Java tutorial
//package com.java2s; import android.graphics.Bitmap; import android.graphics.Matrix; import android.media.ExifInterface; public class Main { public static Bitmap getTotateBitmap(Bitmap bitmap, int orientation) { Matrix matrix = new Matrix(); switch (orientation) { case ExifInterface.ORIENTATION_ROTATE_90: { matrix.setRotate(90); bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true); } break; case ExifInterface.ORIENTATION_ROTATE_180: { matrix.setRotate(180); bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true); } break; case ExifInterface.ORIENTATION_ROTATE_270: { matrix.setRotate(270); bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true); } break; default: break; } return bitmap; } }