如何在我的应用程序中将图像从相机意图添加到ImageView

Question

I am trying to take an image in my app and then return that image to a imageview. It takes the image but doesn't return the image to my ImageView

Here is what I have done:

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    getActivity().setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
    View rootView = inflater.inflate(R.layout.fragment_images, container, false);

    imagev = (ImageView) rootView.findViewById(R.id.MyImages);
    imagev.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {

            Intent imageIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
            timeStamp = new SimpleDateFormat("ddMMMyyyy_HH:mm:ss").format(new Date());
            File imagesFolder = new File(Environment.getExternalStorageDirectory(), "My Taken Images");
            imagesFolder.mkdirs();
            image = new File(imagesFolder.getPath(), "Image_" + timeStamp + ".jpg");
            fileUri = Uri.fromFile(image);

            imageIntent.putExtra(MediaStore.EXTRA_OUTPUT, fileUri);
            startActivityForResult(imageIntent, TAKE_PICTURE);
        }
    });
    return rootView;
}

public void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (requestCode == TAKE_PICTURE && resultCode == RESULT_OK) {
            imageview = ThumbnailUtils.extractThumbnail(BitmapFactory.decodeFile(String.valueOf(fileUri), 512, 384);
            ExifInterface exif = null;
            try {
                exif = new ExifInterface(filep);
            } catch (IOException e) {
                e.printStackTrace();
            }
            int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, -1);
            if (orientation != -1) {
                switch (orientation) {
                    case ExifInterface.ORIENTATION_ROTATE_90:
                        rotate = 90;
                        break;
                    case ExifInterface.ORIENTATION_ROTATE_180:
                        rotate = 180;
                        break;
                    case ExifInterface.ORIENTATION_ROTATE_270:
                        rotate = 270;
                        break;
                    default:
                        rotate = 0;
                        break;
                }
            }
            Matrix matrix = new Matrix();
            matrix.postRotate(rotate);
            imagev.setImageBitmap(imageview);

        }
    }
}
}

What am I doing wrong here? Please help!

Thanks

Answer 1

You have at least three two problems here.

The reason you are not getting your result is that you are passing an invalid value to decodeFile() . decodeFile() takes a path; you are passing in a file:/// string. Either hold onto image from onCreateView() , or use getPath() on the Uri , to get the path to the file.

Also:

• You go through a lot of trouble to set up a Matrix , then never appear to use it.

• Starting an activity in onCreateView() is bizarre.