├── app ├── .gitignore ├── src │ ├── main │ │ ├── res │ │ │ ├── mipmap-hdpi │ │ │ │ ├── ic_launcher.png │ │ │ │ ├── ic_launcher_round.png │ │ │ │ └── ic_launcher_foreground.png │ │ │ ├── mipmap-mdpi │ │ │ │ ├── ic_launcher.png │ │ │ │ ├── ic_launcher_round.png │ │ │ │ └── ic_launcher_foreground.png │ │ │ ├── mipmap-xhdpi │ │ │ │ ├── ic_launcher.png │ │ │ │ ├── ic_launcher_round.png │ │ │ │ └── ic_launcher_foreground.png │ │ │ ├── mipmap-xxhdpi │ │ │ │ ├── ic_launcher.png │ │ │ │ ├── ic_launcher_round.png │ │ │ │ └── ic_launcher_foreground.png │ │ │ ├── mipmap-xxxhdpi │ │ │ │ ├── ic_launcher.png │ │ │ │ ├── ic_launcher_round.png │ │ │ │ └── ic_launcher_foreground.png │ │ │ ├── values │ │ │ │ ├── dimens.xml │ │ │ │ ├── colors.xml │ │ │ │ ├── styles.xml │ │ │ │ └── strings.xml │ │ │ ├── mipmap-anydpi-v26 │ │ │ │ ├── ic_launcher.xml │ │ │ │ └── ic_launcher_round.xml │ │ │ ├── drawable │ │ │ │ ├── ic_delete_black_24dp.xml │ │ │ │ ├── ic_history_black_24dp.xml │ │ │ │ └── ic_launcher_background.xml │ │ │ ├── menu │ │ │ │ └── main_menu.xml │ │ │ └── layout │ │ │ │ ├── fragment_history_action_list_dialog_item.xml │ │ │ │ ├── fragment_history_action_list_dialog.xml │ │ │ │ └── activity_main.xml │ │ ├── AndroidManifest.xml │ │ └── java │ │ │ └── com │ │ │ └── baruckis │ │ │ └── calculator │ │ │ ├── HistoryActionListDialogFragment.kt │ │ │ └── MainActivity.kt │ ├── test │ │ └── java │ │ │ └── com │ │ │ └── baruckis │ │ │ └── calculator │ │ │ └── ExampleUnitTest.kt │ └── androidTest │ │ └── java │ │ └── com │ │ └── baruckis │ │ └── calculator │ │ └── ExampleInstrumentedTest.kt ├── proguard-rules.pro └── build.gradle ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── calculator_kotlin_screen_recording.gif ├── .gitignore ├── .idea ├── vcs.xml ├── modules.xml ├── runConfigurations.xml ├── gradle.xml ├── copyright │ └── Apache_V2.xml └── misc.xml ├── settings.gradle ├── README.md ├── gradle.properties ├── gradlew.bat ├── gradlew └── LICENSE /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/baruckis/Android-Calculator/HEAD/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /calculator_kotlin_screen_recording.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/baruckis/Android-Calculator/HEAD/calculator_kotlin_screen_recording.gif -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/baruckis/Android-Calculator/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/baruckis/Android-Calculator/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/baruckis/Android-Calculator/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- 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https://raw.githubusercontent.com/baruckis/Android-Calculator/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/baruckis/Android-Calculator/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/baruckis/Android-Calculator/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png: 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-------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/workspace.xml 5 | /.idea/libraries 6 | .DS_Store 7 | /build 8 | /captures 9 | .externalNativeBuild 10 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/baruckis/Android-Calculator/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/baruckis/Android-Calculator/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/baruckis/Android-Calculator/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png -------------------------------------------------------------------------------- /.idea/vcs.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /.idea/modules.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /.idea/runConfigurations.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 11 | 12 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2017 Andrius Baruckis 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | include ':app' 18 | -------------------------------------------------------------------------------- /.idea/gradle.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 17 | 18 | -------------------------------------------------------------------------------- /.idea/copyright/Apache_V2.