Answers for "how to get height and width of screen in android programmatically"

android get screen width and height

DisplayMetrics displayMetrics = getResources().getDisplayMetrics();
float dpHeight = displayMetrics.heightPixels / displayMetrics.density;
float dpWidth = displayMetrics.widthPixels / displayMetrics.density;
Log.d("MyHeight", dpHeight+"");
Log.d("MyWidth", dpWidth+"");