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匿名过程入门：倒计时与回调 - App Inventor 2 案例教程 · App Inventor 2 中文网
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你要做的是什么
第 0 关：准备器材
第 1 关：把过程存进变量
第 2 关：给匿名过程加输入项
第 3 关：后台运行 + 回调（本篇高潮）
第 4 关：延时倒计时 3、2、1
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edited Dec 14 '16 at 2:48
iwasrobbed
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