Android拍照后图片旋转问题

/**
 * 读取图片属性：旋转的角度
 * @param path 图片绝对路径
 * @return degree旋转的角度
 */
public static int readPictureDegree(String path) {
    int degree = 0;
    try {
        ExifInterface exifInterface = new ExifInterface(path);
        int orientation = exifInterface.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL);
        switch (orientation) {
            case ExifInterface.ORIENTATION_ROTATE_90:
                degree = 90;
                break;
            case ExifInterface.ORIENTATION_ROTATE_180:
                degree = 180;
                break;
            case ExifInterface.ORIENTATION_ROTATE_270:
                degree = 270;
                break;
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    return degree;
}

/**
 * 旋转图片
 *
 * @param angle
 * @param bitmap
 * @return Bitmap
 */
public static Bitmap rotaingImageView(int angle, Bitmap bitmap) {
    //旋转图片 动作
    Matrix matrix = new Matrix();
    matrix.postRotate(angle);
    // 创建新的图片
    Bitmap resizedBitmap = Bitmap.createBitmap(bitmap, 0, 0,
            bitmap.getWidth(), bitmap.getHeight(), matrix, true);
    return resizedBitmap;
}

//获取图片的旋转角度，有些系统把拍照的图片旋转了，有的没有旋转
    int degree = AppUtils.readPictureDegree(mPicPath);
    BitmapFactory.Options opts=new BitmapFactory.Options();//获取缩略图显示到屏幕上
    opts.inSampleSize = 2;
    Bitmap cbitmap = BitmapFactory.decodeFile(mPicPath,opts);
//把图片旋转为正的方向
    Bitmap resultBitmap = AppUtils.rotaingImageView(degree, cbitmap);