Java tutorial
//package com.java2s; import android.graphics.Bitmap; import android.graphics.Matrix; public class Main { public static Bitmap rotateImage(Bitmap bitmap, int rotate) { if (rotate != 0) { // rotate Matrix m = new Matrix(); m.postRotate(rotate); Bitmap rotImage = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), m, true); bitmap.recycle(); System.gc(); return rotImage; } return bitmap; } }