屏幕锁屏(长时间无反应,跳出屏保)

首先先定义一个service  别忘了注册哦

 

package com.Hisense.service;

import java.util.List;

import android.app.ActivityManager;
import android.app.KeyguardManager;
import android.app.KeyguardManager.KeyguardLock;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.IBinder;
import android.util.Log;

import com.Hisense.consant.Constant;
import com.Hisense.hisense_video.AutoPictureActivity;
import com.Hisense.hisense_video.AutoVideoActivity;

public class MyService extends Service  {
 KeyguardManager mKeyguardManager = null;
 KeyguardLock mKeyguardLock = null;
 int meidatype;
 
 @Override
 public void onCreate() {
  // TODO Auto-generated method stub
  super.onCreate();
  Log.d("mytest","mediatyoe11"+Constant.MEDIATYPE);
  mKeyguardManager = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
  mKeyguardLock = mKeyguardManager.newKeyguardLock("");
  mKeyguardLock.disableKeyguard();
  BroadcastReceiver mMasterResetReciever = new BroadcastReceiver() {
   public void onReceive(Context context, Intent intent) {
    Log.d("mytest","mediatyoe"+Constant.MEDIATYPE);
    try {
     if(Constant.MEDIATYPE==1){
     Intent i = new Intent();
     i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
     i.setClass(MyService.this, AutoVideoActivity.class);
     context.startActivity(i);
      Log.d("mytest","启动activity");
     // finish();
     Log.i("BroadcastReceiver","BroadcastReceiver");
     }else if(Constant.MEDIATYPE==2){
      Intent i = new Intent();
      i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
      i.setClass(MyService.this, AutoPictureActivity.class);
      context.startActivity(i);
     }
    } catch (Exception e) {
     Log.i("Output:", e.toString());
    }
   }
  };
  registerReceiver(mMasterResetReciever, new IntentFilter(
    Intent.ACTION_SCREEN_OFF));
 
 }
 @Override
 @Deprecated
 public void onStart(Intent intent, int startId) {}
  @Override
 public IBinder onBind(Intent intent) {
  // TODO Auto-generated method stub
  return null;
 }
}
在次服务里注册了一个广播 ,该广播用于接受屏幕长时间无操作休眠( screen_off)的事件,所以此时屏幕已经熄灭,你得强制启动activity(就是你所写的屏保activity),让屏幕跳出你的屏保画面

这是你的屏保界面:

 

package com.pingbao;
//Download by http://down.liehuo.net
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Window;
import android.view.WindowManager;
import android.widget.ArrayAdapter;

public class ZyScreenSaver extends Activity {
 @Override
 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  requestWindowFeature(Window.FEATURE_NO_TITLE);
  getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
    WindowManager.LayoutParams.FLAG_FULLSCREEN);

  setContentView(R.layout.main);
  Log.i("MyScreenSaver", "我是屏保");

 }

 

 

 

 

最后只要写一个mainactivity来启动服务就行了

 

 

 

package com.pingbao;

//Download by http://down.liehuo.net

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.Window;
import android.view.WindowManager;

public class Zypingbao extends Activity {
 
 @Override
 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);
  Log.i("pingbao","pingbao");
  Intent mService=new Intent(Zypingbao.this,ZyScreenService.class);//启动服务
  mService.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
  startService(mService);
  
  
 }
}

 

 }