Question

我想注入一个接口并且匕首自动注入我的实现但是我得到了错误

public interface HouseInterface {
String sayHello();}

*接口的实现低于*

public class Stark implements  HouseInterface{
@Inject
public Stark(){}


@Override
public String sayHello() {
    return "stark";
}

}

家庭界面mosule

@Module public class HouseModule {
@Provides
public HouseInterface getHouse(Stark stark){
    return stark;
}
}

* house组件：*

@Component(modules = HouseModule.class) interface HouseComponent {
HouseInterface getHouse();
}

War.class：

 public class War {
@Inject
public War() {
}

//#1
//this not working
@Inject
HouseInterface houseInterface;

//this works
//#2
// @Inject
//Stark stark;

//#3
// this works//HouseComponent houseComponent = DaggerHouseComponent.builder().houseModule(new HouseModule()).build();
//HouseInterface houseInterface = houseComponent.getHouse();

public String getHouseName() {
    return houseInterface.sayHello();
}

}

WarComponent类

@Component
public interface WarComponent {
War getWar();
void inject(War war);
}

当我使用以下代码测试代码时：

    @Test
public void printNameTest() {
    String expected = "stark";
    WarComponent component = DaggerWarComponent.create();
    War war= component.getWar();
    Assert.assertEquals(war.getHouseName(), expected);
}

如果在War类中我们使用＃1注入，而不是工作，但是如果使用＃2，或者＃3在上面的代码中注释注入不起作用，谁有任何想法？因为我不希望war.class依赖于Stark.class而我希望它只依赖于HpuseInterface所以我需要＃1工作

@inject接口不是dagger2 android中的实现

0 个答案: