I need help in list view and text box

MIT App Inventor Help
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1

I am making messaging app.
In that app have Hiding and unhiding feature
I am using list view for message
And for unhiding this I am using spinner
And for endode and decode I am using
Base loaded extension

But I wrote a block chain

blocks (1)
blocks (1)2250×382 70.3 KB

When I try in my companion there a notification
Show that "Bad BaseLoded1"

2

Use this extension instead (BasesLoaded is broken when installed app):

Base64 String

1 Like
3

By the way why this red cross? Two times used the same event?

image
image790×230 20.9 KB

4

That is not any factor beacuse that is dublicated

5

What is the purpose of taking the number of Elements and feeding that number through a Base64 conversion?

6

Please give the solution

7

solution for what? I don't know what you want too achieve...

8

I want to decode a list
And that shows in a label

9

what' s this? pick a item from list?

10

Yes

11

then it is the build-in function of List.
just open the drawer of List and check all the blocks .

12

Please give the blocks pic

13

What is encoded to base64, the entire list, or the individual messages ?

14

You see how important it is to give as much information as possible. Now users trying to help you have to ask a lot of questions.

15

Individual message

16

then blocks like this to display last message

image
image1309×346 42 KB

17

A runtime error

Screenshot_2022-12-11-15-22-23-75
Screenshot_2022-12-11-15-22-23-75710×128 11 KB

18

Make sure you have items in your list!

19

Yes

20

Can you give that extraction link