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  1. Qt
  2. QTBUG-53909

some question about BLE communication

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      like the Qt demo .i use QLowEnergyController get the services.and get the CharacteristicInfo use the uuid 。but ，i can‘’t use the writeCharacteristic send the message..in fact, if i write sucessfully,it will emit characteristicWritten signal .but,if fail..so,what i can do now...someone who can give me a demo .

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            ablasche Alex Blasche
            zui10niahua l l
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