 | # See the License for the specific language governing permissions and
 16 | # limitations under the License.
 17 | #
 18 | 
 19 | ##############################################################################
 20 | ##
 21 | ##  Gradle start up script for UN*X
 22 | ##
 23 | ##############################################################################
 24 | 
 25 | # Attempt to set APP_HOME
 26 | # Resolve links: $0 may be a link
 27 | PRG="$0"
 28 | # Need this for relative symlinks.
 29 | while [ -h "$PRG" ] ; do
 30 |     ls=`ls -ld "$PRG"`
 31 |     link=`expr "$ls" : '.*-> \(.*\)$'`
 32 |     if expr "$link" : '/.*' > /dev/null; then
 33 |         PRG="$link"
 34 |     else
 35 |         PRG=`dirname "$PRG"`"/$link"
 36 |     fi
 37 | done
 38 | SAVED="`pwd`"
 39 | cd "`dirname \"$PRG\"`/" >/dev/null
 40 | APP_HOME="`pwd -P`"
 41 | cd "$SAVED" >/dev/null
 42 | 
 43 | APP_NAME="Gradle"
 44 | APP_BASE_NAME=`basename "$0"`
 45 | 
 46 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 47 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
 48 | 
 49 | # Use the maximum available, or set MAX_FD != -1 to use that value.
 50 | MAX_FD="maximum"
 51 | 
 52 | warn () {
 53 |     echo "$*"
 54 | }
 55 | 
 56 | die () {
 57 |     echo
 58 |     echo "$*"
 59 |     echo
 60 |     exit 1
 61 | }
 62 | 
 63 | # OS specific support (must be 'true' or 'false').
 64 | cygwin=false
 65 | msys=false
 66 | darwin=false
 67 | nonstop=false
 68 | case "`uname`" in
 69 |   CYGWIN* )
 70 |     cygwin=true
 71 |     ;;
 72 |   Darwin* )
 73 |     darwin=true
 74 |     ;;
 75 |   MINGW* )
 76 |     msys=true
 77 |     ;;
 78 |   NONSTOP* )
 79 |     nonstop=true
 80 |     ;;
 81 | esac
 82 | 
 83 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 84 | 
 85 | 
 86 | # Determine the Java command to use to start the JVM.
 87 | if [ -n "$JAVA_HOME" ] ; then
 88 |     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
 89 |         # IBM's JDK on AIX uses strange locations for the executables
 90 |         JAVACMD="$JAVA_HOME/jre/sh/java"
 91 |     else
 92 |         JAVACMD="$JAVA_HOME/bin/java"
 93 |     fi
 94 |     if [ ! -x "$JAVACMD" ] ; then
 95 |         die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
 96 | 
 97 | Please set the JAVA_HOME variable in your environment to match the
 98 | location of your Java installation."
 99 |     fi
100 | else
101 |     JAVACMD="java"
102 |     which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
103 | 
104 | Please set the JAVA_HOME variable in your environment to match the
105 | location of your Java installation."
106 | fi
107 | 
108 | # Increase the maximum file descriptors if we can.
109 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
110 |     MAX_FD_LIMIT=`ulimit -H -n`
111 |     if [ $? -eq 0 ] ; then
112 |         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
113 |             MAX_FD="$MAX_FD_LIMIT"
114 |         fi
115 |         ulimit -n $MAX_FD
116 |         if [ $? -ne 0 ] ; then
117 |             warn "Could not set maximum file descriptor limit: $MAX_FD"
118 |         fi
119 |     else
120 |         warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
121 |     fi
122 | fi
123 | 
124 | # For Darwin, add options to specify how the application appears in the dock
125 | if $darwin; then
126 |     GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
127 | fi
128 | 
129 | # For Cygwin or MSYS, switch paths to Windows format before running java
130 | if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
131 |     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
132 |     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
133 | 
134 |     JAVACMD=`cygpath --unix "$JAVACMD"`
135 | 
136 |     # We build the pattern for arguments to be converted via cygpath
137 |     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
138 |     SEP=""
139 |     for dir in $ROOTDIRSRAW ; do
140 |         ROOTDIRS="$ROOTDIRS$SEP$dir"
141 |         SEP="|"
142 |     done
143 |     OURCYGPATTERN="(^($ROOTDIRS))"
144 |     # Add a user-defined pattern to the cygpath arguments
145 |     if [ "$GRADLE_CYGPATTERN" != "" ] ; then
146 |         OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
147 |     fi
148 |     # Now convert the arguments - kludge to limit ourselves to /bin/sh
149 |     i=0
150 |     for arg in "$@" ; do
151 |         CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
152 |         CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
153 | 
154 |         if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
155 |             eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
156 |         else
157 |             eval `echo args$i`="\"$arg\""
158 |         fi
159 |         i=`expr $i + 1`
160 |     done
161 |     case $i in