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 6 | -------------------------------------------------------------------------------- /app/src/main/res/values/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 17 | 18 | 19 | 16dp 20 | 8dp 21 | 22 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | # 2 | # Copyright 2017 Andrius Baruckis 3 | # 4 | # Licensed under the Apache License, Version 2.0 (the "License"); 5 | # you may not use this file except in compliance with the License. 6 | # You may obtain a copy of the License at 7 | # 8 | # http://www.apache.org/licenses/LICENSE-2.0 9 | # 10 | # Unless required by applicable law or agreed to in writing, software 11 | # distributed under the License is distributed on an "AS IS" BASIS, 12 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | # See the License for the specific language governing permissions and 14 | # limitations under the License. 15 | # 16 | 17 | #Sat Sep 02 08:22:16 EEST 2017 18 | distributionBase=GRADLE_USER_HOME 19 | distributionPath=wrapper/dists 20 | zipStoreBase=GRADLE_USER_HOME 21 | zipStorePath=wrapper/dists 22 | distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip 23 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml: -------------------------------------------------------------------------------- 1 | 2 | 17 | 18 | 19 | 20 | 21 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml: -------------------------------------------------------------------------------- 1 | 2 | 17 | 18 | 19 | 20 | 21 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in D:\Android\sdk/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | 19 | # Uncomment this to preserve the line number information for 20 | # debugging stack traces. 21 | #-keepattributes SourceFile,LineNumberTable 22 | 23 | # If you keep the line number information, uncomment this to 24 | # hide the original source file name. 25 | #-renamesourcefileattribute SourceFile 26 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_delete_black_24dp.xml: -------------------------------------------------------------------------------- 1 | 16 | 17 | 22 | 25 | 26 | -------------------------------------------------------------------------------- /app/src/test/java/com/baruckis/calculator/ExampleUnitTest.kt: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2017 Andrius Baruckis 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package com.baruckis.calculator 18 | 19 | import org.junit.Test 20 | 21 | import org.junit.Assert.* 22 | 23 | /** 24 | * Example local unit test, which will execute on the development machine (host). 25 | * 26 | * See [testing documentation](http://d.android.com/tools/testing). 27 | */ 28 | class ExampleUnitTest { 29 | @Test 30 | fun addition_isCorrect() { 31 | assertEquals(4, 2 + 2) 32 | } 33 | } 34 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Android Calculator 2 | 3 | Prototype Android app of Windows 10 style calculator with memory and history actions written in Kotlin. 4 | 5 | This app was created for my personal blog post ["Let’s learn Kotlin by building Android calculator app"](http://www.baruckis.com/android/lets-learn-kotlin-by-building-android-calculator-app). 6 | It is created for self learning purpose to explore Kotlin language features. 7 | 8 | ### App screen recording: 9 | 10 | ![](calculator_kotlin_screen_recording.gif) 11 | 12 | ## License 13 | 14 | Copyright 2017 Andrius Baruckis. 15 | 16 | Licensed under the Apache License, Version 2.0 (the "License"); 17 | you may not use this file except in compliance with the License. 18 | You may obtain a copy of the License at 19 | 20 | http://www.apache.org/licenses/LICENSE-2.0 21 | 22 | Unless required by applicable law or agreed to in writing, software 23 | distributed under the License is distributed on an "AS IS" BASIS, 24 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 25 | See the License for the specific language governing permissions and 26 | limitations under the License. 27 | -------------------------------------------------------------------------------- /app/src/main/res/menu/main_menu.xml: -------------------------------------------------------------------------------- 1 | 2 | 17 | 18 | 20 | 21 | 28 | 29 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_history_black_24dp.xml: -------------------------------------------------------------------------------- 1 | 16 | 17 | 22 | 25 | 26 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # 2 | # Copyright 2017 Andrius Baruckis 3 | # 4 | # Licensed under the Apache License, Version 2.0 (the "License"); 5 | # you may not use this file except in compliance with the License. 