FLAG_SECURE
Added in API level 1
public static final int FLAG_SECURE
Window flag: treat the content of the window as secure, preventing it from appearing in screenshots or from being viewed on non-secure displays.
See Display.FLAG_SECURE for more details about secure surfaces and secure displays.
Constant Value: 8192 (0x00002000)
https://developer.android.com/reference/android/view/WindowManager.Layo…