├── app
├── .gitignore
├── src
│ ├── main
│ │ ├── res
│ │ │ ├── mipmap-hdpi
│ │ │ │ ├── ic_launcher.png
│ │ │ │ └── ic_launcher_round.png
│ │ │ ├── mipmap-mdpi
│ │ │ │ ├── ic_launcher.png
│ │ │ │ └── ic_launcher_round.png
│ │ │ ├── mipmap-xhdpi
│ │ │ │ ├── ic_launcher.png
│ │ │ │ └── ic_launcher_round.png
│ │ │ ├── mipmap-xxhdpi
│ │ │ │ ├── ic_launcher.png
│ │ │ │ └── ic_launcher_round.png
│ │ │ ├── mipmap-xxxhdpi
│ │ │ │ ├── ic_launcher.png
│ │ │ │ └── ic_launcher_round.png
│ │ │ ├── values
│ │ │ │ ├── strings.xml
│ │ │ │ ├── colors.xml
│ │ │ │ └── styles.xml
│ │ │ ├── mipmap-anydpi-v26
│ │ │ │ ├── ic_launcher.xml
│ │ │ │ └── ic_launcher_round.xml
│ │ │ ├── drawable
│ │ │ │ ├── background_drawable.xml
│ │ │ │ └── ic_launcher_background.xml
│ │ │ ├── layout
│ │ │ │ ├── layout_camera.xml
│ │ │ │ └── activity_main.xml
│ │ │ └── drawable-v24
│ │ │ │ └── ic_launcher_foreground.xml
│ │ ├── AndroidManifest.xml
│ │ └── java
│ │ │ └── com
│ │ │ └── app
│ │ │ └── camerarectsample
│ │ │ ├── QrCodeAnalyzer.kt
│ │ │ └── MainActivity.kt
│ ├── test
│ │ └── java
│ │ │ └── com
│ │ │ └── app
│ │ │ └── camerarectsample
│ │ │ └── ExampleUnitTest.kt
│ └── androidTest
│ │ └── java
│ │ └── com
│ │ └── app
│ │ └── camerarectsample
│ │ └── ExampleInstrumentedTest.kt
├── proguard-rules.pro
└── build.gradle
├── settings.gradle
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── .idea
├── codeStyles
│ ├── codeStyleConfig.xml
│ └── Project.xml
├── runConfigurations.xml
├── gradle.xml
└── misc.xml
├── .gitignore
├── README.md
├── gradle.properties
├── gradlew.bat
└── gradlew
/app/.gitignore:
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1 | /build
2 |
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/settings.gradle:
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1 | rootProject.name='CameraRectSample'
2 | include ':app'
3 |
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/gradle/wrapper/gradle-wrapper.jar:
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https://raw.githubusercontent.com/AyusmaTech/CameraRectCropSample/HEAD/gradle/wrapper/gradle-wrapper.jar
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/app/src/main/res/mipmap-hdpi/ic_launcher.png:
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https://raw.githubusercontent.com/AyusmaTech/CameraRectCropSample/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.png
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/app/src/main/res/mipmap-mdpi/ic_launcher.png:
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https://raw.githubusercontent.com/AyusmaTech/CameraRectCropSample/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.png
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/app/src/main/res/mipmap-xhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/AyusmaTech/CameraRectCropSample/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher.png
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/app/src/main/res/mipmap-xxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/AyusmaTech/CameraRectCropSample/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
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/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/AyusmaTech/CameraRectCropSample/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
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/app/src/main/res/mipmap-hdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/AyusmaTech/CameraRectCropSample/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
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/app/src/main/res/mipmap-mdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/AyusmaTech/CameraRectCropSample/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
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/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/AyusmaTech/CameraRectCropSample/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
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/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/AyusmaTech/CameraRectCropSample/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
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/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/AyusmaTech/CameraRectCropSample/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
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/app/src/main/res/values/strings.xml:
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1 |
2 | CameraRectSample
3 | Take Photo
4 |
5 |
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/.idea/codeStyles/codeStyleConfig.xml:
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/app/src/main/res/values/colors.xml:
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1 |
2 |
3 | #6200EE
4 | #3700B3
5 | #03DAC5
6 |
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 |
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/gradle/wrapper/gradle-wrapper.properties:
