安卓广播学习的demo

package com.example.testbroadcasetwo; import android.content.Intent; import android.content.IntentFilter; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.Button; import com.example.testbroadcasetwo.base.Config; public class MainActivity extends AppCompatActivity implements View.OnClickListener{ private Button btOne; private Button btTwo; private Button btThree; MyReiceiverThree myReiceiver = new MyReiceiverThree(); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); btOne = (Button) findViewById(R.id.bt_one); btTwo = (Button) findViewById(R.id.bt_two); btThree = (Button) findViewById(R.id.bt_three); btOne.setOnClickListener(this); btTwo.setOnClickListener(this); btThree.setOnClickListener(this); //动态注册，在当前activity的生命周期內运行 /*IntentFilter filter= new IntentFilter(Config.BC_ONE_ACTION); MyReiceiver myReiceiver = new MyReiceiver(); registerReceiver(myReiceiver,filter);*/ } @Override public void onClick(View view) { Intent intent = new Intent(); switch (view.getId()){ case R.id.bt_one: //发送普通广播 intent.setAction(Config.BC_ONE_ACTION); intent.putExtra("msg","这是普通广播"); sendBroadcast(intent); break; case R.id.bt_two: //有序广播 intent.setAction(Config.BC_TWO_ACTION); intent.putExtra("msg","这是有序广播"); sendOrderedBroadcast(intent,null); //其中第二个参数是设置权限，即接收器必须具有相应的权限才能正常接收到广播。 break; case R.id.bt_three: //异步广播 intent.setAction(Config.BC_THREE_ACTION); intent.putExtra("msg","这是异步广播"); sendStickyBroadcast(intent); //可以先发送 后注册 IntentFilter filter = new IntentFilter(Config.BC_THREE_ACTION); registerReceiver(myReiceiver, filter); break; } } @Override protected void onDestroy() { super.onDestroy(); unregisterReceiver(myReiceiver); } }