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androidsocket.ioandroid-6.0-marshmallowandroid-7.0-nougatsocket.io-java-client

After closing the screen, android closes socket connection in few minutes

I am implementing a real time taxi-hailing application with socket-io and in the implementation of driver application, we are dealing with socket problem. Even if the user closes the device screen, i just want to keep socket connection alive. Is there any specific permission for android?

Is there any suggestions about keeping the socket alive?

Sharing my permission lists. 

<uses-permission android:name="android.permission.DISABLE_KEYGUARD" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.CALL_PHONE" />
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.FLASHLIGHT"/>
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES"/>
<uses-permission android:name="ACCESS_WIFI_STATE"/>
<uses-permission android:name="ACCESS_NETWORK_STATE"/>
<uses-permission android:name="READ_PHONE_STATE"/>
<uses-permission android:name="SYSTEM_ALERT_WINDOW"/>
<uses-permission android:name="RECEIVE_BOOT_COMPLETED"/>
<uses-permission android:name="REQUEST_IGNORE_BATTERY_OPTIMIZATIONS"/>

And my socket connection and socket handling codes are below. For connection:

    public Observable<SocketConnection.State> connect(String customerId) {
    if (mUserId == null || mUserType == null) {
        return null;
    }
    if (mAddress == null) {
        mAddress = Constants.DEFAULT_SOCKET_ADDRESS;
    }
    mNamespace = Constants.DEFAULT_SOCKET_NAMESPACE;
    if (customerId != null) {
        mNamespace = Constants.CUSTOMER_SOCKET_NAMESPACE;
    }
    if (socket != null) {
        socket.disconnect();
        removeSocketListeners();
    }

    try {
        socket = IO.socket(mAddress + mNamespace, getOptions(customerId));
        setSocketListeners();
        startInternalPong();
    } catch (URISyntaxException e) {
        e.printStackTrace();
    }
    socket.connect();
    return mConnectionObservable;
}

For disconnect:

public Observable<SocketConnection.State> disconnect() {

    if (socket != null) {
        removeSocketListeners();
        socket.disconnect();
    }
    return mConnectionObservable;
}

Connection Observer:

    private Observable<SocketConnection.State> mConnectionObservable = Observable.create(new ObservableOnSubscribe<SocketConnection.State>() {

    @Override
    public void subscribe(final ObservableEmitter<SocketConnection.State> observableEmitter) throws Exception {
        mConnectionObservableEmitter = observableEmitter;

        observableEmitter.setCancellable(new Cancellable() {
            @Override
            public void cancel() throws Exception {
                mConnectionObservableEmitter = null;
            }
        });
    }

});
Solution

  • You should take a look at Android Bacgrkound Services.

    Also refer to these answers: