human-interface | 易学教程

Send feedback/effect to joystick from .net

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问题 Thanks to this answer https://stackoverflow.com/a/13734766/637142 I am able to know when a button is pressed or when the steering wheel is rotated. Now my question is how do I send an effect to the device? For example when I am playing a game if I crash the wheel will vibrate. How could I make the steering wheel vibrate? I belive what I need to do is to Start() an effect (http://sharpdx.org/documentation/api/t-sharpdx-directinput-effect). The SharpDX.DirectInput.Joystick class does not seem

Scroll dynamic UISegmentedControl in Swift 3

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问题 Hi i want to create a dynamic UISegmented View with more than 20 Items. I tried it, but the output is like this. the text is sliced not visible fully. I want it to scroll to the left and right and also display the full text. can some one help me to fix this. tnx View Controller override func viewDidLoad() { super.viewDidLoad() let items = ["All Fruits", "Orange", "Grapes", "Banana", "Mango", "papaya", "coconut", "django"] let filtersSegment = UISegmentedControl(items: items) filtersSegment

Scanning for a Human Interface Device (HID) using C#

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问题 I am developing a C# .NET 2.0 application wherein I need to scan for an attached HID. How can this be done? Because it is a HID, Windows does not assign a COM port to it. I only need to programmatically determine if the device is attached. Thank you. ADDITIONAL INFORMATION When I connect the USB device to my computer two entries appear under Human Interface Devices in the Device Manager. Clicking into their Properties yields this information in their respective Details tabs: HID-compliant

How to use SF Symbols in iOS 12 and below?

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问题 I am updating the icons in my app. After I heard Apple released an icon font named SF Symbols with iOS 13, I was wondering if I can only use them in iOS 13 or if it is possible to use them in lower versions of iOS too. If I want to use them, do I have to implement a fallback for older versions? 回答1: You can not use SFSymbols natively in iOS versions older than iOS 13. However if you are interested in using the graphics you can use the SFSymbols app to export SVG versions of the icon. Then use

How to use SF Symbols in iOS 12 and below?

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Difference between launch image and splash screen

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问题 I was going through iOS Human Interface Guidelines. It was mentioned as Display a launch image that closely resembles the first screen of the application. This practice decrease the perceived launch time of your application. Avoid displaying an About Window or a splash screen . In general, try to avoid providing any type of startup experience that prevents people from using your application immediately. What is the difference between a launch image and a splash screen? 回答1: Launch image is

WSO2 human task goes to COMPLETED state but calling BPEL process remains in ACTIVE state

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问题 I have created WSO2 human task as per the guidelines mentioned in link (http://docs.wso2.org/display/BPS300/Writing+a+Human+Task+Artifact). I am calling human task from Asynchronous BPEL process, once human task get completed it proceeds further with other BPEL Activities and callback client. I am facing an issue i.e. Human task goes to COMPLETED task state but my BPEL Process which is calling that human task is not proceeding further from REMOTE TASK Activity to next BPEL activity and it

Simulating Human Interface Device via Bluetooth

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问题 Is there a way to simulate a human interface device (HID) using c# ? What i am trying to do is to connect 2 devices (first one is a pc and will host my application, and second device can be a pc or a mobile device) via Bluetooth. After connecting the devices i will send mouse or keyboard input from my host pc to the other device. First of all, is this possible ? If so how ? Thanks in advanced. 来源： https://stackoverflow.com/questions/9160402/simulating-human-interface-device-via-bluetooth

How to debug Human Interface Device?

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问题 I have a bar-code scanner with USB interface, so it appears as an HID. There are reasons why I must breakpoint on the first character. That brings my Delphi IDE to the front, it stops on the breakpoint and the rest of the bar-code is injected into my code as if it had been typed front the keyboard (which, in a way it has, as the USB scanner is just another HID). Is there any way to avoid this? Or to add an initial check as to the source of the input? It annoys me so much that I am now looking

How to debug Human Interface Device?

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I have a bar-code scanner with USB interface, so it appears as an HID. There are reasons why I must breakpoint on the first character. That brings my Delphi IDE to the front, it stops on the breakpoint and the rest of the bar-code is injected into my code as if it had been typed front the keyboard (which, in a way it has, as the USB scanner is just another HID). Is there any way to avoid this? Or to add an initial check as to the source of the input? It annoys me so much that I am now looking for a scanner with an RS232 interface. The problem is that HID "devices" send information back to the