解锁、唤醒屏幕用到KeyguardManager,KeyguardLock,PowerManager,PowerManager.WakeLock 所需权限: 代
解锁、唤醒屏幕用到KeyguardManager,KeyguardLock,PowerManager,PowerManager.WakeLock
所需权限:
代码如下:
<uses-permission Android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.DISABLE_KEYGUARD" />
代码如下:
//锁屏、唤醒相关
private KeyguardManager km;
private KeyguardLock kl;
private PowerManager pm;
private PowerManager.WakeLock wl;
private void wakeAndUnlock(boolean b)
{
if(b)
{
//获取电源管理器对象
pm=(PowerManager) getSystemService(Context.POWER_SERVICE);
//获取PowerManager.WakeLock对象,后面的参数|表示同时传入两个值,最后的是调试用的Tag
wl = pm.newWakeLock(PowerManager.ACQUIRE_CAUSES_WAKEUP | PowerManager.SCREEN_BRIGHT_WAKE_LOCK, "bright");
//点亮屏幕
wl.acquire();
//得到键盘锁管理器对象
km= (KeyguardManager)getSystemService(Context.KEYGUARD_SERVICE);
kl = km.newKeyguardLock("unLock");
//解锁
kl.disableKeyguard();
}
else
{
//锁屏
kl.reenableKeyguard();
//释放wakeLock,关灯
wl.release();
}
}
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本文标题: Android唤醒、解锁屏幕代码实例
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