diff --git a/app/src/main/java/com/dkanada/gramophone/fragments/player/AbsPlayerFragment.java b/app/src/main/java/com/dkanada/gramophone/fragments/player/AbsPlayerFragment.java
index 980c841e..009e806b 100644
--- a/app/src/main/java/com/dkanada/gramophone/fragments/player/AbsPlayerFragment.java
+++ b/app/src/main/java/com/dkanada/gramophone/fragments/player/AbsPlayerFragment.java
@@ -4,6 +4,7 @@ import android.content.Context;
 import android.view.MenuItem;
 import android.view.View;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.widget.Toolbar;
 
@@ -28,7 +29,7 @@ public abstract class AbsPlayerFragment extends AbsMusicServiceFragment implemen
     private Callbacks callbacks;
 
     @Override
-    public void onAttach(Context context) {
+    public void onAttach(@NonNull Context context) {
         super.onAttach(context);
         try {
             callbacks = (Callbacks) context;
diff --git a/app/src/main/java/com/dkanada/gramophone/fragments/player/PlayerAlbumCoverFragment.java b/app/src/main/java/com/dkanada/gramophone/fragments/player/PlayerAlbumCoverFragment.java
index d89b1673..431e8cb5 100644
--- a/app/src/main/java/com/dkanada/gramophone/fragments/player/PlayerAlbumCoverFragment.java
+++ b/app/src/main/java/com/dkanada/gramophone/fragments/player/PlayerAlbumCoverFragment.java
@@ -50,6 +50,7 @@ public class PlayerAlbumCoverFragment extends AbsMusicServiceFragment implements
                         callbacks.onToolbarToggled();
                         return true;
                     }
+
                     return super.onSingleTapConfirmed(e);
                 }
             });
@@ -122,8 +123,8 @@ public class PlayerAlbumCoverFragment extends AbsMusicServiceFragment implements
         binding.playerFavoriteIcon.setScaleX(0f);
         binding.playerFavoriteIcon.setScaleY(0f);
         binding.playerFavoriteIcon.setVisibility(View.VISIBLE);
-        binding.playerFavoriteIcon.setPivotX(binding.playerFavoriteIcon.getWidth() / 2);
-        binding.playerFavoriteIcon.setPivotY(binding.playerFavoriteIcon.getHeight() / 2);
+        binding.playerFavoriteIcon.setPivotX(binding.playerFavoriteIcon.getWidth() / 2f);
+        binding.playerFavoriteIcon.setPivotY(binding.playerFavoriteIcon.getHeight() / 2f);
 
         binding.playerFavoriteIcon.animate()
                 .setDuration(ViewUtil.PHONOGRAPH_ANIM_TIME / 2)
diff --git a/app/src/main/java/com/dkanada/gramophone/fragments/player/card/CardPlayerPlaybackControlsFragment.java b/app/src/main/java/com/dkanada/gramophone/fragments/player/card/CardPlayerPlaybackControlsFragment.java
index 52df303b..5bd29117 100644
--- a/app/src/main/java/com/dkanada/gramophone/fragments/player/card/CardPlayerPlaybackControlsFragment.java
+++ b/app/src/main/java/com/dkanada/gramophone/fragments/player/card/CardPlayerPlaybackControlsFragment.java
@@ -51,7 +51,7 @@ public class CardPlayerPlaybackControlsFragment extends AbsMusicServiceFragment
     }
 
     @Override
-    public void onViewCreated(View view, Bundle savedInstanceState) {
+    public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
         setUpMusicControllers();
         updateProgressTextColor();
@@ -98,11 +98,11 @@ public class CardPlayerPlaybackControlsFragment extends AbsMusicServiceFragment
 
