FLL CITY SHAPER - Challenge Updates
Εδώ μπορείτε να δείτε όλα τα updates για το φετινό διαγωνισμό FLL City Shaper έως την εβδομάδα της 7ης Οκτωβρίου 2019 ή αν θέλετε μπορείτε να κατεβάσετε το pdf από εδώ
MIT App Inventor - How to render larger data sets efficiently using RecyclerList Extension - Advanced Guide
In this guide I will show you how to render larger data sets using RecyclerList extension and how to create a custom search bar to filter data. In the specific example as database I used a Google Spreadsheet with 5 columns and 1.200 rows but I have tested it with even bigger databases and worked with no problem. For those we are not familiar with dynamic components please read first the RecyclerList - Basic guide The result is ... Extensions used in this project Recycler List by Zain Ul Hassan ListUtils by Zain Ul Hassan to filter data Enhance extesnion by Kevinkun to create stylish cardviews TextBox extension by Pura Vida Apps in order to use on textbox change event ClickZ extension by Aquib Khan to add click event to cardviews and Image Loader by Ayoub Mounchid to load images asynchronous Lets start. Go to http://ai2.appinventor.mit.edu/ and create a new project Designer part As you see I added a hidden ListView component - you must do it otherwise RecyclerLi
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