大约有 300 项符合查询结果（耗时：0.0081秒） [XML]
SVG图像加载扩展 - 第三方扩展集合 · App Inventor 2 中文网
...ges)
when Screen1.Initialize
do
// 从文件加载SVG
call SVGImages1.LoadFromFile "/storage/emulated/0/Documents/icon.svg"
when SVGImages1.ErrorOccurred error
do
show notification "SVG加载失败: " & error
从网络加载SVG (SVGImages)
when Butt...
Popup弹出菜单扩展 · App Inventor 2 中文网
...项3"
// 显示弹出菜单
when Button1.Click
do
// 显示菜单
call Popup1.Show
// 处理菜单选择
when Popup1.MenuItemSelected ID Title Checked
do
if ID = 1 then
show notification "选择了: " & Title
else if ID = 2 then
show notification "选项2状态: " &...
Popup弹出菜单扩展 · App Inventor 2 中文网
...项3"
// 显示弹出菜单
when Button1.Click
do
// 显示菜单
call Popup1.Show
// 处理菜单选择
when Popup1.MenuItemSelected ID Title Checked
do
if ID = 1 then
show notification "选择了: " & Title
else if ID = 2 then
show notification "选项2状态: " &...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ect two-finger rotation gestures performed on a Canvas. The demo app here, called rotationSprite, is a simple demonstration of detecting rotation gestures. You can download the apk file of the demo app from here. The demo app simply illustrates how to use the RotationDetector component to rotate a...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ect two-finger rotation gestures performed on a Canvas. The demo app here, called rotationSprite, is a simple demonstration of detecting rotation gestures. You can download the apk file of the demo app from here. The demo app simply illustrates how to use the RotationDetector component to rotate a...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ect two-finger rotation gestures performed on a Canvas. The demo app here, called rotationSprite, is a simple demonstration of detecting rotation gestures. You can download the apk file of the demo app from here. The demo app simply illustrates how to use the RotationDetector component to rotate a...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ect two-finger rotation gestures performed on a Canvas. The demo app here, called rotationSprite, is a simple demonstration of detecting rotation gestures. You can download the apk file of the demo app from here. The demo app simply illustrates how to use the RotationDetector component to rotate a...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ect two-finger rotation gestures performed on a Canvas. The demo app here, called rotationSprite, is a simple demonstration of detecting rotation gestures. You can download the apk file of the demo app from here. The demo app simply illustrates how to use the RotationDetector component to rotate a...
App Inventor 2 源码商店
...度充满，屏幕底部对齐/li>li>代码块：添加按钮及图标，id从1开始，最后初始化即可/li>li ... 作者： ...
micro:bit 微控制器教程 · App Inventor 2 中文网
...转
// 按钮按下时发送指令
when Button_Forward.TouchDown
do
call BluetoothLE1.WriteRXCharacteristic "F\n"
when Button_Backward.TouchDown
do
call BluetoothLE1.WriteRXCharacteristic "B\n"
// 按钮释放时停止
when anyButton.TouchUp
do
call BluetoothLE1.WriteRXCharacteristic...