Java tutorial
//package com.java2s; import android.graphics.Bitmap; import android.graphics.Matrix; public class Main { public static Bitmap rotate(int rotateDegree, Bitmap originalBitmap) { Matrix matrix = new Matrix(); matrix.postRotate(rotateDegree); Bitmap rotateBitmap = Bitmap.createBitmap(originalBitmap, 0, 0, originalBitmap.getWidth(), originalBitmap.getHeight(), matrix, true); return rotateBitmap; } }