Android实现带页面切换的锁屏功能

 @Override
 public void onCreate() {
  super.onCreate();
  mContext = getApplicationContext();
  //管理打开的窗口程序
  mWinMng = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
  i = new Intent(mContext, MyService.class);
  i.setAction(MyService.LOCK_ACTION);
  zdLockIntent = new Intent(MyService.this , MyService.class);
  //设置此状态，首先会查找是否存在和被启动的Activity具有相同的亲和性的任务栈
  zdLockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
  /*注册广播*/
  IntentFilter mScreenOnFilter = new IntentFilter("android.intent.action.SCREEN_ON");
  MyService.this.registerReceiver(mScreenOnReceiver, mScreenOnFilter);
  /*注册广播*/
  IntentFilter mScreenOffFilter = new IntentFilter("android.intent.action.SCREEN_OFF");
  MyService.this.registerReceiver(mScreenOffReceiver, mScreenOffFilter);
 }

@Override
 public int onStartCommand(Intent intent, int flags, int startId) {

  if(intent!=null){
   String action = intent.getAction();
   if(TextUtils.equals(action, LOCK_ACTION))
    //锁屏添加view
    addView();
   else if(TextUtils.equals(action, UNLOCK_ACTION))
   { //解屏移除view
    removeView();
   }
  }
  return Service.START_STICKY;
 }

@Override
 public void onDestroy(){
  super.onDestroy();
  MyService.this.unregisterReceiver(mScreenOnReceiver);
  MyService.this.unregisterReceiver(mScreenOffReceiver);
  //在此重新启动
  startService(new Intent(MyService.this, MyService.class));
 }

//屏幕变亮的广播,我们要隐藏默认的锁屏界面
 private BroadcastReceiver mScreenOnReceiver = new BroadcastReceiver(){

  @Override
  public void onReceive(Context context , Intent intent) {

   Log.i(TAG, intent.getAction());

   if(intent.getAction().equals("android.intent.action.SCREEN_ON")){
    //键盘锁的服务
    mKeyguardManager = (KeyguardManager)context.getSystemService(Context.KEYGUARD_SERVICE);
    mKeyguardLock = mKeyguardManager.newKeyguardLock("zdLock 1");
    mKeyguardLock.disableKeyguard();
    startService(i);

   }
  }

 };
  //屏幕变暗/变亮的广播 ， 我们要调用KeyguardManager类相应方法去解除屏幕锁定
 private BroadcastReceiver mScreenOffReceiver = new BroadcastReceiver(){
  @Override
  public void onReceive(Context context , Intent intent) {
   String action = intent.getAction() ;

   Log.i(TAG, intent.toString());

   if(action.equals("android.intent.action.SCREEN_OFF")
     || action.equals("android.intent.action.SCREEN_ON") ){
    mKeyguardManager = (KeyguardManager)context.getSystemService(Context.KEYGUARD_SERVICE);
    mKeyguardLock = mKeyguardManager.newKeyguardLock("zdLock 1");
    mKeyguardLock.disableKeyguard();
    startService(i);
   }
  }
};

<uses-permission android:name="android.permission.DISABLE_KEYGUARD" /><!-- 屏蔽HOME键需要的权限 -->
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.DISABLE_KEYGUARD" />
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />