CODEWITHSUNDEEP
javaandroidweb-services
13KZ
13KZ

Reputation: 1335

How can I manage connection loss during the communication between my android application and the webservice?

I am working on android project which communicate with a webservice in order to receive datas and store them into the database.

Before the sending operation, I verify the connection state (see the code below) 

if (XXX.getInstance(Context).isOnline(Context)) 
{
//TODO Sending operation
}

But during this operation if the device is offline I lose datas though the HTTP status code is 200 or 201.

I manage before the operation but not during.

Is there a way to figure this out?

Upvotes: 0

Views: 217

Answers (1)

user2052706
user2052706

Reputation:

Use a broadcast receiver to constantly check the status of the connection.

First register the receiver in your onCreate() method:

registerReceiver(mReceiver, new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION));

Then write what you want to do when your desired signal has been discovered:

private BroadcastReceiver mReceiver = new BroadcastReceiver()
{
    public void onReceive(Context context, Intent intent)
    {
        cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
        netInfo = cm.getActiveNetworkInfo();

        if (netInfo != null && netInfo.isConnected()) 
        {
        //You are still connected
        }
        else
        {
        //You have lost connection
        }
    }
};

Make sure you unregister the receiver once you leave the activity (in the onDestroy()) method:

if (mReceiver != null)
{
    unregisterReceiver(mReceiver);
}

Upvotes: 1

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