...触控和手势检测功能 « 返回首页 扩展App Inventor：具有多点触控和手势检测功能 Xinyue Deng (dxy0420@mit.edu) Hal Abelson (hal@mit.edu) Department of Electrical Engineering and Computer Science Massachusetts Institute of Techno...

...触控和手势检测功能 « 返回首页 扩展App Inventor：具有多点触控和手势检测功能 Xinyue Deng (dxy0420@mit.edu) Hal Abelson (hal@mit.edu) Department of Electrical Engineering and Computer Science Massachusetts Institute of Techno...

... App Inventor 2 扩展 « 返回首页 App Inventor 2 扩展 Initial Release 1.0 (Introduced as part of MIT App Inventor Release nb149) DRAFT: September 27, 2015 Updated: June 9, 2017 Updated: May 17, 2021 sample extensions are at: MIT App Inven...

... 属性 事件 方法 « 返回首页 地图组件 目录： 圆 特征集合 线段 地图 标记 导航 多边形 矩形 圆 The Circle component visualizes a circle of a given Radius, in meters, centered at a Latitude and ...