162 |         0) set -- ;;
163 |         1) set -- "$args0" ;;
164 |         2) set -- "$args0" "$args1" ;;
165 |         3) set -- "$args0" "$args1" "$args2" ;;
166 |         4) set -- "$args0" "$args1" "$args2" "$args3" ;;
167 |         5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
168 |         6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
169 |         7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
170 |         8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
171 |         9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
172 |     esac
173 | fi
174 | 
175 | # Escape application args
176 | save () {
177 |     for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
178 |     echo " "
179 | }
180 | APP_ARGS=`save "$@"`
181 | 
182 | # Collect all arguments for the java command, following the shell quoting and substitution rules
183 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
184 | 
185 | exec "$JAVACMD" "$@"
186 | 


--------------------------------------------------------------------------------
/app/src/main/java/com/example/snake/MainActivity.kt:
--------------------------------------------------------------------------------
  1 | package com.example.snake
  2 | 
  3 | import android.os.Bundle
  4 | import android.os.Handler
  5 | import android.os.Looper
  6 | import android.util.Log
  7 | import android.view.WindowManager
  8 | import android.widget.Toast
  9 | import androidx.appcompat.app.AlertDialog
 10 | import androidx.appcompat.app.AppCompatActivity
 11 | import androidx.core.view.WindowCompat
 12 | import androidx.core.view.WindowInsetsCompat
 13 | import androidx.core.view.WindowInsetsControllerCompat
 14 | 
 15 | class MainActivity : AppCompatActivity() {
 16 |     companion object {
 17 |         private const val TAG = "MainActivity"
 18 |         private const val GAME_TIME_LIMIT_MS = 5 * 60 * 1000L // 5 minutes
 19 |         private const val WARNING_INTERVAL_MS = 60 * 1000L // Show warning every minute
 20 |     }
 21 | 
 22 |     private var gameView: GameView? = null
 23 |     private lateinit var windowInsetsController: WindowInsetsControllerCompat
 24 |     private val handler = Handler(Looper.getMainLooper())
 25 |     private var gameStartTime = 0L
 26 |     private var isGameLocked = false
 27 | 
 28 |     private val gameTimeRunnable = object : Runnable {
 29 |         override fun run() {
 30 |             val elapsedTime = System.currentTimeMillis() - gameStartTime
 31 |             val remainingTime = GAME_TIME_LIMIT_MS - elapsedTime
 32 |             
 33 |             when {
 34 |                 remainingTime <= 0 -> {
 35 |                     if (!isGameLocked) {
 36 |                         lockGame()
 37 |                     }
 38 |                 }
 39 |                 remainingTime <= WARNING_INTERVAL_MS -> {
 40 |                     // Show warning in last minute
 41 |                     showTimeWarning(remainingTime)
 42 |                     handler.postDelayed(this, 15000) // Check every 15 seconds in last minute
 43 |                 }
 44 |                 else -> {
 45 |                     // Regular interval check
 46 |                     handler.postDelayed(this, WARNING_INTERVAL_MS)
 47 |                 }
 48 |             }
 49 |         }
 50 |     }
 51 | 
 52 |     private fun showTimeWarning(remainingTime: Long) {
 53 |         val remainingSeconds = (remainingTime / 1000).toInt()
 54 |         Toast.makeText(
 55 |             this,
 56 |             "小朋友，还剩 ${remainingSeconds} 秒游戏时间哦，请注意休息~",
 57 |             Toast.LENGTH_SHORT
 58 |         ).show()
 59 |     }
 60 | 
 61 |     private fun lockGame() {
 62 |         isGameLocked = true
 63 |         gameView?.pauseGame()
 64 |         
 65 |         AlertDialog.Builder(this)
 66 |             .setTitle("温馨提醒")
 67 |             .setMessage("小朋友，你已经玩了5分钟啦！\n该休息一下，保护眼睛了哦！")
 68 |             .setCancelable(false)
 69 |             .setPositiveButton("好的，我去休息") { _, _ ->
 70 |                 finish()
 71 |             }
 72 |             .show()
 73 |     }
 74 | 
 75 |     override fun onCreate(savedInstanceState: Bundle?) {
 76 |         super.onCreate(savedInstanceState)
 77 |         Log.d(TAG, "onCreate")
 78 |         
 79 |         try {
 80 |             // Enable edge-to-edge
 81 |             WindowCompat.setDecorFitsSystemWindows(window, false)
 82 |             
 83 |             // Configure window insets controller
 84 |             windowInsetsController = WindowInsetsControllerCompat(window, window.decorView).apply {
 85 |                 // Hide system bars
 86 |                 hide(WindowInsetsCompat.Type.systemBars())
 87 |                 systemBarsBehavior = WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
 88 |             }
