import com.jess.arms.di.component.DaggerAppComponent; //导入依赖的package包/类
@Override
public void onCreate() {
    super.onCreate();
    mApplication = this;
    this.mAppModule = new AppModule(this);//提供application
    DaggerAppComponent
            .builder()
            .appModule(mAppModule)
            .build()
            .inject(this); //provide  Application gson
    this.mImagerModule = new ImageModule();//使用策略模式  图片加载框架默认使用glide
    this.mClientModule = new ClientModule(mAppManager);//用于提供okhttp和retrofit的单例
    this.mGlobeConfigModule = checkNotNull(getGlobeConfigModule(), "lobeConfigModule is required");
    registerActivityLifecycleCallbacks(mActivityLifecycle);
}