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1 | #Fri Jan 01 02:07:05 WAT 2021
2 | distributionBase=GRADLE_USER_HOME
3 | distributionPath=wrapper/dists
4 | zipStoreBase=GRADLE_USER_HOME
5 | zipStorePath=wrapper/dists
6 | distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.4-all.zip
7 |
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/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml:
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/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml:
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/app/src/main/res/drawable/background_drawable.xml:
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/app/src/main/res/values/styles.xml:
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/app/src/test/java/com/app/camerarectsample/ExampleUnitTest.kt:
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1 | package com.app.camerarectsample
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 | }
18 |
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/README.md:
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1 | # CameraRectCropSample
2 |
3 | A sample application showing how to use the CameraX CropRect Configuration to capture a cropped rectangular area of the camera preview
4 |
5 | https://stackoverflow.com/a/65162873/10619147
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
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/.idea/runConfigurations.xml:
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/.idea/gradle.xml:
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17 |
18 |
19 |
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/app/src/androidTest/java/com/app/camerarectsample/ExampleInstrumentedTest.kt:
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1 | package com.app.camerarectsample
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.app.camerarectsample", appContext.packageName)
23 | }
24 | }
25 |
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/app/proguard-rules.pro:
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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
22 |
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/.idea/misc.xml:
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 | 1.8
14 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
23 |
24 |
25 |
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/app/src/main/AndroidManifest.xml:
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/app/src/main/res/layout/layout_camera.xml:
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25 |
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/gradle.properties:
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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=-Xmx1536m
10 | # When configured, Gradle will run in incubating parallel mode.
11 | # This option should only be used with decoupled projects. More details, visit
12 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec: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 | # Automatically convert third-party libraries to use AndroidX
19 | android.enableJetifier=true
20 | # Kotlin code style for this project: "official" or "obsolete":
21 | kotlin.code.style=official
22 |
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/app/src/main/res/drawable-v24/ic_launcher_foreground.xml:
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1 |
7 |
8 |
9 |
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18 |
21 |
22 |
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24 |
30 |
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/app/src/main/java/com/app/camerarectsample/QrCodeAnalyzer.kt:
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1 | package com.app.camerarectsample
2 |
3 |
4 | import android.graphics.ImageFormat.*
5 | import android.os.Build
6 | import android.util.Log
7 | import androidx.camera.core.ImageAnalysis
8 | import androidx.camera.core.ImageProxy
9 | import com.google.zxing.*
10 | import com.google.zxing.common.HybridBinarizer
11 | import java.nio.ByteBuffer
12 |
13 | private fun ByteBuffer.toByteArray(): ByteArray {
14 | rewind()
15 | val data = ByteArray(remaining())
16 | get(data)
17 | return data
18 | }
19 |
20 | class QrCodeAnalyzer(
21 | private val onQrCodesDetected: (qrCode: Result) -> Unit
22 | ) : ImageAnalysis.Analyzer {
23 |
24 |
25 | private val yuvFormats = mutableListOf(YUV_420_888)
26 |
27 | init {
28 | if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
29 | yuvFormats.addAll(listOf(YUV_422_888, YUV_444_888))
30 | }
31 | }
32 |
33 | private val reader = MultiFormatReader().apply {
34 | val map = mapOf(
35 | DecodeHintType.POSSIBLE_FORMATS to arrayListOf(BarcodeFormat.QR_CODE)
36 | )
37 | setHints(map)
38 | }
39 |
40 | override fun analyze(image: ImageProxy) {
41 | // We are using YUV format because, ImageProxy internally uses ImageReader to get the image
42 | // by default ImageReader uses YUV format unless changed.
