Java tutorial
//package com.java2s; import android.content.Context; import android.util.DisplayMetrics; import android.view.WindowManager; public class Main { public static float getScreenDensity(Context context) { try { DisplayMetrics dm = new DisplayMetrics(); WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); manager.getDefaultDisplay().getMetrics(dm); return dm.density; } catch (Exception ex) { } return 1.0f; } }