Java tutorial
//package com.java2s; import android.content.Context; import android.net.ConnectivityManager; import android.util.Log; public class Main { private static final String TAG = "CommonUtils"; public static boolean checkConn(Context ctx) { ConnectivityManager conMgr = (ConnectivityManager) ctx.getSystemService(Context.CONNECTIVITY_SERVICE); if (conMgr.getNetworkInfo(conMgr.TYPE_MOBILE).isConnectedOrConnecting() || conMgr.getNetworkInfo(conMgr.TYPE_WIFI).isConnectedOrConnecting()) { Log.v(TAG, "Able to connect to the network"); return true; } else { Log.e(TAG, "Unable to connect to network"); } return false; } }