읽기 EXIF에서 사용할 수, 그렇지 않으면 이미지의 폭이보다 큰 경우 확인할 수있는 빠른 수정을 위해 미디어 스토어 MediaStore
public static int getImageOrientation(Context context, String imagePath) {
int orientation = getOrientationFromExif(imagePath);
if(orientation <= 0) {
orientation = getOrientationFromMediaStore(context, imagePath);
}
return orientation;
}
private static int getOrientationFromExif(String imagePath) {
int orientation = -1;
try {
ExifInterface exif = new ExifInterface(imagePath);
int exifOrientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION,
ExifInterface.ORIENTATION_NORMAL);
switch (exifOrientation) {
case ExifInterface.ORIENTATION_ROTATE_270:
orientation = 270;
break;
case ExifInterface.ORIENTATION_ROTATE_180:
orientation = 180;
break;
case ExifInterface.ORIENTATION_ROTATE_90:
orientation = 90;
break;
case ExifInterface.ORIENTATION_NORMAL:
orientation = 0;
break;
default:
break;
}
} catch (IOException e) {
Log.e(LOG_TAG, "Unable to get image exif orientation", e);
}
return orientation;
}
private static int getOrientationFromMediaStore(Context context, String imagePath) {
Uri imageUri = getImageContentUri(context, imagePath);
if(imageUri == null) {
return -1;
}
String[] projection = {MediaStore.Images.ImageColumns.ORIENTATION};
Cursor cursor = context.getContentResolver().query(imageUri, projection, null, null, null);
int orientation = -1;
if (cursor != null && cursor.moveToFirst()) {
orientation = cursor.getInt(0);
cursor.close();
}
return orientation;
}
private static Uri getImageContentUri(Context context, String imagePath) {
String[] projection = new String[] {MediaStore.Images.Media._ID};
String selection = MediaStore.Images.Media.DATA + "=? ";
String[] selectionArgs = new String[] {imagePath};
Cursor cursor = context.getContentResolver().query(IMAGE_PROVIDER_URI, projection,
selection, selectionArgs, null);
if (cursor != null && cursor.moveToFirst()) {
int imageId = cursor.getInt(0);
cursor.close();
return Uri.withAppendedPath(IMAGE_PROVIDER_URI, Integer.toString(imageId));
}
if (new File(imagePath).exists()) {
ContentValues values = new ContentValues();
values.put(MediaStore.Images.Media.DATA, imagePath);
return context.getContentResolver().insert(
MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);
}
return null;
}
.. http://stackoverflow.com/a/7411824/294884 – Fattie
ExifInterface 당신을 위해 작동하지 않은 경우 내 솔루션을 읽어보십시오. http://stackoverflow.com/a/24969432/513413 – Hesam