6 | # You may obtain a copy of the License at 7 | # 8 | # http://www.apache.org/licenses/LICENSE-2.0 9 | # 10 | # Unless required by applicable law or agreed to in writing, software 11 | # distributed under the License is distributed on an "AS IS" BASIS, 12 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | # See the License for the specific language governing permissions and 14 | # limitations under the License. 15 | # 16 | 17 | # Project-wide Gradle settings. 18 | 19 | # IDE (e.g. Android Studio) users: 20 | # Gradle settings configured through the IDE *will override* 21 | # any settings specified in this file. 22 | 23 | # For more details on how to configure your build environment visit 24 | # http://www.gradle.org/docs/current/userguide/build_environment.html 25 | 26 | # Specifies the JVM arguments used for the daemon process. 27 | # The setting is particularly useful for tweaking memory settings. 28 | org.gradle.jvmargs=-Xmx1536m 29 | 30 | # When configured, Gradle will run in incubating parallel mode. 31 | # This option should only be used with decoupled projects. More details, visit 32 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 33 | # org.gradle.parallel=true 34 | -------------------------------------------------------------------------------- /app/src/androidTest/java/com/baruckis/calculator/ExampleInstrumentedTest.kt: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2017 Andrius Baruckis 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package com.baruckis.calculator 18 | 19 | import android.support.test.InstrumentationRegistry 20 | import android.support.test.runner.AndroidJUnit4 21 | 22 | import org.junit.Test 23 | import org.junit.runner.RunWith 24 | 25 | import org.junit.Assert.* 26 | 27 | /** 28 | * Instrumented test, which will execute on an Android device. 29 | * 30 | * See [testing documentation](http://d.android.com/tools/testing). 31 | */ 32 | @RunWith(AndroidJUnit4::class) 33 | class ExampleInstrumentedTest { 34 | @Test 35 | fun useAppContext() { 36 | // Context of the app under test. 37 | val appContext = InstrumentationRegistry.getTargetContext() 38 | assertEquals("com.baruckis.calculator", appContext.packageName) 39 | } 40 | } 41 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 17 | 18 | 20 | 21 | 28 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | -------------------------------------------------------------------------------- /.idea/misc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 16 | 26 | 27 | 28 | 29 | 30 | 31 | 33 | -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 17 | 18 | 19 | @color/colorBlueGrey 20 | @android:color/black 21 | @color/colorTeal 22 | 23 | @android:color/white 24 | @android:color/black 25 | @android:color/darker_gray 26 | @color/colorTeal 27 | @android:color/black 28 | @color/colorBlueGrey 29 | @color/colorLightGrey 30 | @android:color/white 31 | 32 | #009688 33 | #E0E0E0 34 | #607D8B 35 | 36 | 37 | -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 16 | 17 | 18 | 19 | 20 | 26 | 27 | 31 | 32 | 35 | 36 | 40 | 41 | 45 | 46 | 47 | -------------------------------------------------------------------------------- /app/src/main/res/layout/fragment_history_action_list_dialog_item.xml: -------------------------------------------------------------------------------- 1 | 2 | 17 | 18 | 29 | 30 | 37 | 38 | 45 | 46 | 47 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2017 Andrius Baruckis 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | apply plugin: 'com.android.application' 18 | 19 | apply plugin: 'kotlin-android' 20 | 21 | apply plugin: 'kotlin-android-extensions' 22 | 23 | android { 24 | compileSdkVersion 26 25 | buildToolsVersion "26.0.2" 26 | defaultConfig { 27 | applicationId "com.baruckis.calculator" 28 | minSdkVersion 21 29 | targetSdkVersion 26 30 | versionCode 1 31 | versionName "1.0" 32 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 33 | } 34 | buildTypes { 35 | release { 36 | minifyEnabled false 37 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 38 | } 39 | } 40 | } 41 | 42 | dependencies { 43 | implementation fileTree(dir: 'libs', include: ['*.jar']) 44 | implementation 'com.android.support:support-v4:26.1.0' 45 | implementation 'com.android.support:design:26.1.0' 46 | implementation 