/**
* 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;
}
<span style="font-size:18px;"> /**
* 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);
System.out.println("angle2=" + angle);
// 创建新的图片
Bitmap resizedBitmap = Bitmap.createBitmap(bitmap, 0, 0,
bitmap.getWidth(), bitmap.getHeight(), matrix, true);
return resizedBitmap;
}</span>
<span style="font-size:18px;">Bitmap cameraBitmap = BitmapFactory.decodeFile(SD_CARD_TEMP_DIR, bitmapOptions);
bitmap = cameraBitmap;
/**
* 把图片旋转为正的方向
*/
bitmap = ImageDispose.rotaingImageView(degree, bitmap);
upload(bitmap);</span>
BitmapFactory.Options bitmapOptions = new BitmapFactory.Options();
bitmapOptions.inSampleSize = 8;
File file = new File(SD_CARD_TEMP_DIR);
/**
* 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 = ImageDispose.readPictureDegree(file.getAbsolutePath());