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手机APP上的串口通信组件 - 创客硬件开发 - 清泛IT社区，为创新赋能！
问：请教一下，用手机APP上的串口通信组件怎么没有选串口号的，不想电脑上要选哪个串口？
答：
通过“串口通信器”组件，App 可以通过手机串口进行通信，不过使用蓝牙/ble 通信可能是目前更主流的方案！（详见 Iot 专题...
Run time error "Stack size 8188kb" 报错原理及解决方法 - App ...
App Inventor 2 编写蓝牙App，处理接收到的数据时，发生运行时错误：Run time error "Stack size 8188kb"，如下：
请问是什么原因？修改参数可不可以解决？
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这个8M 是计算机/手机 程序栈的大小，8M还算大的，没有必...
AppInventor2 Run time error \\\"Stack size 8188kb\\\" 报错原理及解决方...
AppInventor2 Run time error \"Stack size 8188kb\" 报错原理及解决方法App Inventor 2 编写蓝牙App，处理接收到的数据时，发生运行时错误：Run time error "Stack size 8188kb"，如下：请问是什么原因？修改参数可不可以解决？------这个8M ...App Inventor 2 ...
按键可见性的延时设置 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
大家好，咨询请教一个问题， APP上面的 按键 当按下一个按键 设置2号按键可见性为假 （这个功能可以实现），但 在设定时间内，比如一个小时，或者更长时间后， 让原先的2号按键的可见性从原来的假 恢复成真
用“计时...
How do I make a Mac Terminal pop-up/alert? Applescript?
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Use osascript. For example:
osascript -e 'tell app "Finder" to display dialog "Hello World"'
Replacing “Finder” with whatever app you desire. Note if that app is backgrounded, the dialog will appear in the background too. To always show in the foreground, use “Sy...
How to prevent multiple instances of an Activity when it is launched with different Intents
I've come across a bug in my application when it is launched using the "Open" button on the Google Play Store app (previously called Android Market). It seems that launching it from the Play Store uses a different Intent than launching it from the phone's application menu of icons. This is leadi...
Screenshot Apps for iPhone simulator [closed]
I was wondering if there are any good recommendations on apps that takes screenshots of the iPhone simulator. I've tried apps like iPhone screenshot cropper but I'm looking for something that will allow me to make larger images. For example large enough to put on a poster. Any suggestions?
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Simulator error FBSSystemServiceDomain code 4
I'm trying to run an app in the simulator but get this error message:
6 Answers
6
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Where can I get Google developer key
...s.co.uk/google-developer-api-key
OR
If say, for instance, you have a web app which would require a API key then check this:
Go to Google API Console Select you project OR Create your project.
Select APIs & Auths
API Project from the Dropdown on the left navigation panel
API Access
Click on...
Is AngularJS just for single-page applications (SPAs)?
We are looking at options to build the front end of an application we are creating and are trying to evaluate a tool that will work for us and give us the best platform to move forward.
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