TabViewPager | RecyclerView library
kandi X-RAY | TabViewPager Summary
kandi X-RAY | TabViewPager Summary
TabViewPager,通过简单的接口实现ViewPager,Head,TabLayout,RecyclerView组合展示
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Community Discussions
Trending Discussions on TabViewPager
QUESTION
I have been trying to pass data from Main Activity to fragments using bundle. I have used TabLayout and ViewPager to add fragments on my activity in Tab format. I don't get any error but I get a null object in return and it displays "ERROR" on my 1st fragment as I have added an If condition for null object. This is my code
Main Activity Code
...ANSWER
Answered 2020-Sep-03 at 20:09When starting the Fragment you can pass parameters through a bundle
QUESTION
There is ViewPager
with 3 pages (FragmentPagerAdapter
)
RealmRecyclerView
in 1st page.
When Realm
is empty "No items" message and "Add" button are represents. It's ok.
So, I've added my first object to Realm
.
EmptyView is still here though I expected to see RealmRecyclerView
(RRV).
When I switching between tab1
and tab2
nothing changes.
But if I swithes to tab3
and then back to my tab1
- RRV
finally appears.
And it doesn't depend on the content of the page.
The appearance of RRV
is affected only by the return from the tab3
as such.
I don't understand the reason.
I rechecked my TabViewPager
, TabAdapter
and Fragments
.
Everything is normal.
There is nothing superfluous, which probably could affect this in my opinion.
Second problem:
When i filter my RRV
through the query by SearchView
widget EmptyView appears with delay.
Eg: if there is "12345" item, EmptyView appears only when query is "1234567" but not "123456" as expected..
Аt the first mismatch RRV
remains visible although it's empty.
And only if difference in two or more characters RRV
is dissappearing.
Removal of superfluous characters also doesn't give a correct representation.
I think there is one reason in both cases. Could you point on the mistake?
FirstFragment.java
...ANSWER
Answered 2018-Jan-12 at 14:53The reason why clicking the 3rd tab then clicking the 1st tab "reloads" and shows your views properly is because the offscreenPageLimit
by default is 1
, so when tab 1
is selected, tab 3
is destroyed, and when tab 3
is selected, tab 1
is destroyed.
So your view is re-created and so it'll show properly.
But to solve your issue, you should use RealmChangeListener to receive notifications when Realm is written to.
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