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Re-add BottomNavigationView animation

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Readd the navigation animation that occurs when an item is selected by the BottomNavigationView.
This commit is contained in:
OxygenCobalt 2020-11-24 09:33:45 -07:00
parent d46b99400f
commit cc9a952b9a
2 changed files with 25 additions and 20 deletions
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41
app/src/main/java/org/oxycblt/auxio/MainFragment.kt
View file

@ -23,7 +23,7 @@ import org.oxycblt.auxio.ui.accent
import org.oxycblt.auxio.ui.getInactiveAlpha
import org.oxycblt.auxio.ui.getTransparentAccent
import org.oxycblt.auxio.ui.toColor
import java.lang.IllegalArgumentException
import kotlin.IllegalArgumentException
class MainFragment : Fragment() {
private val playbackModel: PlaybackViewModel by activityViewModels()
@ -72,8 +72,12 @@ class MainFragment : Fragment() {
binding.navBar.itemIconTintList = navTints
binding.navBar.itemTextColor = navTints
// TODO: Add the navigation
// Do the trick to test if the memleak is real: Nav to songs, nav to playing, nav out of playing, nav to playing album, nav to songs
navController?.let { controller ->
binding.navBar.setupWithNavController(controller)
binding.navBar.setOnNavigationItemSelectedListener {
navigateWithItem(controller, it)
}
}
// --- VIEWMODEL SETUP ---
@ -96,10 +100,13 @@ class MainFragment : Fragment() {
playbackModel.navToSong.observe(viewLifecycleOwner) {
if (it) {
if (binding.navBar.selectedItemId != R.id.library_fragment ||
navController!!.currentDestination?.id == R.id.artist_detail_fragment ||
navController.currentDestination?.id == R.id.genre_detail_fragment ||
detailModel.currentAlbum.value == null ||
detailModel.currentAlbum.value?.id != playbackModel.song.value!!.album.id
(navController!!.currentDestination?.id == R.id.album_detail_fragment
&& detailModel.currentAlbum.value == null
|| detailModel.currentAlbum.value?.id
!= playbackModel.song.value!!.album.id
) ||
navController.currentDestination?.id == R.id.artist_detail_fragment ||
navController.currentDestination?.id == R.id.genre_detail_fragment
) {
binding.navBar.selectedItemId = R.id.library_fragment
}
@ -113,17 +120,15 @@ class MainFragment : Fragment() {
return binding.root
}
/**
* Some custom navigator code based off [NavigationUI] that makes animations function
*/
private fun navigateWithItem(item: MenuItem, navController: NavController): Boolean {
if (item.itemId != navController.currentDestination!!.id) {
val builder = NavOptions.Builder().setLaunchSingleTop(true)
val options = builder.setEnterAnim(R.anim.nav_default_enter_anim)
.setExitAnim(R.anim.nav_default_exit_anim)
.setPopEnterAnim(R.anim.nav_default_enter_anim)
.setPopExitAnim(R.anim.nav_default_exit_anim)
private fun navigateWithItem(navController: NavController, item: MenuItem): Boolean {
if (navController.currentDestination!!.id != item.itemId) {
// Create custom NavOptions myself so that animations work
val options = NavOptions.Builder()
.setLaunchSingleTop(true)
.setEnterAnim(R.animator.nav_default_enter_anim)
.setExitAnim(R.animator.nav_default_exit_anim)
.setPopEnterAnim(R.animator.nav_default_pop_enter_anim)
.setPopExitAnim(R.animator.nav_default_pop_exit_anim)
.build()
return try {
@ -134,6 +139,6 @@ class MainFragment : Fragment() {
}
}
return true
return false
}
}

4
app/src/main/java/org/oxycblt/auxio/detail/AlbumDetailFragment.kt
View file

@ -124,10 +124,12 @@ class AlbumDetailFragment : DetailFragment() {
playbackModel.navToSong.observe(viewLifecycleOwner) {
if (it) {
// Calculate where the item for the currently played song is, and navigate to there.
val pos = detailModel.currentAlbum.value!!.songs.indexOf(playbackModel.song.value)
if (pos != -1) {
binding.albumSongRecycler.post {
// Only scroll after UI creation
val y = binding.albumSongRecycler.y +
binding.albumSongRecycler.getChildAt(pos).y
@ -135,8 +137,6 @@ class AlbumDetailFragment : DetailFragment() {
}
playbackModel.doneWithNavToPlayingSong()
} else {
findNavController().navigateUp()
}
}
}