43 | if (image.format !in yuvFormats) {
44 | Log.e("QRCodeAnalyzer", "Expected YUV, now = ${image.format}")
45 | return
46 | }
47 |
48 | val data = image.planes[0].buffer.toByteArray()
49 |
50 | val source = PlanarYUVLuminanceSource(
51 | data,
52 | image.width,
53 | image.height,
54 | 0,
55 | 0,
56 | image.width,
57 | image.height,
58 | false
59 | )
60 |
61 | val binaryBitmap = BinaryBitmap(HybridBinarizer(source))
62 | try {
63 | // Whenever reader fails to detect a QR code in image
64 | // it throws NotFoundException
65 | val result = reader.decode(binaryBitmap)
66 | onQrCodesDetected(result)
67 | } catch (e: NotFoundException) {
68 | e.printStackTrace()
69 | }
70 | image.close()
71 | }
72 | }
73 |
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/app/build.gradle:
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1 | apply plugin: 'com.android.application'
2 | apply plugin: 'kotlin-android'
3 | apply plugin: 'kotlin-android-extensions'
4 |
5 | android {
6 | compileSdkVersion 30
7 | buildToolsVersion "30.0.2"
8 |
9 | defaultConfig {
10 | applicationId "com.app.camerarectsample"
11 | minSdkVersion 21
12 | targetSdkVersion 30
13 | versionCode 1
14 | versionName "1.0"
15 |
16 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
17 | }
18 |
19 | buildTypes {
20 | release {
21 | minifyEnabled false
22 | proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
23 | }
24 | }
25 |
26 | compileOptions {
27 | sourceCompatibility JavaVersion.VERSION_1_8
28 | targetCompatibility JavaVersion.VERSION_1_8
29 | }
30 | kotlinOptions {
31 | jvmTarget = '1.8'
32 | }
33 |
34 |
35 | viewBinding {
36 | enabled = true
37 | }
38 |
39 | }
40 |
41 | dependencies {
42 | implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
43 | implementation 'androidx.core:core-ktx:1.3.2'
44 | implementation 'androidx.appcompat:appcompat:1.2.0'
45 | implementation 'com.google.android.material:material:1.2.1'
46 | implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
47 |
48 | // Android architecture components
49 | implementation 'androidx.lifecycle:lifecycle-runtime:2.2.0'
50 | implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
51 | implementation 'androidx.legacy:legacy-support-v4:1.0.0'
52 | annotationProcessor 'androidx.lifecycle:lifecycle-compiler:2.2.0'
53 |
54 | def camerax_version = "1.0.0-beta07"
55 | // CameraX core library using camera2 implementation
56 | implementation "androidx.camera:camera-camera2:$camerax_version"
57 | // CameraX Lifecycle Library
58 | implementation "androidx.camera:camera-lifecycle:$camerax_version"
59 | // CameraX View class
60 | implementation "androidx.camera:camera-view:1.0.0-alpha14"
61 |
62 |
63 | implementation 'com.github.bumptech.glide:glide:4.11.0'
64 | implementation 'com.google.zxing:core:3.3.0'
65 |
66 |
67 | testImplementation 'junit:junit:4.+'
68 | androidTestImplementation 'androidx.test.ext:junit:1.1.2'
69 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
70 | }
71 |
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/gradlew.bat:
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1 | @if "%DEBUG%" == "" @echo off
2 | @rem ##########################################################################
3 | @rem
4 | @rem Gradle startup script for Windows
5 | @rem
6 | @rem ##########################################################################
7 |
8 | @rem Set local scope for the variables with windows NT shell
9 | if "%OS%"=="Windows_NT" setlocal
10 |
11 | set DIRNAME=%~dp0
12 | if "%DIRNAME%" == "" set DIRNAME=.
13 | set APP_BASE_NAME=%~n0
14 | set APP_HOME=%DIRNAME%
15 |
16 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
17 | set DEFAULT_JVM_OPTS=
18 |
19 | @rem Find java.exe
20 | if defined JAVA_HOME goto findJavaFromJavaHome
21 |
22 | set JAVA_EXE=java.exe
23 | %JAVA_EXE% -version >NUL 2>&1
24 | if "%ERRORLEVEL%" == "0" goto init
25 |
26 | echo.
27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
28 | echo.
29 | echo Please set the JAVA_HOME variable in your environment to match the
30 | echo location of your Java installation.
31 |
32 | goto fail
33 |
34 | :findJavaFromJavaHome
35 | set JAVA_HOME=%JAVA_HOME:"=%
36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe
37 |
38 | if exist "%JAVA_EXE%" goto init
39 |
40 | echo.
41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
42 | echo.
