Java tutorial
//package com.java2s; import android.content.Context; import android.util.DisplayMetrics; import android.view.Display; import android.view.WindowManager; public class Main { public static int px2dp(Context context, int px) { WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); Display display = wm.getDefaultDisplay(); DisplayMetrics displaymetrics = new DisplayMetrics(); display.getMetrics(displaymetrics); return (int) (px / displaymetrics.density + 0.5f); } }