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创建并发送BLE蓝牙广播 - 创客硬件开发 - 清泛IT社区,为创新赋能!

在MIT App Inventor社区的一篇帖子中,用户尝试使用最新的BLE扩展来创建和发送蓝牙广播,但遇到了一些问题。Evan Patton指出,Android的BLE子系统需要使用16位UUID,并提供了一个测试的BLE扩展,解决了广播发送失败的问题。 以下...
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CustomWebView拓展:WebViewer的扩展本,具有更高的自定义性和灵活性 - A...

...更高的自定义性和灵活性(适用于 MIT AI2 及其发行最新本:12 所需 API:21 权限:android.permission.WRITE_EXTERNAL_STORAGE、android.permission.ACCESS_DOWNLOAD_MANAGER、android.permission.ACCESS_FINE_LOCATION、android.permission.RECORD_AUDIO、android.permissi...
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Android - set TextView TextStyle programmatically?

Is there a way to set the textStyle attribute of a TextView programmatically? There doesn't appear to be a setTextStyle() method. ...
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tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...p实现的epoll就不能加入内核文件描述符。因此大多数开源软件要转到dpdk协议栈接口就有这方面的设计问题。 生产环境稳定性有待验证 因为不走内核了,不支持netstat等工具链 总之做tcp webserver的考虑各方面研发运维成本,目...
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【App Inventor 2 数据可视化】使用柱状图和饼图收集数据 - App应用开发 - ...

...计和逻辑设计。如果你使用的是手机或平板,你需要一个最新本的App Inventor伴侣(安卓设备AI伴侣本号在 2.65 以上)(iOS 电子表格功能目前正在开发中)。没有电子设备?要在计算机上使用模拟器,请检查[安装说明]。 你能...
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Making TextView scrollable on Android

I am displaying text in a textview that appears to be too long to fit into one screen. I need to make my TextView scrollable. How can I do that? ...
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How can I show ellipses on my TextView if it is greater than the 1 line?

...ed for me on multiple devices / APIs was programmatically like this (where tv is your TextView): if (tv.getLineCount() > 1) { int lineEndIndex = tv.getLayout().getLineEnd(0); String text = tv.getText().subSequence(0, lineEndIndex - 3) + "\u2026"; tv.setText(text); ...
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How to retrieve the dimensions of a view?

I have a view made up of TableLayout, TableRow and TextView . I want it to look like a grid. I need to get the height and width of this grid. The methods getHeight() and getWidth() always return 0. This happens when I format the grid dynamically and also when I use an XML version. ...
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Listing all extras of an Intent

... private TextView tv; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); tv = new TextView(this); tv.setText("Extras: \n\r"); setContentView(tv); StringBuilder str =...
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How to get current timestamp in milliseconds since 1970 just the way Java gets

...me.h> struct timeval tp; gettimeofday(&tp, NULL); long int ms = tp.tv_sec * 1000 + tp.tv_usec / 1000; refer this. share | improve this answer | follow ...