解决部分android手机照片被系统自动旋转90度

int degree = ImageUtil.getBitmapDegree(imageInfo.getImgSourcePath());
if(0 != degree)
ImageUtil.rotateBitmapByDegree(arg2, degree);

/**
* 读取图片的旋转的角度
*
* @param path
*            图片绝对路径
* @return 图片的旋转角度
*/  public static int getBitmapDegree(String path) {
int degree = 0;
try {
// 从指定路径下读取图片，并获取其EXIF信息      ExifInterface exifInterface = new ExifInterface(path);
// 获取图片的旋转信息      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;
}
/**
* 将图片按照某个角度进行旋转
*
* @param bm
*            需要旋转的图片
* @param degree
*            旋转角度
* @return 旋转后的图片
*/  public static Bitmap rotateBitmapByDegree(Bitmap bm, int degree) {
Bitmap returnBm = null;
// 根据旋转角度，生成旋转矩阵    Matrix matrix = new Matrix();
matrix.postRotate(degree);
try {
// 将原始图片按照旋转矩阵进行旋转，并得到新的图片      returnBm = Bitmap.createBitmap(bm, 0, 0, bm.getWidth(), bm.getHeight(), matrix, true);
} catch (OutOfMemoryError e) {
}
if (returnBm == null) {
returnBm = bm;
}
if (bm != returnBm) {
bm.recycle();
bm = null;
}
return returnBm;
}