调用：
mScreenListener = new ScreenReceiverUtil(this);
		mScreenListener.setScreenReceiverListener( new ScreenReceiverUtil.SreenStateListener() {
			@Override
			public void onSreenOn() {
				ScreenManager.getScreenManagerInstance(MainActivity.this).finishActivity();
			}


			@Override
			public void onSreenOff() {
				ScreenManager.getScreenManagerInstance(MainActivity.this).startActivity();
			}


			@Override
			public void onUserPresent() {
				// 解锁，暂不用，保留
			}
		});
======================================================
     <activity android:name=".alive.onepx.SinglePixelActivity"
                  android:configChanges="keyboardHidden|orientation|screenSize|navigation|keyboard"
                  android:excludeFromRecents="true"
                  android:finishOnTaskLaunch="false"
                  android:launchMode="singleInstance"
                  android:theme="@style/SingleActivityStyle"/>
=======================================================
 <!--1像素Activity风格 @android:color/transparent-->
    <style name="SingleActivityStyle" parent="Theme.AppCompat.Light.NoActionBar">
        <item name="android:windowBackground">@null</item>
        <item name="android:windowFrame">@null</item>
        <item name="android:windowNoTitle">true</item>
        <item name="android:windowIsFloating">true</item>
        <item name="android:windowContentOverlay">@null</item>
        <item name="android:backgroundDimEnabled">false</item>
        <item name="android:windowAnimationStyle">@null</item>
        <item name="android:windowDisablePreview">true</item>
        <item name="android:windowNoDisplay">false</item>
    </style>