'com.android.support:recyclerview-v7:26.1.0' 47 | androidTestImplementation('com.android.support.test.espresso:espresso-core:3.0.0', { 48 | exclude group: 'com.android.support', module: 'support-annotations' 49 | }) 50 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version" 51 | implementation 'com.android.support:appcompat-v7:26.1.0' 52 | testImplementation 'junit:junit:4.12' 53 | implementation 'com.android.support.constraint:constraint-layout:1.0.2' 54 | 55 | compile 'com.android.support:design:26.1.0' 56 | } 57 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 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 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 12 | set DEFAULT_JVM_OPTS= 13 | 14 | set DIRNAME=%~dp0 15 | if "%DIRNAME%" == "" set DIRNAME=. 16 | set APP_BASE_NAME=%~n0 17 | set APP_HOME=%DIRNAME% 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 Windowz variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | if "%@eval[2+2]" == "4" goto 4NT_args 53 | 54 | :win9xME_args 55 | @rem Slurp the command line arguments. 56 | set CMD_LINE_ARGS= 57 | set _SKIP=2 58 | 59 | :win9xME_args_slurp 60 | if "x%~1" == "x" goto execute 61 | 62 | set CMD_LINE_ARGS=%* 63 | goto execute 64 | 65 | :4NT_args 66 | @rem Get arguments from the 4NT Shell from JP Software 67 | set CMD_LINE_ARGS=%$ 68 | 69 | :execute 70 | @rem Setup the command line 71 | 72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 73 | 74 | @rem Execute Gradle 75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 76 | 77 | :end 78 | @rem End local scope for the variables with windows NT shell 79 | if "%ERRORLEVEL%"=="0" goto mainEnd 80 | 81 | :fail 82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 83 | rem the _cmd.exe /c_ return code! 84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 85 | exit /b 1 86 | 87 | :mainEnd 88 | if "%OS%"=="Windows_NT" endlocal 89 | 90 | :omega 91 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 16 | 17 | 18 | Calculator 19 | 20 | MC 21 | MR 22 | M+ 23 | M- 24 | MS 25 | 26 | % 27 | √ 28 | x² 29 | ⅟x 30 | CE 31 | C 32 | ⌫ 33 | ÷ 34 | ± 35 | , 36 | ＝ 37 | + 38 | − 39 | × 40 | 41 | 9 42 | 8 43 | 7 44 | 6 45 | 5 46 | 4 47 | 3 48 | 2 49 | 1 50 | 0 51 | 52 | History 53 | 54 | History: 55 | Clear history 56 | "History result: " 57 | "There's no history yet." 58 | History cleared 59 | 60 | Memory cleared 61 | Memory recalled 62 | "Memory added: " 63 | "Memory subtracted: " 64 | "Memory stored: " 65 | 66 | 67 | -------------------------------------------------------------------------------- /app/src/main/res/layout/fragment_history_action_list_dialog.xml: -------------------------------------------------------------------------------- 1 | 2 | 17 | 18 | 23 | 24 | 32 | 33 | 42 | 43 | 50 | 51 | 52 | 53 | 62 | 63 | 64 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_launcher_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 17 | 18 | 23 | 28 | 33 | 38 | 43 | 48 | 53 | 58 | 63 | 68 | 73 | 78 | 83 | 88 | 93 | 98 | 103 | 108 | 113 | 118 | 123 | 128 | 129 | 130 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env bash 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 10 | DEFAULT_JVM_OPTS="" 11 | 12 | APP_NAME="Gradle" 13 | APP_BASE_NAME=`basename "$0"` 14 | 15 | # Use the maximum available, or set MAX_FD != -1 to use that value. 16 | MAX_FD="maximum" 17 | 18 | warn ( ) { 19 | echo "$*" 20 | } 21 | 22 | die ( ) { 23 | echo 24 | echo "$*" 25 | echo 26 | exit 1 27 | } 28 | 29 | # OS specific support (must be 'true' or 'false'). 30 | cygwin=false 31 | msys=false 32 | darwin=false 33 | case "`uname`" in 34 | CYGWIN* ) 35 | cygwin=true 36 | ;; 37 | Darwin* ) 38 | darwin=true 39 | ;; 40 | MINGW* ) 41 | msys=true 42 | ;; 43 | esac 44 | 45 | # Attempt to set APP_HOME 46 | # Resolve links: $0 may be a link 47 | PRG="$0" 48 | # Need this for relative symlinks. 49 | while [ -h "$PRG" ] ; do 50 | ls=`ls -ld "$PRG"` 51 | link=`expr "$ls" : '.*-> \(.*\)$'` 52 | if expr "$link" : '/.*' > /dev/null; then 53 | PRG="$link" 54 | else 55 | PRG=`dirname "$PRG"`"/$link" 56 | fi 57 | done 58 | SAVED="`pwd`" 59 | cd "`dirname \"$PRG\"`/" >/dev/null 60 | APP_HOME="`pwd -P`" 61 | cd "$SAVED" >/dev/null 62 | 63 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 64 | 65 | # Determine the Java command to use to start the JVM. 66 | if [ -n "$JAVA_HOME" ] ; then 67 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 68 | # IBM's JDK on AIX uses strange locations for the executables 69 | JAVACMD="$JAVA_HOME/jre/sh/java" 70 | else 71 | JAVACMD="$JAVA_HOME/bin/java" 72 | fi 73 | if [ ! -x "$JAVACMD" ] ; then 74 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 75 | 76 | Please set the JAVA_HOME variable in your environment to match the 77 | location of your Java installation." 