Java tutorial
//package com.java2s; import android.graphics.Bitmap; import android.graphics.Matrix; public class Main { public static Bitmap postRotateBitamp(Bitmap bmp, float degree) { int bmpWidth = bmp.getWidth(); int bmpHeight = bmp.getHeight(); Matrix matrix = new Matrix(); matrix.postRotate(degree); Bitmap resizeBmp = Bitmap.createBitmap(bmp, 0, 0, bmpWidth, bmpHeight, matrix, true); return resizeBmp; } }