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It is only required when iterating over the elements with For Each....
link: There is a workaround for the nested maps: Dim m As Map = Main.srvr.CreateThreadSafeMap m =main...
link: Dim m As Map = Main.srvr.CreateThreadSafeMap This is the line missing in my code. Nested Thread...

some questions about ThreadSafeMap in a jServer environment: a Map that is loaded once with CreateMap(...) at startup and is used only with Get, does not need to be a ThreadSafeMap, correct? a Map...
link: See: https://www.b4x.com/android/forum/pages/results/?query=ThreadSafeMap ???...
link: /android/forum/pages/results/?query=ThreadSafeMap and In Java, ConcurrentHashMap is a class...
link: In B4J, a Java-based development environment, there is no specific class called ThreadSafeMap like...

Thank you guys, I have read that article but I'm still confused: I create a Public ThreadSafeMap in the main code and then ? How to lock the map between a get and a put ? How can the second thread know that I have finished or I'm still working with the map ?...
link: ThreadSafeMap in the main code and then ? How to lock the map between a get and a put ? How can the second...
link: a ThreadSafeMap enables safe iteration of the values or keys by means of the Values and Keys methods in...

isplay the error and debug logs in an html page with b4j_ws.js On the chat example. Erel shows how to store Websockets sessions in a map. Those being able to call them whenever an event happens. The idea is simple. Create a ThreadSafeMap Add the session to this map Every time an error occurs, call a function asynchronously triggering an updated on such websocket session by Asynchronous i mean CallsubDelayed...

Just wanted to report that after quite a while I've been able to implement the solution #1 based on ThreadSafeMap. It works nicely. Thank you again @OliverA for suggesting this!...
link: that you sent to B and B answer comes with that transaction ID You can use a ThreadSafeMap. In...

No. How are you tracking your connections via your ThreadsafeMap? At every connection... you remove WebSocket information from your ThreadsafeMap when a client times out instead of properly...
link: Should I do this? No. How are you tracking your connections via your ThreadsafeMap? At every...
link: I maintain a ThreadsafeMap in the Main Activity with an entry in the Map for each Instance...
link: I also created a third ThreadsafeMap which mapped the Wesocket connection's SessionID to...

://console.developers.google.com You need to enable Google Maps Android API. Then click on Credentials ->.../> ) - Add a MapFragment with the visual designer. It will appear under the CustomView menu. If you don't see it then make sure that the GoogleMaps library is selected. You can change the properties from the designer. Set the anchors to BOTH so the map will fill the activity: https... a reference to the GoogleMap object. Complete code: Sub Class_Globals Private Root As B4XView...

Android 4+ doesn't allow applications to make network calls on the main thread. There is a good... network calls with background threads. If you encounter a library that doesn't do it then you have two options: 1. Use the Threading library to start a background thread and make the calls from this thread. 2. Disable this check. The code posted here disables this check (it only calls public APIs and is safe to use): Sub DisableStrictMode Dim jo As JavaObject jo.InitializeStatic...

I store each object of the websoket class in a map initialized as a ThreadSafeMap. When I need to call a client method I iterate through the map objects and I call the sub of the websocket class that call the ws.RunFunction method ' in the Main Sub Process_Globals Public mapConnection As Map...") srv.Port = 51042 srv.Start mapConnection = srv.CreateThreadSafeMap tmrSeconds... = "somthing to trasmit retrived by a function"; For Each c As WebsocketConnection In mapConnection...

The latest version of Google Maps isn't compatible with JavaFX WebView. Don't use this library. Alternative solution: https://www.b4x.com/android/forum/threads/jsd_openmaps.166066/#content This library is similar to B4A and B4i GoogleMaps libraries. https://www.b4x.com/basic4android... with GoogleMaps JavaScript API V3. Using the map is quite simple. You need to initialize GoogleMap and then wait for the Ready event. GoogleMap.AsPane returns the pane that holds the map. You should add...