Initial Android CI project with Gitea Actions

.gitea/workflows/android-build.yml

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+name: Android Build
+
+on:
+  push:
+    branches: [ master, main ]
+  pull_request:
+    branches: [ master, main ]
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Set up JDK 17
+      uses: actions/setup-java@v4
+      with:
+        java-version: '17'
+        distribution: 'temurin'
+        cache: gradle
+
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
+
+    - name: Build with Gradle
+      run: ./gradlew build
+
+    - name: Build Debug APK
+      run: ./gradlew assembleDebug
+
+    - name: Upload APK
+      uses: actions/upload-artifact@v4
+      with:
+        name: app-debug
+        path: app/build/outputs/apk/debug/app-debug.apk
+
+  release:
+    needs: build
+    if: startsWith(github.ref, 'refs/tags/')
+    runs-on: ubuntu-latest
+    
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Set up JDK 17
+      uses: actions/setup-java@v4
+      with:
+        java-version: '17'
+        distribution: 'temurin'
+        cache: gradle
+
+    - name: Decode Keystore
+      if: ${{ env.ANDROID_KEYSTORE_BASE64 }}
+      run: |
+        echo $ANDROID_KEYSTORE_BASE64 | base64 -d > keystore.jks
+      env:
+        ANDROID_KEYSTORE_BASE64: ${{ secrets.ANDROID_KEYSTORE_BASE64 }}
+
+    - name: Build Release APK
+      run: ./gradlew assembleRelease
+      env:
+        ANDROID_KEYSTORE_PASSWORD: ${{ secrets.ANDROID_KEYSTORE_PASSWORD }}
+        ANDROID_KEY_ALIAS: ${{ secrets.ANDROID_KEY_ALIAS }}
+        ANDROID_KEY_PASSWORD: ${{ secrets.ANDROID_KEY_PASSWORD }}
+
+    - name: Create Release
+      uses: softprops/action-gh-release@v1
+      with:
+        files: app/build/outputs/apk/release/app-release.apk
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

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+# Built application files
+*.apk
+*.ap_
+*.aab
+
+# Files for the ART/Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+out/
+release/
+
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log Files
+*.log
+
+# Android Studio Navigation editor temp files
+.navigation/
+
+# Android Studio captures folder
+captures/
+
+# IntelliJ
+*.iml
+.idea/
+.idea/workspace.xml
+.idea/tasks.xml
+.idea/gradle.xml
+.idea/assetWizardSettings.xml
+.idea/dictionaries
+.idea/libraries
+.idea/caches
+.idea/modules.xml
+
+# Keystore files
+*.jks
+*.keystore
+
+# External native build folder generated in Android Studio 2.2 and later
+.externalNativeBuild
+.cxx/
+
+# Version control
+vcs.xml
+
+# lint
+lint/intermediates/
+lint/generated/
+lint/outputs/
+lint/tmp/
+
+# Android Profiling
+*.hprof

README.md

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+# Android CI Demo
+
+基于 Gitea Actions 的 Android 自动编译项目
+
+## 功能
+
+- ✅ 自动编译 Android APK
+- ✅ 缓存 Gradle 依赖
+- ✅ 签名 APK（可选）
+- ✅ 发布 Release
+
+## 快速开始
+
+1. 在 Gitea 上创建新仓库
+2. 推送代码：
+   ```bash
+   git remote add origin https://gitea.kg8.net/amos/android-ci-demo.git
+   git push -u origin master
+   ```
+3. 触发 CI：推送代码或手动运行 workflow
+
+## 项目结构
+
+```
+android-ci-demo/
+├── .gitea/
+│   └── workflows/
+│       └── android-build.yml    # Gitea Actions 工作流
+├── app/
+│   ├── build.gradle             # App 模块构建配置
+│   └── src/
+│       └── main/
+│           ├── AndroidManifest.xml
+│           ├── java/
+│           │   └── com/
+│           │       └── example/
+│           │           └── demo/
+│           │               └── MainActivity.java
+│           └── res/
+│               └── layout/
+│                   └── activity_main.xml
+├── build.gradle                 # 项目级构建配置
+├── settings.gradle              # 项目设置
+├── gradle.properties            # Gradle 属性
+└── gradlew                      # Gradle Wrapper
+```
+
+## 配置签名（可选）
+
+在 Gitea 仓库设置中添加 Secrets：
+
+- `ANDROID_KEYSTORE_BASE64`: Keystore 文件的 Base64 编码
+- `ANDROID_KEYSTORE_PASSWORD`: Keystore 密码
+- `ANDROID_KEY_ALIAS`: Key 别名
+- `ANDROID_KEY_PASSWORD`: Key 密码
+
+## License
+
+MIT

app/build.gradle

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+plugins {
+    id 'com.android.application'
+}
+
+android {
+    namespace 'com.example.androidcidemo'
+    compileSdk 34
+
+    defaultConfig {
+        applicationId "com.example.androidcidemo"
+        minSdk 24
+        targetSdk 34
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+    implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation 'com.google.android.material:material:1.11.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+-keepattributes *Annotation*
+-keepclassmembers class * {
+    @android.webkit.JavascriptInterface <methods>;
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:theme="@style/Theme.AndroidCIDemo">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/com/example/demo/MainActivity.java

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+package com.example.androidcidemo;
+
+import android.os.Bundle;
+import androidx.appcompat.app.AppCompatActivity;
+
+public class MainActivity extends AppCompatActivity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+    }
+}

app/src/main/res/layout/activity_main.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout 
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Hello, Android CI!"
+        android:textSize="24sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/values/colors.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>

app/src/main/res/values/strings.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">Android CI Demo</string>
+</resources>

app/src/main/res/values/themes.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="Theme.AndroidCIDemo" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <item name="colorPrimary">@color/purple_500</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_700</item>
+        <item name="colorOnSecondary">@color/black</item>
+    </style>
+</resources>

build.gradle

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+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+    id 'com.android.application' version '8.2.0' apply false
+}

gradle.properties

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+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+android.useAndroidX=true
+android.enableJetifier=true

gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.2-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

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+#!/bin/bash
+# Gradle Wrapper Script (Simplified for CI)
+# In production, use: gradle wrapper
+
+GRADLE_VERSION="8.2"
+GRADLE_HOME="${GRADLE_HOME:-/opt/gradle}"
+
+if [ ! -d "$GRADLE_HOME" ]; then
+    echo "Gradle not found, using system gradle..."
+    exec gradle "$@"
+fi
+
+exec "$GRADLE_HOME/bin/gradle" "$@"

settings.gradle

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+pluginManagement {
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+rootProject.name = "AndroidCIDemo"
+include ':app'