I have a push notification with rich content.
Can I make it in such way that it is not tappable, i.e., a single tap will not open the application. It must be dragged down to rich content or 3D touched, or deleted from the notification center by swiping.
How should I indicate to the user to drag down (3D touch) in order to reveal rich content on notification?
No, a tap on a push notification will always open the notification in the app, and as far as I know there is no way in public API to override this behavior. It does appear there is a private API to get the behavior you’re looking for, as some iOS-generated (local, not push) notifications appear to do exactly what you’re asking. If you can manage to uncover that, use at your own risk should Apple find out.
Now, as for possible solutions: I would consider implementing code on your app’s delegate to respond appropriately when the notification is opened. For example, send the user to an appropriate location in the app when the app is launched from a notification…perhaps a view controller that shows the same content that would be shown as the rich notification content. I don’t know the exact use case, but the wording implies to me that if the app launches to its main interface, it could be confusing to a user.
It’s impossible for me to tell you how exactly you wish to respond to notifications, so for more on responding appropriately when the app was launched from a push notification, see the following documentation from Apple:
Determine Why Your App Was Launched
UIApplicationDelegate.application(_:willFinishLaunchingWithOptions:)
UIApplicationDelegate.application(_:didFinishLaunchingWithOptions:)
UIApplication.LaunchOptionsKey
UIApplication.LaunchOptionsKey.remoteNotification
Hopefully from that you can find a suitable solution. But if that isn’t an option, consider directly telling the user at some point to press firmly (or tap and hold, as many devices do not support 3D Touch) to view the content. You could do this during some onboarding process or, as an absolute last resort, in the notification itself.
Before proceeding down that route, though, understand that not all users know 3D Touch and/or this rich-content functionality even exists — even fewer use it regularly — and if they become confused, they may decide to clear the notification or outright disable your app’s notifications. In general, it’s also a bad idea to “teach” your user unfamiliar ways of using their device. If a user is used to tapping on notifications, as many are, they will most likely tap on your notifications. It can be tough to break that muscle memory.
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I'm currently adding notifications to my Flutter app for IOS, I wanted to add something similar to a largeIcon on Android, so far I didn't find a way to do that, only adding an image which is not a solution since I only want an icon at the right even if the user expands the notification (the image will expand too in this case which is undesirable for my use case).
As an alternative, I was wondering if I could change the notification app icon. As far as I looked around, this is not possible either, but at the same time I saw this image of notifications (the first one and the last one) that have a custom image and the app icon is smaller.
How can I do this in my app? I couldn't find any way in the documentation on how to do it.
You can do this with communication notifications. From HIG:
The system automatically displays a large version of your app icon at
the leading edge of each notification; in a communication
notification, the system displays the sender’s contact image — or
avatar — badged with a small version of your icon.
Here is the documentation on how to implement communication notifications in your app.
Do I want to know if it's possible to detect when a notification from another application is over my app? For example, when the user receives an SMS or Messenger message. Detect the fact that a notification is present on the screen. I don't want the content of the message.
It's an example, It can be a notification for whatever. Because, when a notification is visible, my player's lost because a part of the UI is under the notification. So, if I know when a notification is visible I can change the layout.
It's not possible to handle notifications from other apps. It would be a huge privacy violation.
For example, I have a Notification that occurs when there is an "unauthorized" error returned from the api server that should bring the user back to the login screen. This event could appear anywhere in the program.
Do I create a new viewless controller to manage states and have it monitor for this notification and then present the login view controller?
I'm thinking about push notifications too, received by the app delegate. Some of these may cause the data model to get updated and then the screen to change. Who should make the screen change? In the past I put all this in the AppDelegate. But there must be a more elegant way!
I also found out about FlowControllers. But they don't play nicely with Interface Builder, at least according to this solution.
Please let me know if you need more specific information about my project.
I want to have some information drop down from the top of a view, stay on the screen for a second or two, and then go back up out of the view. I have search for displaying notifications and/or banners. All I get is either push notifications (which I don't need to use) or iAds banners.
I'm working on a barcode scanning app and I want to briefly show the value of the barcode shown without requiring the user to tap on anything. How can I accomplish this?
Don't use notifications and banners, because that might not work: the user can turn them off. In any case this is not a notification of anything, so it's a misuse of notifications.
Just do what you described, yourself: animate a view onto the screen, and then (in the animation's completion handler) use delayed performance to animate the view right back off the screen after a short delay.
You should use a view which manages its own state (INCOMING, STAY PUT, OUTGOING). This way you can reduce the memory footprint and many other bugs in the process. I coded something for a similar process. Check it out
I would like to perform a different action when my app moves to the background depending upon if its moving to that state because there is an incoming phone call, or if its moving to that state because the user has hit the home button.
In both cases the app delegate receives a willResignActive:, then a didEnterBackground: call. Therefore from the app delegate calls alone it would appear its not possible to determine the difference.
Is there some way?
UIApplicationDelegate Protocol has a variety of methods for Monitoring Application State Changes.
Unfortunately (for you), going into the background is going into the background, there is no differentiation as to why. Given Apple's app design of walling everything off (for security reasons) I don't see them providing you details about what's going on on the phone outside your application.
I would certainly question the need for different behavior in those two cases, but I don't know the details of your app.