ScrollLoopViewPager

Android auto scroll loop viewpager

ScreenShot

Import

• maven

<dependency>
<groupId>com.bobomee.android</groupId>
<artifactId>scrollloopviewpager</artifactId>
<version>2.1</version>
<type>aar</type>
</dependency>

• gradle

compile 'com.bobomee.android:scrollloopviewpager:2.1'

Usage

• Simple

privatevoidinitViewPager(Viewview) {
ViewPagerviewPager = ViewFindUtils.find(view, R.id.viewpager);
viewPager.setAdapter(newFragmentStateAdapter(getChildFragmentManager()));
finalBannerControllerbannerController = newBannerController(getActivity());
bannerController.viewPager(viewPager);
viewPager.setOnTouchListener(newView.OnTouchListener() {
@OverridepublicbooleanonTouch(Viewv, MotionEventevent) {
bannerController.dispatchTouchEvent(event);
returnfalse;
}
});
bannerController.startAutoScroll();
}

• BannerConfig

finalBannerConfigbannerConfig = BannerConfig.sConfig(getContext())
.autoScrollFactor(0.8f)
.swipeScrollFactor(1.2f)
.interval(800);
finalBannerControllerbannerController = newBannerController(bannerConfig);
bannerController.viewPager(viewPager);

• BannerController

finalBannerControllerlBannerController = newBannerScroll(lBannerConfig);//use custom configlBannerController.viewPager(lViewPager); // attach viewpagerlViewPager.setOnTouchListener(newView.OnTouchListener() {
@OverridepublicbooleanonTouch(Viewv, MotionEventevent) {
lBannerController.dispatchTouchEvent(event);// dispatchTouchEvent,stop scroll when touchreturnfalse;
}
});

• Advance

viewPager.addOnPageChangeListener(newViewPager.SimpleOnPageChangeListener() {
@OverridepublicvoidonPageSelected(intposition) {
super.onPageSelected(position);
if (bannerController.isFirst() || bannerController.isLast()) {
bannerController.toggleDirection();
}
}
});

Extends

However, you can also customize Viewpager

publicclassInfiniteBannerextendsLoopViewPager {
privateBannerScrollmBannerScroll;
publicInfiniteBanner(Contextcontext) {
super(context);
init();
}
publicInfiniteBanner(Contextcontext, AttributeSetattrs) {
super(context, attrs);
init();
}
privatevoidinit() {
mBannerScroll = newBannerScroll(getContext());
mBannerScroll.viewPager(this);
mBannerScroll.startAutoScroll();
}
@OverridepublicbooleandispatchTouchEvent(MotionEventev) {
mBannerScroll.dispatchTouchEvent(ev);
returnsuper.dispatchTouchEvent(ev);
}
@OverrideprotectedvoidonDetachedFromWindow() {
mBannerScroll.onDetachedFromWindow();
super.onDetachedFromWindow();
}
}

ViewPagerviewPager = ViewFindUtils.find(view, viewpager);
FragmentStateAdapterfragmentStateAdapter = newFragmentStateAdapter(fragmentManager);
viewPager.setAdapter(fragmentStateAdapter);

• see more: FiniteBanner

Config Setting

• interval(long) set auto scroll time in milliseconds, default is DEFAULT_INTERVAL.
• direction(int) set auto scroll direction, default is RIGHT.
• autoScrollFactor(double) set the factor by which the duration of sliding animation will change.
• stopScrollWhenTouch(boolean) set whether stop auto scroll when touching, default is true.
• You may need JakeWharton/ViewPagerIndicator to implement indicator.
• Also you can see DrawableIndicator

Thanks

• imbryk/LoopingViewPager
• Trinea/android-auto-scroll-view-pager