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A library project to connect two devices using Wifi-Direct

License: Apache License 2.0

Java 100.00%
android android-library android-sdk broadcastreceiver data java receiver sender share wifi-connection wifi-direct wifip2pconnectioncallback-interface wrapper

wifi-connect's Issues

Failed to discover peers: WifiP2pDeviceList from onPeerAvailable has size of 0

Hi,
I am using two Google Pixel 2 phones to connect Wifi-direct to each other using your Wifi-Connect. If I manually check in Settings -> Network & Internet -> Wifi -> Wifi Preferences -> Advanced -> WiFi-Direct, I can discover peers and connect them.

Using your repo in my project, I followed the instructions and have all the required permissions granted. However, I cannot discover nearby peers and always see WifiP2pDeviceList returned from onPeerAvailable with the size of 0. FYI, the interfaces - onInitiateDiscovery() and onDiscoverySuccess() - are also called back.

Logo/icon for Wifi-Connect

Hello,
Good Day, i make a logo icon for your project. If you want to use this icon in your project, then comment below, I will give you the source file. And if you want a change, then tell me I will change.

wifi-connect-01

Peer connection failure

My code keeps going to onPeerConnectionFailure() calback.
Here it is -

` private WifiP2PServiceImpl wifiP2PService;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    wifiP2PService = new WifiP2PServiceImpl.Builder()
            .setSender(this)
            .setWifiP2PConnectionCallback(this)
            .build();
    wifiP2PService.onCreate();
}

@Override
public void onInitiateDiscovery() {
    Log.d("*****", "initiate discovery");
}

@Override
public void onDiscoverySuccess() {
    Log.d("*****", "discovery success");

}

@Override
public void onDiscoveryFailure() {
    Log.d("*****", "discovery failure");

}

@Override
public void onPeerAvailable(WifiP2pDeviceList wifiP2pDeviceList) {
    Log.d("*****", "peer available");

    ArrayList<WifiP2pDevice> devices = new ArrayList<>(wifiP2pDeviceList.getDeviceList());

    for(int i=0; i<devices.size(); i++){
        if(devices.get(i).deviceName.equals("Smart TV"))
            wifiP2PService.connectDevice(devices.get(i));
    }
}

@Override
public void onPeerStatusChanged(WifiP2pDevice wifiP2pDevice) {
    Log.d("*****", "peer status change");

}

@Override
public void onPeerConnectionSuccess() {
    wifiP2PService.startDataTransfer("Helllooo");
    Log.d("*****", "peer connection success");

}

@Override
public void onPeerConnectionFailure() {
    Log.d("*****", "peer connection failure");

}

@Override
public void onPeerDisconnectionSuccess() {
    Log.d("*****", "peer disconnection success");

}

@Override
public void onPeerDisconnectionFailure() {
    Log.d("*****", "peer disconnection failure");

}

@Override
public void onDataTransferring() {
    Log.d("*****", "data transferring");

}

@Override
public void onDataTransferredSuccess() {
    Log.d("*****", "data transferring success");

}

@Override
public void onDataTransferredFailure() {
    Log.d("*****", "data transferring failure");

}

@Override
public void onDataReceiving() {
    Log.d("*****", "data receiving");

}

@Override
public void onDataReceivedSuccess(String s) {
    Log.d("*****", "data receiving success");

}

@Override
public void onDataReceivedFailure() {
    Log.d("*****", "data receiving failure");

}

@Override
protected void onResume() {
    super.onResume();
    wifiP2PService.onResume();
}

@Override
protected void onStop() {
    super.onStop();
    wifiP2PService.onStop();
}`

Here is my receiver app code -

` private WifiP2PServiceImpl wifiP2PService;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    wifiP2PService = new WifiP2PServiceImpl.Builder()
            .setReceiver(this)
            .setWifiP2PConnectionCallback(this)
            .build();
    wifiP2PService.onCreate();
}

@Override
public void onInitiateDiscovery() {
    Log.d("*****", "initiate discovery");
}

@Override
public void onDiscoverySuccess() {
    Log.d("*****", "discovery success");

}

@Override
public void onDiscoveryFailure() {
    Log.d("*****", "discovery failure");

}

@Override
public void onPeerAvailable(WifiP2pDeviceList wifiP2pDeviceList) {
    Log.d("*****", "peer available");

}

@Override
public void onPeerStatusChanged(WifiP2pDevice wifiP2pDevice) {
    Log.d("*****", "peer status change");

}

@Override
public void onPeerConnectionSuccess() {
    Log.d("*****", "peer connection success");

}

@Override
public void onPeerConnectionFailure() {
    Log.d("*****", "peer connection failure");

}

@Override
public void onPeerDisconnectionSuccess() {
    Log.d("*****", "peer disconnection success");

}

@Override
public void onPeerDisconnectionFailure() {
    Log.d("*****", "peer disconnection failure");

}

@Override
public void onDataTransferring() {
    Log.d("*****", "data transferring");

}

@Override
public void onDataTransferredSuccess() {
    Log.d("*****", "data transferring success");

}

@Override
public void onDataTransferredFailure() {
    Log.d("*****", "data transferring failure");

}

@Override
public void onDataReceiving() {
    Log.d("*****", "data receiving");

}

@Override
public void onDataReceivedSuccess(String s) {
    Toast.makeText(MainActivity.this, s, Toast.LENGTH_SHORT).show();
    Log.d("*****", "data receiving success");
}

@Override
public void onDataReceivedFailure() {
    Log.d("*****", "data receiving failure");

}

@Override
protected void onResume() {
    super.onResume();
    wifiP2PService.onResume();
}

@Override
protected void onStop() {
    super.onStop();
    wifiP2PService.onStop();
}

`
Can you help me with the reason behind it?

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