There isn't enough information here...
When exactly is it slow? All the time? When you type? After you work for several hours?
Have you tried to restart the PC?
You can use bmp.WriteToStream or File.Copy("ContentDir", uri, ...)
Share file: https://www.b4x.com/android/forum/threads/class-fileprovider-share-files.97865/#content
And to create a pdf document:
1. Change the Scan method to:
Public Sub Scan As ResumableSub
Dim options As JavaObject...
Add this code to the class to center the image:
Public Sub CenterImage(ZoomLevel As Float)
pnlBackground.SetLayoutAnimated(0, 0, 0, mBase.Width, mBase.Height)
ZoomChanged(pnl.Width / 2, pnl.Height / 2, ZoomLevel)
End Sub
Pass 1 for no zoom.
It looks like a problem with JSTouchImageView library. It probably includes classes that are also inside a dependent jar.
Better to post it here: https://www.b4x.com/android/forum/threads/jstouchimageview-library-pinch-pan-zoom-image.73236/page-2#posts
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