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Android - How can I make my system overlay window have the same dimension on different screens

I made a system overlay window that always stays on top of other apps. The width of the screen is 'MATCH_PARENT' and I want from the height to cover a certain area of the screen but my problem is that the height won't be same on different screens.

Here is my code:

WindowManager.LayoutParams params = new WindowManager.LayoutParams(
                WindowManager.LayoutParams.MATCH_PARENT,
                1500,
                WindowManager.LayoutParams.TYPE_PHONE,
                WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL | WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN |
                        WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,
                PixelFormat.TRANSPARENT);

How can can I make that 1500p be the same on different screens? Thanks.

Solution

  • My problem was solved by tiny sunlight: 

    (int)(getResources().getDisplayMetrics().heightPixels* 0.8f)

    you have to replace the desired dimensions parameter with this and adjust the 0,8F to the desired measurements.