android BLE 每次只能发20字节数据，如果要联系发送几百字节，如果不进行流量控制，就会丢包。 根据规范，每次向SDK层写一包数据，SDK发送成功后，会有一个接口通知应用层。 但在实际测试发现，某些手机采用这种方式控制流量，还是会丢包，只能在两包数据之间认为延迟50ms左右。 |
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android BLE开发，传输大数据量时，出现掉包
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