判断银屏是否锁定

AndroidManifest.xml加两个权限  <uses-permission android:name="android.permission.DISABLE_KEYGUARD"></uses-permission>  <uses-permission android:name="android.permission.WAKE_LOCK"></uses-permission>  

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public static boolean isWallPaperLocked(Context context) {		KeyguardManager keyguardManager = (KeyguardManager) context				.getSystemService(context.KEYGUARD_SERVICE);		return keyguardManager.inKeyguardRestrictedInputMode();	}

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