 89 | 
 90 |             // Keep screen on
 91 |             window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
 92 |             
 93 |             gameView = GameView(this)
 94 |             setContentView(gameView)
 95 |             
 96 |             // Start tracking game time
 97 |             gameStartTime = System.currentTimeMillis()
 98 |             handler.post(gameTimeRunnable)
 99 |             
100 |         } catch (e: Exception) {
101 |             Log.e(TAG, "Error in onCreate: ${e.message}", e)
102 |             Toast.makeText(this, "游戏启动出错，请重试", Toast.LENGTH_SHORT).show()
103 |             finish()
104 |         }
105 |     }
106 | 
107 |     override fun onWindowFocusChanged(hasFocus: Boolean) {
108 |         super.onWindowFocusChanged(hasFocus)
109 |         Log.d(TAG, "Window focus changed: $hasFocus")
110 |         try {
111 |             if (hasFocus) {
112 |                 // Re-hide system bars when focus is regained
113 |                 windowInsetsController.hide(WindowInsetsCompat.Type.systemBars())
114 |             } else {
115 |                 gameView?.pauseGame()
116 |             }
117 |         } catch (e: Exception) {
118 |             Log.e(TAG, "Error in onWindowFocusChanged: ${e.message}", e)
119 |         }
120 |     }
121 | 
122 |     override fun onPause() {
123 |         Log.d(TAG, "onPause")
124 |         try {
125 |             super.onPause()
126 |             gameView?.pauseGame()
127 |             handler.removeCallbacks(gameTimeRunnable)
128 |         } catch (e: Exception) {
129 |             Log.e(TAG, "Error in onPause: ${e.message}", e)
130 |         }
131 |     }
132 | 
133 |     override fun onResume() {
134 |         Log.d(TAG, "onResume")
135 |         try {
136 |             super.onResume()
137 |             if (!isGameLocked) {
138 |                 // Add a slight delay before resuming to ensure surface is ready
139 |                 gameView?.postDelayed({
140 |                     gameView?.resumeGame()
141 |                 }, 100)
142 |                 handler.post(gameTimeRunnable)
143 |             }
144 |         } catch (e: Exception) {
145 |             Log.e(TAG, "Error in onResume: ${e.message}", e)
146 |         }
147 |     }
148 | 
149 |     override fun onStop() {
150 |         Log.d(TAG, "onStop")
151 |         try {
152 |             super.onStop()
153 |             gameView?.pauseGame()
154 |             handler.removeCallbacks(gameTimeRunnable)
155 |         } catch (e: Exception) {
156 |             Log.e(TAG, "Error in onStop: ${e.message}", e)
157 |         }
158 |     }
159 | 
160 |     override fun onDestroy() {
161 |         Log.d(TAG, "onDestroy")
162 |         try {
163 |             super.onDestroy()
164 |             handler.removeCallbacks(gameTimeRunnable)
165 |             gameView?.cleanup()
166 |             gameView = null
167 |         } catch (e: Exception) {
168 |             Log.e(TAG, "Error in onDestroy: ${e.message}", e)
169 |         }
170 |     }
171 | 
172 |     override fun finish() {
173 |         Log.d(TAG, "finish")
174 |         try {
175 |             gameView?.cleanup()
176 |             handler.removeCallbacks(gameTimeRunnable)
177 |             super.finish()
178 |         } catch (e: Exception) {
179 |             Log.e(TAG, "Error in finish: ${e.message}", e)
180 |         }
181 |     }
182 | }


--------------------------------------------------------------------------------
/app/src/main/java/com/example/snake/Snake.kt:
--------------------------------------------------------------------------------
  1 | package com.example.snake
  2 | 
  3 | import android.graphics.Canvas
  4 | import android.graphics.Color
  5 | import android.graphics.Paint
  6 | import android.graphics.PointF
  7 | import kotlin.math.abs
  8 | import kotlin.math.cos
  9 | import kotlin.math.sin
 10 | import kotlin.math.sqrt
 11 | import kotlin.random.Random
 12 | import java.util.Collections
 13 | import java.util.concurrent.CopyOnWriteArrayList
 14 | import android.util.Log
 15 | 
 16 | class Snake(
 17 |     startX: Float,
 18 |     startY: Float,
 19 |     private val screenWidth: Float,
 20 |     private val screenHeight: Float,
 21 |     private val segmentSize: Float = 80f
 22 | ) {
 23 |     private val segments = CopyOnWriteArrayList<PointF>()
 24 |     private var direction = Direction.RIGHT
 25 |     private var nextDirection = direction
 26 |     private val speed = segmentSize * 0.15f
 27 |     private var isMoving = false
 28 |     private val color = Color.rgb(
 29 |         Random.nextInt(128, 256),
 30 |         Random.nextInt(128, 256),
 31 |         Random.nextInt(128, 256)
 32 |     )
 33 |     
 34 |     private val bodyPaint = Paint().apply {
 35 |         color = this@Snake.color
