1 package com.example.metrox.broadcastreceiver1;
2
3 import android.content.Intent;
4 import android.content.IntentFilter;
5 import android.provider.Settings;
6 import android.support.v7.app.AppCompatActivity;
7 import android.os.Bundle;
8 import android.view.View;
9 import android.widget.EditText;
10
11 public class MainActivity extends AppCompatActivity {
12 EditText et;
13 private MyReceiver myReceiver = null;
14 @Override
15 protected void onCreate(Bundle savedInstanceState) {
16 super.onCreate(savedInstanceState);
17 setContentView(R.layout.activity_main);
18 et = (EditText) findViewById(R.id.editText);
19 findViewById(R.id.btnSendMessage).setOnClickListener(new View.OnClickListener() {
20 @Override
21 public void onClick(View view) {
22 // Intent intent = new Intent(MainActivity.this,MyReceiver.class);
23 Intent intent = new Intent(MyReceiver.ACTION);
24 intent.putExtra("data","这是发送到广播接收器的信息" + et.getText().toString() );
25 //sendBroadcast(intent);
26 sendOrderedBroadcast(intent,null);
27 }
28 });
29
30 findViewById(R.id.btnRegReciver).setOnClickListener(new View.OnClickListener() {
31 @Override
32 public void onClick(View view) {
33 if(myReceiver == null){
34 myReceiver = new MyReceiver();
35 registerReceiver(myReceiver,new IntentFilter(myReceiver.ACTION));
36 System.out.println("Register");
37 }
38 }
39 });
40
41 findViewById(R.id.btnUnRegReciver).setOnClickListener(new View.OnClickListener() {
42 @Override
43 public void onClick(View view) {
44 if(myReceiver != null){
45 unregisterReceiver(myReceiver);
46 System.out.println("UnRegister");
47 myReceiver = null;
48 }
49 }
50 });
51 }
52 }
1 package com.example.metrox.broadcastreceiver1;
2
3 import android.content.BroadcastReceiver;
4 import android.content.Context;
5 import android.content.Intent;
6
7 public class MyReceiver extends BroadcastReceiver {
8 public static final String ACTION = "com.example.metrox.broadcastreceiver1.intent.action.MyReceiver";
9 public MyReceiver() {
10 }
11
12 @Override
13 public void onReceive(Context context, Intent intent) {
14 // System.out.println("已接收到信息,接收到的内容是" + intent.getStringExtra("data"));
15 System.out.println("MyReciver 接收到了信息");
16 }
17 }
1 package com.example.metrox.broadcastreceiver1;
2
3 import android.content.BroadcastReceiver;
4 import android.content.Context;
5 import android.content.Intent;
6
7 public class MyReceiver1 extends BroadcastReceiver {
8 public MyReceiver1() {
9 }
10
11 @Override
12 public void onReceive(Context context, Intent intent) {
13 System.out.println("MyReciver1接收到了信息");
14 abortBroadcast();
15 }
16 }
1 <?xml version="1.0" encoding="utf-8"?> 2 <manifest xmlns:android="http://schemas.android.com/apk/res/android" 3 package="com.example.metrox.broadcastreceiver1"> 4 5 <application 6 android:allowBackup="true" 7 android:icon="@mipmap/ic_launcher" 8 android:label="动态注册广播接收器" 9 android:supportsRtl="true" 10 android:theme="@style/AppTheme"> 11 <activity android:name=".MainActivity"> 12 <intent-filter> 13 <action android:name="android.intent.action.MAIN" /> 14 15 <category android:name="android.intent.category.LAUNCHER" /> 16 </intent-filter> 17 </activity> 18 19 <receiver 20 android:name=".MyReceiver" 21 android:enabled="true" 22 android:exported="true"> 23 <intent-filter android:priority="5"> 24 <action android:name="com.example.metrox.broadcastreceiver1.intent.action.MyReceiver" /> 25 </intent-filter> 26 </receiver> 27 <receiver 28 android:name=".MyReceiver1" 29 android:enabled="true" 30 android:exported="true"> 31 <intent-filter android:priority="8"> 32 <action android:name="com.example.metrox.broadcastreceiver1.intent.action.MyReceiver" /> 33 </intent-filter> 34 </receiver> 35 </application> 36 37 </manifest>
1 <?xml version="1.0" encoding="utf-8"?> 2 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 xmlns:tools="http://schemas.android.com/tools" 4 android:layout_width="match_parent" 5 android:layout_height="match_parent" 6 android:paddingBottom="@dimen/activity_vertical_margin" 7 android:paddingLeft="@dimen/activity_horizontal_margin" 8 android:paddingRight="@dimen/activity_horizontal_margin" 9 android:paddingTop="@dimen/activity_vertical_margin" 10 tools:context="com.example.metrox.broadcastreceiver1.MainActivity"> 11 12 <TextView 13 android:layout_width="wrap_content" 14 android:layout_height="wrap_content" 15 android:text="Hello World!" 16 android:id="@+id/textView" /> 17 18 <EditText 19 android:layout_width="match_parent" 20 android:layout_height="wrap_content" 21 android:id="@+id/editText" 22 android:layout_below="@+id/textView" 23 android:layout_alignParentLeft="true" 24 android:layout_alignParentStart="true" /> 25 26 <Button 27 android:layout_width="wrap_content" 28 android:layout_height="wrap_content" 29 android:text="发送信息" 30 android:id="@+id/btnSendMessage" 31 android:layout_below="@+id/editText" 32 android:layout_alignParentLeft="true" 33 android:layout_alignParentStart="true" /> 34 35 <Button 36 android:layout_width="wrap_content" 37 android:layout_height="wrap_content" 38 android:text="注册接收器" 39 android:id="@+id/btnRegReciver" 40 android:layout_below="@+id/btnSendMessage" 41 android:layout_alignParentLeft="true" 42 android:layout_alignParentStart="true" 43 android:layout_marginTop="60dp" /> 44 45 <Button 46 android:layout_width="wrap_content" 47 android:layout_height="wrap_content" 48 android:text="注销接收器" 49 android:id="@+id/btnUnRegReciver" 50 android:layout_below="@+id/btnRegReciver" 51 android:layout_alignParentLeft="true" 52 android:layout_alignParentStart="true" 53 android:layout_marginTop="68dp" /> 54 </RelativeLayout>
时间： 2024-11-05 06:12:40