iOS Question B4XSwitch position changing

[abarnett]

I am trying to change the b4xSwitch left and top position using b4xSwitch.mBase.Left & b4xSwitch.mBase.Top but despite the code being executed it does not always move on the screen. I have even tried placing it inside a panel but same effect.

 

[klaus]

Without seeing what exactly you have done, it's impossible to give a concrete advice.
Post a small project showing the problem, so we can look at it.

 

[abarnett]

Sub Process_Globals
    Private chkGeofence1 As B4XSwitch
End Sub
Private Sub Application_Start (Nav As NavigationController)
    MainPage.Initialize("PageMap")
    MainPage.RootPanel.Color = Colors.White
    MainPage.RootPanel.LoadLayout("main")
    MainPage.Title = "Products - Map"
    Starter.Initialize
    chkGeoFence1.mBase.Top = 5
End Sub

 

[abarnett]

The B4XSwitch is within a panel in the layout 'main' as customview-B4XSwitch

 

[klaus]

What size is the Panel?
As chkGeofence1 is a child of customview-B4XSwitch, when you change chkGeofence1.Top, the Top value is referenced according to the parent panels upper left corner.
If customview-B4XSwitch has the dimensions of chkGeofence1, then you should change customview-B4XSwitch.Top.

Again without knowing exactly what you have done, in detail, we need to guess it.

 

[abarnett]

unfortunately from within the code there is no property for chkGeofence1.Top it is only accessible from chkGeofence1.mBase.Top.

I have positioned it in the layout but when the layout is drawn it has moved and so i am trying to force it back to the correct position in code.

 

[klaus]

Please post your project or a small one showing the problem.
You posted already 4 posts and we still don't know what you have done and how !

 

[angel_]

Do you have 'Handle Resize Event' in false in Visual Designer?, Did you try put the code in Resize?

Private Sub page1_Resize (Width As Float, Height As Float)
chkGeoFence1.mBase.Top = 5
End Sub

 

[abarnett]

Thank you. Yes the Handle Resize Event is False. It does not work first time the applications loads the layout but subsequent refresh the same code works fine. Putting into a resize event clears the problem.

 

[Erel]

The resize event is explained in this video tutorial: https://www.b4x.com/etp.html?vimeography_gallery=1&vimeography_video=255731307

In most cases it is a mistake to uncheck "handle resize event" for the main layout.

Why do you need to move it from your code and not with the designer script?

 

[abarnett]

I do not want to move the items. When the layout first loads in the app, they have moved from the layout position. Image 1 is after the app has loaded, image 2 is after a page resize event. The font also changes in the swiftbutton, not done in code. Image 2 is as the layout designer shows.

 

[Erel]

Are you correctly using anchors?

 

[abarnett]

The anchors in the layout are all set for horizontal-left and Vertical-top.

Using B4i version 5.80

 

[Erel]

The anchors in the layout are all set for horizontal-left and Vertical-top.

This is the mistake.
The views at the bottom should be anchored to the bottom.

Start with the visual designer video tutorial: https://www.b4x.com/etp.html
Also check the "handle resize event" and delete the code in the Resize event.

 

[abarnett]

perfect

Many thanks