 36 |         style = Paint.Style.FILL
 37 |         isAntiAlias = true
 38 |     }
 39 |     
 40 |     private val eyePaint = Paint().apply {
 41 |         color = Color.WHITE
 42 |         style = Paint.Style.FILL
 43 |         isAntiAlias = true
 44 |     }
 45 |     
 46 |     private val pupilPaint = Paint().apply {
 47 |         color = Color.BLACK
 48 |         style = Paint.Style.FILL
 49 |         isAntiAlias = true
 50 |     }
 51 | 
 52 |     private val namePaint = Paint().apply {
 53 |         color = Color.WHITE
 54 |         textSize = segmentSize * 0.6f
 55 |         textAlign = Paint.Align.CENTER
 56 |         isAntiAlias = true
 57 |     }
 58 | 
 59 |     private val playerName = "超级无敌小芒果"
 60 | 
 61 |     private var lastPosition = PointF(0f, 0f)
 62 |     private var hasMoved = false
 63 | 
 64 |     init {
 65 |         setStartPosition(startX, startY)
 66 |     }
 67 | 
 68 |     fun setStartPosition(x: Float, y: Float) {
 69 |         segments.clear()
 70 |         for (i in 0..4) {
 71 |             segments.add(PointF(x - i * segmentSize, y))
 72 |         }
 73 |     }
 74 | 
 75 |     fun setDirection(newDirection: Direction?) {
 76 |         if (newDirection == null) {
 77 |             isMoving = false
 78 |             return
 79 |         }
 80 |         
 81 |         isMoving = true
 82 |         when (newDirection) {
 83 |             Direction.UP -> if (direction != Direction.DOWN) nextDirection = newDirection
 84 |             Direction.DOWN -> if (direction != Direction.UP) nextDirection = newDirection
 85 |             Direction.LEFT -> if (direction != Direction.RIGHT) nextDirection = newDirection
 86 |             Direction.RIGHT -> if (direction != Direction.LEFT) nextDirection = newDirection
 87 |         }
 88 |     }
 89 | 
 90 |     fun move() {
 91 |         if (!isMoving) {
 92 |             hasMoved = false
 93 |             return
 94 |         }
 95 | 
 96 |         direction = nextDirection
 97 |         val head = segments.first()
 98 |         val newHead = PointF(head.x, head.y)
 99 |         lastPosition.set(head.x, head.y)
100 | 
101 |         // Calculate new position
102 |         when (direction) {
103 |             Direction.UP -> newHead.y -= speed
104 |             Direction.DOWN -> newHead.y += speed
105 |             Direction.LEFT -> newHead.x -= speed
106 |             Direction.RIGHT -> newHead.x += speed
107 |         }
108 | 
109 |         // Wrap around screen edges smoothly
110 |         when {
111 |             newHead.x < -segmentSize -> newHead.x = screenWidth + segmentSize
112 |             newHead.x > screenWidth + segmentSize -> newHead.x = -segmentSize
113 |             newHead.y < -segmentSize -> newHead.y = screenHeight + segmentSize
114 |             newHead.y > screenHeight + segmentSize -> newHead.y = -segmentSize
115 |         }
116 | 
117 |         // Only update position if moved significantly
118 |         val dx = abs(newHead.x - lastPosition.x)
119 |         val dy = abs(newHead.y - lastPosition.y)
120 |         hasMoved = (dx > 0.1f || dy > 0.1f)
121 | 
122 |         if (hasMoved) {
123 |             // Add new head
124 |             segments.add(0, newHead)
125 |             // Remove tail
126 |             if (segments.size > 1) {
127 |                 segments.removeAt(segments.size - 1)
128 |             }
129 |         }
130 |     }
131 | 
132 |     fun hasMovedSinceLastCheck(): Boolean {
133 |         val moved = hasMoved
134 |         hasMoved = false
135 |         return moved
136 |     }
137 | 
138 |     fun grow() {
139 |         val tail = segments.last()
140 |         repeat(2) {
141 |             segments.add(PointF(tail.x, tail.y))
142 |         }
143 |     }
144 | 
145 |     private fun drawEyes(canvas: Canvas, head: PointF) {
146 |         val eyeRadius = segmentSize / 6
147 |         val pupilRadius = eyeRadius / 2
148 |         val eyeDistance = segmentSize / 3
149 |         
150 |         // Calculate eye positions based on direction
151 |         val eyePositions = when (direction) {
152 |             Direction.RIGHT -> {
153 |                 val x = head.x + segmentSize / 4
154 |                 EyePositions(
155 |                     x, head.y - eyeDistance/2,  // left eye
156 |                     x, head.y + eyeDistance/2   // right eye
157 |                 )
158 |             }
159 |             Direction.LEFT -> {
160 |                 val x = head.x - segmentSize / 4
161 |                 EyePositions(
162 |                     x, head.y - eyeDistance/2,  // left eye
163 |                     x, head.y + eyeDistance/2   // right eye
164 |                 )
165 |             }
166 |             Direction.UP -> {
167 |                 val y = head.y - segmentSize / 4
168 |                 EyePositions(
