import dagger.android.support.DaggerApplication; //导入依赖的package包/类
@Override
protected AndroidInjector<? extends DaggerApplication> applicationInjector()
{
    return DaggerAppComponent
        .builder()
        .appModule(new AppModule(this))
        .build();
}
 

import dagger.android.support.DaggerApplication; //导入依赖的package包/类
@Override
protected AndroidInjector<? extends DaggerApplication> applicationInjector() {
  return DaggerImgurApplicationComponent.create();
}
 

import dagger.android.support.DaggerApplication; //导入依赖的package包/类
@Override
protected AndroidInjector<? extends DaggerApplication> applicationInjector() {
  return DaggerApplicationComponent.builder().create(this);
}
 

import dagger.android.support.DaggerApplication; //导入依赖的package包/类
@Override
protected AndroidInjector<? extends DaggerApplication> applicationInjector() {
    return DaggerAppComponent.builder().create(this);
}
 

import dagger.android.support.DaggerApplication; //导入依赖的package包/类
@Override
protected AndroidInjector<? extends DaggerApplication> applicationInjector() {
    return DaggerApplicationComponent.builder().create(this);
}
 

import dagger.android.support.DaggerApplication; //导入依赖的package包/类
@Override
protected AndroidInjector<? extends DaggerApplication> applicationInjector() {
    AndroidInjector<DemoApplication> build = DaggerDemoComponent.builder().create(this);
    return build;
}