With less than 25 lines of code, a light switch transition effect is shown:
Edit: A video demo link: video
You have to make sure that all resources are included:
Edit: A video demo link: video
B4X:
#Region Project Attributes
#ApplicationLabel: Light Switch
#VersionCode: 1
#VersionName:
'SupportedOrientations possible values: unspecified, landscape or portrait.
#SupportedOrientations: unspecified
#CanInstallToExternalStorage: False
#End Region
#Region Activity Attributes
#FullScreen: False
#IncludeTitle: True
#End Region
Sub Process_Globals
'
End Sub
Sub Globals
Private x As XmlLayoutBuilder
Private tButton As B4XView
Dim tButtonJO As JavaObject
Private image As B4XView
Dim imageJO As JavaObject
End Sub
Sub Activity_Create(FirstTime As Boolean)
x.LoadXmlLayout(Activity, "main")
image=x.GetView("image")
tButton=x.GetView("button")
Dim event As Object = tButton.As(JavaObject).CreateEventFromUI("android.view.View.OnClickListener","toggleBulb",Null)
tButton.As(JavaObject).RunMethod("setOnClickListener",Array(event))
End Sub
Private Sub toggleBulb_Event(MethodName As String, Args() As Object)
Dim drawable As JavaObject=(Me).As(JavaObject).InitializeStatic("android.graphics.drawable.TransitionDrawable")
imageJO=image.As(JavaObject)
drawable=imageJO.RunMethod("getDrawable",Null)
tButtonJO = tButton.As(JavaObject)
If tButtonJO.RunMethod("isChecked",Null) = True Then
drawable.RunMethod("startTransition",Array(1000))
Else
drawable.RunMethod("reverseTransition",Array(1000))
End If
End Sub
Last edited:
