dagger2Test源代码

package com.test.yqman.mydaggertest; import android.app.Activity; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.util.Log; import com.test.yqman.mydaggertest.component.DaggerMyComponent; import com.test.yqman.mydaggertest.component.MyComponent; import com.test.yqman.mydaggertest.data.MyData; import com.test.yqman.mydaggertest.data.MyPresenter; import com.test.yqman.mydaggertest.modules.MyModule; import com.test.yqman.mydaggertest.modules.SecondModule; import javax.inject.Inject; public class MainActivity extends Activity { @Inject MyPresenter myPresenter; @Inject MyData myDatabase1; @Inject MyData myDatabase2; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.layout); if(myPresenter==null) Log.e("test", "presenter is null"); MyComponent m = DaggerMyComponent.builder().myModule(new MyModule(this)).secondModule(new SecondModule()).build(); m.inject_vsd(this); //证明注入成功 Log.e("test", "---------dagger test-------------"); if(myPresenter==null){ Log.e("test", "Dagger failed"); } else{ Log.e("test", "Dagger success"); } //默认情况注入对象是否单例 Log.e("test", "---------single test-------------"); if(myDatabase1==myDatabase2){ Log.e("test", "single model"); } else{ Log.e("test", "not single model"); } //普通方法返回消耗类 Log.e("test", "---------simple method test-------------"); MyPresenter pre = m.providerMyPresent_dfafd(); if(pre == null){ Log.e("test", "can not return 0bject"); } else if(pre==myPresenter) Log.e("test", "single model"); else Log.e("test", "not single model"); new ClientClass(m); } }