43 | echo Please set the JAVA_HOME variable in your environment to match the
44 | echo location of your Java installation.
45 |
46 | goto fail
47 |
48 | :init
49 | @rem Get command-line arguments, handling Windows variants
50 |
51 | if not "%OS%" == "Windows_NT" goto win9xME_args
52 |
53 | :win9xME_args
54 | @rem Slurp the command line arguments.
55 | set CMD_LINE_ARGS=
56 | set _SKIP=2
57 |
58 | :win9xME_args_slurp
59 | if "x%~1" == "x" goto execute
60 |
61 | set CMD_LINE_ARGS=%*
62 |
63 | :execute
64 | @rem Setup the command line
65 |
66 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
67 |
68 | @rem Execute Gradle
69 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
70 |
71 | :end
72 | @rem End local scope for the variables with windows NT shell
73 | if "%ERRORLEVEL%"=="0" goto mainEnd
74 |
75 | :fail
76 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
77 | rem the _cmd.exe /c_ return code!
78 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
79 | exit /b 1
80 |
81 | :mainEnd
82 | if "%OS%"=="Windows_NT" endlocal
83 |
84 | :omega
85 |
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/app/src/main/res/layout/activity_main.xml:
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83 |
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/.idea/codeStyles/Project.xml:
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32 | xmlns:android
33 |
34 | ^$
35 |
36 |
37 |
38 |
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40 |
41 |
42 |
43 | xmlns:.*
44 |
45 | ^$
46 |
47 |
48 | BY_NAME
49 |
50 |
51 |
52 |
53 |
54 |
55 | .*:id
56 |
57 | http://schemas.android.com/apk/res/android
58 |
59 |
60 |
61 |
62 |
63 |
64 |
65 |
66 | .*:name
67 |
68 | http://schemas.android.com/apk/res/android
69 |
70 |
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72 |
73 |
74 |
75 |
76 |
77 | name
78 |
79 | ^$
80 |
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84 |
85 |
86 |
87 |
88 | style
89 |
90 | ^$
91 |
92 |
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94 |
95 |
96 |
97 |
98 |
99 | .*
100 |
101 | ^$
102 |
103 |
104 | BY_NAME
105 |
106 |
107 |
108 |
109 |
110 |
111 | .*
112 |
113 | http://schemas.android.com/apk/res/android
114 |
115 |
116 | ANDROID_ATTRIBUTE_ORDER
117 |
118 |
119 |
120 |
121 |
122 |
123 | .*
124 |
125 | .*
126 |
127 |
128 | BY_NAME
129 |
130 |
131 |
132 |
133 |
134 |
135 |
136 |
137 |
138 |
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/gradlew:
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1 | #!/usr/bin/env sh
2 |
3 | ##############################################################################
4 | ##
5 | ## Gradle start up script for UN*X
6 | ##
7 | ##############################################################################
8 |
9 | # Attempt to set APP_HOME
10 | # Resolve links: $0 may be a link
11 | PRG="$0"
12 | # Need this for relative symlinks.
13 | while [ -h "$PRG" ] ; do
14 | ls=`ls -ld "$PRG"`
15 | link=`expr "$ls" : '.*-> \(.*\)$'`
16 | if expr "$link" : '/.*' > /dev/null; then
17 | PRG="$link"
18 | else
19 | PRG=`dirname "$PRG"`"/$link"
20 | fi
21 | done
22 | SAVED="`pwd`"
23 | cd "`dirname \"$PRG\"`/" >/dev/null
24 | APP_HOME="`pwd -P`"
25 | cd "$SAVED" >/dev/null
26 |
27 | APP_NAME="Gradle"
28 | APP_BASE_NAME=`basename "$0"`
29 |
30 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
31 | DEFAULT_JVM_OPTS=""
32 |
33 | # Use the maximum available, or set MAX_FD != -1 to use that value.
34 | MAX_FD="maximum"
35 |
36 | warn () {
37 | echo "$*"
38 | }
39 |
40 | die () {
41 | echo
42 | echo "$*"
43 | echo
44 | exit 1
45 | }
46 |
47 | # OS specific support (must be 'true' or 'false').
