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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.tests.connectivity.uid;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.os.StrictMode;
import android.util.Log;
import java.io.*;
import java.lang.Thread;
import java.net.HttpURLConnection;
import java.net.URL;
public class ConnectivityTestActivity extends Activity {
ConnectivityManager connectivityManager;
NetworkInfo netInfo;
public static final String TAG = "ConnectivityUIDTest";
private static final String RESULT = "result";
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
StrictMode.ThreadPolicy policy =
new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
}
public void onResume() {
super.onResume();
boolean conn = checkNow(this.getApplicationContext());
Intent returnIntent = new Intent();
returnIntent.putExtra(RESULT, conn);
setResult(RESULT_OK, returnIntent);
finish();
}
public boolean checkNow(Context con) {
try{
connectivityManager = (ConnectivityManager)
con.getSystemService(Context.CONNECTIVITY_SERVICE);
netInfo = connectivityManager.getActiveNetworkInfo();
return netInfo.isConnected() && httpRequest();
} catch(Exception e) {
Log.e(TAG, "CheckConnectivity exception: ", e);
}
return false;
}
private boolean httpRequest() throws IOException {
URL targetURL = new URL("http://www.google.com/generate_204");
HttpURLConnection urlConnection = null;
try {
urlConnection = (HttpURLConnection) targetURL.openConnection();
urlConnection.connect();
int respCode = urlConnection.getResponseCode();
return (respCode == 204);
} catch (IOException e) {
Log.e(TAG, "Checkconnectivity exception: ", e);
}
return false;
}
}
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