Java tutorial
//package com.java2s; import android.annotation.SuppressLint; import android.app.Activity; import android.os.Build; import android.util.DisplayMetrics; public class Main { @SuppressLint("NewApi") public static float[] getRealWH(Activity activity) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { DisplayMetrics metrics = new DisplayMetrics(); activity.getWindowManager().getDefaultDisplay().getRealMetrics(metrics); int height = metrics.heightPixels; int width = metrics.widthPixels; float[] wh = { width, height }; return wh; } float[] aa = { 0, 0 }; return aa; } }