RE: Linking multiple tinyDB together

[Nguyen_Hu_nh_Tr_ng]

Linking multiple tinyDB together

This problem requires three TinyDB instances, each with their own Namespace: [tdbFuture] [tdbPast] [tdbPresent] The tags in all 3 are text representations of a date/time value: [tag] This format was chosen so that the oldest in any TinyDB will sort first in its tag list. With 3 TinyDBs, we can easily fill List Picker Elements lists with tag/value pairs ... [Capture] [Designer] [Elements] [when lpkFuture BeforePicking] [when lpkPast BeforePicking] [when lpkPresent BeforePicking] We add n…

Excuse me! Can you help me link multiple screens together by " virtual screens " i need an example . I am making a list of sensors and clicking on it will show another screen..

[ABG]

http://ai2.appinventor.mit.edu/reference/other/manyscreens.html

from

FAQ Section: Screens

Screen Design Advice Building apps with many screens Many similar screens Universal screen sizes Screen Switching Switch screens correctly - 2 methods - @Anke Aug '23 Choosing a Switching Technique - @Anke Nov 22 Effects of Companion on Screen and app closing - Boban How do I open Screen1? - vknow360 and others How do I switch screens? (manager) - Taifun How to start from Screen2 Switching screens without a manager Screen Manipulation Copy and Rename Screens - Tim Houser How do I D…

also see

FAQ Section: Advice

BACK UP YOUR WORK WITH AN AIA FILE!!! Don’t Repeat Yourself How to load lots of text without crashing AI2 How to overcome the App Inventor project limit of 10 MB How to post images or aia files to this Forum and how to get advice - SteveJG SteveJG’s Monster List of Tips and Techniques Tips & Tricks - Chris Ward Use different screens wisely use images whose size matches the size you want them to appear on your screen

[TIMAI2]

@Nguyen_Hu_nh_Tr_ng

" virtual screens " i need an example

https://gallery.appinventor.mit.edu/?galleryid=6237690499563520

[ABG]

example:

Ultimate Scorekeeper