1. F

    Android Question java.io.FileNotFoundException on File.WriteMap

    I have a pretty old app in B4A 5 that runs fine on older Android devices. I am trying to run it now an Android 11 and getting an error: java.io.FileNotFoundException: /storage/emulated/0/Android/data/MyAppName/files/MyAppName.config: open failed: ENOENT (No such file or directory) The code is...
  2. M

    Android Question Save Map with custom Type to file

    Hello everyone. I've a Map, that will be saved using File.WriteMap Dim m1 As Map = CreateMap("Version": AppVersion, _ "Thing1": -1, _ "Thing2": "", _ "Thing3": "", _...
  3. Hadi57

    Android Question how to get a List from Map after write and read the map.

    Probably a beginner problem. but i can't get a list in map after Write it and Read again. i get this error message: java.lang.ClassCastException: java.lang.String cannot be cast to java.util.List Dim mapSetting As Map mapSetting.Initialize Dim List1 As List...