Java tutorial
//package com.java2s; //License from project: Open Source License import android.graphics.Bitmap; import android.graphics.Rect; public class Main { public static Bitmap resizeOuterFit(Bitmap src, Rect rect) { float aspectRatio = Math.max((float) rect.width() / src.getWidth(), (float) rect.height() / src.getHeight()); int newWidth = (int) (src.getWidth() * aspectRatio); int newHeight = (int) (src.getHeight() * aspectRatio); return Bitmap.createScaledBitmap(src, newWidth, newHeight, false); } }