我的服務有一個BluetoothGattCallback實例

public class MyService extends Service {

private BluetoothGattCallback callback;

@Override

public void onCreate() {

super.onCreate();

callback = new BluetoothGattCallback() {

@Override

public synchronized void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {

Log.i("onConnectionStateChanged", "Status " + status);

Log.i("onConnectionStateChanged", "New State " + newState);

}

};

}

// registration of bluetooth adapter and blah blah blah

}

當我啟動應用程序時,它工作正常,回調只被調用一次,但經過幾次嘗試,它被調用兩次.

樣本日志

10-22 13:29:18.731 26944-26961/redacted.lollipop I/onConnectionStateChange: Status 0

10-22 13:29:18.731 26944-26961/redacted.lollipop I/onConnectionStateChange: New State 2

10-22 13:29:18.731 26944-26961/redacted.lollipop I/onConnectionStateChange: Status 0

10-22 13:29:18.731 26944-26961/redacted.lollipop I/onConnectionStateChange: New State 2

更多樣本日志

10-22 13:29:48.836 26944-26961/redacted.lollipop I/onConnectionStateChange: Status 8

10-22 13:29:48.836 26944-26961/redacted.lollipop I/onConnectionStateChange: New State 0

10-22 13:29:48.850 26944-30763/redacted.lollipop I/onConnectionStateChange: Status 8

10-22 13:29:48.850 26944-30763/redacted.lollipop I/onConnectionStateChange: New State 0

應用程序保持活動的時間越長,它就會被調用很多次.我該如何防止這種情況？

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