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Hello friends,
In this tutorial, I am teaching you about JSON (Javascript Object Notation) and how a JSON file is decoded in MIT App Inventor using the Dictionary Block. First, I am teaching how to read a JSON text file into the system. After reading the JSON file, it is decoded and stored in a global variable and I am also teaching how we can search through this data to find some particular information.
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📝 Written tutorial and project aia file:
obsidiansofteducation.blogspot.com/p/read-and-decode-json-in-mit-app-inventor.html
JSON file used in this tutorial:
github.com/cheprasov/json-colors
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kzbin.info/www/bejne/gGXOpIuEidGkack
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kzbin.info/www/bejne/n4ColmuflrKljpo
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Login/Sign up Screen App with Duplicate User check:
kzbin.info/www/bejne/eZ7cYYmrmqdksMU
Special Thanks to Filmora for Intro Music
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Chapters:
00:00 Introduction - Decode JSON file in MIT App Inventor
00:23 Intro to Channel - Obsidian Soft
00:40 Intro to JSON
00:53 JSON Link to Dictionary Block
01:04 JSON Example
02:11 JSON Role in APIs
02:42 Colors.json File - Decode JSON file in MIT App Inventor
03:50 Starting project - Decode JSON file in MIT App Inventor
04:03 Upload JSON file
04:15 UX Design - Decode JSON file in MIT App Inventor
05:28 Blocks - Decode JSON file in MIT App Inventor
06:04 Read File in MIT App Inventor
06:51 Decode JSON in MIT App Inventor
08:04 Search Color data - Decode JSON file in MIT App Inventor
08:30 Local Variables in MIT App Inventor
12:15 Break Control Block in MIT App Inventor
13:56 Submit Button - Decode JSON file in MIT App Inventor