is it possible to create an ios app that will run in the background and detect wifi ssid changes and report to a remote server ?
The app should auto start on device startup.
I dont need the app to be approved for the app store
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I am developing iOS App (iPhone/iPad) that needs be started when the device is turned on.
The app should be started on device boot.
Is this possible on iOS using Swift?
It's not possible to start your app whenever the device boots. Depending on what you need, there may be other alternatives such as running some code in the background when the app receives a Push Notification or turning on Background Fetch, though in the latter case, the system still has control on when to launch your app.
is it possible to start a app on iOS with an external trigger? E.g. when BLE beacon is detected, WIFI connection is established or NFC tag detected?
I want to auto start the app without the needs of manually setting up routines like in IFTTT.
Is there also a list all with possible triggers for starting an app in iOS?
I'm looking forward for your reply.
Tom
I am planning to develop an iOS application using CoreBluetooth framework which monitors a pedometer peripheral continuously and counts the footsteps.
I know that if backgroud execution mode is set to BLE Central, the application will continue to receive BLE events even in the background.
Apple documentation states that in case the app gets terminated due to low memory, the system can keep track of BLE events for a particular Central Manager if state preservation and restoration is adopted.
Assume I have an iOS application that operates in Central mode. The app is subscribed to receive notification from a Pedometer when ever the footstep characteristic changes.
I have adopted the following in my app.
BLE Central background mode
BLE State preservation/restoration for Central Manager
I start my app, Scan, Pair and Connect to the pedometer and the app starts receiving footsteps.
My Questions:
Now if the iPhone reboots, Will I continue to receive BLE events so that my app will be launched in the background without the user having to manually launch the application again and connect to the pedometer?
If the app is terminated by the user explicitly using the multitasking gesture, Will the app be able to receive BLE events without the user having to manually launch the application again and connect to the pedometer?
Is there a way to launch my application on iOS boot up?
Now if the iPhone reboots, Will I continue to receive BLE events so that my app will be launched in the background without the user having to manually launch the application again and connect to the pedometer?
Your app won't receive BLE events because all apps are started in the terminated state after a reboot (despite remaining in the app switcher). The user will have to manually launch your app at least once after reboot in order for it to use BLE.
If the app is terminated by the user explicitly using the multitasking gesture, Will the app be able to receive BLE events without the user having to manually launch the application again and connect to the pedometer?
Same as above, the app has entered the terminated state, so it won't be able to communicate using BLE until it is explicitly launched again.
Is there a way to launch my application on iOS boot up?
iOS doesn't provide any way to launch your application on boot.
The one exception to all of this that I can find is iBeacons. If your app registers to receive updates for a specific iBeacon, iOS will launch your app when it finds it (even after a reboot or if the user explicitly kills it from the switcher). When you get the iBeacon callback you can start all your BLE logic and it will then run in the background per usual. Of course this means you need to advertise as an iBeacon on your pedometer, which may or may not be feasible.
Bear in mind the detection of the iBeacon is pretty finicky, especially after a reboot. You have little guarantee as to how fast or even if you will be delivered the iBeacon callback to start your app. But it's something.
Source
I am working on an iOS app that will interact with an external bluetooth device. The device must start the bluetooth connection with the iOS device and iOS should call my [perhaps closed] app to process the request. This should work even if the app was not opened since reboot. Is that possible?
I need it to be in real time, It's not a solution to pull the data from the iOS app periodically, the connection must be started by the external device.
In Android this is very easy using an BroadcastReceiver, the OS receives the bluetooth event of the device trying to start a connection, calls my declared BroadcastReceiver and it starts my app.
Thanks
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.