我有一个模块 FragmentModule
@Module
public class FragmentModule
{
@Provides
public static PickerDashboardFragment providesPickerDashboard(int status, String name, Object someComplexObject)
{
PickerDashboardFragment fragment = new PickerDashboardFragment();
Bundle b = new Bundle();
b.putInt("status", status);
b.putString("name", name);
b.putInt("object", someComplexObject);
fragment.setArguments(bundle);
return fragment;
}
@Provides
public static PickingFragment providesPickingFragment()
{
PickingFragment fragment = new PickingFragment();
return fragment;
}
}
这是我的组件类
@Component(modules = {UtilModule.class, FragmentModule.class})
public interface ApplicationComponent
{
void inject(PickerDashboardActivity target);
}
在我的 Activity 中,这就是我注入(inject) PickerDashboardActivity
@Inject
PickerDashboardFragment frag;
ApplicationComponent component = DaggerApplicationComponent.builder().build();
component.inject(this);
我的问题是什么是为PickerDashboardFragment providesPickerDashboard(int status, String name, Object someComplexObject)
提供依赖项的最好和最简单的方法,即状态、名称和 someComplexObject。
最好的问候
最佳答案
像这样向您的模块添加属性和Provides
方法:
@Module
public class FragmentModule
{
private final int status;
private final String name;
private final Object someComplexObject;
public FragmentModule(int status, String name, Object someComplexObject) {
this.status = status;
this.name = name;
this.someComplexObject = someComplexObject;
}
@Provides
int providesStatus() {
return status;
}
@Provides
String providesName() {
return name;
}
@Provides
Object providesSomeComplexObject() {
return someComplexObjext;
}
@Provides
public static PickerDashboardFragment providesPickerDashboard(int status, String name, Object someComplexObject)
{
PickerDashboardFragment fragment = new PickerDashboardFragment();
Bundle b = new Bundle();
b.putInt("status", status);
b.putString("name", name);
b.putInt("object", someComplexObject);
fragment.setArguments(bundle);
return fragment;
}
@Provides
public static PickingFragment providesPickingFragment()
{
PickingFragment fragment = new PickingFragment();
return fragment;
}
}
拥有一个提供 int 和 String 的模块可能会让您使用一些限定符(例如 Named
)以避免冲突
关于Android Dagger-2 如何为方法参数提供依赖,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/45235183/