Minor fragment/coil fixes

Update LoadingFragment path to prevent a crash on startup. Also switch how CoilUtils handles ArtistImageFetcher so that it doesnt cause a memory leak.

app/src/main/java/org/oxycblt/auxio/MainActivity.kt

@@ -18,9 +18,9 @@ import com.google.android.material.tabs.TabLayout
 import com.google.android.material.tabs.TabLayoutMediator
 import org.oxycblt.auxio.databinding.ActivityMainBinding
 import org.oxycblt.auxio.library.LibraryFragment
+import org.oxycblt.auxio.library.SongsFragment
 import org.oxycblt.auxio.music.MusicViewModel
 import org.oxycblt.auxio.music.processing.MusicLoaderResponse
-import org.oxycblt.auxio.library.SongsFragment
 import org.oxycblt.auxio.theme.accent
 import org.oxycblt.auxio.theme.getInactiveAlpha
 import org.oxycblt.auxio.theme.getTransparentAccent
@@ -58,7 +58,8 @@ class MainActivity : AppCompatActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        binding = DataBindingUtil.setContentView<ActivityMainBinding>(
+
+        binding = DataBindingUtil.setContentView(
             this, R.layout.activity_main
         )
 
@@ -105,16 +106,17 @@ class MainActivity : AppCompatActivity() {
         )
 
         musicModel.response.observe(
-            this, {
+            this,
+            {
+                // When the load is completed successfully, remove the loadingFragment view
+                // and replace it with the ViewPager, now that its loaded.
                 if (it == MusicLoaderResponse.DONE) {
-                    binding.loadingFragment.visibility = View.GONE
+                    // binding.loadingFragment.visibility = View.GONE
                     binding.viewPager.visibility = View.VISIBLE
                 }
             }
         )
 
-        musicModel.go()
-
         Log.d(this::class.simpleName, "Activity Created.")
     }
 

app/src/main/java/org/oxycblt/auxio/coil/CoilUtils.kt

@@ -11,8 +11,6 @@ import org.oxycblt.auxio.music.models.Album
 import org.oxycblt.auxio.music.models.Artist
 import org.oxycblt.auxio.music.models.Song
 
-private var artistImageFetcher: ArtistImageFetcher? = null
-
 // Get the cover art for a song or album
 @BindingAdapter("coverArt")
 fun ImageView.getCoverArt(song: Song) {
@@ -44,14 +42,11 @@ fun ImageView.getArtistImage(artist: Artist) {
             uris.add(artist.albums[i].coverUri)
         }
 
-        // Initialize the fetcher if it hasn't been already.
-        if (artistImageFetcher == null) {
-            artistImageFetcher = ArtistImageFetcher(context)
-        }
+        val fetcher = ArtistImageFetcher(context)
 
         getDefaultRequest(context, this)
             .data(uris)
-            .fetcher(artistImageFetcher!!)
+            .fetcher(fetcher)
             .error(R.drawable.ic_artist)
             .build()
     } else {

app/src/main/java/org/oxycblt/auxio/library/LibraryFragment.kt

@@ -8,7 +8,6 @@ import android.view.ViewGroup
 import androidx.databinding.DataBindingUtil
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
-import androidx.lifecycle.ViewModelProvider
 import org.oxycblt.auxio.R
 import org.oxycblt.auxio.databinding.FragmentLibraryBinding
 import org.oxycblt.auxio.music.MusicViewModel

app/src/main/java/org/oxycblt/auxio/library/SongsFragment.kt

@@ -8,7 +8,6 @@ import android.view.ViewGroup
 import androidx.databinding.DataBindingUtil
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
-import androidx.lifecycle.ViewModelProvider
 import org.oxycblt.auxio.R
 import org.oxycblt.auxio.databinding.FragmentSongsBinding
 import org.oxycblt.auxio.music.MusicViewModel

app/src/main/java/org/oxycblt/auxio/music/MusicViewModel.kt

@@ -6,7 +6,11 @@ import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
-import kotlinx.coroutines.*
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import org.oxycblt.auxio.R
 import org.oxycblt.auxio.music.models.Album
 import org.oxycblt.auxio.music.models.Artist

app/src/main/res/layout/activity_main.xml

@@ -27,7 +27,7 @@
 
         <androidx.fragment.app.FragmentContainerView
             android:id="@+id/loading_fragment"
-            android:name="org.oxycblt.auxio.loading.LoadingFragment"
+            android:name="org.oxycblt.auxio.library.LoadingFragment"
             android:layout_width="match_parent"
             android:layout_height="0dp"
             app:layout_constraintBottom_toTopOf="@+id/tabs"