ViewPager-Plan.md

Intro to ViewPager

• Like a listview that you swipe horizontally
• Need to write 3 (4?) methods to make it work
• finding the context inside to create view
• Page Left/Right buffer and increase it

Basics (done)

Views

Fragment

Pager Indicators

• ViewPager v4.PagerTabStrip
• ViewPager v4.PagerTitleStrip

Offscreen buffer

OnPageChange

Advanced

PagerIndicator

• ViewPagerIndicator: https://github.com/JakeWharton/ViewPagerIndicator display title, different adapter
• CirclePagerIndicator : https://github.com/ongakuer/CircleIndicator
• Google Tab indicator: https://developer.android.com/samples/SlidingTabsBasic/src/com.example.android.common/view/SlidingTabLayout.html http://www.android4devs.com/2015/01/how-to-make-material-design-sliding-tabs.html

Updating DataSet

- Dirty trick : http://stackoverflow.com/a/7287121/1343997
- using tag http://stackoverflow.com/questions/7263291/viewpager-pageradapter-not-updating-the-view/8024557#8024557

Design

Clickable tab, background selector, Ripple background selector

Update title -> vpi.notifyDataSetChanged

Update title color

update title color when selected -> xml color selector

Architecture

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ViewPager Dry

• Like listview evolving into recyclerView

ViewPager Indicator -> Jake Wharton

• make it work
• Display title
• Update title ->
• Change Title Color on selection
• Smooth highlight tab bottom change between tabs

Custom View

Same basic View repeated on each tab

• Handle like RecyclerVier

Same List repeated on each tab

Different View on each

• Provide View at creation via add

Fragment ViewPager

Same Fragment

Different Fragment

a lire:

• articles sur ViewPager
• android doc, mentionne que c'est une classe vouee a changer?
• voir viewpager sur stack overflow, les plus grosses questions
• Google Architecture -> est-ce qu'il utilise un view pager dans sa structure?

https://developer.android.com/reference/android/support/v4/view/ViewPager.html