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Arduino 101 实验12 - 录音与回放 · App Inventor 2 中文网
..."
按钮_录音.Enabled = false
按钮_播放.Enabled = false
}
when Screen1.BackPressed() {
Arduino101SoundRecorder1.StopRecording()
BluetoothLE1.Disconnect()
}
退出前补一次 StopRecording 是保险：万一用户在录音中直接退出，
板子不会一直录下去。
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Show Youtube video source into HTML5 video tag?
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I recently got this problem: The fullscreen is no longer supported on iPad! Your jsfiddle-example are perfect to illustrate: On pc it works, on iPad not. ..I guess I should ask a new question on this, but someone here maybe can comment?
– S...
App Inventor 2 NFC应用教程 - 读取NFC标签与门禁卡 · App Inventor 2 中文网
... 读取NFC标签
基本读取
when Screen1.Initialize() {
NFC1.Enabled = True
}
when NFC1.TagRead(tagType, tagID, ndefData) {
Label1.Text = join("标签类型：", tagType)
Label2.Text = join("UID：", tagID)
Label3.Text = join("数据：", ndefData)
}...
Arduino 101 实验05 - 光照传感器，做一个自动小夜灯 · App Inventor 2 中文网
...中间留一段死区。
第 4 步：收尾
when Screen1.BackPressed() {
Arduino101LightSensor1.StopLightSensorUpdates()
Arduino101Led1.TurnOff()
BluetoothLE1.Disconnect()
}
五、排错表
现象
原因与处理
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生物识别使用指导 · App Inventor 2 中文网
...接受生物识别。仅在成功事件后显示受保护布局。
when Screen1.Initialize() {
生物识别1.AllowDeviceCredential = false
垂直布局_隐私.Visible = false
}
when 按钮_解锁.Click() {
生物识别1.Authenticate("解锁私人内容", "请验证本机身份")
}
when 生物...
top nav bar blocking top content of the page
...
How will that work if the user has a narrower screen or simply resizes the window? The topmost contents will be blocked again by the expanded nav bar section.
– Konrad Viltersten
Apr 21 '16 at 11:41
...
Inject service in app.config
... controller: 'CustomerCtrl'
})
.when('/screen2', {
templateUrl: bust('touch/screen2'),
controller: 'Screen2Ctrl'
})
.otherwise({
redirectTo: bust('/')
});
...
评分条使用指导 · App Inventor 2 中文网
...定按钮及标签。先设半星步长，再设置初始评分。
when Screen1.Initialize() {
评分条1.StepSize = 0.5
评分条1.Rating = 3.5
评分条1.ReadOnly = true
}
when 按钮_编辑.Click() {
评分条1.ReadOnly = false
}
when 按钮_锁定.Click() {
评分条1.ReadOnly = true
...
Use of Application.DoEvents()
...thing to DoEvents and can essentially allow a UI process that locks up the screen to be made for all intents and purposes async.
– Christian Findlay
Oct 1 '18 at 5:25
add a co...
How do I make my GUI behave well when Windows font scaling is greater than 100%
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Delphi's splash screen uses DPI Virtualization, probably because the call to SetDPIAware is after the Splash form has already been made visible.
– Warren P
Nov 28 '11 at 18:58
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