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Android 4.3 Bluetooth Low Energy unstable
...w Energy (testing on the Nexus 4). After getting started with the official BLE APIs in Android 4.3, I have noticed that after I connect a device for the first time I am rarely able to successfully connect to / communicate with that device or any other device again.
...
蓝牙BLE设备使用BLE拓展连不上蓝牙? - 创客硬件开发 - 清泛IT社区,为创新赋能!
转会员问题:我现在手上有一款蓝牙设备是BLE的, 我在编程都时候用了ble的拓展组件 但是在连接那一步连不上这个蓝牙?
这里统一说明一下:
一般先用硬件厂商提供的App 或者 nRF Connect App 进行硬件连接和测试,没...
UTF-8: General? Bin? Unicode?
I'm trying to figure out what collation I should be using for various types of data. 100% of the content I will be storing is user-submitted.
...
Android 4.1: How to check notifications are disabled for the application?
...loper.android.com/reference/android/app/…
– Sune Kjærgård
Aug 1 '17 at 11:14
...
[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...
...cheme is dark */
/* user picked a theme a light scheme and also enabled a dark scheme */
/* deal with light scheme first */
@media (prefers-color-scheme: light) {
:root {
--primary: #222222;
--secondary: #ffffff;
--tertiary: #008...
低功耗蓝牙(BLE) 和 经典蓝牙(SPP) 的区别 - App Inventor 2 中文网 - 清泛...
BLE 和 SPP 怎么选?看应用场景:BLE适用于低功耗、轻量级的应用,例如穿戴设备、传感器网络等。而SPP适用于需要大容量数据传输的应用,例如音频设备、文件传输等。看功耗需求:如果你的应用对功耗有严格要求,需要长...
BLE(三)APP开发步骤 - 创客硬件开发 - 清泛IT社区,为创新赋能!
文章源自:https://www.gandalf.site/2018/11/bleapp.html
Android系统自4.3版本开始,引入了对BLE的支持,详见Bluetooth Low Energy。通过浏览当中的信息,我们可以得知在app开发环节,需要做到如下几件事情:
1. BLE相关权限声明
2. 操...
BLE UUID是对的但连接闪退:java.lang.IllegalArgumentException: UUID str...
...错日志
java.lang.ExceptionInInitializerError
at edu.mit.appinventor.ble.BluetoothLEint$BLEReadOperation.subscribe(BluetoothLEint.java:357)
at edu.mit.appinventor.ble.BluetoothLEint$BLEReadOperation.run(BluetoothLEint.java:325)
at android.os.Handler.handleCallback(Handler.java:958)
at and...
【iOS】有关苹果iOS App的一些进展、BluetoothLE蓝牙拓展等 - App Inventor...
...制,不能像Android那样使用拓展,只能内置组件适配比如ble功能,经典蓝牙不支持。
我们正在努力将 BluetoothLE 扩展程序移植到 iOS 平台,使其成为一个组件。由于 Apple 对应用程序的限制,我们无法像在 Android 上那样使用扩展程序...
蓝牙BLE硬件接入及IO控制 · App Inventor 2 源码商店
... 源码列表 / 蓝牙BLE硬件接入及IO控制 蓝...