     public void setDark(boolean dark) {
         if (dark) {
-            lastPlaybackControlsColor = MaterialValueHelper.getSecondaryTextColor(getActivity(), true);
-            lastDisabledPlaybackControlsColor = MaterialValueHelper.getSecondaryDisabledTextColor(getActivity(), true);
+            lastPlaybackControlsColor = MaterialValueHelper.getSecondaryTextColor(requireActivity(), true);
+            lastDisabledPlaybackControlsColor = MaterialValueHelper.getSecondaryDisabledTextColor(requireActivity(), true);
         } else {
-            lastPlaybackControlsColor = MaterialValueHelper.getPrimaryTextColor(getActivity(), false);
-            lastDisabledPlaybackControlsColor = MaterialValueHelper.getPrimaryDisabledTextColor(getActivity(), false);
+            lastPlaybackControlsColor = MaterialValueHelper.getPrimaryTextColor(requireActivity(), false);
+            lastDisabledPlaybackControlsColor = MaterialValueHelper.getPrimaryDisabledTextColor(requireActivity(), false);
         }
 
         updateRepeatState();
@@ -115,16 +115,14 @@ public class CardPlayerPlaybackControlsFragment extends AbsMusicServiceFragment
         final int fabColor = Color.WHITE;
         TintHelper.setTintAuto(binding.playerPlayPauseFab, fabColor, true);
 
-        playerFabPlayPauseDrawable = new PlayPauseDrawable(getActivity());
+        playerFabPlayPauseDrawable = new PlayPauseDrawable(requireActivity());
 
         binding.playerPlayPauseFab.setImageDrawable(playerFabPlayPauseDrawable); // Note: set the drawable AFTER TintHelper.setTintAuto() was called
-        binding.playerPlayPauseFab.setColorFilter(MaterialValueHelper.getPrimaryTextColor(getContext(), ColorUtil.isColorLight(fabColor)), PorterDuff.Mode.SRC_IN);
+        binding.playerPlayPauseFab.setColorFilter(MaterialValueHelper.getPrimaryTextColor(requireContext(), ColorUtil.isColorLight(fabColor)), PorterDuff.Mode.SRC_IN);
         binding.playerPlayPauseFab.setOnClickListener(new PlayPauseButtonOnClickHandler());
         binding.playerPlayPauseFab.post(() -> {
-            if (binding.playerPlayPauseFab != null) {
-                binding.playerPlayPauseFab.setPivotX(binding.playerPlayPauseFab.getWidth() / 2);
-                binding.playerPlayPauseFab.setPivotY(binding.playerPlayPauseFab.getHeight() / 2);
-            }
+            binding.playerPlayPauseFab.setPivotX(binding.playerPlayPauseFab.getWidth() / 2f);
+            binding.playerPlayPauseFab.setPivotY(binding.playerPlayPauseFab.getHeight() / 2f);
         });
     }
 
@@ -156,7 +154,7 @@ public class CardPlayerPlaybackControlsFragment extends AbsMusicServiceFragment
     }
 
     private void updateProgressTextColor() {
-        int color = MaterialValueHelper.getPrimaryTextColor(getContext(), false);
+        int color = MaterialValueHelper.getPrimaryTextColor(requireContext(), false);
         binding.playerSongTotalTime.setTextColor(color);
         binding.playerSongCurrentProgress.setTextColor(color);
     }
@@ -218,7 +216,7 @@ public class CardPlayerPlaybackControlsFragment extends AbsMusicServiceFragment
     }
 
     private void setUpProgressSlider() {
-        int color = MaterialValueHelper.getPrimaryTextColor(getContext(), false);
+        int color = MaterialValueHelper.getPrimaryTextColor(requireContext(), false);
         binding.playerProgressSlider.getThumb().mutate().setColorFilter(color, PorterDuff.Mode.SRC_IN);
         binding.playerProgressSlider.getProgressDrawable().mutate().setColorFilter(Color.TRANSPARENT, PorterDuff.Mode.SRC_IN);
 
diff --git a/app/src/main/java/com/dkanada/gramophone/fragments/player/flat/FlatPlayerPlaybackControlsFragment.java b/app/src/main/java/com/dkanada/gramophone/fragments/player/flat/FlatPlayerPlaybackControlsFragment.java
index 2a7fee35..c9865984 100644
--- a/app/src/main/java/com/dkanada/gramophone/fragments/player/flat/FlatPlayerPlaybackControlsFragment.java
+++ b/app/src/main/java/com/dkanada/gramophone/fragments/player/flat/FlatPlayerPlaybackControlsFragment.java
@@ -105,11 +105,11 @@ public class FlatPlayerPlaybackControlsFragment extends AbsMusicServiceFragment
 
