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我試圖從android studio 2修改這個項目，但是當我嘗試從Android 4.4.2運行應用程序並連接到藍牙設備時，它會給出這些錯誤消息。Sensortag20程序崩潰連接到藍牙設備
06-02 14:51:30.126 12669-12669/com.example.ti.ble.sensortag E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.ti.ble.sensortag, PID: 12669
java.lang.IllegalArgumentException: null is not a valid Bluetooth address
at android.bluetooth.BluetoothDevice.<init>(BluetoothDevice.java:564)
at android.bluetooth.BluetoothAdapter.getRemoteDevice(BluetoothAdapter.java:418)
at com.example.ti.ble.common.BluetoothLeService.disconnect(BluetoothLeService.java:635)
at com.example.ti.ble.sensortag.MainActivity.onConnect(MainActivity.java:320)
at com.example.ti.ble.sensortag.MainActivity.onDeviceClick(MainActivity.java:379)
at com.example.ti.ble.sensortag.ScanView$1.onItemClick(ScanView.java:205)
at android.widget.AdapterView.performItemClick(AdapterView.java:299)
at android.widget.AbsListView.performItemClick(AbsListView.java:1152)
at android.widget.AbsListView$PerformClick.run(AbsListView.java:3014)
at android.widget.AbsListView$3.run(AbsListView.java:3865)
at android.os.Handler.handleCallback(Handler.java:808)
at android.os.Handler.dispatchMessage(Handler.java:103)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:5341)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:825)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:641)
at dalvik.system.NativeStart.main(Native Method)
該項目可以在這裏找到SensorTag20 Project。我如何解決這些問題？
SensorTag使用Android 4.2不支持的藍牙LE。 –
對不起我的錯誤，只是意識到我的設備實際上是運行Android 4.4.2。現在會改變。 –