169 |                     head.x - eyeDistance/2, y,  // left eye
170 |                     head.x + eyeDistance/2, y   // right eye
171 |                 )
172 |             }
173 |             Direction.DOWN -> {
174 |                 val y = head.y + segmentSize / 4
175 |                 EyePositions(
176 |                     head.x - eyeDistance/2, y,  // left eye
177 |                     head.x + eyeDistance/2, y   // right eye
178 |                 )
179 |             }
180 |         }
181 |         
182 |         // Draw eyes (white part)
183 |         canvas.drawCircle(eyePositions.leftEyeX, eyePositions.leftEyeY, eyeRadius, eyePaint)
184 |         canvas.drawCircle(eyePositions.rightEyeX, eyePositions.rightEyeY, eyeRadius, eyePaint)
185 |         
186 |         // Draw pupils (black part)
187 |         // Add slight offset to pupils based on direction to give more character
188 |         val pupilOffset = eyeRadius / 3
189 |         val pupilPositions = when (direction) {
190 |             Direction.RIGHT -> PupilPositions(
191 |                 eyePositions.leftEyeX + pupilOffset, eyePositions.leftEyeY,
192 |                 eyePositions.rightEyeX + pupilOffset, eyePositions.rightEyeY
193 |             )
194 |             Direction.LEFT -> PupilPositions(
195 |                 eyePositions.leftEyeX - pupilOffset, eyePositions.leftEyeY,
196 |                 eyePositions.rightEyeX - pupilOffset, eyePositions.rightEyeY
197 |             )
198 |             Direction.UP -> PupilPositions(
199 |                 eyePositions.leftEyeX, eyePositions.leftEyeY - pupilOffset,
200 |                 eyePositions.rightEyeX, eyePositions.rightEyeY - pupilOffset
201 |             )
202 |             Direction.DOWN -> PupilPositions(
203 |                 eyePositions.leftEyeX, eyePositions.leftEyeY + pupilOffset,
204 |                 eyePositions.rightEyeX, eyePositions.rightEyeY + pupilOffset
205 |             )
206 |         }
207 |         
208 |         canvas.drawCircle(pupilPositions.leftPupilX, pupilPositions.leftPupilY, pupilRadius, pupilPaint)
209 |         canvas.drawCircle(pupilPositions.rightPupilX, pupilPositions.rightPupilY, pupilRadius, pupilPaint)
210 |     }
211 | 
212 |     private data class EyePositions(
213 |         val leftEyeX: Float,
214 |         val leftEyeY: Float,
215 |         val rightEyeX: Float,
216 |         val rightEyeY: Float
217 |     )
218 | 
219 |     private data class PupilPositions(
220 |         val leftPupilX: Float,
221 |         val leftPupilY: Float,
222 |         val rightPupilX: Float,
223 |         val rightPupilY: Float
224 |     )
225 | 
226 |     fun draw(canvas: Canvas) {
227 |         // Create a snapshot of the segments to avoid concurrent modification
228 |         val currentSegments = segments.toList()
229 |         
230 |         // Draw body segments with gradient alpha
231 |         currentSegments.forEachIndexed { index, segment ->
232 |             val alpha = 255 - (index * 255 / currentSegments.size).coerceAtMost(200)
233 |             bodyPaint.alpha = alpha
234 |             canvas.drawCircle(segment.x, segment.y, segmentSize / 2, bodyPaint)
235 |         }
236 |         
237 |         // Draw eyes on the head
238 |         if (currentSegments.isNotEmpty()) {
239 |             val head = currentSegments.first()
240 |             drawEyes(canvas, head)
241 |             
242 |             // Draw player name above the head
243 |             canvas.drawText(playerName, head.x, head.y - segmentSize, namePaint)
244 |         }
245 |     }
246 | 
247 |     fun checkFoodCollision(food: Food): Boolean {
248 |         val head = segments.first()
249 |         val dx = head.x - food.x
250 |         val dy = head.y - food.y
251 |         val distance = sqrt(dx * dx + dy * dy)
252 |         
253 |         // Less strict collision detection
254 |         val collisionThreshold = (segmentSize + food.size) * 0.5f
255 |         val collision = distance < collisionThreshold
256 |         
257 |         if (collision) {
258 |             Log.d("SnakeGame", "检测到碰撞！距离: ${"%.2f".format(distance)}, 阈值: ${"%.2f".format(collisionThreshold)}")
259 |         }
260 |         
261 |         return collision
262 |     }
263 | 
264 |     fun getSegments(): List<PointF> = segments.toList() // Return a copy of the segments list
265 | } 


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/app/src/main/java/com/example/snake/GameView.kt:
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  1 | package com.example.snake
  2 | 
  3 | import android.content.Context
  4 | import android.graphics.Canvas
  5 | import android.graphics.Color
  6 | import android.graphics.Paint
  7 | import android.graphics.PointF
  8 | import android.util.AttributeSet
  9 | import android.util.Log
 10 | import android.view.MotionEvent