     public void setDark(boolean dark) {
         if (dark) {
-            lastPlaybackControlsColor = MaterialValueHelper.getSecondaryTextColor(getActivity(), true);
-            lastDisabledPlaybackControlsColor = MaterialValueHelper.getSecondaryDisabledTextColor(getActivity(), true);
+            lastPlaybackControlsColor = MaterialValueHelper.getSecondaryTextColor(requireActivity(), true);
+            lastDisabledPlaybackControlsColor = MaterialValueHelper.getSecondaryDisabledTextColor(requireActivity(), true);
         } else {
-            lastPlaybackControlsColor = MaterialValueHelper.getPrimaryTextColor(getActivity(), false);
-            lastDisabledPlaybackControlsColor = MaterialValueHelper.getPrimaryDisabledTextColor(getActivity(), false);
+            lastPlaybackControlsColor = MaterialValueHelper.getPrimaryTextColor(requireActivity(), false);
+            lastDisabledPlaybackControlsColor = MaterialValueHelper.getPrimaryDisabledTextColor(requireActivity(), false);
         }
 
         updateRepeatState();
@@ -120,13 +120,13 @@ public class FlatPlayerPlaybackControlsFragment extends AbsMusicServiceFragment
     }
 
     private void setUpPlayPauseButton() {
-        playPauseDrawable = new PlayPauseDrawable(getActivity());
+        playPauseDrawable = new PlayPauseDrawable(requireActivity());
         binding.playerPlayPauseButton.setImageDrawable(playPauseDrawable);
         updatePlayPauseColor();
         binding.playerPlayPauseButton.setOnClickListener(new PlayPauseButtonOnClickHandler());
         binding.playerPlayPauseButton.post(() -> {
-            binding.playerPlayPauseButton.setPivotX(binding.playerPlayPauseButton.getWidth() / 2);
-            binding.playerPlayPauseButton.setPivotY(binding.playerPlayPauseButton.getHeight() / 2);
+            binding.playerPlayPauseButton.setPivotX(binding.playerPlayPauseButton.getWidth() / 2f);
+            binding.playerPlayPauseButton.setPivotY(binding.playerPlayPauseButton.getHeight() / 2f);
         });
     }
 
@@ -153,7 +153,7 @@ public class FlatPlayerPlaybackControlsFragment extends AbsMusicServiceFragment
     }
 
     private void updateProgressTextColor() {
-        int color = MaterialValueHelper.getPrimaryTextColor(getContext(), false);
+        int color = MaterialValueHelper.getPrimaryTextColor(requireContext(), false);
         binding.playerSongTotalTime.setTextColor(color);
         binding.playerSongCurrentProgress.setTextColor(color);
     }
@@ -222,6 +222,7 @@ public class FlatPlayerPlaybackControlsFragment extends AbsMusicServiceFragment
             } else {
                 musicControllerAnimationSet.cancel();
             }
+
             musicControllerAnimationSet.start();
         }
 
@@ -264,7 +265,7 @@ public class FlatPlayerPlaybackControlsFragment extends AbsMusicServiceFragment
     }
 
     private void setUpProgressSlider() {
-        int color = MaterialValueHelper.getPrimaryTextColor(getContext(), false);
+        int color = MaterialValueHelper.getPrimaryTextColor(requireContext(), false);
         binding.playerProgressSlider.getThumb().mutate().setColorFilter(color, PorterDuff.Mode.SRC_IN);
         binding.playerProgressSlider.getProgressDrawable().mutate().setColorFilter(Color.TRANSPARENT, PorterDuff.Mode.SRC_IN);
 
@@ -283,6 +284,7 @@ public class FlatPlayerPlaybackControlsFragment extends AbsMusicServiceFragment
     public void onUpdateProgressViews(int progress, int total) {
         binding.playerProgressSlider.setMax(total);
         binding.playerProgressSlider.setProgress(progress);
+
         binding.playerSongTotalTime.setText(MusicUtil.getReadableDurationString(total));
         binding.playerSongCurrentProgress.setText(MusicUtil.getReadableDurationString(progress));
     }
diff --git a/app/src/main/java/com/dkanada/gramophone/glide/BlurTransformation.java b/app/src/main/java/com/dkanada/gramophone/glide/BlurTransformation.java
index a9ec36ee..97c608ae 100644
--- a/app/src/main/java/com/dkanada/gramophone/glide/BlurTransformation.java
+++ b/app/src/main/java/com/dkanada/gramophone/glide/BlurTransformation.java
@@ -21,9 +21,9 @@ import java.security.MessageDigest;
 public class BlurTransformation extends BitmapTransformation {
     public static final float DEFAULT_BLUR_RADIUS = 5f;
 
-    private Context context;
-    private float blurRadius;
-    private int sampling;
+    private final Context context;
+    private final float blurRadius;
+    private final int sampling;
 
     private BlurTransformation(Builder builder) {
         super();
diff --git a/app/src/main/res/layout/activity_album_detail.xml b/app/src/main/res/layout/activity_album_detail.xml
index 1033de3d..e5a0d138 100644
--- a/app/src/main/res/layout/activity_album_detail.xml
+++ b/app/src/main/res/layout/activity_album_detail.xml
@@ -52,7 +52,7 @@
                     android:scaleType="centerCrop"
                     android:src="@drawable/default_album_art"
                     android:transitionName="@string/transition_album_image"
-                    tools:ignore="ContentDescription,UnusedAttribute" />
+                    tools:ignore="ContentDescription" />
 
                 <LinearLayout
                     android:layout_width="match_parent"
@@ -77,7 +77,7 @@
                             android:layout_marginEnd="8dp"
                             android:layout_marginStart="0dp"
                             app:srcCompat="@drawable/ic_person_white_24dp"
-                            tools:ignore="ContentDescription,UnusedAttribute" />
+                            tools:ignore="ContentDescription" />
 
                         <TextView
                             android:ellipsize="end"
@@ -105,7 +105,7 @@
                             android:layout_marginEnd="8dp"
                             android:layout_marginStart="0dp"
                             app:srcCompat="@drawable/ic_music_note_white_24dp"
-                            tools:ignore="ContentDescription,UnusedAttribute" />
+                            tools:ignore="ContentDescription" />
 
                         <TextView
                             android:id="@+id/song_count_text"
@@ -131,7 +131,7 @@
                             android:layout_marginEnd="8dp"
                             android:layout_marginStart="0dp"
                             app:srcCompat="@drawable/ic_timer_white_24dp"
-                            tools:ignore="ContentDescription,UnusedAttribute" />
+                            tools:ignore="ContentDescription" />
 
                         <TextView
                             android:id="@+id/duration_text"
@@ -157,7 +157,7 @@
                             android:layout_marginEnd="8dp"
                             android:layout_marginStart="0dp"
                             app:srcCompat="@drawable/ic_event_white_24dp"
-                            tools:ignore="ContentDescription,UnusedAttribute" />
+                            tools:ignore="ContentDescription" />
 
                         <TextView
                             android:id="@+id/album_year_text"
diff --git a/app/src/main/res/layout/activity_artist_detail.xml b/app/src/main/res/layout/activity_artist_detail.xml
index 2a960ac1..7af297e4 100644
--- a/app/src/main/res/layout/activity_artist_detail.xml
+++ b/app/src/main/res/layout/activity_artist_detail.xml
@@ -53,7 +53,7 @@
                     android:scaleType="centerCrop"
                     android:src="@drawable/default_artist_image"
                     android:transitionName="@string/transition_artist_image"
-                    tools:ignore="ContentDescription,UnusedAttribute" />
+                    tools:ignore="ContentDescription" />
 
                 <LinearLayout
                     android:layout_width="match_parent"
@@ -78,7 +78,7 @@
                             android:layout_marginEnd="8dp"
                             android:layout_marginStart="0dp"
                             app:srcCompat="@drawable/ic_album_white_24dp"
-                            tools:ignore="ContentDescription,UnusedAttribute" />
+                            tools:ignore="ContentDescription" />
 