48 | cygwin=false
49 | msys=false
50 | darwin=false
51 | nonstop=false
52 | case "`uname`" in
53 | CYGWIN* )
54 | cygwin=true
55 | ;;
56 | Darwin* )
57 | darwin=true
58 | ;;
59 | MINGW* )
60 | msys=true
61 | ;;
62 | NONSTOP* )
63 | nonstop=true
64 | ;;
65 | esac
66 |
67 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
68 |
69 | # Determine the Java command to use to start the JVM.
70 | if [ -n "$JAVA_HOME" ] ; then
71 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
72 | # IBM's JDK on AIX uses strange locations for the executables
73 | JAVACMD="$JAVA_HOME/jre/sh/java"
74 | else
75 | JAVACMD="$JAVA_HOME/bin/java"
76 | fi
77 | if [ ! -x "$JAVACMD" ] ; then
78 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
79 |
80 | Please set the JAVA_HOME variable in your environment to match the
81 | location of your Java installation."
82 | fi
83 | else
84 | JAVACMD="java"
85 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
86 |
87 | Please set the JAVA_HOME variable in your environment to match the
88 | location of your Java installation."
89 | fi
90 |
91 | # Increase the maximum file descriptors if we can.
92 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
93 | MAX_FD_LIMIT=`ulimit -H -n`
94 | if [ $? -eq 0 ] ; then
95 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
96 | MAX_FD="$MAX_FD_LIMIT"
97 | fi
98 | ulimit -n $MAX_FD
99 | if [ $? -ne 0 ] ; then
100 | warn "Could not set maximum file descriptor limit: $MAX_FD"
101 | fi
102 | else
103 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
104 | fi
105 | fi
106 |
107 | # For Darwin, add options to specify how the application appears in the dock
108 | if $darwin; then
109 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
110 | fi
111 |
112 | # For Cygwin, switch paths to Windows format before running java
113 | if $cygwin ; then
114 | APP_HOME=`cygpath --path --mixed "$APP_HOME"`
115 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
116 | JAVACMD=`cygpath --unix "$JAVACMD"`
117 |
118 | # We build the pattern for arguments to be converted via cygpath
119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
120 | SEP=""
121 | for dir in $ROOTDIRSRAW ; do
122 | ROOTDIRS="$ROOTDIRS$SEP$dir"
123 | SEP="|"
124 | done
125 | OURCYGPATTERN="(^($ROOTDIRS))"
126 | # Add a user-defined pattern to the cygpath arguments
127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then
128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
129 | fi
130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh
131 | i=0
132 | for arg in "$@" ; do
133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
135 |
136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
138 | else
139 | eval `echo args$i`="\"$arg\""
140 | fi
141 | i=$((i+1))
142 | done
143 | case $i in
144 | (0) set -- ;;
145 | (1) set -- "$args0" ;;
146 | (2) set -- "$args0" "$args1" ;;
147 | (3) set -- "$args0" "$args1" "$args2" ;;
148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
154 | esac
155 | fi
156 |
157 | # Escape application args
158 | save () {
159 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
160 | echo " "
161 | }
162 | APP_ARGS=$(save "$@")
163 |
164 | # Collect all arguments for the java command, following the shell quoting and substitution rules
165 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
166 |
167 | # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
168 | if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
169 | cd "$(dirname "$0")"
170 | fi
171 |
172 | exec "$JAVACMD" "$@"
173 |
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/app/src/main/res/drawable/ic_launcher_background.xml:
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/app/src/main/java/com/app/camerarectsample/MainActivity.kt:
