拦截有序广播
1.MainActivity
package cn.edu.bzu.orderedbroadcast;
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
public class MainActivity
extends AppCompatActivity {
@Override
protected void
onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
public void send(View view){
Intent intent= new Intent();
intent.setAction("Intercept_Stitch");
sendBroadcast(intent,null);
}
}
2.MyBroadcastReceiverOne
package cn.edu.bzu.orderedbroadcast;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
public class MyBroadcastReceiverOne
extends BroadcastReceiver {
public MyBroadcastReceiverOne() {
}
@Override
public void
onReceive(Context context, Intent intent) {
// TODO: This method is called when the BroadcastReceiver is receiving
// an Intent broadcast.
Log.i("MyBroadcastReceiverOne","自定义的广播接受者One,接受到了广播事件");
}
}
3.MyBroadcastReceiverThree
package cn.edu.bzu.orderedbroadcast;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
public class MyBroadcastReceiverThree
extends BroadcastReceiver {
public MyBroadcastReceiverThree() {
}
@Override
public void
onReceive(Context context, Intent intent) {
// TODO: This method is called when the BroadcastReceiver is receiving
// an Intent broadcast.
Log.i("MyBroadcastReceiverThree","自定义的广播接收者Three,接收到了广播事件");
}
}
MyBroadcastReceiverTwo
package cn.edu.bzu.orderedbroadcast;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
public class MyBroadcastReceiverTwo
extends BroadcastReceiver {
public MyBroadcastReceiverTwo() {
}
@Override
public void
onReceive(Context context, Intent intent) {
// TODO: This method is called when the BroadcastReceiver is receiving
// an Intent broadcast.
Log.i("MyBroadcastReceiverTwo","自定义的广播接受者Two,接受到了广播事件");
}
}
4.ExampleInstrumentedTest
package cn.edu.bzu.orderedbroadcast;
import android.content.Context;
import android.support.test.InstrumentationRegistry;
import android.support.test.runner.AndroidJUnit4;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.junit.Assert.*;
/**
* Instrumentation test, which will execute on an Android device.
*
* @see
<a href="http://d.android.com/tools/testing">Testing documentation</a>
*/
@RunWith(AndroidJUnit4.class)
public class ExampleInstrumentedTest {
@Test
public void
useAppContext() throws
Exception {
// Context of the app under test.
Context appContext = InstrumentationRegistry.getTargetContext();
assertEquals("cn.edu.bzu.orderedbroadcast", appContext.getPackageName());
}
}
5.ExampleUnitTest
package cn.edu.bzu.orderedbroadcast;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* Example local unit test, which will execute on the development machine (host).
*
* @see
<a href="http://d.android.com/tools/testing">Testing documentation</a>
*/
public class ExampleUnitTest {
@Test
public void
addition_isCorrect() throws
Exception {
assertEquals(4,
2 + 2);
}
}
6.activity_main.xml
<?xml version="1.0"
encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/stitch_one"
tools:context="cn.edu.bzu.orderedbroadcast.MainActivity">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:onClick="send"
android:text="发送有序广播"
android:paddingLeft="5dp"
android:paddingRight="5dp"
android:background="#FBFBFF"
android:textSize="20sp"
android:layout_marginTop="80dp"
android:id="@+id/button"
/>
</RelativeLayout>