78 | fi 79 | else 80 | JAVACMD="java" 81 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 82 | 83 | Please set the JAVA_HOME variable in your environment to match the 84 | location of your Java installation." 85 | fi 86 | 87 | # Increase the maximum file descriptors if we can. 88 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then 89 | MAX_FD_LIMIT=`ulimit -H -n` 90 | if [ $? -eq 0 ] ; then 91 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 92 | MAX_FD="$MAX_FD_LIMIT" 93 | fi 94 | ulimit -n $MAX_FD 95 | if [ $? -ne 0 ] ; then 96 | warn "Could not set maximum file descriptor limit: $MAX_FD" 97 | fi 98 | else 99 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 100 | fi 101 | fi 102 | 103 | # For Darwin, add options to specify how the application appears in the dock 104 | if $darwin; then 105 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 106 | fi 107 | 108 | # For Cygwin, switch paths to Windows format before running java 109 | if $cygwin ; then 110 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 111 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 112 | JAVACMD=`cygpath --unix "$JAVACMD"` 113 | 114 | # We build the pattern for arguments to be converted via cygpath 115 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 116 | SEP="" 117 | for dir in $ROOTDIRSRAW ; do 118 | ROOTDIRS="$ROOTDIRS$SEP$dir" 119 | SEP="|" 120 | done 121 | OURCYGPATTERN="(^($ROOTDIRS))" 122 | # Add a user-defined pattern to the cygpath arguments 123 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 124 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 125 | fi 126 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 127 | i=0 128 | for arg in "$@" ; do 129 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 130 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 131 | 132 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 133 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 134 | else 135 | eval `echo args$i`="\"$arg\"" 136 | fi 137 | i=$((i+1)) 138 | done 139 | case $i in 140 | (0) set -- ;; 141 | (1) set -- "$args0" ;; 142 | (2) set -- "$args0" "$args1" ;; 143 | (3) set -- "$args0" "$args1" "$args2" ;; 144 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 145 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 146 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 147 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 148 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 149 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 150 | esac 151 | fi 152 | 153 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules 154 | function splitJvmOpts() { 155 | JVM_OPTS=("$@") 156 | } 157 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS 158 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" 159 | 160 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" 161 | -------------------------------------------------------------------------------- /app/src/main/java/com/baruckis/calculator/HistoryActionListDialogFragment.kt: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2017 Andrius Baruckis 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package com.baruckis.calculator 18 | 19 | import android.content.Context 20 | import android.os.Bundle 21 | import android.support.design.widget.BottomSheetDialogFragment 22 | import android.support.v7.widget.LinearLayoutManager 23 | import android.support.v7.widget.RecyclerView 24 | import android.view.LayoutInflater 25 | import android.view.View 26 | import android.view.ViewGroup 27 | import android.widget.ImageButton 28 | import android.widget.LinearLayout 29 | import android.widget.TextView 30 | import android.widget.Toast 31 | import java.util.* 32 | 33 | 34 | /** 35 | * 36 | * A fragment that shows a list of items as a modal bottom sheet. 37 | * 38 | * You activity (or fragment) needs to implement [HistoryActionListDialogFragment.Listener]. 39 | */ 40 | class HistoryActionListDialogFragment : BottomSheetDialogFragment() { 41 | 42 | // If ? is inserted after any type name, we have explicitly instructed the compiler that the value of the type can either store an object reference or can be null. 43 | private var mListener: Listener? = null 44 | 45 | private lateinit var mData: ArrayList 46 | 47 | override fun onCreateView(inflater: LayoutInflater?, container: ViewGroup?, 48 | savedInstanceState: Bundle?): View? { 49 | return inflater!!.inflate(R.layout.fragment_history_action_list_dialog, container, false) 50 | } 51 | 52 | override fun onViewCreated(view: View?, savedInstanceState: Bundle?) { 53 | // Initializing an ArrayList in one line when fragment is already attached to Activity and string resources are available to reach. 54 | mData = ArrayList(Arrays.asList(getString(R.string.no_history))) 55 | 56 | val data = arguments.getStringArrayList(ARG_HISTORY_ACTION) 57 | if (data.isNotEmpty()) { 58 | mData.clear() 59 | mData.addAll(data) 60 | } 61 | 62 | val recyclerView = view!!.findViewById(R.id.list) as RecyclerView? 63 | recyclerView!!.layoutManager = LinearLayoutManager(context) 64 | recyclerView.adapter = ItemAdapter(mData) 65 | 66 | val buttonClearHistory: ImageButton = view.findViewById(R.id.button_clear_history) 67 | buttonClearHistory.setOnClickListener { 68 | data.clear() 69 | mData.clear() 70 | mData.add(getString(R.string.no_history)) 71 | recyclerView.adapter.notifyDataSetChanged() 72 | Toast.makeText(activity, getString(R.string.history_cleared), Toast.LENGTH_SHORT).show() 73 | } 74 | } 75 | 76 | override fun onAttach(context: Context?) { 77 | super.onAttach(context) 78 | val parent = parentFragment 79 | if (parent != null) { 80 | mListener = parent as Listener 81 | } else { 82 | mListener = context as Listener? 83 | } 84 | } 85 | 86 | override fun onDetach() { 87 | mListener = null 88 | super.onDetach() 89 | } 90 | 91 | interface Listener { 92 | fun onHistoryItemClicked(resultText: String) 93 | } 94 | 95 | private inner class ViewHolder internal constructor(inflater: LayoutInflater, parent: ViewGroup) : RecyclerView.ViewHolder(inflater.inflate(R.layout.fragment_history_action_list_dialog_item, parent, false)) { 96 | 97 | internal val rowLayout: LinearLayout = itemView.findViewById(R.id.row) as LinearLayout 98 | internal val actionTextView: TextView = itemView.findViewById(R.id.action) as TextView 99 | internal val resultTextView: TextView = itemView.findViewById(R.id.result) as TextView 100 | 101 | init { 102 | rowLayout.setOnClickListener { 103 | if (mListener != null) { 104 | // Operator with !! allows to bypass nullability checking by the Kotlin compiler. 105 | mListener!!.onHistoryItemClicked(resultTextView.text.toString()) 106 | dismiss() 107 | } 108 | } 109 | } 110 | 111 | } 112 | 113 | private inner class ItemAdapter internal constructor(private val mHistoryActionList: ArrayList) : RecyclerView.Adapter() { 114 | 115 | override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder { 116 | return ViewHolder(LayoutInflater.from(parent.context), parent) 117 | } 118 | 119 | override fun onBindViewHolder(holder: ViewHolder, position: Int) { 120 | // Regular expression lookbehind with delimiter "=" 121 | val reg = Regex("(?<=[=])") 122 | val historyActionList = mHistoryActionList.get(position).split(reg) 123 | holder.actionTextView.text = if (historyActionList.size == 1) "" else historyActionList.first() 124 | holder.resultTextView.text = historyActionList.last().trim() 125 | } 126 | 127 | override fun getItemCount(): Int { 128 | return mHistoryActionList.count() 129 | } 130 | 131 | } 132 | 133 | companion object { 134 | 135 | private val ARG_HISTORY_ACTION = "history_action" 136 | 137 | fun newInstance(historyActionList: ArrayList): HistoryActionListDialogFragment { 138 | val fragment = HistoryActionListDialogFragment() 139 | val args = Bundle() 140 | args.putStringArrayList(ARG_HISTORY_ACTION, historyActionList) 141 | fragment.arguments = args 142 | return fragment 143 | } 144 | } 145 | 146 | } -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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The text should be enclosed in the appropriate 184 | comment syntax for the file format. We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright 2017 Andrius Baruckis 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 17 | 18 | 25 | 26 | 32 | 33 | 51 | 52 |