Info about +1 code

A

Asmoro

Active Member
Licensed User
Longtime User
Hi All,

I'm examine an error in FlickrView demo.

If I have a sub:

B4X: 
Sub ImageUrlDone (Url As String)
   ivs(ImageIndex).Bitmap = HttpUtils.GetBitmap(Url)
   ivs(ImageIndex).Gravity = Gravity.FILL
   ImageIndex = ImageIndex + 1
End Sub

What the +1 means in this case, cause the error log says:

java.lang.ArrayIndexOutOfBoundsException
Click to expand...


If I delete the +1: all the images quickly went by.
And -1: one image will be displayed.

So why the +1 is working on the original FlickrView demo and
not in my Flickr test demo, causing an error.

The differences between the two are fetching the web url and "links.add"
 
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pluton

Active Member
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Longtime User
The error is here

ArrayIndexOutOfBoundsException

What is in your Array(). How many fields?
How many images do you fetching?
If I understood correct you have changed web url so it is not anymore flickr so you are trying to fetch maybe more images than is declared in array.
 
Last edited:
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A

Asmoro

Active Member
Licensed User
Longtime User
Hi Pluton,

Thanks helping me out.

It seems that the original FlickrView demo have 9 imageviews
in an array.

So I made a row of 3 x 3 on the website, and no errors came out.

Now I have to find out how to fetch another page with different images.
 
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