[Guide] How to use RecyclerList extension with large data sets - Basic guide

[Ria_Das]

Study json stucture ... for example with the following procedure and dictionary blocks I get from json url, cover, title, description and rating and add them to a table

Once I have my table I can create my recycle list

[Fattain_Naime]

Thanks. It's really helpful for me.
Can you please share the aia file?

May i PM you?

[Ria_Das]

All I did was to follow op's example and the provided aia in ...

@dora_paz

For a more advanced guide with UI customizations,custom search and use of Google Spreadsheet as database you can see MIT App Inventor - How to render larger data sets efficiently using RecyclerList Extension

Once I got the provided aia I simply set global data to get value from json instead of spreadsheet with the above procedure. Above blocks are dragable so you can give it a try.

[Fattain_Naime]

Thank you very much for it.

[ABG]

Note that this columnar technique does not forgive missing attributes.

[Ria_Das]

Yes this procedure works with the specific json response.as stated above Depending the api you call and the response get, you always have to study the json and modify procedure according to needs

[jgallego]

Hello.

Is there any way to upload images locally instead of from a URL?

How could I initialise the screen with a specific value instead of the content of the text box?

Thanks