Bug? Bug with runtimepermissions in android.jar (android 28)

Discussion in 'Bugs & wishlist' started by hatzisn, Oct 8, 2018.

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  1. hatzisn

    hatzisn Active Member Licensed User

    Hi everyone,

    I discovered something going wrong in runtimepermissions when reverting to android 28 (android.jar).

    I have two runtimepermissions "check and request" for Location in activity create sub and following these two I call a sub to locate position with GPS library and then if GPS location was not successful I locate with esLocation2 with network.

    Here is the code in Activity_Create:

    When I first install the app (Release obfuscated) it does not show the check for permission dialog and shows an error saying that the user has not permitted the use of its location when getting in the LocatePosition sub. If I start it with debug and set a breakpoint in the first runtime permission request then the permission dialog shows and by authorizing the permission everything works perfect.

    My B4A version is 7.80.

    Any suggestions?
    Thanks in advance
  2. DonManfred

    DonManfred Expert Licensed User

    you are not handling the result.
    Check the runtimepermission tutorial.

    also vheck GPS Tutorial. It is using RP.
  3. MarkusR

    MarkusR Well-Known Member Licensed User

    this CheckAndRequest will create an Event in Activity_...
    u can use Wait For to fetch this direct after your call CheckAndRequest

    i would like to see this syntax (a Wait For inside this CheckAndRequest)
    if rp.CheckAndRequest(rp.PERMISSION_ACCESS_FINE_LOCATION)=true then
  4. hatzisn

    hatzisn Active Member Licensed User

    Thank you both for replying...
    I created a sample project to test it and here is my code:

    #Region  Project Attributes

    Sub Process_Globals
    'These global variables will be declared once when the application starts.
        'These variables can be accessed from all modules.
        Dim rp As RuntimePermissions
    End Sub

    Sub Globals
    'These global variables will be redeclared each time the activity is created.
        'These variables can only be accessed from this module.
        Dim Button1 As Button
    Dim g As GPS
    Dim r As ESLocation2
    End Sub

    Sub Activity_Create(FirstTime As Boolean)
    'Do not forget to load the layout file created with the visual designer. For example:
    Dim bOk1 As Boolean
    Dim bOk2 As Boolean
    wait for Activity_PermissionResult (Permission As String, Result As Boolean)
            bOk1 = Result  
    End If

    wait for Activity_PermissionResult (Permission As String, Result As Boolean)
            bOk2 = Result
    End If
    If bOk1 And bOk2 Then
    ToastMessageShow("The user did not permit the use of its location."True)
    End If
    End Sub

    Sub LocatePosition
    Msgbox("Locating position.""Title")
    End Sub

    Sub es_Locationchanged (Longitude As Double, Latitude As Double, Altitude As Double, Accuracy As Float, Bearing As Float, Provider As String, Speed As Float, Time As Long)
    End Sub

    Sub gps_LocationChanged (Location1 As Location)
    End Sub

    Sub Activity_Resume

    End Sub

    Sub Activity_Pause (UserClosed As Boolean)

    End Sub
    What I get now is that it gets directly in the LocatePosition sub (bOk1 = true AND bOk2 = true - no pemission dialogs are shown). The previous app "B4A Example" with the packet "b4a.example" that I had installed and uninstalled it to install this app had requested this two permissions. Does it keep them even after uninstallation? Or is it a bug?

    Any suggestions are highly appreciated... For the record the app does not break now...
  5. MarkusR

    MarkusR Well-Known Member Licensed User

    i would not call LocatePosition in the Create sub.
    u should also check Location1.Accuracy in meters and Location1.AccuracyValid
    it take awhile after enabling gps until u get correct position data.
    u should use your own package name for each app.
    see permission manager app, there u should remove given permissions.
    test your app behaving also if the user not give permissions.
  6. hatzisn

    hatzisn Active Member Licensed User

    Thanks a lot MarkusR
    MarkusR likes this.
  7. hatzisn

    hatzisn Active Member Licensed User

    Sorry MarkusR, why wouldn't you call the LocatePosition in the Activity_Create sub?
    How would you call it?
  8. Erel

    Erel Administrator Staff Member Licensed User

    I don't see any bug here. For further discussion start a new thread in the questions forum.
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