 11 | import android.view.SurfaceHolder
 12 | import android.view.SurfaceView
 13 | import android.view.WindowManager
 14 | import kotlin.random.Random
 15 | 
 16 | class GameView @JvmOverloads constructor(
 17 |     context: Context,
 18 |     attrs: AttributeSet? = null,
 19 |     defStyleAttr: Int = 0
 20 | ) : SurfaceView(context, attrs, defStyleAttr), SurfaceHolder.Callback {
 21 | 
 22 |     companion object {
 23 |         private const val TAG = "GameView"
 24 |         private const val FOOD_COUNT = 8
 25 |         private const val MIN_FOOD_DISTANCE = 150f
 26 |         private const val SEGMENT_SIZE = 80f
 27 |     }
 28 | 
 29 |     private var thread: GameThread? = null
 30 |     private lateinit var snake: Snake
 31 |     private val foodItems = mutableListOf<Food>()
 32 |     private lateinit var controlButton: ControlButton
 33 |     private var score = 0
 34 |     private val soundManager = SoundManager(context)
 35 |     private var isGamePaused = false
 36 |     private var gameStartTime = System.currentTimeMillis()
 37 |     private var lastDrawTime = 0L
 38 |     
 39 |     private val scorePaint = Paint().apply {
 40 |         color = Color.WHITE
 41 |         textSize = 50f
 42 |         textAlign = Paint.Align.RIGHT
 43 |     }
 44 | 
 45 |     private val timePaint = Paint().apply {
 46 |         color = Color.WHITE
 47 |         textSize = 50f
 48 |         textAlign = Paint.Align.CENTER
 49 |     }
 50 | 
 51 |     init {
 52 |         try {
 53 |             holder.addCallback(this)
 54 |             isFocusable = true
 55 |             isClickable = true
 56 |             isFocusableInTouchMode = true
 57 |             setBackgroundColor(Color.BLACK)
 58 |         } catch (e: Exception) {
 59 |             Log.e(TAG, "Error in init: ${e.message}")
 60 |             e.printStackTrace()
 61 |         }
 62 |     }
 63 | 
 64 |     fun pauseGame() {
 65 |         Log.d(TAG, "Pausing game")
 66 |         isGamePaused = true
 67 |         cleanupThread()
 68 |     }
 69 | 
 70 |     fun resumeGame() {
 71 |         Log.d(TAG, "Resuming game")
 72 |         isGamePaused = false
 73 |         if (holder.surface?.isValid == true) {
 74 |             startNewThread()
 75 |         }
 76 |     }
 77 | 
 78 |     private fun startNewThread() {
 79 |         Log.d(TAG, "Starting new game thread")
 80 |         cleanupThread()  // Ensure old thread is cleaned up
 81 |         thread = GameThread(holder, this).apply {
 82 |             setRunning(true)
 83 |             start()
 84 |         }
 85 |     }
 86 | 
 87 |     override fun surfaceCreated(holder: SurfaceHolder) {
 88 |         Log.d(TAG, "Surface created: width=$width, height=$height")
 89 |         
 90 |         try {
 91 |             // Initialize game objects if not already initialized
 92 |             if (!::snake.isInitialized) {
 93 |                 snake = Snake(width / 2f, height / 2f, width.toFloat(), height.toFloat(), SEGMENT_SIZE)
 94 |                 
 95 |                 // Initialize control button
 96 |                 val buttonRadius = height / 5f
 97 |                 val margin = buttonRadius * 0.2f
 98 |                 val buttonX = buttonRadius + margin
 99 |                 val buttonY = height - (buttonRadius + margin)
100 |                 controlButton = ControlButton(buttonX, buttonY, buttonRadius)
101 |                 controlButton.setSnake(snake)
102 |                 
103 |                 initializeFood()
104 |                 
105 |                 // Reset game start time when initializing new game
106 |                 gameStartTime = System.currentTimeMillis()
107 |             }
108 |             
109 |             resumeGame()
110 |         } catch (e: Exception) {
111 |             Log.e(TAG, "Error in surfaceCreated: ${e.message}", e)
112 |         }
113 |     }
114 | 
115 |     private fun initializeFood() {
116 |         foodItems.clear()
117 |         val snakeSegments = snake.getSegments()
118 |         
119 |         repeat(FOOD_COUNT) {
120 |             var food: Food
121 |             var validPosition: Boolean
122 |             var attempts = 0
123 |             
124 |             do {
125 |                 food = Food(width, height, SEGMENT_SIZE)  // Use same size as snake segments
126 |                 validPosition = true
127 |                 
128 |                 // Check distance from snake
129 |                 for (segment in snakeSegments) {
130 |                     if (distance(food.x, food.y, segment.x, segment.y) < MIN_FOOD_DISTANCE) {
131 |                         validPosition = false
132 |                         break
133 |                     }
134 |                 }
135 |                 
136 |                 // Check distance from other food items
