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BLE API分析 | Tommy

https://tommyfen.cn/2018/01/26/BLE-API%E5%88%86%E6%9E%90/

本篇主要深入分析 BLE API 实现的原理,加以理解 关键对象A:BluetoothAdapter蓝牙适配器,**设备(本文中指代 Android手机和平板)上的蓝牙模块的实体对象,表示扫描发现操作的发起者。 这是一个操作类,包含了经典蓝牙和低功耗蓝牙的通用操作方法,例如:开启手机蓝牙、关闭手机蓝牙、开始发现扫

TextView 及其子类自定义字体样式 | Tommy

https://tommyfen.cn/2018/04/09/TextView-%E5%8F%8A%E5%85%B6%E5%AD%90%E7%B1%BB%E8%87%AA%E5%AE%9A%E4%B9%89%E5%AD%97%E4%BD%93%E6%A0%B7%E5%BC%8F/

在开发的过程,难免会碰到需要更改某些控件上字体样式的需求。 在 Android 中,文本的显示一般在 TextView 及其其子类控件上,因此想要修改控件上字体大样式,那么需要从控件上着手。通过 TextView 相关 API 中发现存在 TextView.setTypeface(Typeface typeface)

BluetoothGatt Sample 分析 | Tommy

https://tommyfen.cn/2016/09/20/BLE%E5%BC%80%E5%8F%91%E6%B5%85%E8%B0%88%E4%B9%8B%E5%AE%98%E6%96%B9%E6%A1%88%E4%BE%8B%E5%88%86%E6%9E%90/

话说我个人是做Android开发的,以前没做过关于蓝牙方面的开发。最近公司在做一个关于蓝牙4.0低功耗(BLE)的产品,前期的要求是写一个APP在手机或者平板上,要求能接收到BLE设备发出的数据然后显示在界面上。 相信看到这篇文章的人,或多或少都了解了BLE的特性和优点,我这里就不赘述了。 当时我查阅Google开发者

Bluetooth-Low_Energy | Tommy

https://tommyfen.cn/2017/12/15/Bluetooth-Low-Energy/

Android内置平台在Android4.3(API 18)开始引入了在 **设备 对低功耗蓝牙(BLE)的支持,并且提供了一系列的API用于应用进行发现蓝牙设备、寻找服务以及传输信息等操作。 以下是BLE的常见的使用场景: 在近距离内两个BLE设备的少量数据的传递。 与Google Beacons等接近式传

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