Java tutorial
//package com.java2s; import android.content.Context; import android.view.WindowManager; public class Main { public static int formatPix(Context context, float pixValue) { int width = 720; return (int) Math.round(getScreenWidth(context) * 1.0 / width * pixValue); } public static int getScreenWidth(Context context) { WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); return wm.getDefaultDisplay().getWidth(); } }