ANCS Notifications in Core Bluetooth Framework - ios

I am working with a BLE device which shows all the notifications received on my iOS device. I have set up all the ANCS part form the BLE Device side and it is working successfully.
I am trying to implement a functionality which will include the use of a switch in the settings screen named as "Allow notifications".
As the name suggest, If switched off then the ANCS notifications should not transfer from my device to the BLE device.
This approach is being taken so as the micro controller has to process a lot less information in case the notifications are off.
Please suggest a way if anything is possible from iOS side as we do not have any control over the ANCS notification in Core Bluetooth framework.
Thanks in advance.

I think the easiest way will be to send a command over BLE from the iOS device to the BLE Device to "STOP" listening for ACNS. You could send a special notification class you use for commands to stop listening. You could then re-enable delivery by sending a "GO" command to the BLE Device.
This way you can turn off and on the ability of the BLE Device to listen or not to the ANCS from iOS.

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Show a battery notification with a BLE device

Is it possible to add another device to the batteries widget?
The device is not an headset, and it will be connected via BLE exclusively.
Is there anything that can be done in my application or on the device itself to support this?
Possibly related:
Bluetooth Design Guidelines (section 5)

Broadcast event on IOS

I am new to iOS dev and wanted to learn what's Android's broadcast event equivalent in iPhone. I am trying to find Bluetooth connect/disconnect broadcast event on iOS. I am looking for Bluetooth connectivity between iPhone and any other Bluetooth based device and I want to launch my app on successful connection with Bluetooth and close the app on Bluetooth disconnect.
Example in swift would be awesome.
Thank you.
Look into NSNotificationCenter and do some more research into Bluetooth notifications in iOS. You shouldn't need any examples here to figure it out.

How to send notification from BLE device to hardware using ANCS in ios

I am new in iOS. I need to send notification from BLE device to hardware using ANCS and core bluetooth framework in ios. I came to know that ANCS itself will do task but from my side what kind of code I have to do for sending notification. Please help me to resolve it step by step. Thanks in advance.

Connect iOS device to Bluetooth device with SPP

I'm working on one watch which shows iOS device notification like..
Display Installed app notification
Display Call notification
Display Message notification.. etc
I have read some articles and came to know about GATT and ANCS, and this two itself enough to display iOS device notification on other bluetooth device.
Generic Attribute(GATT) Profile : https://developer.bluetooth.org/TechnologyOverview/Pages/GATT.aspx
Apple Notification Center Service(ANCS):
https://developer.apple.com/library/ios/documentation/CoreBluetooth/Reference/AppleNotificationCenterServiceSpecification/Introduction/Introduction.html
Is that mean I do not need any iOS application to handle iOS device notification?
Currently my watch is built up with SPP, do I need to make any modification in that?
I also came to know that I have to apply for MFi Program(https://developer.apple.com/programs/mfi/).
is MFi necessary for My watch with the idea I have mentioned above?
Any suggestion will be appreciated.
Thanks in advance
SPP is classic BT whereas ANCS uses BTLE.
ANCS is free to use.
https://developer.apple.com/library/ios/documentation/CoreBluetooth/Reference/AppleNotificationCenterServiceSpecification/Specification/Specification.html#//apple_ref/doc/uid/TP40013460-CH1-SW18

Communicating with a Bluetooth Classic device in iOS when the app is in the background?

I'm working on iOS development for a bluetooth peripheral. We want the (already paired) device to connect when a button is pressed on it, and this will cause the app to execute some code. Is it possible for the app to detect that the device is connected, even while in the background?
Also, is it possible for the app to bring itself into the foreground when this is detected? Would I need to be a member of the MFi program to do either of these things?
You will be able to detect that the device is connected in the background using Bluetooth 2.0, however you must include the App communicates with an accessory string under Required Background Modes in the app's plist.
So yes, the first part of your question is doable. However when you say: "We want the (already paired) device to connect when a button is pressed on it", it is important to note that this functionality must be built into the device's firmware. The app can always be searching for it, but the device will not be able to communicate with the phone until it connects. Therefore, the button must wake up the device and signal that it now wants to connect.
For the third part of your question, you will not be able to bring the app into the foreground without the user opening the app.
Btw, CoreBluetooth is the Bluetooth Low Energy framework for iOS. It is completely different from Bluetooth 2.0.
as ttarules told you iphone can't connect automaticly to a paired device.
I don't know what kind of bluetooth receiver have you in your device but generally you can set up a method of "AUTOCALL" that automatically call a paired device (in this case an iPhone).
When you (your iPhone) come around the device it automatically establish a connection!
If you set all the parameters correctly in the bluetooth module you can make sure that the iPhone shows a message like this: "YourDevice would like access to YourApplication" when the connection is established.
this way helps the user to use your application and you can run the code you mentioned above when the app start.

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