Java tutorial
//package com.java2s; //License from project: Apache License import android.graphics.Bitmap; import android.graphics.Matrix; public class Main { public static Bitmap rotateBitmap(Bitmap bitmap, int degress, boolean needRecycle) { Matrix m = new Matrix(); m.postRotate(degress); Bitmap bm = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), m, true); if (needRecycle) { bitmap.recycle(); } return bm; } }