屏蔽系统解锁

[android]代码库

package com.mosjoy.ad.zdlock;

import android.app.KeyguardManager;
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;

public class ZdLockService extends Service {

	private static String TAG = "ZdLockService";
	private Intent zdLockIntent = null;
	private KeyguardManager mKeyguardManager = null ;
	private KeyguardManager.KeyguardLock mKeyguardLock = null ;
	
	@Override
	public IBinder onBind(Intent arg0) {
		return null;
	}

	public void onCreate() {
		super.onCreate();
		zdLockIntent = new Intent(ZdLockService.this, MainLockActivity.class);
		zdLockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
		/* 注册广播 */
		IntentFilter mScreenOnFilter = new IntentFilter(
				"android.intent.action.SCREEN_ON");
		ZdLockService.this.registerReceiver(mScreenOnReceiver, mScreenOnFilter);
		/* 注册广播 */
		IntentFilter mScreenOffFilter = new IntentFilter(
				"android.intent.action.SCREEN_OFF");
		ZdLockService.this.registerReceiver(mScreenOffReceiver,
				mScreenOffFilter);
		ZdLockService.this.registerReceiver(mScreenOnReceiver, mScreenOnFilter);
		mKeyguardManager = (KeyguardManager)this.getApplicationContext().getSystemService(Context.KEYGUARD_SERVICE); 
		mKeyguardLock = mKeyguardManager.newKeyguardLock("zdLock 1"); 
	}

	public int onStartCommand(Intent intent, int flags, int startId) {
		return Service.START_STICKY;
	}

	public void onDestroy() {
		super.onDestroy();
		// 在此重新启动
		startService(new Intent(ZdLockService.this, ZdLockService.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")){
				Log.i(TAG, "----------------- android.intent.action.SCREEN_ON------");
//				mKeyguardManager = (KeyguardManager)context.getSystemService(Context.KEYGUARD_SERVICE);
//				mKeyguardLock = mKeyguardManager.newKeyguardLock("zdLock 1"); 
//				mKeyguardLock.disableKeyguard();
			}
		}
		
	};
	
	//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") ){
				/* 获取KeyGuardManager对象 */  
				mKeyguardLock.disableKeyguard();
				startActivity(zdLockIntent);
			}
		}
		
	};
}