CODEWITHSUNDEEP
androidorientationexif
pbu
pbu

Reputation: 203

How to determine orientation of picture without ExifInterface?

I load an image into a bitmap and need to know the orientation of the taken picture (from camera) to show it correctly. The way to use the following code is working nice (since API Level 5), but what to do if android:minSdkVersion="4"? Is there another way?

ExifInterface exif = new ExifInterface(SourceFileName);     //Since API Level 5
String exifOrientation = exif.getAttribute(ExifInterface.TAG_ORIENTATION);

Upvotes: 0

Views: 12277

Answers (2)

Anh Duy
Anh Duy

Reputation: 81

Matrix matrix = new Matrix();

ExifInterface exifReader = new ExifInterface(filePath);

int orientation = exifReader.getAttributeInt(ExifInterface.TAG_ORIENTATION, -1);

if (orientation ==ExifInterface.ORIENTATION_NORMAL) {

// Do nothing. The original image is fine.
} else if (orientation == ExifInterface.ORIENTATION_ROTATE_90) {

       matrix.postRotate(90);

} else if (orientation == ExifInterface.ORIENTATION_ROTATE_180) {

       matrix.postRotate(180);

} else if (orientation == ExifInterface.ORIENTATION_ROTATE_270) {

       matrix.postRotate(270);

}

Upvotes: 7

Reno
Reno

Reputation: 33792

Easy implement your own exif reader

Then

Metadata metadata = JpegMetadataReader.readMetadata(new File(imagePath));
Directory jpegDirectory = metadata.getDirectory(JpegDirectory.class);
 int height = jpg.GetImageHeight();
 int width = jpg.GetImageWidth();

Upvotes: 2

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