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Slo-Mo: Ionic 2 Alpha vs 1.1 Sliding Animation on iPhone

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The Ionic team announced the alpha version of Ionic 2 yesterday. According to the article, Ionic 2 has a "new animation system" as well as "dramatically improved performance".

I recorded two videos in slow motion comparing the difference between sliding forward and back using the default templates for Ionic 1 and Ionic 2, as well as the built-in Settings app.  on the iPhone 6 running iOS 8.3 and the iPhone 4 running 7.1.2.

For each test app, I ran ionic run ios --device to install it onto the physical device.

The things I noticed in Ionic 2 are:
On the iPhone 6, the sliding animation seems to be less choppy than on Ionic 1.After tapping a list item there is a longer delay than in Ionic 1 before the new screen starts sliding into view.On the iPhone 4, there is a noticeable blank-out flicker before sliding in the new view. Watch my videos and see if you agree:


iPhone 6
iPhone 4


For reference, here is the ionic info output for each of the apps:

Ionic 1:

Cordova CLI: 5.3.3 …