new WearGetText(MainActivity.this).get("http://example.com/text.txt", 
  new WearGetText.WearGetCallBack() {
    @Override
    public void onGet(String contents) {
        mTextView.setText(contents);
    }

    @Override
    public void onFail(final Exception e) {
        mTextView.setText(e.getMessage());
    }
});
new WearGetImage(MainActivity.this).get("https://example.com/image.png", 
  new WearGetImage.WearGetCallBack() {
    @Override
    public void onGet(Bitmap image) {
        mImageView.setImageBitmap(image);
    }

    @Override
    public void onFail(final Exception e) {
        mTextView.setText(e.getMessage());
    }
});