In ionic, how does the app detect opening of notification area? - angularjs

Is there a way to detect whether notification area of android has been opened while the ionic app is running in foreground?

As far as I know there is no way of detecting this behaviour.

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How to configure a specific setting of ios or android phone in th background if my react native app is open in foreground?

First of all I'm new as React-Native programmer. Currently I want to add a button to my React-Native(Expo) app, in which the user can turn off or on a setting. Is this possible and if so, how can I do that? For example in Android > Settings > Mobile Networks > Turn off mobile roaming?
Thank you in advance
I have tried to use HeadlessJS or a module called background actions. But there are no well documented examples and I also don't know if those modules answer my question. Because my task is more "straightforward" since I keep the app running in the foreground.

React Native Modals remains opened when app is refreshed

While using the application, if there is a react-native 'modal' opened. I need to explicitly close it before refreshing the app. Else it would stay open and I have restart the app to close it.
It is known bug which happens during development only. Don't worry about it, It won't happen in production app
This is a known bug in react-native, more info here
Based on the discussion in the GitHub thread, looks like the solution is not to be expected soon.

Understanding Local Notification in Codename one

I implemented a local notification test per this example https://www.codenameone.com/blog/local-notifications.html
I have the following two questions:
1) can I test local notifications from CN1 simulator. In the link above, I see a local notification test screenshot using the iPhone 6 simulator. Is there a way to force the app to run in background form the simulator in CN1?
2) If a local notification is sent when the app is running in foreground, I understand that the notification will not fire. Is the message lost in this case or is it queued somewhere?
Currently you can only test this on the device, it will work in the native simulator for iOS as you saw in the screeshot. You can run on the native iOS simulator using a Mac and include source.
The message would be lost if you fire in the foreground on iOS as it's the assumption that this is something you can notify within your app more effectively. You can determine if your app is in the foreground using the Display.isMinimized() method. In the foreground case you can use a tool like ToastBar to show a notification.

How to open phone camera in reactjs

I am using 'react-webcam' component in my application. For web it is working for me but in mobile device it is not working. And My client needs that he immediately get to the phone's camera if he click take camera button in mobile device. please anyone help me to fix this issue
Thanks
There is an rpm package which can be used to open the camera. I have not used this yet.
Just try yourself.
npm package
Thanks
As mentioned here, Your service should be served secure, either from localhost or an https connection.
AND in ios>=11 Apple restricts WebRTC to Safari only!

How to get notifications when app is in close mode?

Notifications are currently displaying when the installed app is opened or minimized. Can we display this notifications when app is in close mode.
Do I need any configurations or code changes required to handle this requirement?
Background notifications work when the app is closed and minimized, that is their purpose. Make sure you followed the instructions in the developer guide when setting them up.

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