App inventor 3
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文档介绍了JSON（JavaScript对象表示法）的基本概念及其结构，且提供了使用App Inventor进行API数据处理的指导。包括如何设置Web组件、全局变量以及按钮事件的步骤，以实现获取并解析JSON数据功能。还包含了标准体重计算的示例及相关布局设置的练习。
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App inventor 1Roy Wang
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本文介绍了 app inventor 的基本概念和操作，包括移动应用程序的定义、主要平台及其开发工具。文中详细说明了 app inventor 的设计界面、功能模块以及如何创建第一个应用程序的步骤与示例代码。总体而言，文档强调了使用拼块编辑器的简易性，使大众能够轻松开发 Android 应用。Ad
App inventor 3
- 3. JSON是什麼? ? JSON全名叫做JavaScript Object Notation，就是在JavaScript之中， 表示物件的一種格式。 ? JSON不是JavaScript的物件實字，JSON只是基於JavaScript的物件 實字。 ? 在JSON只允許以雙引號(“”)包圍字串值。 ? JSON的副檔名是 .json
- 4. JSON範例- ”名稱” : ”值” {? “brand”?:?“Crocs”, “color”?:?“pink”,? “size”?:?9,? “hasLaces”?:?false,? “title”?:?“This?is?the?body."? }?
- 6. 新增需要的元件-奥别产
- 10. 设置取得奥别产1的文字事件
- 11. 设置储存的全域变数
- 12. 使用奥别产1的解析闯蝉辞苍方法
- 13. 设置取得的鲍谤濒
- 14. 设置显示的标籤
- 15. 设置按钮事件
- 16. 设置按钮按下呼叫奥别产1方法
- 17. 执行结果
- 18. 础辫辫滨苍惫别苍迟辞谤-标準体重
- 19. 題目 ? 男性: (身高cm - 80) x 70% = 標準體重 ? 女性: (身高cm - 70) x 60% = 標準體重
- 20. 上传两张图片
- 21. 设置文字方块
- 22. 设置水平布局
- 23. 设置按钮1
- 24. 设置按钮2
- 25. 设置标籤
- 26. 设置图片
- 27. 设置按钮1事件
- 28. 设置按钮1顯示文字標籤
- 29. 设置按钮1數學式(1/4)
- 30. 设置按钮1數學式(2/4)
- 31. 设置按钮1數學式(3/4)
- 32. 设置按钮1數學式(4/4)
- 33. 设置按钮1顯示圖片
- 34. 设置按钮1要顯示的圖片
- 35. 设置按钮2事件
- 36. 设置按钮2顯示文字標籤
- 37. 设置按钮2數學式(1/4)
- 38. 设置按钮2數學式(2/4)
- 39. 设置按钮2數學式(3/4)
- 40. 设置按钮2數學式(4/4)
- 41. 设置按钮2顯示圖片
- 42. 设置按钮2要顯示的圖片
- 43. 执行结果
- 45. 设置按钮1合併文字
- 46. 设置按钮1數學式(1/3)
- 47. 设置按钮1數學式(2/3)
- 48. 设置按钮1數學式(3/3)
- 49. 新增按钮1合併文字(1/2)
- 50. 新增按钮1合併文字(2/2)
- 51. 新增按钮1显示文字
- 52. 设置按钮2合併文字
- 53. 设置按钮2數學式(1/3)
- 54. 设置按钮2數學式(2/3)
- 55. 设置按钮2數學式(3/3)
- 56. 新增按钮2合併文字
- 57. 新增按钮2显示文字
- 58. 执行结果