I am really struggling with this problem and I cannot find a way to do it. I need to show the default dialogs from Android when pairing with a Bluetooth device.
Right now I achieved to pair them programmatically with a quite easy method but it only works from API 19. And I need this to be done from API 18.
Right now, when I connect to a device in my app I get the notification asking to pair a device, but it doesn't show the dialog to do so. If I want it, I have to expand the notifications in the device and click in the pair request notification.
Is there any method which I could call, for example when I receive the notification in my broadcast receiver, to show me the default pairing request dialog? And after the user accepts the pairing and inputs the PIN just do the process to pair, dismiss it and keep using the app?
Your help would be much appreciated!
Related
I'm working on Android app that pairs and interacts with BLE accessory. When app initiates pairing with the accessory for the first time one of two things happen:
Either phone shows pairing dialog with the field for PIN code
Phone adds new notification to the statusbar with small BT icon.
User then has to swipe down and tap "Touch to pair with ..." notification that presents the prompt.
What does it depend upon? Is there a way to encourage OS to show dialog instead of the notification?
There is nothing you can do about it. This is totally dependent on the OS (version/variant/manufacturer).
We are developing an android application which connects to Bluetooth device using secure simple pairing. As expected, We observed that when ever the application connects to Bluetooth device using the android provided API's, a pairing confirmation dialog is generated for user confirmation.
On Nexus4, we observed that pairing notification is generated sometimes and the user needs to select the pairing notification to confirm pairing. Looking into the source code of Setting Application, specifically(BluetoothPairingRequest.java), there is a check for screen on/off to decide whether to generate a pairing dialog or notification. In our case, the screen is on, but it still generates a notification. Can someone please provide information on how this usecase(pairing notification) can be avoided.
Thanks in advance.
-Ashwin
Is there a possibility to force dialog show to user for entering a PIN.
I have a barcode reader, that on server side (I think), and he need to get a PIN code. But the problem is that all androids up 2.2 don't won't to show dialog. (The 2.2. show dialog and the pairing are ok).
In my code I reach discovering devices, and the next step is a paring.
I will be thankful for give me some explanations
A Simple answer would be NO, It can't be possible to force user in PIN dialog as it is system generated.
You may create your own System checking for bluetooth pairing. A BroadCastReceiver will help you in this matter.
I am developing an application which connects devices over bluetooth and exchanges messages. It works fine for paired devices, but I would also like it to automatically pair devices that are not paired. Like for example it could store and use the same PIN for pairing requests, I just dont know how to manage this request programatically in my applciation, how to automatically set and send the PIN when you get a pairing request and how to initiate such a request with the predefined PIN code.
Any snippets or thoughts would be highly appreciated! :)
EDIT:
I know its risky, I am developing this app for emergency situations only where no other means but bluetooth is available. Also is there maybe a way of premature pairing with devices without even connecting to them? Like lets say there is a list of MAC Addresses of those devices and I can use them to generate a bond with that devices so that they appear paired on my device?
You can't do this. To do what you want to do would create a huge security risk. Think about it, my device just comes anywhere in bluetooth range of yours and now I can send you anything I want without you knowing? You can't really do this and I highly recommend not trying to subvert it.
Reflecting the setPin method allowed me to send the pin automatically to the other device. I had to implement it in a broadcast receiver that is listening for pairing requests. Although I cant get rid of the dialog it just stucks there on the screen and I dont know how to close it (programatically) and continue the bonding procedure since this dialog is called from inside connect() which is a blocking method. I am not giving up on it yet though :)
With Bluetooth version 2.1 and above there is a method of pairing called the 'just works' association model. This is the lowest security method of pairing and has no protection against man-in-the-middle attacks.
However, this will provide a secure, encrypted link without the need to exchange pin numbers or verify device ID.
The API on different platforms may differ but the underlying HCI messages require that you indicate that your device (or one of the devices) has the following IO capabilities:
No Keyboard, No Display.
As you might have guessed, this is a mode for very
simple devices that use Bluetooth, such as a speaker or headphones.
If you can find the API to configure that, then the 'just works' association mode of Secure Simple Pairing will be used for pairing.
The next step is to store the link keys e.g. bonding. Many devices e.g. mobile phones, will still create a dialogue box to the user to ask if they want to 'remember this device', as user authorisation is specified by the BT specifications... but that's another problem.
I'm trying to create an Android App that makes it very clear and simple for a user to connect to a bluetooth device to collect some data.
Ideally, I'd like to eliminate the pairing request notification and have the app auto-pair to the device but not sure if this is possible. If not, is it possible to customize the pairing request notification? It currently says "To pair with XXX confirm it is showing the passkey..." Can that be customized to be more user friendly?
Is there anyway to bypass this?
Thanks
Don't believe it's possible to avoid pairing.. My opinion is that is mandatory there for security reasons...