Java tutorial
//package com.java2s; import android.graphics.Bitmap; import android.graphics.Matrix; public class Main { public static Bitmap rotateImage(Bitmap src, float degree) { // create new matrix Matrix matrix = new Matrix(); // setup rotation degree matrix.postRotate(degree); Bitmap bmp = Bitmap.createBitmap(src, 0, 0, src.getWidth(), src.getHeight(), matrix, true); return bmp; } }