jose-mgmaestre

package com.ricston.injectionexample.domain;

import com.ricston.injectionexample.domain.com.ricston.injectionexample.domain.blood.Blood;

import javax.inject.Inject;

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

jose-mgmaestre

public class Person{

  Body body;
  
  @Inject
  public Person(Body body){
    this.body = body;
  }
  
}

jose-mgmaestre

public class Body {

    @Inject
    Blood blood;


    @Inject
    public Body(){}

jose-mgmaestre

public abstract class Blood {

    public abstract String getKindOfBlood();

}

jose-mgmaestre

public class A_Blood extends Blood{
    @Override
    public String getKindOfBlood() {
        return "A";
    }
}

jose-mgmaestre

@Module
public class RandomInjectionModule {

    private static Blood blood;

    public RandomInjectionModule() {
    }

    @Provides
    static Blood provideBlood(){

jose-mgmaestre

@Component( modules = RandomInjectionModule.class )
public interface Doctor {
    Body injectBlood();
}

jose-mgmaestre

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Body body = createBody();