I want to detect the device without using GameKit framework, EAaccessory framework & core Bluetooth framework. Since the device which i want to discover doesn't have BLE.
Can it possible in iOS ?
You will need to be in control of your device, otherwise there is no way.
If you're controlling your other device, you can setup Bonjour on it. Beware this is not an easy walk - neither on the device's side nor on the iOS side.
The Apple docs (https://developer.apple.com/bonjour) don't help too much, but https://github.com/tolo/HHServices might help you get started with the iOS side. (It's designed for iOS to iOS over Bluetooth, but the code should also work with WiFi with minor modifications. It will not work with Non-MFI Bluetooth devices.) For the device side, you might want to have a look at http://jmdns.sourceforge.net.
How could I set the ios devices' (iphone & ipad) bluetooth visible for other ios devices when turn the bluetooth on?
I just want to get and show all the ios devices' name (MFI devices include) nearby in my app when all devices' bluetooth on, and I also want to get devices' deviceID.
I have succed using GameKit.framework to connect two ios devices by using bluetooth, but this requires the two devices run that app together.
Could some one provide me suggest on how to implement it? Thank you very much!
i my self have not worked on it, i know its not good to give link here.But hope these links will get u to start on your-self:
http://www.touchthatfruit.com/ios-bluetooth-development-tutorial-using-game
http://vivianaranha.com/apple-gamekit-bluetooth-integration-tutorial/
http://www.devx.com/wireless/Article/43502/0/page/1
http://developer.apple.com/library/ios/#DOCUMENTATION/NetworkingInternet/Conceptual/GameKit_Guide/Introduction/Introduction.html
happy to help
I'm not exactly sure what you are asking. Setting a device's bluetooth on is not enough. A device needs to be advertising for peers to detected it. I think this might be related to what you are trying to do: http://www.ralfebert.de/tutorials/ios-swift-multipeer-connectivity/.
I tried this tutorial and it was very helpful. It uses Multipeer Connectivity to advertise and browse for peers around. It also displays the deviceID of devices around you.
Is it possible to communicate with an Infrared device (USB Infrared, TV, Mobile Phone, etc) using iOS (iPhone or iPad)?
Well, i know it's possible, since there are many remote/universal remote applications in the AppStore. I basically want to know how?
What are the limitations and
requirements?
What kind of additional hardware is
required? If it's available in the
market?
Which protocols should i know about?
Which iOS libraries can help me in
the process.
Can anyone point me in the right direction. Thanks.
Any devices using IR for controllers are either wifi or have custom hardware that outputs IR signals based off of output from the device. So without using your own hardware, I don't believe this is possible
Infrared isn't unbuilt in iPhone. All those remote apps are wifi based.
The hardware isn't available but there is a hack you can make to the headphone socket.
http://arstechnica.com/apple/news/2011/01/project-hijack-uses-iphone-audio-jack-to-make-cheap-sensors.ars?utm_source=Ars+Technica+Newsletter&utm_campaign=05bfd22285-January_21_2011_Newsletter&utm_medium=email
There is no infrared connectivity within iOS.However there are bluetooth and wifi.Generally you can use bluetooth functionality by importing GameKit framework.Thanks
could i connect my nokia phone to iphone using the following Object..?
1)GKPeerPickerController
2)GKSession
i mean (GameKit)
note that here not two iPhone but it is one iPhone other one is only one Bluetooth device..
thanks and regards
jalju
Could you be a little bit more specific about what your purpose is?
Are you trying to create a cross-platform game or simply transferring data between the devices?
Though the documentation clearly states that:
The GKPeerPickerController class
provides a standard user interface to
allow an iPhone to discover and
connect to another iPhone.
So I don't think this is the right way to go.
Does anyone know what kind of range can you get from the iPhone
bluetooth? Also, would the connection be strictly one to one? I know you
can choose from a number of peers to connect to but once the connection
is established, it seems you can only transfer data between one peer? So
basically, is it possible to create some kind of "multiplayer" experience?
Just answering the range part of your question...
The 10 meter figure for class 2 devices (of which the iPhone is an example) is very much a guideline.
The range of a Bluetooth device is limited by many real world factors. The 2.4 GHz radio frequency used by Bluetooth is strongly absorbed by water. For example, consider an iPhone connected to a Bluetooth mono headset. If the headset is in one ear and the iPhone is in your trouser pocket on the opposite side of your body, then there's a lot of water between the two devices. This will often cause a significant amount of packet loss in practice (you can hear this in the audio being carried). So, in this case, the range is about one meter.
At the opposite extreme, two class 2 devices separated by nothing more than clear air can get ranges of hundreds of meters.
Other factors that influence things are:
Interference - Lots of things use 2.4 GHz. WiFi, for example can cause problems.
Antenna design - Space and cost constraints often mean that the antenna design is sub-optimal. I don't know how good the iPhone is in this respect.
Walls - Generally walls attenuate Bluetooth signals. However, sometimes they are useful reflectors.
Quality of hardware - Some chips work better than others. Even different firmware revisions of the same chip may perform differently. Different versions of the iPhone probably have (or will have) different chips in them.
Protocol - It is possible to work around poor signal quality with error correction and retransmission. Even if the iPhone SDK forces you to use a particular protocol, careful design of your application can make a difference.
So, in summary, you should probably do some real world tests.
The connection is one-to-one, but you can create an adhoc network with one of the phones acting as the master/coordinator. The other phones would route all their communication through the master/coordinator.
One device can theoretically connect to 7 devices. according to the master-slave role, the device can multiplex between each of them giving the user an impression that you are connected to all of them simultaneously. Bluetooth specification does not stop you from doing that.This is theory.
Now for the iphone, whether it can connect to to more than one device can only be answered by apple or someone who knows the iphone bluetooth API. But I am pretty sure the bluetooth chip inside iphone should be able to connect to more than one device.
Range is essentially going to be good enough for a normal sized room to be covered. It can be longer or shorter depending on environmental circumstances, but remember that bluetooth was created to implement short range connections.
A bluetooth device can be part of a piconet of eight devices, one master and up to seven slaves. The slaves cannot communicate with each other, they must talk through the master, think of a star topology with the master in the center. The iPhone SDK has a GameKit framework that can be used to create the network for multiplayer games. Go to developer.apple.com at look at the GKTank and GKRocket sample code to see how it's used. These games only support two players, but the GameKit framework supports more. Look at the app store and you will see games that have four or more players.
Hope this helps to get started.
Apple iPhone 3G has a Class 2 bluetooth module. Class 2 Bluetooth devices have a communication range of 10 meters.
At a given instance a device can connect to just one device because it follows a master/slave communication model. But still we can perform a multiplexing. So we can virtually connect to more than 1 device and by rapidly changing the connected device.
I found a good article here. It explains bluetooth very well.
According to the my knowledge, multicasting is not impossible with bluetooth. So gaining a multiplayer experience is NOT impossible.
The bluetooth in the iPhone is Class-2, with a 10-meter range, approximately.
Unfortunately I can't answer the other parts of your question.
One device can be connected up to 8 others. It all depends on the iPhone bluetooth API (which I don't know anything about), but with Bluetooth itself you could then send data to multiple devices.
I tether my iPhone to my laptop over bluetooth every day, and I seem to remember having done that at the same time as using a bluetooth headset. YMMV.
It’s the latest incarnation of Bluetooth, the wireless device-to-device technology that allows your phone to talk to headsets, car stereos, keyboards and other devices directly, without the need for a router or shared wireless network.