Java tutorial
/* * This file is part of AppLink <https://github.com/monossido/AppLink> * * AppLink is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * AppLink is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Project Lumire. If not, see <http://www.gnu.org/licenses/>. * */ package com.mono.applink; import java.io.IOException; import org.apache.http.HttpResponse; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.DefaultHttpClient; import android.app.Activity; import android.app.AlertDialog; import android.app.ProgressDialog; import android.content.ComponentName; import android.content.DialogInterface; import android.content.Intent; import android.content.DialogInterface.OnCancelListener; import android.net.Uri; import android.os.AsyncTask; import android.os.Bundle; public class Foursquare extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); final String url = getIntent().getData().toString(); if (url.contains("user"))//user with id { new FoursquareUser().execute(); } else if (url.contains("venue")) { new FoursquareVenue().execute(); } else { AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setMessage("Sorry, but this type of link is not currently supported"); builder.setOnCancelListener(new OnCancelListener() { public void onCancel(DialogInterface dialog) { finish(); } }); builder.setPositiveButton("Open in Browser", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { Intent i = new Intent(); i.setAction("android.intent.action.VIEW"); i.addCategory("android.intent.category.BROWSABLE"); i.setComponent(new ComponentName("com.android.browser", "com.android.browser.BrowserActivity")); i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); i.setData(Uri.parse(url)); startActivity(i); finish(); } }); AlertDialog alert = builder.create(); alert.show(); } } private class FoursquareUser extends AsyncTask<Void, Void, Void> { ProgressDialog dialog; Intent intent = new Intent(); @Override protected void onPreExecute() { dialog = ProgressDialog.show(Foursquare.this, "", "Loading. Please wait...", true); } @Override protected Void doInBackground(Void... params) { String user = getIntent().getData().toString().replaceAll("^.*user/", ""); intent.setClassName("com.joelapenna.foursquared", "com.joelapenna.foursquared.UserDetailsActivity"); intent.putExtra("com.joelapenna.foursquared.UserDetailsActivity.EXTRA_USER_ID", user); return null; } @Override protected void onPostExecute(Void params) { dialog.cancel(); finish(); startActivity(intent); } } private class FoursquareVenue extends AsyncTask<Void, Void, Void> { ProgressDialog dialog; Intent intent = new Intent(); @Override protected void onPreExecute() { dialog = ProgressDialog.show(Foursquare.this, "", "Loading. Please wait...", true); } @Override protected Void doInBackground(Void... params) { String venue = getIntent().getData().toString().replaceAll("^.*venue/", ""); intent.setClassName("com.joelapenna.foursquared", "com.joelapenna.foursquared.VenueActivity"); intent.putExtra("com.joelapenna.foursquared.VenueActivity.INTENT_EXTRA_VENUE_ID", venue); return null; } @Override protected void onPostExecute(Void params) { dialog.cancel(); finish(); startActivity(intent); } } public static HttpResponse simpleHttp(HttpGet HttpGet) { HttpResponse response = null; DefaultHttpClient client = new DefaultHttpClient(); try { response = client.execute(HttpGet); } catch (ClientProtocolException e) { } catch (IOException e) { } return response; } }