View Pager + WormDotsIndicator The viewpager is selected to current item (which can be any position), but I am not able to select the dot indicator to that position of viewpager programatically.

I'm using the WormDotsIndicator My App is only in English but I have supportRtl=true in my manifest

When the device is in an RTL language the the view isn't visible (Although I can see it's taking the correct space when I do "Show layout bounds" on the device

I have 2 items in my viewpager and the dots indicator initialises with 3 dots

I can't see why - but if is set the viewpager to the second page then it initialises with 2 dots.

i think the problem is that in refreshDots() you call buildDot which adds a child view (dot) to the layout - if dotIndicatorView is not initialised.

You need to remove this view after you find that the viewpager adapter has pages - in that same refreshDots() method

Hi, we have a problem with the library when we have a view pager 2 that changes his size.

At start we have 3 items and everything is good. After that i delete the central item and i slide programmatically my view pager to the first item, but the indicator doesn't refresh. It shows two dots correctly, but when i am in the first item of the pager it doesn't show any dot selected and when i move to the Second and last item the indicator shows the first dot as selected.

The only way to return to normal situation is go back to another activity and open again the one that contains the DotsIndicator.

We have also tried with tab layout and we see that it works, so we think is a Library problem. Can you send us some instruction or make a new release for avoid this?

Thank you so much.

Matteo

Steps to reproduce:

Viewpaper + WormDotsIndicator

• Swipe to the last item
• Swipe back to the first item => always show the second dot instead of the first dot.

Hi, I use navigation graph in my app and when I leave fragment which contains viewpager and come back (click on "skip" button in attached gif), viewpager's position is retained, but dots indicator is reset. I know that view is recreated when leaving and coming back, but I noticed ViewPager2.OnPageChangeCallback's onPageSelected is called with last position, but dots indicator somehow doesn't react. But when I scroll , indicator jumps to correct position. Please have a look at attached video. Thanks

this is how it's initialised in onActivityCreated() method:

        val pagerAdapter = MyViewPagerAdapter(activity!!)
        viewPager.adapter = pagerAdapter
        pagerIndicator.setViewPager2(viewPager)

I don't see any notifyDataSetChanged() method that updates items in dotsIndicator adapter ?

When i add new item in my main viewpager adapter my app get crash. See below logs

10.09.19 14:57
Version: 1.0.43 (1043tackTrace)
Thread[main,5,main]
Exception: java.lang.ArrayIndexOutOfBoundsException
Message: length=10; index=-1
Stacktrace:
	java.util.ArrayList.get(ArrayList.java:439)
	com.tbuonomo.viewpagerdotsindicator.SpringDotsIndicator$buildOnPageChangedListener$1.onPageScrolled$viewpagerdotsindicator_release(SpringDotsIndicator.kt:161)
	com.tbuonomo.viewpagerdotsindicator.OnPageChangeListenerHelper.onPageScrolled(OnPageChangeListenerHelper.kt:17)
	com.tbuonomo.viewpagerdotsindicator.BaseDotsIndicator$setViewPager$2$addOnPageChangeListener$1.onPageScrolled(BaseDotsIndicator.kt:218)
	androidx.viewpager.widget.ViewPager.dispatchOnPageScrolled(ViewPager.java:1930)
	androidx.viewpager.widget.ViewPager.onPageScrolled(ViewPager.java:1904)
	androidx.viewpager.widget.ViewPager.pageScrolled(ViewPager.java:1842)
	androidx.viewpager.widget.ViewPager.completeScroll(ViewPager.java:1988)
	androidx.viewpager.widget.ViewPager.scrollToItem(ViewPager.java:692)
	androidx.viewpager.widget.ViewPager.setCurrentItemInternal(ViewPager.java:670)
	androidx.viewpager.widget.ViewPager.setCurrentItemInternal(ViewPager.java:631)
	androidx.viewpager.widget.ViewPager.dataSetChanged(ViewPager.java:1086)
	androidx.viewpager.widget.ViewPager$PagerObserver.onChanged(ViewPager.java:3097)
	androidx.viewpager.widget.PagerAdapter.notifyDataSetChanged(PagerAdapter.java:291)

When I execute DotsIndicator dotsIndicator = findViewById(R.id.dots_indicator_view_pager_insights);, getting an error message straight away

DotsIndicator: You have to set an adapter to the view pager before !

I do set the adapter right after the findViewById, shouldn't the message appear later on, if no adapter has yet been set?

As the title states. I set the ViewPager2 object for the SpringDotsIndicator in the onCreate() method of my activity, and don't do anything else with the SpringDotsIndicator:

    @Override
    protected void onCreate(final Bundle savedInstanceState) {
        ...
        final ViewPager2 viewPager = findViewById(R.id.tutorial_pager);
        final FragmentStateAdapter pageAdapter = new MyPageAdapter(this);
        viewPager.setAdapter(pageAdapter);
        final SpringDotsIndicator dotsIndicator = (SpringDotsIndicator) findViewById(R.id.spring_dots_indicator);
        dotsIndicator.setViewPager2(viewPager);
        ...

It behaves correctly normally. However, if I'm on e.g. my third fragment and rotate the screen, when the activity is recreated the fragment shown in the new orientation is still the third one, but the dot indicates that we are on the first fragment.

As soon as I slide the fragment slightly the dot catches up and goes to the correct position.

Is this a bug or am I missing some code in order to handle these cases?

viewPager2.setCurrentItem(2, false) dotIndicator.setViewPager2(viewPager2)

the viewPager2 currentItem is 2 but the dotIndicator point always on first

my current version is 4.1.2

Hi, thankss for this Awesome Library, i love it :D, hi dev i have issue when looping banner with ViewPager + DotsIndicator....

in my case, for example i have 10 banner auto looping, and when reaching last banner , viewPager set banner position to 0 again, and the issue coming, Dots Size are become randomizing sized after the last banner....

im sorry for my broken english :D

Execution failed for task ':app:dataBindingMergeDependencyArtifactsStaging'.

Could not resolve all files for configuration ':app:stagingCompileClasspath'. Could not resolve com.tbuonomo:dotsindicator:4.3.

As far I can see dots are center aligned. I can see padding at starting and ending. I have a requirement of showing dots from the start of view without any padding. How to d it

I think it is because of the change and of the current color through a callback (onPageSelected). Similar to

setcolor to red delay(100 ms) setcolor to blue.

Hello !! i update the library from 4.1.2 to 4.3 but i the project doent recognize the library i was investiganting the problem and i can see is asociated to the build variants for reason uknown.

when the project is compiled in "debug" or "release" the library is reconigze but in other variants not, i found this error in de build log :

No matching variant of com.tbuonomo:dotsindicator:4.3 was found. The consumer was configured to find an API of a component, preferably optimized for Android, as well as attribute 'com.android.build.api.attributes.BuildTypeAttr' with value 'develop', attribute 'org.jetbrains.kotlin.platform.type' with value 'androidJvm' but:
          - Variant 'debugVariantMavenApiPublication' capability com.tbuonomo:dotsindicator:4.3 declares an API of a component:
              - Incompatible because this component declares a component, as well as attribute 'com.android.build.api.attributes.BuildTypeAttr' with value 'debug' and the consumer needed a component, as well as attribute 'com.android.build.api.attributes.BuildTypeAttr' with value 'develop'

i appreciate your help