Android Open Source - StravaFlow Auth Fragment

From Project

Back to project page StravaFlow.
License

The source code is released under:
MIT License
If you think the Android project StravaFlow listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package me.mattlogan.stravaflow.ui.fragment;
//  w ww  .j  av  a 2s .c o m
import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.WebView;
import android.webkit.WebViewClient;

import butterknife.ButterKnife;
import butterknife.InjectView;
import me.mattlogan.stravaflow.R;
import me.mattlogan.stravaflow.api.StravaApi;
import me.mattlogan.stravaflow.api.model.AuthResponse;
import me.mattlogan.stravaflow.api.util.ApiUtils;
import me.mattlogan.stravaflow.ui.activity.ActivitiesActivity;
import me.mattlogan.stravaflow.ui.activity.StravaApiInjector;
import retrofit.Callback;
import retrofit.RetrofitError;
import retrofit.client.Response;

public class AuthFragment extends BaseFragment {

    @InjectView(R.id.auth_webview) WebView authWebView;

    StravaApi stravaApi;

    public static AuthFragment newInstance() {
        return new AuthFragment();
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Activity activity = getActivity();
        if (activity instanceof StravaApiInjector) {
            stravaApi = ((StravaApiInjector) activity).getStravaApi();
        } else {
            throw new IllegalStateException("Activity must implement StravaApiInjector");
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {

        View view = inflater.inflate(R.layout.auth, container, false);
        ButterKnife.inject(this, view);
        setupWebView();
        return view;
    }

    void setupWebView() {
        String clientId = getResources().getString(R.string.client_id);
        String url = "https://www.strava.com/oauth/authorize?" +
                "client_id=" + clientId +
                "&response_type=code" +
                "&redirect_uri=http://localhost" +
                "&approval_prompt=force";

        authWebView.setWebViewClient(new WebViewClient() {
            @Override
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                Uri uri = Uri.parse(url);
                if (uri.getHost().equals("localhost")) {
                    if (uri.getQueryParameterNames().contains("error")) {
                        handleAccessDenied();
                    } else {
                        finishAuth(uri.getQueryParameter("code"));
                        return true;
                    }
                }
                return super.shouldOverrideUrlLoading(view, url);
            }
        });

        authWebView.loadUrl(url);
    }

    @Override
    protected String getTitle() {
        return getString(R.string.app_name);
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        stravaApi = getStravaFlowApp().getStravaApi();
    }

    void finishAuth(String code) {
        stravaApi.authenticate(ApiUtils.getAuthParams(getActivity(), code),
                new Callback<AuthResponse>() {

                    @Override
                    public void success(AuthResponse authResponse, Response response) {
                        saveAccessToken(authResponse.getAccessToken());
                        launchActivitiesActivity();
                    }

                    @Override
                    public void failure(RetrofitError error) {

                    }
                });
    }

    void handleAccessDenied() {
    }

    void saveAccessToken(String accessToken) {
        Activity activity = getActivity();
        if (activity != null) {
            getStravaFlowApp().saveAccessToken(accessToken);
        }
    }

    void launchActivitiesActivity() {
        Activity activity = getActivity();
        if (activity != null) {
            Intent intent = new Intent(activity, ActivitiesActivity.class);
            activity.startActivity(intent);
        }
    }
}
Java Source Code List
