Send.Bitmap=Bitmap1 not working. What am i doing wrong?

N

nad

Active Member
Licensed User
Longtime User
Hello,

I have a panel with some views. One of them is a imageview. When I click the imageview i want to change the star image (staron/staroff) but it is not working. What i am missing?

Any help appreciated.

Thanks a lot,


Sub imvStar_click
Dim send As ImageView
send=Sender


Dim Bitmap1 As Bitmap

Log("Fav("&send.Tag&")="&Favorito.Get(send.Tag))

If Favorito.Get(send.Tag)<>"1" Then
'ACTIVAMOS FAVORITO
'==================
Favorito.Set(send.Tag,"1")
Bitmap1.Initialize(File.DirAssets,"starOn.png")​

Else
'DESACTIVAMOS FAVORITO
'=====================
Favorito.Set(send.Tag,"0")
Bitmap1.Initialize(File.DirAssets,"starOff.png")​

End If
send.Bitmap=Bitmap1
SaveFavoritos​

End Sub​
 
Last edited:
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NJDude

Expert
Licensed User
Longtime User
You could just use a BOOLEAN variable to load the pic you want, for example:

B4X: 
If Variable = True Then

   Variable = False

   Load the On picture

Else

   Variable = True

   Load the Off picture

End If
 
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N

nad

Active Member
Licensed User
Longtime User
Thanks a lot for your reply!

I did not expain myself clearly. The problem is the following

Bitmap1.Initialize(File.DirAssets,"starOff.png")

send.Bitmap=Bitmap1

For some reason send.Bitmap=Bitmap1 is not working

Don't really care what is stored in the list, that part is working fine with 0 and 1 or boolean as you say

Cheers,
 
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N

nad

Active Member
Licensed User
Longtime User
Thanks!

I am not sure i understand you and where i am complicating it.

I am using a list (Favorito) because i have sliding panels you can move touching them. Everyone of them has a star. This star is disabled by default (staroff.png). When user clicks it, i want to enable it (loading the staron.png/staroff.png), store that in the list (don't really care if it is a list of boolean or a list of 1s and 0s) and saving the list to disk.

When user clicks the star, i try to get the sender and change the bitmap with staron/staroff but it is not working.

Really i don't see where would you include the boolean? I do not understand your idea.



B4X: 
Sub imvStar_click
   Dim send As ImageView
   send=Sender
   
   
   Dim Bitmap1 As Bitmap
   
   Log("F("&send.Tag&")="&Favorito.Get(send.Tag))
   
   If Favorito.Get(send.Tag)=False Then 
      'ACTIVAMOS FAVORITO
      '==================
      Favorito.Set(send.Tag,True)
      Bitmap1.Initialize(File.DirAssets,"star.png")
      
   Else
      'DESACTIVAMOS FAVORITO
      '=====================
      Favorito.Set(send.Tag,False)
      Bitmap1.Initialize(File.DirAssets,"star2.png")      
      
   End If

   send.Bitmap=Bitmap1
   SaveFavoritos

End Sub

I changed it as you say but it is also failing, the problem is not what i use to decide if activate or not, but the send.Bitmap=Bitmap1 that is not working

oh well i think it might be that the send.tag is not sending the correct number on the list


Cheers,
 
Last edited:
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N

nad

Active Member
Licensed User
Longtime User
This makes more sense, but still is not working. But now at least the Favorite is the same index number as the panel (changed send.tag by sd.currentpanel)

B4X: 
Sub imvStar_click
   Dim send As ImageView
   send=Sender
   
   
   Dim Bitmap1 As Bitmap
   
   Log("F("&sd.currentPanel&")="&Favorito.Get(sd.currentPanel))
   
   If Favorito.Get(sd.currentPanel)=False Then 
      'ACTIVAMOS FAVORITO
      '==================
      Favorito.Set(sd.currentPanel,True)
      Bitmap1.Initialize(File.DirAssets,"star.png")
      
   Else
      'DESACTIVAMOS FAVORITO
      '=====================
      Favorito.Set(sd.currentPanel,False)
      Bitmap1.Initialize(File.DirAssets,"star2.png")      
      
   End If

   send.Bitmap=Bitmap1
   SaveFavoritos

End Sub
 
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N

nad

Active Member
Licensed User
Longtime User
One thousand thanks for your help!!

You code works wonderfully but when i translate it to my code it is not working. I am using the Animation library. I am wondering if that is the reason it is not working.

(Dim sd As SlidingData 'The object that holds the data for SlidingPanels)




B4X: 
Sub imvStar_click
   
   
   Dim bmap As Bitmap
   Dim pic As ImageView
   
   pic=Sender
   
   Log("F("&sd.currentPanel&")="&Favorito.Get(sd.currentPanel))
   
   If Favorito.Get(sd.currentPanel)=False Then 
      'ACTIVAMOS FAVORITO
      '==================
      Favorito.Set(sd.currentPanel,True)
      bmap.Initialize(File.DirAssets,"star.png")
      
   Else
      'DESACTIVAMOS FAVORITO
      '=====================
      Favorito.Set(sd.currentPanel,False)
      bmap.Initialize(File.DirAssets,"star2.png")      
      
   End If


   
   pic.Bitmap=bmap
   
   
   SaveFavoritos

End Sub


This is what i get in the log, so it is working fine, changing status every time i click the star for panels 0 and 1 but the image is not being updated

F(0)=false
Saved favorites
F(0)=true
Saved favorites
F(0)=false
Saved favorites
F(0)=true
Saved favorites
F(0)=false
Saved favorites
F(0)=true
Saved favorites
F(0)=false
Saved favorites
F(0)=true
Saved favorites
F(0)=false
Saved favorites
F(0)=true
Saved favorites
F(0)=false
Saved favorites
F(0)=true
Saved favorites
F(0)=false
Saved favorites
F(1)=true
Saved favorites
F(1)=false
Saved favorites
F(1)=true
Saved favorites
F(1)=false
Saved favorites
 
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N

nad

Active Member
Licensed User
Longtime User
Thanks to your hint i've found it and now it works :sign0060:

When initializing all the panels I was using only one imvStar.initialize("imvStar") and imvStar.tag inside a For so it was always passing as tag the last value of the for.

:BangHead:

Thanks a lot for your awesome help and the other animation library looks great, i have to change to that one in the future. I will try to post the app tomorrow in the shared apps thread

Cheers ;-) and thanks again !!
 
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