广播BroadCastReceiver

一、Xml中

 

<<span style="color:#000080;font-weight:bold;">Button

android:id="@+id/mBtn1"

android:text="有序广播"

android:layout_width="match_parent"

android:layout_height="wrap_content" />

<<span style="color:#000080;font-weight:bold;">Button

android:id="@+id/mBtn2"

android:text="无序广播"

android:layout_width="match_parent"

android:layout_height="wrap_content" />

二、Activity中

public class MainActivity extends AppCompatActivity implements 

View.OnClickListener {

private Button mBtn1;

private Button mBtn2;

private CommonBroadCastReceiver receiver;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

initView();

initDate();

}

private void initDate() {

receiver = new CommonBroadCastReceiver();

IntentFilter filter = new IntentFilter("小鸡炖蘑菇");

registerReceiver(receiver,filter);

}

private void initView() {

mBtn1 = (Button) findViewById(R.id.mBtn1);

mBtn2 = (Button) findViewById(R.id.mBtn2);

mBtn1.setOnClickListener(this);

mBtn2.setOnClickListener(this);

}

@Override

public void onClick(View v) {

switch (v.getId()) {

case R.id.mBtn1:

Intent intent = new Intent("小鸡炖蘑菇");

intent.putExtra("key","有序广播");

sendBroadcast(intent);

break;

case R.id.mBtn2:

Intent intent1 = new Intent("小鸡炖蘑菇");

intent1.putExtra("key","无序广播");

sendOrderedBroadcast(intent1,null);

break;

}

}

 

@Override

protected void onDestroy() {

unregisterReceiver(receiver);

super.onDestroy();

}

}