Java tutorial
//package com.java2s; import android.graphics.Bitmap; import android.graphics.Matrix; public class Main { public static Bitmap create180RotatedBitmap(Bitmap srcbmp, Bitmap.Config config) { Matrix m = new Matrix(); m.postRotate(180.0F); Bitmap newBmp = Bitmap.createBitmap(srcbmp, 0, 0, srcbmp.getWidth(), srcbmp.getHeight(), m, true); return newBmp; } }