Android Question Hidden bluetooth pairing notification

Arf · May 5, 2017

When I first pair my bluetooth device to my tablet via my app, I get a "Accept Pairing?" popup.
No PIN is required as the device I am connecting to is in JustWorks PIN mode, so it's just a YES or NO answer.

My app is a fullscreen app, and on some devices the "Acccept Pairing" notification doesn't pop up on top of my app, so users are going to not know it's there and this spells trouble.

I found the BtAutoPair library, tried it but it uses a PIN code and pairing with my device always fails no matter what pin I use, as it doesn't need a PIN.

so 2 questions:
1: Is there any way I can force the pairing notification to go on top of my app always?
2: I found some code here: http://stackoverflow.com/a/30362554
One line is device.setPairingConfirmation(true), which looks promising for me to use. So my question here is, is there any way I can run this code in B4A, or would I have to make a library to do that? I've never made a library before and know little about java so I am hoping there might be some inline method I can use.

Thanks

Erel · May 7, 2017

Create a service named BTPair.

1. Add this code to the manifest editor:

B4X:

AddReceiverText(BTPair,
<intent-filter>
<action android:name="android.bluetooth.device.action.PAIRING_REQUEST" />
</intent-filter>)

2. In Service_Start of that service:

B4X:

If StartingIntent.Action = "ACTION_PAIRING_REQUEST" Then
Dim jo As JavaObject = StartingIntent
Dim device As JavaObject = jo.RunMethod("getParcelableExtra", Array("android.bluetooth.device.extra.DEVICE"))
device.RunMethod("setPairingConfirmation", Array(True))

moeinashkani · Apr 26, 2020

when i add your code to manifest erorr will apear,my inserting code is like this,is it incorrect?

XML:

AddManifestText(
AddRecieverText(BTPair,
<intent-filter>
<action android:name="android.bluetooth.device.action.PAIRING_REQUEST" />
</intent-filter>)
<uses-sdk android:minSdkVersion="5" android:targetSdkVersion="28"/>
<supports-screens android:largeScreens="true"
 android:normalScreens="true"
 android:smallScreens="true"
 android:anyDensity="true"/>)

SetApplicationAttribute(android:icon, "@drawable/icon")
SetApplicationAttribute(android:label, "AraElectrodeLab")
CreateResourceFromFile(Macro, Themes.DarkTheme)

Jorge M A · Apr 26, 2020

moeinashkani said:
manifest erorr

Please post the error message, as text.

moeinashkani · Apr 26, 2020

error is:
Error parsing manifest script:<br />Line = 5, Word = (<br />

Erel · Apr 26, 2020

Your manifest code is wrong. AddReceiverText shouldn't be inside AddManifestText.

moeinashkani · Apr 26, 2020

thanks Erel, so it should be like this?

XML:

AddManifestText(
<intent-filter>
<action android:name="android.bluetooth.device.action.PAIRING_REQUEST" />
</intent-filter>
<uses-sdk android:minSdkVersion="5" android:targetSdkVersion="28"/>
<supports-screens android:largeScreens="true"
android:normalScreens="true"
android:smallScreens="true"
android:anyDensity="true"/>)

SetApplicationAttribute(android:icon, "@drawable/icon")
SetApplicationAttribute(android:label, "AraElectrodeLab")
CreateResourceFromFile(Macro, Themes.DarkTheme)

Jorge M A · Apr 26, 2020

moeinashkani said:
Error parsing manifest script

Please note that there is a typographical error in the sample code:

Erel said:

B4X:

AddRecieverText(BTPair,
<intent-filter>
<action android:name="android.bluetooth.device.action.PAIRING_REQUEST" />
</intent-filter>)

Must be: AddReceiverText

Erel · Apr 26, 2020

Jorge M A said:
Please note that there is a typographical error in the sample code:

Fixed.

moeinashkani said:
hanks Erel, so it should be like this?

No. Simply add the snippet at the end of the manifest editor.

moeinashkani · Apr 26, 2020

Thanks, but Erel said that AddRecivedtext not should be in manifest.

you said that it be " AddReciveText( " not "AddReciveText(BTPair,"

which is correct?

Erel · Apr 26, 2020

I don't understand why you make it more complicate than it should be. Just copy and paste it.

Example:

For further discussion please start a new thread.

Android Question Hidden bluetooth pairing notification

Arf

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Erel

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