Add minimal empty application

.gitignore

+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+**/ios/Flutter/.last_build_id
+.dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
+.packages
+.pub-cache/
+.pub/
+/build/
+
+# Web related
+lib/generated_plugin_registrant.dart
+
+# Symbolication related
+app.*.symbols
+
+# Obfuscation related
+app.*.map.json
+
+# Android Studio will place build artifacts here
+/android/app/debug
+/android/app/profile
+/android/app/release

.gitlab-ci.yml

+image: cirrusci/flutter:latest
+
+stages:
+  - update
+  - build-debug
+  - build-release
+  - deploy
+
+update:
+  stage: update
+  script:
+    - flutter packages get
+    - flutter packages upgrade
+  interruptible: true
+
+android:build-debug:
+  stage: build-debug
+  script:
+    # Flutter local configuration
+    - echo flutter.sdk=$FLUTTER_PATH > android/local.properties
+    - echo sdk.dir=$ANDROID_SDK_PATH >> android/local.properties
+    - echo flutter.buildMode=debug >> android/local.properties
+    # Android signing
+    - echo "$ANDROID_DEBUG_KEYSTORE_FILE" | base64 -d > android/app/my.keystore
+    - echo storeFile=my.keystore > android/key.properties
+    - echo storePassword=$ANDROID_DEBUG_KEYSTORE_PASSWORD >> android/key.properties
+    - echo keyAlias=$ANDROID_DEBUG_KEY_ALIAS >> android/key.properties
+    - echo keyPassword=$ANDROID_DEBUG_KEY_PASSWORD >> android/key.properties
+    # build flutter app
+    - flutter packages get
+    - flutter clean
+    - flutter build apk --debug
+    # prepare artifact
+    - find . -name "*.apk" # where is my apk?
+  artifacts:
+    paths:
+      - build/app/outputs/apk/debug
+    expire_in: 1 week
+  interruptible: true
+
+android:build-release:
+  stage: build-release
+  only:
+    - master
+  dependencies:
+    - android:build-debug
+  script:
+    # Flutter local configuration
+    - echo flutter.sdk=$FLUTTER_PATH > android/local.properties
+    - echo sdk.dir=$ANDROID_SDK_PATH >> android/local.properties
+    - echo flutter.buildMode=release >> android/local.properties
+    # Android signing
+    - echo "$ANDROID_KEYSTORE_FILE" | base64 -d > android/app/my.keystore
+    - echo storeFile=my.keystore > android/key.properties
+    - echo storePassword=$ANDROID_KEYSTORE_PASSWORD >> android/key.properties
+    - echo keyAlias=$ANDROID_KEY_ALIAS >> android/key.properties
+    - echo keyPassword=$ANDROID_KEY_PASSWORD >> android/key.properties
+    # build flutter app
+    - flutter packages get
+    - flutter clean
+    - flutter build apk --release
+    # prepare artifact
+    - find . -name "*.apk" # where is my apk?
+  artifacts:
+    paths:
+      - build/app/outputs/apk/release
+    expire_in: 1 week
+  interruptible: true
+
+android:deploy:
+  stage: deploy
+  only:
+    - master
+  dependencies:
+    - android:build-release
+  script:
+    - wget ${REPOSITORY_UPDATE_WEBHOOK}?token=${REPOSITORY_TOKEN}

.metadata

+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: 5bedb7b1d5698ce2c1c67aaf9afae7b3948b172a
+  channel: beta
+
+project_type: app

android/.gitignore

+gradle-wrapper.jar
+/.gradle
+/captures/
+/gradlew
+/gradlew.bat
+/local.properties
+GeneratedPluginRegistrant.java
+
+# Remember to never publicly share your keystore.
+# See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app
+key.properties

