CODEWITHSUNDEEP
androidimagerotation
Cocuckalol
Cocuckalol

Reputation: 34

Android Rotate image/photo

I have a problem with the rotation of images.

I try:

        Matrix matrix = new Matrix();
    matrix.postRotate(90);   
    BitmapFactory.Options options=new BitmapFactory.Options();
    options.inSampleSize = 4;
    Bitmap pic = BitmapFactory.decodeFile(filePath, options);
    Bitmap rotatedPhoto = Bitmap.createBitmap(pic, 0, 0, pic.getWidth(), pic.getHeight(), matrix, true);
    photo.setImageBitmap(rotatedPhoto);

    try {
        stream = new FileOutputStream(filePath);
        rotatedPhoto.compress(CompressFormat.JPEG, 100 ,stream);
        }
    catch (FileNotFoundException e) {
        e.printStackTrace();
    }

Picture rotating, but the quality is very much lost. How do I solve this problem? How do I rotate the image without losing quality? Thank you!

Update: And how to rotate image without losing resolution?

Upvotes: 0

Views: 354

Answers (1)

Jasongiss
Jasongiss

Reputation: 278

I think your problem is arising because you are setting inSampleSize to 4. This means the returned image will be a factor of 4 smaller than the original image.

http://developer.android.com/reference/android/graphics/BitmapFactory.Options.html#inSampleSize

Try setting options.inSampleSize to 1 - does this help?

Be careful when dealing with images though - you have very little memory to play with in an Android app. Loading just a couple of large images into memory at once can often cause your app to crash.

Upvotes: 1

Related Questions