Java tutorial
//package com.java2s; import android.graphics.Bitmap; import android.graphics.Matrix; public class Main { public static Bitmap getRotateBitmap(Bitmap bitmap, int rotation) { if (null == bitmap || bitmap.isRecycled()) { return null; } Matrix matrix = new Matrix(); matrix.postRotate(rotation); Bitmap cropBitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, false); return cropBitmap; } }