Here you can find the source of getDisplayHeight(Context context)
public static int getDisplayHeight(Context context)
//package com.java2s; //License from project: Open Source License import android.content.Context; import android.util.DisplayMetrics; import android.view.WindowManager; public class Main { private static int displayHeight = 0; public static int getDisplayHeight(Context context) { if (displayHeight <= 0) { WindowManager wm = (WindowManager) context .getApplicationContext().getSystemService( Context.WINDOW_SERVICE); DisplayMetrics dm = new DisplayMetrics(); wm.getDefaultDisplay().getMetrics(dm); displayHeight = dm.heightPixels; }/*w w w .j a v a 2 s. c o m*/ return displayHeight; } }