RotateImageUtil

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.media.ExifInterface;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

public class RotateImageUtil {

    private RotateImageUtil(){}
    
    private static RotateImageUtil rotateImageUtil;
    
    public static RotateImageUtil getInstance(){
        if (rotateImageUtil==null){
            return new RotateImageUtil();
        } 
        return rotateImageUtil;
    }

    public File getRotatedImageFile(String path,Context context) throws IOException {
        return saveBitmapToFileCache(rotateImage(path),context);
    }

    private File saveBitmapToFileCache(Bitmap bitmap, Context context) throws IOException {

        File imageFile = File.createTempFile( "JPEG_" , ".jpg" , context.getCacheDir() );
        OutputStream out = new FileOutputStream(imageFile);
        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, out);
        out.close();
        return imageFile;
    }

    private Bitmap rotateImage(String path) throws IOException {
        Bitmap bitmap = BitmapFactory.decodeFile(path);
        ExifInterface exif = new ExifInterface(path);
        int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_UNDEFINED);

        Matrix matrix = new Matrix();
        switch (orientation) {
            case ExifInterface.ORIENTATION_ROTATE_90:
                matrix.postRotate(90);
                break;
            case ExifInterface.ORIENTATION_ROTATE_180:
                matrix.postRotate(180);
                break;
            case ExifInterface.ORIENTATION_ROTATE_270:
                matrix.postRotate(270);
                break;
            default:
                break;
        }
        return bitmap;
    }
}