Java tutorial
//package com.java2s; //License from project: Open Source License import android.graphics.Bitmap; import android.graphics.Matrix; public class Main { public static Bitmap rotateBitmap(Bitmap sourceBitmap, float angleInDegrees) { if (angleInDegrees == 0) return sourceBitmap; Matrix matrix = new Matrix(); matrix.postRotate(angleInDegrees); return Bitmap.createBitmap(sourceBitmap, 0, 0, sourceBitmap.getWidth(), sourceBitmap.getHeight(), matrix, true); } }