diff --git a/app/src/main/java/code/name/monkey/retromusic/fragments/albums/AlbumDetailsFragment.kt b/app/src/main/java/code/name/monkey/retromusic/fragments/albums/AlbumDetailsFragment.kt
index f4008bbe..3f351fe8 100644
--- a/app/src/main/java/code/name/monkey/retromusic/fragments/albums/AlbumDetailsFragment.kt
+++ b/app/src/main/java/code/name/monkey/retromusic/fragments/albums/AlbumDetailsFragment.kt
@@ -17,11 +17,7 @@ package code.name.monkey.retromusic.fragments.albums
 import android.app.ActivityOptions
 import android.content.Intent
 import android.os.Bundle
-import android.view.Menu
-import android.view.MenuInflater
-import android.view.MenuItem
-import android.view.SubMenu
-import android.view.View
+import android.view.*
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.os.bundleOf
 import androidx.core.text.HtmlCompat
@@ -287,8 +283,8 @@ class AlbumDetailsFragment : AbsMainActivityFragment(R.layout.fragment_album_det
     }
 
     private fun setColors(color: Int) {
-        shuffleAction.applyColor(color)
-        playAction.applyOutlineColor(color)
+        shuffleAction?.applyColor(color)
+        playAction?.applyOutlineColor(color)
     }
 
     override fun onAlbumClick(albumId: Long, view: View) {
diff --git a/app/src/main/java/code/name/monkey/retromusic/fragments/artists/ArtistDetailsFragment.kt b/app/src/main/java/code/name/monkey/retromusic/fragments/artists/ArtistDetailsFragment.kt
index e9f00117..503916f3 100644
--- a/app/src/main/java/code/name/monkey/retromusic/fragments/artists/ArtistDetailsFragment.kt
+++ b/app/src/main/java/code/name/monkey/retromusic/fragments/artists/ArtistDetailsFragment.kt
@@ -223,8 +223,8 @@ class ArtistDetailsFragment : AbsMainActivityFragment(R.layout.fragment_artist_d
     }
 
     private fun setColors(color: Int) {
-        shuffleAction.applyColor(color)
-        playAction.applyOutlineColor(color)
+        shuffleAction?.applyColor(color)
+        playAction?.applyOutlineColor(color)
     }
 
     override fun onAlbumClick(albumId: Long, view: View) {
diff --git a/app/src/main/java/code/name/monkey/retromusic/fragments/base/AbsPlayerFragment.kt b/app/src/main/java/code/name/monkey/retromusic/fragments/base/AbsPlayerFragment.kt
index 7899823f..43c02dfd 100644
--- a/app/src/main/java/code/name/monkey/retromusic/fragments/base/AbsPlayerFragment.kt
+++ b/app/src/main/java/code/name/monkey/retromusic/fragments/base/AbsPlayerFragment.kt
@@ -50,13 +50,13 @@ import code.name.monkey.retromusic.model.lyrics.Lyrics
 import code.name.monkey.retromusic.repository.RealRepository
 import code.name.monkey.retromusic.service.MusicService
 import code.name.monkey.retromusic.util.*
-import java.io.FileNotFoundException
 import kotlinx.android.synthetic.main.shadow_statusbar_toolbar.*
 import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.Dispatchers.Main
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import org.koin.android.ext.android.get
+import java.io.FileNotFoundException
 
 abstract class AbsPlayerFragment(@LayoutRes layout: Int) : AbsMainActivityFragment(layout),
     Toolbar.OnMenuItemClickListener, IPaletteColorHolder, PlayerAlbumCoverFragment.Callbacks {
diff --git a/app/src/main/java/code/name/monkey/retromusic/glide/SingleColorTarget.kt b/app/src/main/java/code/name/monkey/retromusic/glide/SingleColorTarget.kt
index dbe27624..989419fb 100644
--- a/app/src/main/java/code/name/monkey/retromusic/glide/SingleColorTarget.kt
+++ b/app/src/main/java/code/name/monkey/retromusic/glide/SingleColorTarget.kt
@@ -25,7 +25,7 @@ import com.bumptech.glide.request.animation.GlideAnimation
 
 abstract class SingleColorTarget(view: ImageView) : BitmapPaletteTarget(view) {
 
-    protected val defaultFooterColor: Int
+    private val defaultFooterColor: Int
         get() = ATHUtil.resolveColor(view.context, R.attr.colorControlNormal)
 
     abstract fun onColorReady(color: Int)
diff --git a/app/src/main/java/code/name/monkey/retromusic/util/RingtoneManager.kt b/app/src/main/java/code/name/monkey/retromusic/util/RingtoneManager.kt
index 5a969105..cf8226d9 100644
--- a/app/src/main/java/code/name/monkey/retromusic/util/RingtoneManager.kt
+++ b/app/src/main/java/code/name/monkey/retromusic/util/RingtoneManager.kt
@@ -73,7 +73,7 @@ class RingtoneManager(val context: Context) {
             return false
         }
 
-        fun getDialog(context: Context): AlertDialog {
+        fun getDialog(context: Context) {
             return MaterialAlertDialogBuilder(context, R.style.MaterialAlertDialogTheme)
                 .setTitle(R.string.dialog_title_set_ringtone)
                 .setMessage(R.string.dialog_message_set_ringtone)
@@ -83,7 +83,7 @@ class RingtoneManager(val context: Context) {
                     context.startActivity(intent)
                 }
                 .setNegativeButton(android.R.string.cancel, null)
-                .create()
+                .create().show()
         }
     }
 }
\ No newline at end of file