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I want to know how to create service in flutter that service work in background of app.Any example about that.I researched but it but couldn't find a solution to do. for android and ios
I had the same problem to solve in one of my projects.
Unfortunately, Flutter does not provide any way to implement always-on service.
Moreover, iOS does not allow anything like this unless you are running some predefined services like Music Player.
So we can implement this natively as follows(with some limitations on iOS):
Android:
I implemented Foreground Service in Android. https://developer.android.com/guide/components/services#StartingAService
Then, I used MethodChannels to start and stop the service from Flutter.
https://flutter.dev/docs/development/platform-integration/platform-channels
iOS:
Only specific background tasks are allowed on iOS. Check below:
More here: https://developer.apple.com/documentation/uikit/app_and_environment/scenes/preparing_your_ui_to_run_in_the_background/updating_your_app_with_background_app_refresh
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Is there any application that make me design my android app like SceneBuilder for javafx but for Flutter?
I would love if there's one.
Windows Application
If i understood your request take a look at flutter flow
Flutter flow
And this is a great video about the latest version from flutter
https://youtu.be/V18UL-sUsqk
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Is it really possible to code only once and run it without changes cross-platform on Windows, MacOS, Linux, iOS, Android and Web? Make and host interactive websites like e.g. web shops?
How do you like GUI-development with those tools, and could they also handle e.g. crypto, AI or desktop automation tasks?
Are there any (recommendable) books about Dart and Flutter? Is there enough documentation in general to get everything done that can be done without too much headache? How did you become proficient in Dart & Flutter?
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I'm developing an app in flutter and, after a certain event occurs in the background, I need to trigger an alarm that alert the user. I was only able to trigger a pop-up notification but not an alarm. How can I do?
For the android part you can use the package "android_alarm_manager": https://pub.dev/packages/android_alarm_manager
I've also checked if there is something equivalent for iOS, but unfortunately it seems like there isn't because of the following reasons answered in this post:
iOS alternative for Android AlarmManager
I'm new to stackoverflow but hope this could help.
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Because of some rumor i'm searching for the Siri API for integrating it to my app.
So, please help me about it.
What this rumor is true or just a rumor.
Is there any trust able API which is serve features like Siri.
Thanks...
The Siri SDK has not yet been made available. It would be a very nice addition, though.
Finally, SiriKit has been released with iOS 10!
However, as a very new feature, only around 7 types of Applications can make use of the API.
I have a YouTube video about how to create a simple Messaging Application using SiriKit: https://www.youtube.com/watch?v=OknS0zecnFU
Rumors continue to say it's coming, now with iWatch adding fuel.
While there is no Siri SDK right now, Nuance does have one (Dragon Mobile). They are the folks behind Dragon NaturallySpeaking and may even be the folks behind Siri.
Here's a link to their SDK,
and a pretty complete tutorial for putting it in an IOS app
There are several other voice recognition libraries, including free ones like openears.
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I need to develop an application on both iphone and android which have to support chart plots.
(Or perhaps a similar chart library for ios/android platforms.)
Or what do you recommend?
Thanks
Your best bet is a pure javascript charting library like Flot.
I've seen plenty of flot tutorials for Android, and according to this link flot works fine on iphone except for the mouseover events.
If your app will work only online you can use this:
http://code.google.com/apis/chart/
Please try this one for iOS:
https://github.com/danielgindi/ios-charts
It is inspired by an Android library called MPAndroidChart.
I recommend looking into building the application using Adobe AIR.