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硬件案例:连接、协议与设备端 · App Inventor 2 中文网

...制台 定时浇灌控制台 MQTT TCP;设备订阅 command,发布 ack。所有命令和确认均禁用 retained。 发送 practical/NODE01/command:SET|NODE01|请求ID|ON|20 收到 practical/NODE01/ack:ACK|NODE01|请求ID|ON|20 停止指令:SET|NODE01|请求ID|OFF|0 停止...
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App Inventor 2 数据可视化教程 - 折线图/曲线图/实时数据绘图 · App Inventor 2 中文网

... 计时器1.Timer() { global x计数 = x计数 + 1 global 随机值 = randomInteger(1, 100) 二维图表数据1.AddEntry(x计数, 随机值) } 4.2 保持图表窗口滚动(只显示最近 N 个点) 如果数据持续增长,图表会越来越拥挤。常见做法...
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场景样式(HarmonyStyleKit)使用指导 · App Inventor 2 中文网

... 这些案例在包含该组件的鸿蒙 AI 伴侣或 HAP 中运行。Android 侧是供网页编辑器生成积木的声明,不能用安卓伴侣验证鸿蒙系统能力。 在设计器拖入 HarmonyStyleKit,保留名称 HarmonyStyleKit1;拖入案例涉及的按钮、文本输入框...
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How can I change the EditText text without triggering the Text Watcher?

... You could unregister the watcher, and then re-register it. Alternatively, you could set a flag so that your watcher knows when you have just changed the text yourself (and therefore should ignore it). ...
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MaterialDialog 对话框增强扩展 · App Inventor 2 中文网

... CreateDialogFromView 从视图创建对话框(dialogId,androidViewComponent,cancelable,animationType,paddingDp) 使用已有的 AndroidViewComponent(布局组件)创建自定义对话框。 dialogId:对话框的唯一标识符。 androidViewComponent:...
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IEnumerable and Recursion using yield return

...y one iterator (state machine) created. See this question for more details and a sample implementation - but this obviously adds a certain amount of complexity too. share | improve this answer ...
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Arduino101(Genuino 101)&App Inventor – RGB LED控制 - 创客硬件开...

...Read Service // BLE LED Switch Characteristic - custom 128-bit UUID, read and writable by central BLEUnsignedIntCharacteristic LEDStatus("19B10011-E8F2-537E-4F6C-D104768A1214", BLERead | BLEWrite  ); int incom = 0; int r, g, b ; void setup() {   Serial.begin(9600); &...
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将Genymotion模拟器与App Inventor一起使用 · App Inventor 2 中文网

...Inventor一起使用 与 App Inventor 一起发布的 Google Android 模拟器运行速度很慢。有些人更喜欢使用其他模拟器,例如 Genymotion 生产的模拟器。 MIT 的 App Inventor 安装包不包含 Genymotion 模拟器,因为 MIT 没有分发它的权限。但...
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App Inventor 2 计时器(Clock)详细用法示例 · App Inventor 2 中文网

...% auto no-repeat; } /*手机版:反馈浮动按钮收小*/ @media screen and (max-width: 700px) { .feedback-pop { font-size: 13px; line-height: 14px; padding: 10px 7px; } .feedback-pop .feedback-img { width: 20px; height: 20px; margin-bottom: 3px; } } 文档反馈 切...
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HTML.ActionLink method

... Has anyone tried this with MVC 3? It seems that the ControllerName and ActionMethod lines in the sample above are flipped. Anyone else seen that? – Steve Duitsman Sep 9 '10 at 20:50 ...