Java tutorial
//package com.java2s; //License from project: Mozilla Public License import android.graphics.Bitmap; import android.graphics.Matrix; import android.graphics.drawable.BitmapDrawable; public class Main { /** * Rotate the image. * * @param drawable */ public static BitmapDrawable rotateImage(BitmapDrawable drawable, int degree) { Bitmap bitmap = drawable.getBitmap(); Matrix matrix = new Matrix(); matrix.postRotate(degree); Bitmap rotatedBMP = Bitmap.createBitmap(drawable.getBitmap(), 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true); return new BitmapDrawable(rotatedBMP); } }