When I Update a Docment,but the liveQuery not change!

loongsun · November 21, 2017, 1:13am

when i develop android app in the android studio with DB019, i update a Document,but LiveQuery not change, ChangeListener isn’t called! i don’t know it is a bug of the DB019 or is my config error!

priya.rajagopal · November 21, 2017, 3:00am

Live Queries work in DB19. Make sure that the document change affects the results of the query.

Here is an example of how you would enable it (taken from our Travel Sample App)

github.com

couchbaselabs/mobile-travel-sample/blob/connect_sv/android/app/src/main/java/com/couchbase/travelsample/bookings/BookingsPresenter.java#L39


private final BookingsContract.View mBookingsView;


public BookingsPresenter(@NonNull BookingsContract.View bookingsView) {
    this.mBookingsView = bookingsView;
}


@Override
public void fetchUserBookings() {
    Database database = DatabaseManager.getDatabase();


    LiveQuery query = Query
        .select(SelectResult.expression(Expression.property("flights")))
        .from(DataSource.database(database))
        .where(
            Expression.property("username").equalTo("demo")
        ).toLive();


    query.addChangeListener(new LiveQueryChangeListener() {
        @Override
        public void changed(LiveQueryChange change) {
            ResultSet rows = change.getRows();

loongsun · December 11, 2017, 12:23pm

thanks ,i have resolved .

loongsun · December 13, 2017, 2:02pm

hi,priya.rajagopal. i have asked a issue on this forums (In My App with CB Lite DB020(Android), ConflictResolver is called endless loop during three device or much more!).do you have a temporal method avoid this bug. Because my app is running on my customers . i must resolve it now, thank you very much!

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When I Update a Docment,but the liveQuery not change!

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