android/app/build.gradle

+def localProperties = new Properties()
+def localPropertiesFile = rootProject.file('local.properties')
+if (localPropertiesFile.exists()) {
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
+    }
+}
+
+def gradleProperties = new Properties()
+def gradlePropertiesFile = rootProject.file('gradle.properties')
+if (gradlePropertiesFile.exists()) {
+    gradlePropertiesFile.withReader('UTF-8') { reader ->
+        gradleProperties.load(reader)
+    }
+}
+
+def flutterRoot = localProperties.getProperty('flutter.sdk')
+if (flutterRoot == null) {
+    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+}
+
+def appVersionCode = gradleProperties.getProperty('app.versionCode')
+if (appVersionCode == null) {
+    appVersionCode = '1'
+}
+
+def appVersionName = gradleProperties.getProperty('app.versionName')
+if (appVersionName == null) {
+    appVersionName = '1.0'
+}
+
+apply plugin: 'com.android.application'
+apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
+
+def keystoreProperties = new Properties()
+def keystorePropertiesFile = rootProject.file('key.properties')
+if (keystorePropertiesFile.exists()) {
+    keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+}
+
+android {
+    compileSdkVersion 30
+
+    defaultConfig {
+        applicationId "org.benoitharrault.sudoku"
+        minSdkVersion 16
+        targetSdkVersion 30
+        versionCode appVersionCode.toInteger()
+        versionName appVersionName
+        archivesBaseName = "$applicationId" + "_" + "$versionCode"
+    }
+
+    signingConfigs {
+        release {
+            keyAlias keystoreProperties['keyAlias']
+            keyPassword keystoreProperties['keyPassword']
+            storeFile keystoreProperties['storeFile'] ? file(keystoreProperties['storeFile']) : null
+            storePassword keystoreProperties['storePassword']
+        }
+    }
+    buildTypes {
+        release {
+            signingConfig signingConfigs.release
+        }
+    }
+}
+
+flutter {
+    source '../..'
+}

android/app/src/debug/AndroidManifest.xml

+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="org.benoitharrault.sudoku">
+    <!-- Flutter needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>

android/app/src/main/AndroidManifest.xml

+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="org.benoitharrault.sudoku">
+   <application
+        android:label="sudoku"
+        android:icon="@mipmap/ic_launcher">
+        <activity
+            android:name=".MainActivity"
+            android:launchMode="singleTop"
+            android:theme="@style/LaunchTheme"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:hardwareAccelerated="true"
+            android:windowSoftInputMode="adjustResize">
+            <!-- Specifies an Android theme to apply to this Activity as soon as
+                 the Android process has started. This theme is visible to the user
+                 while the Flutter UI initializes. After that, this theme continues
+                 to determine the Window background behind the Flutter UI. -->
+            <meta-data
+              android:name="io.flutter.embedding.android.NormalTheme"
+              android:resource="@style/NormalTheme"
+              />
+            <!-- Displays an Android View that continues showing the launch screen
+                 Drawable until Flutter paints its first frame, then this splash
+                 screen fades out. A splash screen is useful to avoid any visual
+                 gap between the end of Android's launch screen and the painting of
+                 Flutter's first frame. -->
+            <meta-data
+              android:name="io.flutter.embedding.android.SplashScreenDrawable"
+              android:resource="@drawable/launch_background"
+              />
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+        <!-- Don't delete the meta-data below.
+             This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
+        <meta-data
+            android:name="flutterEmbedding"
+            android:value="2" />
+    </application>
+</manifest>

android/app/src/main/java/org/benoitharrault/sudoku/MainActivity.java

+package org.benoitharrault.sudoku;
+
+import io.flutter.embedding.android.FlutterActivity;
+
+public class MainActivity extends FlutterActivity {
+}

android/app/src/main/res/drawable-v21/launch_background.xml

+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="?android:colorBackground" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>

android/app/src/main/res/drawable/launch_background.xml

+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@android:color/white" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>

android/app/src/main/res/values-night/styles.xml

+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             Flutter draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+         
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>

android/app/src/main/res/values/styles.xml

+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             Flutter draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+         
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>

android/app/src/profile/AndroidManifest.xml

+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="org.benoitharrault.sudoku">
+    <!-- Flutter needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>

android/build.gradle

+buildscript {
+    repositories {
+        google()
+        jcenter()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:4.1.0'
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
+
+rootProject.buildDir = '../build'
+subprojects {
+    project.buildDir = "${rootProject.buildDir}/${project.name}"
+}
+subprojects {
+    project.evaluationDependsOn(':app')
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

android/gradle.properties

+org.gradle.jvmargs=-Xmx1536M
+android.useAndroidX=true
+android.enableJetifier=true
+app.versionName=0.0.1
+app.versionCode=1