Java tutorial
//package com.java2s; import android.graphics.Bitmap; import android.graphics.Matrix; public class Main { public static Bitmap roateImage(Bitmap mBitmap, float degree) { if (mBitmap.getWidth() > mBitmap.getHeight()) { Matrix matrix = new Matrix(); matrix.postRotate(degree); mBitmap = Bitmap.createBitmap(mBitmap, 0, 0, mBitmap.getWidth(), mBitmap.getHeight(), matrix, true); } return mBitmap; } }