使用FragmentStatePagerAdapter的ViewPager滞后

Question

I'm trying to build an application made of 10 Fragments using ViewPager along with FragmentStatePagerAdapter (and setOffScreenPageLimit(3) ). There are 5 Fragment which are going to perform realtime updates modifying TextViews, Graphs and ProgressBars (so they're always performing actions on the MainUi thread). In this scenario, when I slide between Fragments the animation is very laggy (takes 1 to 2 seconds to change fragment when I see them for the first time, then it takes less but there are always lags).

What I'm asking is: how can I improve the smoothness of transactions?

Should I change my way to implement fragments (using FragmentManager instead of ViewPager), slow down the animation or perform some sort of operations before the sliding?

I have not so much experience in Android so any help is appreciated.

Answer 1

最终，我找到了由setOffScreenPageLimit参数的增量组成的解决方案。