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MIT App Inventor 2: Dictionaries and JSON
Автор: Tutorial | App Inventor 2
Загружено: 2022-11-29
Просмотров: 7695
Описание:
The use and importance of Dictionaries for data structuring is explained, including the examples. Emphasis is placed on the connection to JavaScript Object Notation (JSON).
00:01 What are the Dictionaries
00:33 How to build simple example pairs (played at 3x speed)
01:30 Explanation of the simple pair-entries
01:53 Display a Dictionary in a ListView
02:22 Connection to JSON
02:44 Showcase more complex Data Objects
05:28 How to retrieve a Value/List from nested Dictionaries [Walking Key Path]
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