137 |                 for (existingFood in foodItems) {
138 |                     if (distance(food.x, food.y, existingFood.x, existingFood.y) < MIN_FOOD_DISTANCE) {
139 |                         validPosition = false
140 |                         break
141 |                     }
142 |                 }
143 |                 
144 |                 attempts++
145 |                 if (attempts > 100) break  // Prevent infinite loop
146 |                 
147 |             } while (!validPosition)
148 |             
149 |             if (validPosition) {
150 |                 foodItems.add(food)
151 |             }
152 |         }
153 |     }
154 | 
155 |     private fun distance(x1: Float, y1: Float, x2: Float, y2: Float): Float {
156 |         val dx = x1 - x2
157 |         val dy = y1 - y2
158 |         return kotlin.math.sqrt(dx * dx + dy * dy)
159 |     }
160 | 
161 |     override fun surfaceChanged(holder: SurfaceHolder, format: Int, width: Int, height: Int) {
162 |         Log.d(TAG, "Surface changed: width=$width, height=$height")
163 |     }
164 | 
165 |     override fun surfaceDestroyed(holder: SurfaceHolder) {
166 |         Log.d(TAG, "Surface destroyed")
167 |         pauseGame()
168 |     }
169 | 
170 |     override fun onDetachedFromWindow() {
171 |         Log.d(TAG, "Detached from window")
172 |         super.onDetachedFromWindow()
173 |         cleanup()
174 |     }
175 | 
176 |     private fun cleanupThread() {
177 |         Log.d(TAG, "Cleaning up game thread")
178 |         thread?.let { currentThread ->
179 |             try {
180 |                 currentThread.setRunning(false)
181 |                 
182 |                 // Wait for the thread to die with timeout
183 |                 var retry = true
184 |                 var timeoutCount = 0
185 |                 while (retry && timeoutCount < 3) {
186 |                     try {
187 |                         currentThread.join(200)  // Increased timeout to 200ms
188 |                         retry = false
189 |                     } catch (e: InterruptedException) {
190 |                         timeoutCount++
191 |                         Log.w(TAG, "Thread join interrupted, attempt $timeoutCount")
192 |                     }
193 |                 }
194 |                 
195 |                 if (retry) {
196 |                     Log.w(TAG, "Thread cleanup timed out after $timeoutCount attempts")
197 |                     // Force interrupt if join failed
198 |                     currentThread.interrupt()
199 |                 } else {
200 |                     Log.d(TAG, "Thread cleanup completed successfully")
201 |                 }
202 |             } catch (e: Exception) {
203 |                 Log.e(TAG, "Error cleaning up thread: ${e.message}")
204 |                 e.printStackTrace()
205 |             } finally {
206 |                 thread = null
207 |             }
208 |         }
209 |     }
210 | 
211 |     fun cleanup() {
212 |         Log.d(TAG, "Cleaning up GameView resources")
213 |         try {
214 |             isGamePaused = true
215 |             cleanupThread()
216 |             soundManager.release()
217 |         } catch (e: Exception) {
218 |             Log.e(TAG, "Error during cleanup: ${e.message}")
219 |         }
220 |     }
221 | 
222 |     fun update() {
223 |         if (isGamePaused) {
224 |             return
225 |         }
226 | 
227 |         try {
228 |             synchronized(this) {
229 |                 // Store previous position to check if actually moved
230 |                 val prevHead = snake.getSegments().firstOrNull()?.let { PointF(it.x, it.y) }
231 |                 
232 |                 snake.move()
233 |                 
234 |                 // Only check collisions if snake actually moved
235 |                 val currentHead = snake.getSegments().firstOrNull()
236 |                 if (prevHead != null && currentHead != null) {
237 |                     val dx = prevHead.x - currentHead.x
238 |                     val dy = prevHead.y - currentHead.y
239 |                     val moved = (dx != 0f || dy != 0f)
240 |                     
241 |                     if (moved) {
242 |                         Log.d("SnakeGame", "蛇移动了！")
243 |                         checkCollisions()
244 |                     } else {
245 |                         Log.d("SnakeGame", "蛇没有移动")
246 |                     }
247 |                 }
248 |                 
249 |                 // Respawn food if there are too few
250 |                 while (foodItems.size < FOOD_COUNT) {
251 |                     val food = Food(width, height, SEGMENT_SIZE)
252 |                     if (isValidFoodPosition(food)) {
253 |                         foodItems.add(food)
254 |                     }
255 |                 }
