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simplifying the automatic transitions and matching iOS by scheduling the next transition once the page settles

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- means there's always a 5 second delay when manually skipping toa page
This commit is contained in:
Adam Brown 2022-01-07 15:51:03 +00:00
parent a0bda02824
commit 70c82443ee
1 changed files with 20 additions and 7 deletions
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27
vector/src/main/java/im/vector/app/features/onboarding/ftueauth/FtueAuthSplashCarouselFragment.kt
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@ -23,6 +23,7 @@ import android.view.View
import android.view.ViewGroup
import androidx.core.view.isVisible
import androidx.lifecycle.lifecycleScope
import androidx.viewpager2.widget.ViewPager2
import com.airbnb.mvrx.withState
import com.google.android.material.dialog.MaterialAlertDialogBuilder
import com.google.android.material.tabs.TabLayoutMediator
@ -30,14 +31,14 @@ import im.vector.app.BuildConfig
import im.vector.app.R
import im.vector.app.core.extensions.incrementByOneAndWrap
import im.vector.app.core.extensions.setCurrentItem
import im.vector.app.core.flow.tickerFlow
import im.vector.app.databinding.FragmentFtueSplashCarouselBinding
import im.vector.app.features.VectorFeatures
import im.vector.app.features.onboarding.OnboardingAction
import im.vector.app.features.onboarding.OnboardingFlow
import im.vector.app.features.settings.VectorPreferences
import kotlinx.coroutines.flow.launchIn
import kotlinx.coroutines.flow.onEach
import kotlinx.coroutines.Job
import kotlinx.coroutines.delay
import kotlinx.coroutines.launch
import org.matrix.android.sdk.api.failure.Failure
import java.net.UnknownHostException
import javax.inject.Inject
@ -81,10 +82,22 @@ class FtueAuthSplashCarouselFragment @Inject constructor(
}
views.splashCarousel.apply {
val itemCount = carouselAdapter.itemCount
tickerFlow(lifecycleScope, delayMillis = CAROUSEL_ROTATION_DELAY_MS)
.onEach { setCurrentItem(currentItem.incrementByOneAndWrap(max = itemCount - 1), duration = CAROUSEL_TRANSITION_TIME_MS) }
.launchIn(lifecycleScope)
var scheduledTransition: Job? = null
registerOnPageChangeCallback(object : ViewPager2.OnPageChangeCallback() {
override fun onPageSelected(position: Int) {
scheduledTransition?.cancel()
scheduledTransition = scheduleCarouselTransition()
}
})
scheduledTransition = scheduleCarouselTransition()
}
}
private fun ViewPager2.scheduleCarouselTransition(): Job {
val itemCount = adapter?.itemCount ?: throw IllegalStateException("An adapter must be set")
return lifecycleScope.launch {
delay(CAROUSEL_ROTATION_DELAY_MS)
setCurrentItem(currentItem.incrementByOneAndWrap(max = itemCount - 1), duration = CAROUSEL_TRANSITION_TIME_MS)
}
}