App inventor random

如果您的app 有多個畫面，請使用 close screen with value 指令而非本指令。 http://appinventor.mit.edu/explore/ai2/support...

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在MIT APP Inventor那邊，較好的做法是[發了一個http request，等收到相關的http response後，才容許發出下 ... break; case '2': acti...

Design the logic for your app before beginning to code. ... So, in designing this app, you might ...