                         <TextView
                             android:id="@+id/album_count_text"
@@ -104,7 +104,7 @@
                             android:layout_marginEnd="8dp"
                             android:layout_marginStart="0dp"
                             app:srcCompat="@drawable/ic_music_note_white_24dp"
-                            tools:ignore="ContentDescription,UnusedAttribute" />
+                            tools:ignore="ContentDescription" />
 
                         <TextView
                             android:id="@+id/song_count_text"
@@ -130,7 +130,7 @@
                             android:layout_marginEnd="8dp"
                             android:layout_marginStart="0dp"
                             app:srcCompat="@drawable/ic_timer_white_24dp"
-                            tools:ignore="ContentDescription,UnusedAttribute" />
+                            tools:ignore="ContentDescription" />
 
                         <TextView
                             android:id="@+id/duration_text"
diff --git a/app/src/main/res/layout/card_about_app.xml b/app/src/main/res/layout/card_about_app.xml
index 2fe3eca6..c346ac34 100644
--- a/app/src/main/res/layout/card_about_app.xml
+++ b/app/src/main/res/layout/card_about_app.xml
@@ -43,6 +43,7 @@
             android:layout_height="wrap_content"
             android:background="?attr/rectSelector"
             android:clickable="true"
+            android:focusable="true"
             android:gravity="center_vertical"
             android:minHeight="@dimen/md_listitem_height"
             android:orientation="horizontal"
@@ -54,7 +55,7 @@
                 android:layout_width="24dp"
                 android:layout_height="24dp"
                 app:srcCompat="@drawable/ic_info_outline_white_24dp"
-                tools:ignore="ContentDescription,UnusedAttribute" />
+                tools:ignore="ContentDescription" />
 
             <LinearLayout
                 android:layout_width="match_parent"
@@ -74,9 +75,8 @@
                     android:id="@+id/app_version"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
-                    android:text="0.0.0"
                     android:textAppearance="@style/TextAppearance.AppCompat.Caption"
-                    tools:ignore="HardcodedText" />
+                    tools:text="1.0.0" />
 
             </LinearLayout>
 
@@ -88,6 +88,7 @@
             android:layout_height="wrap_content"
             android:background="?attr/rectSelector"
             android:clickable="true"
+            android:focusable="true"
             android:gravity="center_vertical"
             android:minHeight="@dimen/md_listitem_height"
             android:orientation="horizontal"
@@ -99,7 +100,7 @@
                 android:layout_width="24dp"
                 android:layout_height="24dp"
                 app:srcCompat="@drawable/ic_github_circle_white_24dp"
-                tools:ignore="ContentDescription,UnusedAttribute" />
+                tools:ignore="ContentDescription" />
 
             <TextView
                 android:layout_width="wrap_content"
diff --git a/app/src/main/res/layout/card_author.xml b/app/src/main/res/layout/card_author.xml
index 9f0bbdf1..6b96b067 100644
--- a/app/src/main/res/layout/card_author.xml
+++ b/app/src/main/res/layout/card_author.xml
@@ -31,6 +31,7 @@
             android:layout_height="wrap_content"
             android:background="?attr/rectSelector"
             android:clickable="true"
+            android:focusable="true"
             android:gravity="center_vertical"
             android:minHeight="@dimen/md_listitem_height"
             android:orientation="horizontal"
@@ -42,7 +43,7 @@
                 android:layout_width="24dp"
                 android:layout_height="24dp"
                 app:srcCompat="@drawable/ic_person_white_24dp"
-                tools:ignore="ContentDescription,UnusedAttribute" />
+                tools:ignore="ContentDescription" />
 
             <LinearLayout
                 android:layout_width="match_parent"
@@ -75,6 +76,7 @@
             android:layout_height="wrap_content"
             android:background="?attr/rectSelector"
             android:clickable="true"
+            android:focusable="true"
             android:visibility="gone"
             android:gravity="center_vertical"
             android:minHeight="@dimen/md_listitem_height"
@@ -87,7 +89,7 @@
                 android:layout_width="24dp"
                 android:layout_height="24dp"
                 app:srcCompat="@drawable/ic_email_white_24dp"
-                tools:ignore="ContentDescription,UnusedAttribute" />
+                tools:ignore="ContentDescription" />
 
