Android: Disable ScreenShot

// This disables screen shot to be taken for current activity
if(android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
     getWindow().setFlags(LayoutParams.FLAG_SECURE, LayoutParams.FLAG_SECURE);
}

可以防止被Android硬體鍵ScreenShot!