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BLE（五）移动端工具 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...机抓取app蓝牙数据0x11 Android蓝牙HCI日志在部分Android机型为开发人员提供了保存蓝牙日志的选项，即可保存手机向设备发送的数据和设备响应的数据，打开方式如下：
开发者模式→蓝牙HCI日志
不同的平台存放HCI log的路径会...
App Inventor 2 控制代码块 · App Inventor 2 中文网
...循环（break）
如果 & 则
测试给定条件。如果条件为真，则执行给定块序列中的操作；否则，这些块将被忽略。
测试给定条件。如果条件为真，则执行 则 块序列中的操作；否则，执行 否则 块序列中的操作。
测...
按钮形状问题 - App应用开发 - 清泛IT社区，为创新赋能！
...得到更新后的形状请附上问题截图。是比如你把按钮设置为椭圆，ai 伴侣 还是 apk 运行 仍然是长方形吗？App Inventor 2 发表于 2024-07-23 17:31
请附上问题截图。是比如你把按钮设置为椭圆，ai 伴侣 还是 ...
AsciiConversion 拓展问题：字母开头的会出现“C2”非预期字符 - App Inven...
...ientSocket拓展默认是字符串模式，可以通过hexaStringMode设置为二进制模式，此时需要传入二进制数组，而原生并没有这个数据结构，使用拓展可以实现：UrsAI2ByteArray 字节数组扩展：读写二进制数据 - App Inventor 2 拓展
2、字符串模...
Phone: numeric keyboard for text input
...l" or type="url" will give you a keyboard on some phones at least, such as iPhone. For phone numbers, you can use type="tel".
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Android: Storing username and password?
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Most Android and iPhone apps I have seen use an initial screen or dialog box to ask for credentials. I think it is cumbersome for the user to have to re-enter their name/password often, so storing that info makes sense from a usability persp...
【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛，有思想、有深度
...则属于单模蓝牙。行业里一般不讲单模蓝牙，而是统一称为低功耗蓝牙。如今，蓝牙5.0已经发布和应用，4倍通信速度、2倍的通信距离以及Mesh组网特性，将使蓝牙成为物联网领域的重要的技术之一。本文我们将由表及里，由浅入...
How to change the name of an iOS app?
I began an iPhone project the other day with a silly development code name, and now I want to change the name of the project since it's nearly finished.
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Android: Tabs at the BOTTOM
...).
You can also add an ImageView to the tab.xml in item #1 and get a very iPhone like look to the tabs.
Here is a screenshot of what I'm working on right now. I still have some work to do, mainly make a selector for the icons and ensure equal horizontal distribution, but you get the idea.
In my ca...
Scrolling child div scrolls the window, how do I stop that?
... Both jsbins don't seem to work in the Chrome device emulator and on the iphone. Does anyone know if this still works?
– Dirk Boer
Jun 11 '15 at 7:51
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