Android ble设备有时未断开连接 [英] Android ble device is not disconnecting sometime

问题描述

• 完成可断开设备的连接后，我得到了断开回调.但是一段时间仍然没有断开.在某些层连接状态保持不变.这样我就无法重新连接.

我已经在android 5&中进行了测试安卓6. 在HTC One A9中，Moto x播放，Moto G4

i have tested in android 5 & android 6. in HTC One A9, Moto x play, Moto G4

• 如果我做蓝牙，请关闭电源.然后再次出现断开回调，设备实际上正在断开连接. -请提出解决问题的建议.
• 我正在按照以下步骤操作
• 1.发现ble设备.

• If i do bluetooth turn on off. then again disconnect callback is coming and device is disconnecting actually. -Please give some suggestion for resolve issue.
• I am doing below steps for ble operation
• 1.Discover ble device.

1. 连接到设备.
2. onConnectionStateChange(已连接)，我正在做gatt.discoverServices()
3. onServicesDiscovered回调我正在读取特性 5.onCharacteristicRead回调我正在做写特性. 6.onCharacteristicWrite回调我正在做gatt.disconnect()
4. onConnectionStateChange(已断开连接)，我正在做gatt.close()

1. Connect to device.
2. onConnectionStateChange (connected) i am doing gatt.discoverServices()
3. onServicesDiscovered callback i am reading characteristics 5.onCharacteristicRead callback i am doing write characteristics. 6.onCharacteristicWrite call back i am doing gatt.disconnect()
4. onConnectionStateChange (disconnected) i am doing gatt.close()

在后台设备扫描的整个过程中.

In this full process in background device scanning is going on.

推荐答案

可以通过不调用stopScan()方法来解决此问题. 请参阅SoroushA的评论 完全断开蓝牙低功耗设备

this problem can be connected with not calling stopScan() method. see comment from SoroushA Totally Disconnect a Bluetooth Low Energy Device

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