Android APK 构建 Skill

项目信息

| 项目 | 值 | |------|-----| | 应用 ID | com.cretas.foodtrace | | 前端目录 | frontend/CretasFoodTrace | | 构建脚本 | scripts/build-android-apk.sh |

一键构建

cd /Users/jietaoxie/my-prototype-logistics

# Debug APK（推荐测试）
./scripts/build-android-apk.sh

# Release APK
./scripts/build-android-apk.sh -t release

# 构建并安装到设备
./scripts/build-android-apk.sh -c -i

环境依赖

export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk-17.jdk/Contents/Home
export ANDROID_HOME=/Users/jietaoxie/Library/Android/sdk
export PATH=$PATH:$ANDROID_HOME/platform-tools

手动构建

cd frontend/CretasFoodTrace

# 1. 安装依赖 + prebuild
npm install
npx expo prebuild --platform android

# 2. 构建 APK
cd android
./gradlew assembleDebug --no-daemon   # Debug
./gradlew assembleRelease --no-daemon # Release

# 3. APK 输出位置
ls app/build/outputs/apk/debug/app-debug.apk
ls app/build/outputs/apk/release/app-release.apk

安装到设备

$ANDROID_HOME/platform-tools/adb devices                    # 检查设备
$ANDROID_HOME/platform-tools/adb install -r app-debug.apk  # 安装
$ANDROID_HOME/platform-tools/adb shell am start -n com.cretas.foodtrace/.MainActivity

常见问题

| 问题 | 解决方案 | |------|----------| | JAVA_HOME not set | export JAVA_HOME=...jdk-17.jdk/Contents/Home | | SDK location not found | export ANDROID_HOME=~/Library/Android/sdk | | No connected devices | 启动模拟器: $ANDROID_HOME/emulator/emulator -avd <name> | | Build failed | ./gradlew clean 或删除 .gradle 目录 | | Out of memory | 增加 gradle.properties 中 org.gradle.jvmargs |

清理缓存

cd frontend/CretasFoodTrace/android
./gradlew --stop && ./gradlew clean
rm -rf ~/.gradle/caches .gradle app/build

Release 签名

# 生成密钥库
keytool -genkeypair -v -storetype PKCS12 -keystore cretas-release.keystore \
  -alias cretas -keyalg RSA -keysize 2048 -validity 10000

# 配置 android/gradle.properties
MYAPP_RELEASE_STORE_FILE=cretas-release.keystore
MYAPP_RELEASE_KEY_ALIAS=cretas
MYAPP_RELEASE_STORE_PASSWORD=your_password