API Key Proxy - modified photo requester

PhotoRequester.java

public class PhotoRequester {

    // ...
  
    public void getPhoto() throws IOException {

        // grab the current calendar date and back up one day for next request

        final String date = mDateFormat.format(mCalendar.getTime());
        mCalendar.add(Calendar.DAY_OF_YEAR, -1);

        // build and call the request

        String urlRequest = mContext.getString(R.string.api_url) +
                BASE_PATH + DATE_PARAMETER + date;
        
        /*    ************ REMOVE API_KEY FROM urlRequest *************
        urlRequest += API_KEY_PARAMETER + mContext.getString(R.string.api_key);
        */
        
        final Request request = new Request.Builder().url(urlRequest).build();
        mLoadingData = true;

        mClient.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
              // ...
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
              // ...
            }
        });
    }
}