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1 | package com.app.camerarectsample
2 |
3 | import android.Manifest
4 | import android.annotation.SuppressLint
5 | import android.content.pm.PackageManager
6 | import android.net.Uri
7 | import android.os.Bundle
8 | import android.util.Log
9 | import android.util.Rational
10 | import android.view.Surface
11 | import android.view.View
12 | import android.widget.Toast
13 | import androidx.appcompat.app.AppCompatActivity
14 | import androidx.camera.core.*
15 | import androidx.camera.lifecycle.ProcessCameraProvider
16 | import androidx.core.app.ActivityCompat
17 | import androidx.core.content.ContextCompat
18 | import com.app.camerarectsample.databinding.ActivityMainBinding
19 | import com.app.camerarectsample.databinding.LayoutCameraBinding
20 | import com.bumptech.glide.Glide
21 | import java.io.File
22 | import java.text.SimpleDateFormat
23 | import java.util.*
24 | import java.util.concurrent.ExecutorService
25 | import java.util.concurrent.Executors
26 |
27 | class MainActivity : AppCompatActivity() {
28 | private lateinit var binding: ActivityMainBinding
29 | private var imageFile: File? = null
30 | private lateinit var outputDirectory: File
31 | private lateinit var cameraExecutor: ExecutorService
32 | private var imageCapture: ImageCapture? = null
33 | private lateinit var cameraBinding: LayoutCameraBinding
34 |
35 |
36 | override fun onCreate(savedInstanceState: Bundle?) {
37 | super.onCreate(savedInstanceState)
38 | binding = ActivityMainBinding.inflate(layoutInflater)
39 | setContentView(binding.root)
40 |
41 | cameraBinding = binding.cameraView
42 |
43 | binding.btnOk.setOnClickListener {
44 | binding.cameraView.root.visibility = View.VISIBLE
45 | binding.image.visibility = View.GONE
46 | binding.borderView.visibility = View.VISIBLE
47 | }
48 | binding.btnCancel.setOnClickListener { finish() }
49 |
50 |
51 | // Request camera permissions
52 | if (allPermissionsGranted()) {
53 | startCamera()
54 | } else {
55 | ActivityCompat.requestPermissions(
56 | this,
57 | REQUIRED_PERMISSIONS,
58 | REQUEST_CODE_PERMISSIONS
59 | )
60 | }
61 | cameraBinding = binding.cameraView
62 | cameraBinding.cameraCaptureButton.setOnClickListener { takePhoto() }
63 |
64 | outputDirectory = getOutputDirectory()
65 |
66 | cameraExecutor = Executors.newSingleThreadExecutor()
67 |
68 |
69 | }
70 |
71 | private fun takePhoto() {
72 | // Get a stable reference of the modifiable image capture use case
73 | val imageCapture = imageCapture ?: return
74 |
75 | // Create time-stamped output file to hold the image
76 | val photoFile = File(
77 | outputDirectory,
78 | SimpleDateFormat(
79 | FILENAME_FORMAT, Locale.US
80 | ).format(System.currentTimeMillis()) + ".jpg"
81 | )
82 |
83 | // Create output options object which contains file + metadata
84 | val outputOptions = ImageCapture.OutputFileOptions.Builder(photoFile).build()
85 |
86 | // Set up image capture listener, which is triggered after photo has
87 | // been taken
88 | imageCapture.takePicture(
89 | outputOptions,
90 | ContextCompat.getMainExecutor(this),
91 | object : ImageCapture.OnImageSavedCallback {
92 | override fun onError(exc: ImageCaptureException) {
93 | Log.e(TAG, "Photo capture failed: ${exc.message}", exc)
94 | }
95 |
96 | override fun onImageSaved(output: ImageCapture.OutputFileResults) {
97 | val savedUri = Uri.fromFile(photoFile)
98 | onImageCaptured(savedUri)
99 | val msg = "Photo capture succeeded: $savedUri"
100 | Toast.makeText(this@MainActivity, msg, Toast.LENGTH_SHORT).show()
101 | Log.d(TAG, msg)
102 |
103 | }
104 | })
105 | }
106 |
107 |
108 | private fun allPermissionsGranted() = REQUIRED_PERMISSIONS.all {
109 | ContextCompat.checkSelfPermission(
110 | this, it
111 | ) == PackageManager.PERMISSION_GRANTED
112 | }
113 |
