allprojects {
     repositories {
 	    ...
 	    maven { url 'https://jitpack.io' }
     }
 }

dependencies {
    implementation 'com.github.kaycool:MultiIndicator:Tag'
}

 <com.kai.wang.space.indicator.lib.MultiFlowIndicator
     	android:id="@+id/spaceFlowIndicator"
     	app:si_max_height="150dp"
     	android:layout_width="match_parent"
     	android:layout_height="wrap_content"/>

 private val mTitles by lazy {     mutableListOf()}

  viewPager.adapter = object : FragmentStatePagerAdapter(supportFragmentManager) {
    	 override fun getItem(p0: Int): Fragment {
        	 	return TestFragment()
     	}

     	override fun getCount(): Int {
         	return mTitles.size
     	}

     	override fun getPageTitle(position: Int): CharSequence? {
         	return mTitles[position]
     	}

 	}

     spaceFlowIndicator.setAdapter(object : MultiFlowAdapter<Any> {
     override fun getItemCount(): Int {
         return mTitles.size
     }

     override fun getView(parent: MultiFlowIndicator, position: Int, t: Any): View {
         val textView = TextView(applicationContext)
         textView.text = mTitles[position]
         textView.setPadding(
             resources.getDimensionPixelOffset(R.dimen.dimen_8)
             , resources.getDimensionPixelOffset(R.dimen.dimen_5)
             , resources.getDimensionPixelOffset(R.dimen.dimen_8)
             , resources.getDimensionPixelOffset(R.dimen.dimen_5)
         )
         return textView
     }

     override fun onSelected(view: View, position: Int) {
         (view as? TextView)?.setTextColor(
             ContextCompat.getColor(
                 applicationContext,
                 android.R.color.holo_red_light
             )
         )

     }

     override fun unSelected(view: View, position: Int) {
         (view as? TextView)?.setTextColor(
             ContextCompat.getColor(
                 applicationContext,
                 android.R.color.black
             )
         )
     }

     override fun getItem(position: Int): Any {
         return mTitles[position]
     }

 })

 spaceFlowIndicator.setViewPager(viewPager)