React Native安卓启动报错：BridgeDevSupportManager类未找到或无法创建

问题描述 #

我正在构建一个2020年创建的React Native应用，iOS设备上运行正常，但Android设备安装启动时崩溃，报错信息如下：

java.lang.RuntimeException: Unable to create application com.app.MainApplication: java.lang.RuntimeException: Requested enabled DevSupportManager, but BridgeDevSupportManager class was not found or could not be created
        at android.app.ActivityThread.handleBindApplication(ActivityThread.java:7053)
        at android.app.ActivityThread.access$1800(ActivityThread.java:254)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2184)
        at android.os.Handler.dispatchMessage(Handler.java:106)
        at android.os.Looper.loopOnce(Looper.java:233)
        at android.os.Looper.loop(Looper.java:344)
        at android.app.ActivityThread.main(ActivityThread.java:8212)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:584)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1034)

补充信息 #

React版本：

"react": "16.14",
"react-native": "0.62.0"

Android配置：

buildToolsVersion = "33.0.2"
minSdkVersion = 21
compileSdkVersion = 33
targetSdkVersion = 33
androidXCore = "1.5.0"
kotlin_version = '1.6.10'

解决方案 #

1. 确认开发者支持的启用逻辑 #

在MainApplication.java中，检查getUseDeveloperSupport()方法的返回值：

• 生产构建必须返回false，否则会因调试代码被移除而找不到BridgeDevSupportManager
• 开发环境返回BuildConfig.DEBUG即可，确保只在调试模式启用开发者支持

示例代码：

@Override
public boolean getUseDeveloperSupport() {
  return BuildConfig.DEBUG;
}

2. 降低Android SDK版本适配RN 0.62.0 #

RN 0.62.0官方推荐的compileSdkVersion为29，当前使用的33版本过高，存在API兼容性问题。修改android/build.gradle中的配置：

buildToolsVersion = "29.0.3"
compileSdkVersion = 29
targetSdkVersion = 29

修改后执行清理构建命令：

cd android && ./gradlew clean && cd ..

3. 修复依赖完整性 #

删除现有依赖并重新安装，确保RN相关依赖未损坏：

rm -rf node_modules && npm install
cd android && ./gradlew clean && cd ..

4. 检查MainApplication初始化代码 #

确保MainApplication正确继承ReactApplication，且createReactNativeHost()方法实现正确：

@Override
protected ReactNativeHost createReactNativeHost() {
  return new ReactNativeHost(this) {
    @Override
    public boolean getUseDeveloperSupport() {
      return BuildConfig.DEBUG;
    }

    @Override
    protected List<ReactPackage> getPackages() {
      List<ReactPackage> packages = new PackageList(this).getPackages();
      // 添加自定义包请在此处处理
      return packages;
    }

    @Override
    protected String getJSMainModuleName() {
      return "index";
    }
  };
}

内容的提问来源于stack exchange，提问作者Olkunmustafa