android情景模式切换的实现

1.startOpenTelActivity

package com.android.test.ui;

import android.app.Activity;
import android.os.Bundle;

public class startOpenTelActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
    }
}

2.main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <TextView
        android:id="@+id/txt1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="情景模式切换" />

</LinearLayout>

3.

package com.android.test.ui;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.widget.Toast;

public class startupReceiver extends BroadcastReceiver {

 @Override
 public void onReceive(Context arg0, Intent arg1) {
  
  if( arg1.getAction().equals("android.media.RINGER_MODE_CHANGED") )
  {
   Toast.makeText(arg0, "情景模式已切换", Toast.LENGTH_LONG).show();
  }
     Intent intent = new Intent(arg0,myService.class);
     intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
     arg0.startService(intent);
 }

}

4.

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.android.test.ui"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk android:minSdkVersion="10" />

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:name=".startOpenTelActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <receiver android:name=".startupReceiver">
             <intent-filter> 
                <action android:name="android.intent.action.BOOT_COMPLETED" /> 
                <action android:name="android.media.RINGER_MODE_CHANGED" />             
             </intent-filter> 
          
        </receiver>
         <service android:name=".myService" ></service> 
    </application>
   <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"></uses-permission>
</manifest>

 

5.

package com.android.test.ui;

import android.app.Service;
import android.content.Intent;
import android.os.IBinder;

public class myService extends Service{

 @Override
 public void onCreate() {
  // TODO Auto-generated method stub
  super.onCreate();
 }

 @Override
 public void onStart(Intent intent, int startId) {
  // TODO Auto-generated method stub
  super.onStart(intent, startId);
 }

 @Override
 public IBinder onBind(Intent intent) {
  // TODO Auto-generated method stub
  return null;
 }

}