Android Question Scalling view like WebView by fingers

Sergio Luchi · Oct 8, 2021

Hello everyone!
The webview has the ability to change the size of the visible content with gestures. I found how to do this with a web page or database table. Similar soluthin I found for images. Is there a similar tool for regular layout or B4X pages? Just load and use, but if looks small - resize by fingers move?

Erel · Oct 10, 2021

Native layouts are not zoomable. You can check ZoomImageView code and modify it to resize views instead of the ImageView. It will not be simple and the result will be a bit weird.

Sergio Luchi · Oct 10, 2021

Thank you, Erel, for answer!

It is sad, but the easy ways never lead to interesting places.

Here https://www.b4x.com/android/forum/threads/using-setlayoutanimated-to-zoom-in-out-at-a-certain-point.132241/ I found your advice about zoom for B4XPage. What do you think, may be this idea in concert with gestures can solve the task?

Erel · Oct 10, 2021

As I wrote, you should learn the code in ZoomImageView. It implements the gestures and the view resizing. You need to change the resizing to handle various layouts.

angel_ · Oct 10, 2021

Maybe this will help you:

ZoomableView (custom view)

When I look a photo in a smartphone, enough often appears a wish to increase a image/text like in WebView. So I did special custom view based on ScrollView. Works in two regimes. 1) As zoomable Panel (if is set ContentView property) 2) As zoomable ImageView (if is set ContentImage property) If...

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Android Question Scalling view like WebView by fingers

Sergio Luchi

Member

Erel

B4X founder

Sergio Luchi

Member

Erel

B4X founder

angel_

Well-Known Member

ZoomableView (custom view)

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Android Question Scalling view like WebView by fingers

Sergio Luchi

Member

Erel

B4X founder

Sergio Luchi

Member

Erel

B4X founder

angel_

Well-Known Member

ZoomableView (custom view)

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