Custom CardView Extension
Open in App
This extension for App Inventor Platform , Using this extension you can convert your Vertical Arrangement or Horizontal Arraignment into CardView. For this just you need to select the component which one you want to convert into carview you don’t need to setup any blocks. you can customize your cardview in designer properties.

Note : You need to add ListView Component in your project to initialize CardView Library otherwise after build app will maybe crash.
Demo App Block :

Blocks :
