在开发程序的时候，有时会有唤醒屏幕并解锁屏幕的需求。
这个demo的作用是在进入主界面后30秒唤醒屏幕并解锁，仅供演示唤醒屏幕功能。
首先加入以下两个权限：
<uses-permission android:name="android.permission.WAKE_LOCK" /><uses-permission android:name="android.permission.DISABLE_KEYGUARD" />
然后是activity中的代码，唤醒并解锁屏幕
/** 代码唤醒屏幕demo* 程序执行后一段时间唤醒屏幕*/import android.app.Activity;import android.app.KeyguardManager;import android.app.KeyguardManager.KeyguardLock;import android.content.Context;import android.os.Bundle;import android.os.PowerManager;import android.util.Log;import android.view.Menu;public class MainActivity extends Activity {Context context = MainActivity.this;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);Thread wakeUpThread = new Thread(new WakeUpThread());wakeUpThread.start();}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);return true;}class WakeUpThread implements Runnable{@Overridepublic void run() {// TODO Auto-generated method stubtry {Thread.sleep(30*1000);//休眠一分钟//获取电源管理器对象Log.e("zhiyinqing","该开启屏幕了");PowerManager pm = (PowerManager)context.getSystemService(Context.POWER_SERVICE);PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.ACQUIRE_CAUSES_WAKEUP |PowerManager.SCREEN_DIM_WAKE_LOCK,"bright");wl.acquire(); //点亮屏幕//wl.release();//释放//屏幕解锁KeyguardManager km= (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);//得到键盘锁管理器对象KeyguardLock kl = km.newKeyguardLock("unLock");//参数是LogCat里用的Tagkl.disableKeyguard();} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}}
如果觉得《android唤醒屏幕并解锁》对你有帮助，请点赞、收藏，并留下你的观点哦！
