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Bonjour over bluetooth WITHOUT Gamekit ?

Just announce the service, just like tc. has said below: self.netService = [[[NSNetService alloc] initWithDomain:@”” type:@”_http._tcp” name:@”” port:8080] autorelease]; [self.netService publish]; With iOS5, however, let’s-call-it “Bluetooth Bonjour” is disabled by default, so you have to use the C API declared in <dns_sd.h>. DNSServiceRef serviceRef; DNSServiceRegister(&serviceRef, // sdRef kDNSServiceFlagsIncludeP2P, // interfaceIndex 0, // flags NULL, // … Read more

Core Bluetooth advertise and scan in the background

I’m afraid what you are trying to do will not work. I have tried to achieve the same thing. The problem is the difference in scanning in foreground and background. When you are scanning for devices in the foreground you can scan for anything. In the background you must specify the actual service UUID you … Read more

Receive audio via Bluetooth in Android

No. Trying to write an Android application that handles this will not be the solution. At least if you want to use A2DP Sink role. The fact is that Android, as you mentioned it, does not implement the API calls to BlueZ (the bluetooth stack Android uses till Jelly Bean 4.1) regarding A2DP sink capabilities. … Read more

getBluetoothService called with no BluetoothManagerCallback

By reading into the Android source code, it seems to be a warning you cannot do anything about. The source code shows that if you call BluetoothSocket#connect(); Then it will call BluetoothAdapter.getDefaultAdapter().getBluetoothService(null); The key here, is the null parameter that it passes in the above line. Due to this, there will be no callback, and … Read more

Android Bluetooth Example [closed]

I have also used following link as others have suggested you for bluetooth communication. http://developer.android.com/guide/topics/connectivity/bluetooth.html The thing is all you need is a class BluetoothChatService.java this class has following threads: Accept Connecting Connected Now when you call start function of the BluetoothChatService like: mChatService.start(); It starts accept thread which means it will start looking for … Read more

How can I avoid or dismiss Android’s Bluetooth pairing notification when I am doing programmatic pairing?

Try setting the confirmation first in the PAIRING_REQUEST BluetoothDevice device = intent.getParcelableExtra(“android.bluetooth.device.extra.DEVICE”); device.getClass().getMethod(“setPairingConfirmation”, boolean.class).invoke(device, true); device.getClass().getMethod(“cancelPairingUserInput”).invoke(device); This worked for me between two Android devices using RFCOMM but I’m not entering any PINs

Bluetooth file transfer Android

I was able to solve this problem by sending small chunks of data out to the bluetooth outstream. It turned out that 8 * 1024 was a good buffer size, which helped in sending out data seamlessly over the stream as well as preventing corruption of data at the receiving end. BufferedInputStream bis = new … Read more

Android Bluetooth Serial/RFCOMM/SPP, How to Change the BAUD RATE?

Edit: Fixed some errors. There’s no good information on the internet about this – and lots of it is wrong – don’t trust anyone! In particular, these two things are not true: RFCOMM and SPP (Serial Port Profile) are two names for the same thing. (They are however very closely related.) There’s no need to … Read more

Since marshmallow update Bluetooth discovery using BluetoothAdapter.getDefaultAdapter().startDiscovery(); is broken

Bluetooth Adapter has been change in Android 6.0 You need to set the permission ACCESS_FINE_LOCATION or ACCESS_COARSE_LOCATION permission and need to use BluetoothLeScanner.startScan() method to start the scan. Below is the description from change logs: To provide users with greater data protection, in Android 6.0, Android removes programmatic access to the device’s local hardware identifier … Read more

How many devices we can pair via Bluetooth of BLE to Android?

A search of the Android Bluetooth Firmware source shows the following: Max concurrent active synchronous connections (BTA_GATTC_CONN_MAX): 4 on Android 4.3 7 on Android 4.4+ Max concurrent active notifications (BTA_GATTC_NOTIF_REG_MAX): 4 on Android 4.3 7 on Android 4.4 15 on Android 5.0+ As a comparison my experience with iOS is that 8 devices can be … Read more