114 | private fun getOutputDirectory(): File {
115 | val mediaDir = externalMediaDirs.firstOrNull().let {
116 | File(
117 | it,
118 | resources.getString(R.string.app_name)
119 | ).apply { mkdirs() }
120 | }
121 | return if (mediaDir != null && mediaDir.exists())
122 | mediaDir else filesDir
123 | }
124 |
125 | @SuppressLint("UnsafeExperimentalUsageError")
126 | private fun startCamera() {
127 | val cameraProviderFuture = ProcessCameraProvider.getInstance(this)
128 |
129 | cameraProviderFuture.addListener(Runnable {
130 | // Used to bind the lifecycle of cameras to the lifecycle owner
131 | val cameraProvider: ProcessCameraProvider = cameraProviderFuture.get()
132 |
133 | // Preview
134 | val preview = Preview.Builder()
135 | .build()
136 | .also {
137 | it.setSurfaceProvider(cameraBinding.viewFinder.createSurfaceProvider())
138 | }
139 |
140 | imageCapture = ImageCapture.Builder()
141 | .build()
142 |
143 | val imageAnalyzer = ImageAnalysis.Builder()
144 | .build()
145 | .also {
146 | it.setAnalyzer(cameraExecutor,
147 | QrCodeAnalyzer { qrResult ->
148 | cameraBinding.viewFinder.post {
149 | Log.d("QRCodeAnalyzer", "Barcode scanned: ${qrResult.text}")
150 | Toast.makeText(
151 | this,
152 | "Tag Added: ${qrResult.text}",
153 | Toast.LENGTH_SHORT
154 | ).show()
155 |
156 | onQrDetected(qrResult.text)
157 |
158 | }
159 | Thread.sleep(5000)
160 | })
161 | }
162 |
163 | // Select back camera as a default
164 | val cameraSelector = CameraSelector.DEFAULT_BACK_CAMERA
165 |
166 | val viewPort = ViewPort.Builder(Rational(350, 100), Surface.ROTATION_0).build()
167 | val useCaseGroup = UseCaseGroup.Builder()
168 | .addUseCase(preview)
169 | .addUseCase(imageAnalyzer)
170 | .addUseCase(imageCapture!!)
171 | .setViewPort(viewPort)
172 | .build()
173 |
174 | try {
175 | // Unbind use cases before rebinding
176 | cameraProvider.unbindAll()
177 |
178 | // Bind use cases to camera
179 | cameraProvider.bindToLifecycle(
180 | this, cameraSelector, useCaseGroup
181 | )
182 | cameraProvider.bindToLifecycle(
183 | this, cameraSelector, preview, imageCapture, imageAnalyzer
184 | )
185 |
186 | } catch (exc: Exception) {
187 | Log.e(TAG, "Use case binding failed", exc)
188 | }
189 |
190 | }, ContextCompat.getMainExecutor(this))
191 | }
192 |
193 | override fun onRequestPermissionsResult(
194 | requestCode: Int,
195 | permissions: Array,
196 | grantResults: IntArray
197 | ) {
198 | super.onRequestPermissionsResult(requestCode, permissions, grantResults)
199 | if (requestCode == REQUEST_CODE_PERMISSIONS) {
200 | if (allPermissionsGranted()) {
201 | startCamera()
202 | } else {
203 | Toast.makeText(
204 | this,
205 | "Permissions not granted by the user.",
206 | Toast.LENGTH_SHORT
207 | ).show()
208 | // finish()
209 | }
210 | return
211 | }
212 | }
213 |
214 |
215 | companion object {
216 | private const val TAG = "AddTaskDialog"
217 | private const val FILENAME_FORMAT = "yyyy-MM-dd-HH-mm-ss-SSS"
218 | private const val REQUEST_CODE_PERMISSIONS = 10
219 | private val REQUIRED_PERMISSIONS = arrayOf(Manifest.permission.CAMERA)
220 |
221 | }
222 |
223 | private fun onQrDetected(text: String) {
224 | Toast.makeText(this, text, Toast.LENGTH_SHORT).show()
225 | }
226 |
227 | private fun onImageCaptured(uri: Uri) {
228 | val file = File(uri.path!!)
229 | imageFile = file
230 |
231 | Glide.with(binding.image).load(file).into(binding.image)
232 | showImage()
233 |
234 |
235 | }
236 |
237 |
238 | private fun showImage() {
239 | binding.borderView.visibility = View.GONE
240 | binding.cameraView.root.visibility = View.GONE
241 | binding.image.visibility = View.VISIBLE
242 | }
243 |
244 |
245 | override fun onDestroy() {
246 | super.onDestroy()
247 | cameraExecutor.shutdown()
248 | }
249 |
250 |
251 | }
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