Home | History | Annotate | Download | only in uid 
      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.tests.connectivity.uid;
     18 
     19 import android.app.Activity;
     20 import android.app.DownloadManager;
     21 import android.content.Context;
     22 import android.content.Intent;
     23 import android.content.pm.PackageManager;
     24 import android.net.ConnectivityManager;
     25 import android.net.NetworkInfo;
     26 import android.net.Uri;
     27 import android.os.Bundle;
     28 import android.os.Environment;
     29 import android.os.StrictMode;
     30 import android.util.Log;
     31 import android.webkit.MimeTypeMap;
     32 import android.webkit.URLUtil;
     33 import java.io.*;
     34 import java.net.HttpURLConnection;
     35 import java.net.URL;
     36 
     37 
     38 public class ConnectivityTestActivity extends Activity {
     39 
     40     Context mContext;
     41     ConnectivityManager mConnectivityManager;
     42     DownloadManager mDownloadManager;
     43 
     44     public static final String TAG = "ConnectivityUIDTest";
     45     private static final String RESULT = "result";
     46     private static final String URL = "url";
     47 
     48     public void onCreate(Bundle savedInstanceState) {
     49         super.onCreate(savedInstanceState);
     50         StrictMode.ThreadPolicy policy =
     51                 new StrictMode.ThreadPolicy.Builder().permitAll().build();
     52         StrictMode.setThreadPolicy(policy);
     53 
     54         mContext = this.getApplicationContext();
     55         mConnectivityManager = (ConnectivityManager)
     56                 mContext.getSystemService(Context.CONNECTIVITY_SERVICE);
     57         mDownloadManager = (DownloadManager)
     58                 mContext.getSystemService(Context.DOWNLOAD_SERVICE);
     59     }
     60 
     61     public void onResume() {
     62         super.onResume();
     63         boolean conn = checkNow();
     64         Intent returnIntent = new Intent();
     65         returnIntent.putExtra(RESULT, conn);
     66         setResult(RESULT_OK, returnIntent);
     67         Bundle extras = getIntent().getExtras();
     68         downloadData(extras);
     69         finish();
     70     }
     71 
     72     private boolean checkNow() {
     73         try{
     74             NetworkInfo netInfo = mConnectivityManager.getActiveNetworkInfo();
     75             return netInfo.isConnected() && httpRequest();
     76         } catch(Exception e) {
     77             Log.e(TAG, "CheckConnectivity exception: ", e);
     78         }
     79 
     80         return false;
     81     }
     82 
     83     private boolean httpRequest() {
     84         HttpURLConnection urlConnection = null;
     85         try {
     86             URL targetURL = new URL("http://www.google.com/generate_204");
     87             urlConnection = (HttpURLConnection) targetURL.openConnection();
     88             urlConnection.connect();
     89             int respCode = urlConnection.getResponseCode();
     90             return (respCode == 204);
     91         } catch (Exception e) {
     92             Log.e(TAG, "Checkconnectivity exception: ", e);
     93         }
     94         return false;
     95     }
     96 
     97     private void downloadData(Bundle extras) {
     98         if(extras == null)
     99             return;
    100         String url = extras.getString(URL);
    101         Log.d(TAG, "URL IS: " + url);
    102         DownloadManager.Request request =
    103                 new DownloadManager.Request(Uri.parse(url));
    104         request.setNotificationVisibility(
    105                 DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
    106         String name = URLUtil.guessFileName(
    107                 url, null, MimeTypeMap.getFileExtensionFromUrl(url));
    108         request.setDestinationInExternalPublicDir(
    109                 Environment.DIRECTORY_DOWNLOADS, name);
    110         mDownloadManager.enqueue(request);
    111     }
    112 }
    113