Android Question Delay function until animation done

ducphu · Sep 15, 2015

Hi all,

I have a Sub like this:

B4X:

Sub Check_Conditon as Boolean
'Check some conditions and return true/false
End Sub

Sub Do_Task
Do while Check_Condition
'Do some tasks which may change the "Check_Condition" output
'Also do some animations
Loop
End Sub

My problem is, when the Do loop is run the 1st time, everything is ok. But then when it loops into the 2nd time, all my animations from the 1st loop is still running and hence being restarted, or run wrongly. How can I solve this?

Erel · Sep 15, 2015

Please use [code]code here...[/code] tags when posting code.

Don't try to hold the main thread. It will not work. Use a timer instead.

ducphu · Sep 15, 2015

Hi Erel,
Can you teach me how I should put the timer into my code. Sorry I'm new to animation.

Erel · Sep 15, 2015

How are you implementing the animations? If you are using the Animation library then you can handle the Completed event.

If you are using SetLayoutAnimated then you need to create a timer and set its interval to be the same as the animation duration.

B4X:

Sub Process_Globals
   Private timer1 As Timer
End Sub

Sub Globals

End Sub

Sub Activity_Create(FirstTime As Boolean)
   Dim b As Button
   b.Initialize("")
   b.Text = "Sdf"
   Activity.AddView(b, 10dip, 10dip, 100dip, 100dip)
   b.SetLayoutAnimated(1000, 200dip, 200dip, 40dip, 40dip)
   timer1.Initialize("timer1", 1000)
   timer1.Enabled = True
End Sub

Private Sub Timer1_Tick
   Log("Animation completed!")
   timer1.Enabled = False   
End Sub

ducphu · Sep 15, 2015

I'm using nineoldandroids lib. In my sub Do_task, I have a (8,16) array of label. And base on some conditions I will set the animation to some of them. There are 2 kinds of animations, 1 is to scale the label, the others is to move the label. When the code run, it will check the label array for any label needed to be scaled, if have then do the scaling animation, then it will check again for any label needed to be moved and do the moving animation.

Android Question Delay function until animation done

ducphu

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Erel

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ducphu

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Erel

B4X founder

ducphu

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Android Question Delay function until animation done

ducphu

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