Android: Human readable error message if BLE is not supported on the platform (Emulator or version < 4.4KitKat)

[dotnet-bluetooth-le]

Android: Human readable error message if BLE is not supported on the platform (Emulator or version < 4.4KitKat)

[smstuebe]

• Where does it crash?
• Do you have a crash log and the code that causes the crash log?
• On which device are you testing?

"It's crash" is not very helpful. 😒

[smstuebe]

More than one month no answer -> close

[allbdeveloper]

Hi, I’m so sorry that I reply so late.
I know you have put big effort to make library.

So sorry again.

BLE Adapter crash on Jellybean and Kitkat. (Both are tested on Xamarin Android Player - not actual device)

• JellyBean
• kitkat

Thanks.

On Jun 15, 2016, at 6:43 AM, Sven-Michael Stübe [email protected] wrote:

More than one month no answer -> close

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[smstuebe]

Ok. We have to review that. Have you tested it on physical devices, too?

[allbdeveloper]

Hi, Thanks for reopening issue.

Not yet.

I will try it asap and send the result to you.

Thanks.

On Jun 16, 2016, at 3:57 PM, Sven-Michael Stübe [email protected] wrote:

Ok. We have to review that. Have you tested it on physical devices, too?

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[smstuebe]

And: You say it's crashing. Please provide the exception messages and the stacktrace.

[allbdeveloper]

Hi, I attached screenshot with crash log. but it's not shown here. (I attached it using email)
DId you see that screenshot from email box? and you want more information? (exception messages & stacktrace)
If so, I will send it.

Plus, It may take little longer to find actual device (Kitkat and Jellybean)

[allbdeveloper]

    

[allbdeveloper]

I tested it on actual device.

Samsung Galaxy Note 1. (SHV-E160L)
Android 4.1.2 (Jelly Bean)
It crash on this device.

[allbdeveloper]

Hi,

I tested it today on actual device (Galaxy Note 1)
Android 4.1.2 - Jelly Bean.

It crash.

And I uploaded screenshots on github’s issue.

Thanks.

On Jun 16, 2016, at 8:18 PM, Sven-Michael Stübe [email protected] wrote:

And: You say it's crashing. Please provide the exception messages and the stacktrace.

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[allbdeveloper]

Oh, I found it from wikipedia .
https://en.wikipedia.org/wiki/Bluetooth_low_energy#Android

BLE's supported from Android 4.3 JellyBean or above.
So It shouldn't work on 4.1 JellyBean.

[xabre]

Android - Check BLE availability by:

• Checking SDK level and notify via log message / custom exception
• Check if Emulator and notify via log message / custom exception

[smstuebe]

We should try do not check if it's a simulator/emulator. Instead we should just check if ble is available.

[xabre]

You should not instantiate the Adapter by calling new.

• If you use the vanilla version (non mvvmcross) of the plugin please resolve IAdapter by calling CrossBluetoothLE.Current.Adapter
• For MvvmCross use Mvx.Resolve

For both cases, if** BLE it's not available on your device** you will get a fake adapter which will not crash and print out error messages.

You can always check availability by callingCrossBluetoothLE.Current.IsAvailable

For more info see our readme.

[allbdeveloper]

Thanks for your answer.