256 |             }
257 |         } catch (e: Exception) {
258 |             Log.e(TAG, "Error in update: ${e.message}")
259 |             e.printStackTrace()
260 |             try {
261 |                 pauseGame()
262 |             } catch (e2: Exception) {
263 |                 Log.e(TAG, "Error while trying to pause game after error: ${e2.message}")
264 |                 e2.printStackTrace()
265 |             }
266 |         }
267 |     }
268 | 
269 |     private fun isValidFoodPosition(food: Food): Boolean {
270 |         // Check if food is too close to edges
271 |         if (food.x < MIN_FOOD_DISTANCE || food.x > width - MIN_FOOD_DISTANCE ||
272 |             food.y < MIN_FOOD_DISTANCE || food.y > height - MIN_FOOD_DISTANCE) {
273 |             return false
274 |         }
275 |         
276 |         // Check distance from snake
277 |         for (segment in snake.getSegments()) {
278 |             if (distance(food.x, food.y, segment.x, segment.y) < MIN_FOOD_DISTANCE) {
279 |                 return false
280 |             }
281 |         }
282 |         
283 |         // Check distance from other food items
284 |         for (existingFood in foodItems) {
285 |             if (distance(food.x, food.y, existingFood.x, existingFood.y) < MIN_FOOD_DISTANCE) {
286 |                 return false
287 |             }
288 |         }
289 |         
290 |         return true
291 |     }
292 | 
293 |     override fun draw(canvas: Canvas) {
294 |         if (canvas == null) {
295 |             Log.e(TAG, "Canvas is null in draw")
296 |             return
297 |         }
298 | 
299 |         try {
300 |             super.draw(canvas)
301 |             
302 |             // Draw game objects
303 |             synchronized(this) {
304 |                 snake.draw(canvas)
305 |                 foodItems.forEach { it.draw(canvas) }
306 |                 controlButton.draw(canvas)
307 |                 
308 |                 // Draw score in top-right corner
309 |                 canvas.drawText("当前积分: $score", width - 20f, 60f, scorePaint)
310 | 
311 |                 // Draw game time in top-center
312 |                 val gameTimeSeconds = ((System.currentTimeMillis() - gameStartTime) / 1000).toInt()
313 |                 val minutes = gameTimeSeconds / 60
314 |                 val seconds = gameTimeSeconds % 60
315 |                 val timeText = String.format("游戏时间: %02d:%02d", minutes, seconds)
316 |                 canvas.drawText(timeText, width / 2f, 60f, timePaint)
317 |             }
318 |         } catch (e: Exception) {
319 |             Log.e(TAG, "Error in draw: ${e.message}")
320 |             e.printStackTrace()
321 |         }
322 |     }
323 | 
324 |     private fun checkCollisions() {
325 |         // Check food collisions
326 |         val iterator = foodItems.iterator()
327 |         while (iterator.hasNext()) {
328 |             val food = iterator.next()
329 |             if (snake.checkFoodCollision(food)) {
330 |                 val points = when (food.character) {
331 |                     in 'A'..'Z' -> 30
332 |                     in 'a'..'z' -> 20
333 |                     in '0'..'9' -> 10
334 |                     else -> 0
335 |                 }
336 |                 score += points
337 |                 Log.d("SnakeGame", "吃到食物了！字符: ${food.character}, 得分: $points")
338 |                 
339 |                 snake.grow()
340 |                 soundManager.playSound(food.character)
341 |                 iterator.remove()
342 |                 break
343 |             }
344 |         }
345 |     }
346 | 
347 |     override fun onTouchEvent(event: MotionEvent): Boolean {
348 |         if (isGamePaused) {
349 |             return false
350 |         }
351 | 
352 |         try {
353 |             synchronized(this) {
354 |                 when (event.action) {
355 |                     MotionEvent.ACTION_DOWN, MotionEvent.ACTION_MOVE -> {
356 |                         controlButton.updateDirection(event.x, event.y)
357 |                         postInvalidate()  // Use postInvalidate for thread safety
358 |                         return true
359 |                     }
360 |                     MotionEvent.ACTION_UP -> {
361 |                         controlButton.resetDirection()
362 |                         postInvalidate()
363 |                         return true
364 |                     }
365 |                     else -> return super.onTouchEvent(event)
366 |                 }
367 |             }
368 |         } catch (e: Exception) {
369 |             Log.e(TAG, "Error handling touch event: ${e.message}")
370 |             e.printStackTrace()
371 |         }
372 |         return super.onTouchEvent(event)
373 |     }
374 | } 


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