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I'm having a hard time figuring out how this statement can be even remotely accurate.

charrondev 7y ago
Whenever new frameworks or pieces of android come out, they are often accompanied by a compatibility library that you can ship in your app to use the new API and target older platform versions.
- eugeniub 7y ago
  Ok, that's a fair point.
myko 7y ago
Do you develop Android apps? Google also announced a declarative UI framework. It's in the early stages and is open source. Android is on 9.x but that framework will run on much older versions of Android. Meanwhile iOS 12 might be on 85% of iOS devices but it wont ever see SwiftUI.
- yoz-y 7y ago
  Vast majority of the people with iOS12 will update. Also, at least on the announcement page, there seems to be no mention of iOS13 required for running apps using SwiftUI. Up until Swift 5 the whole runtime library needed to be shipped with the app and it is quite possible that a SwiftUI library could be shipped and run on iOS12. Edit: On Apple developer forums I've read that the library is annotated with iOS13 requirement.
  - myko 7y ago
    The vast majority of folks will update right away. Not enough to convince my stakeholders that we don't need to support at least one major version back. I'll probably fight that harder this year than in previous years - SwiftUI looks incredible and any AutoLayout code already feels like legacy.
    - yoz-y 7y ago
      Yeah, I agree that Apple should have added at least one version worth of backwards compatibility if they want to see quick adoption. I suppose one could hide the whole view in defines and lug two implementations but that is not much better than waiting for one year.
- antfarm 7y ago
  It will not be on 85% of iOS devices once iOS 13 is available.
  - myko 7y ago
    Sure, but my company (and I assume most) will maintain support for at least the last two major versions of iOS. We wont be able to be minimum iOS 13 until ~September 2020 at the earliest, probably not until early 2021. I understand why, I just wish they could release this open source like Jetpack Compose. Would've been a great way to introduce SPM to Xcode and iOS as well.
- eugeniub 7y ago
  What UI framework are you talking about? Flutter?
  - myko 7y ago
    Jetpack Compose - https://developer.android.com/jetpack/compose https://developer.android.com/jetpack/compose
dep_b 7y ago
> I'm having a hard time figuring out how this statement can be even remotely accurate. I'm not even an Android developer and I already know that tons of Android libraries get back ported to older Android versions. They have to. Nobody runs the latest Android. It's a bit shocking to get downvoted for a statement that's undeniably true.

Whenever new frameworks or pieces of android come out, they are often accompanied by a compatibility library that you can ship in your app to use the new API and target older platform versions.

eugeniub 7y ago
Ok, that's a fair point.

myko 7y ago

Do you develop Android apps? Google also announced a declarative UI framework. It's in the early stages and is open source. Android is on 9.x but that framework will run on much older versions of Android. Meanwhile iOS 12 might be on 85% of iOS devices but it wont ever see SwiftUI.

yoz-y 7y ago
Vast majority of the people with iOS12 will update. Also, at least on the announcement page, there seems to be no mention of iOS13 required for running apps using SwiftUI. Up until Swift 5 the whole runtime library needed to be shipped with the app and it is quite possible that a SwiftUI library could be shipped and run on iOS12. Edit: On Apple developer forums I've read that the library is annotated with iOS13 requirement.
- myko 7y ago
  The vast majority of folks will update right away. Not enough to convince my stakeholders that we don't need to support at least one major version back. I'll probably fight that harder this year than in previous years - SwiftUI looks incredible and any AutoLayout code already feels like legacy.
  - yoz-y 7y ago
    Yeah, I agree that Apple should have added at least one version worth of backwards compatibility if they want to see quick adoption. I suppose one could hide the whole view in defines and lug two implementations but that is not much better than waiting for one year.
antfarm 7y ago
It will not be on 85% of iOS devices once iOS 13 is available.
- myko 7y ago
  Sure, but my company (and I assume most) will maintain support for at least the last two major versions of iOS. We wont be able to be minimum iOS 13 until ~September 2020 at the earliest, probably not until early 2021. I understand why, I just wish they could release this open source like Jetpack Compose. Would've been a great way to introduce SPM to Xcode and iOS as well.
eugeniub 7y ago
What UI framework are you talking about? Flutter?
- myko 7y ago
  Jetpack Compose - https://developer.android.com/jetpack/compose https://developer.android.com/jetpack/compose

dep_b 7y ago

> I'm having a hard time figuring out how this statement can be even remotely accurate. I'm not even an Android developer and I already know that tons of Android libraries get back ported to older Android versions. They have to. Nobody runs the latest Android. It's a bit shocking to get downvoted for a statement that's undeniably true.