Java tutorial
//package com.java2s; import android.graphics.Bitmap; import android.graphics.Matrix; public class Main { public static Bitmap rotateBmp(Bitmap bmp, int degree) { int w = bmp.getWidth(); int h = bmp.getHeight(); Matrix mtx = new Matrix(); mtx.postRotate(degree); Bitmap rotatedBMP = Bitmap.createBitmap(bmp, 0, 0, w, h, mtx, true); return rotatedBMP; } }