Java tutorial
//package com.java2s; import android.graphics.BitmapFactory; import android.util.Pair; public class Main { public static Pair<Integer, Integer> decodeDimensions(String path) { final BitmapFactory.Options options = new BitmapFactory.Options(); options.inJustDecodeBounds = true; BitmapFactory.decodeFile(path, options); return Pair.create(options.outWidth, options.outHeight); } }