             <TextView
                 android:layout_width="wrap_content"
@@ -106,6 +108,7 @@
             android:layout_height="wrap_content"
             android:background="?attr/rectSelector"
             android:clickable="true"
+            android:focusable="true"
             android:visibility="gone"
             android:gravity="center_vertical"
             android:minHeight="@dimen/md_listitem_height"
@@ -118,7 +121,7 @@
                 android:layout_width="24dp"
                 android:layout_height="24dp"
                 app:srcCompat="@drawable/ic_twitter_white_24dp"
-                tools:ignore="ContentDescription,UnusedAttribute" />
+                tools:ignore="ContentDescription" />
 
             <TextView
                 android:layout_width="wrap_content"
@@ -137,6 +140,7 @@
             android:layout_height="wrap_content"
             android:background="?attr/rectSelector"
             android:clickable="true"
+            android:focusable="true"
             android:gravity="center_vertical"
             android:minHeight="@dimen/md_listitem_height"
             android:orientation="horizontal"
@@ -148,7 +152,7 @@
                 android:layout_width="24dp"
                 android:layout_height="24dp"
                 app:srcCompat="@drawable/ic_open_in_browser_white_24dp"
-                tools:ignore="ContentDescription,UnusedAttribute" />
+                tools:ignore="ContentDescription" />
 
             <TextView
                 android:layout_width="wrap_content"
diff --git a/app/src/main/res/layout/card_support_development.xml b/app/src/main/res/layout/card_support_development.xml
index 07a7ec08..bd258c43 100644
--- a/app/src/main/res/layout/card_support_development.xml
+++ b/app/src/main/res/layout/card_support_development.xml
@@ -32,6 +32,7 @@
             android:layout_height="wrap_content"
             android:background="?attr/rectSelector"
             android:clickable="true"
+            android:focusable="true"
             android:gravity="center_vertical"
             android:minHeight="@dimen/md_listitem_height"
             android:orientation="horizontal"
@@ -43,7 +44,7 @@
                 android:layout_width="24dp"
                 android:layout_height="24dp"
                 app:srcCompat="@drawable/ic_bug_report_white_24dp"
-                tools:ignore="ContentDescription,UnusedAttribute" />
+                tools:ignore="ContentDescription" />
 
             <LinearLayout
                 android:layout_width="match_parent"
@@ -75,6 +76,7 @@
             android:layout_height="wrap_content"
             android:background="?attr/rectSelector"
             android:clickable="true"
+            android:focusable="true"
             android:visibility="gone"
             android:gravity="center_vertical"
             android:minHeight="@dimen/md_listitem_height"
@@ -87,7 +89,7 @@
                 android:layout_width="24dp"
                 android:layout_height="24dp"
                 app:srcCompat="@drawable/ic_flag_white_24dp"
-                tools:ignore="ContentDescription,UnusedAttribute" />
+                tools:ignore="ContentDescription" />
 
             <LinearLayout
                 android:layout_width="match_parent"
@@ -119,6 +121,7 @@
             android:layout_height="wrap_content"
             android:background="?attr/rectSelector"
             android:clickable="true"
+            android:focusable="true"
             android:visibility="gone"
             android:gravity="center_vertical"
             android:minHeight="@dimen/md_listitem_height"
@@ -131,7 +134,7 @@
                 android:layout_width="24dp"
                 android:layout_height="24dp"
                 app:srcCompat="@drawable/ic_star_white_24dp"
-                tools:ignore="ContentDescription,UnusedAttribute" />
+                tools:ignore="ContentDescription" />
 
             <LinearLayout
                 android:layout_width="match_parent"
@@ -163,6 +166,7 @@
             android:layout_height="wrap_content"
             android:background="?attr/rectSelector"
             android:clickable="true"
+            android:focusable="true"
             android:visibility="gone"
             android:gravity="center_vertical"
             android:minHeight="@dimen/md_listitem_height"
@@ -175,7 +179,7 @@
                 android:layout_width="24dp"
                 android:layout_height="24dp"
                 app:srcCompat="@drawable/ic_card_giftcard_white_24dp"
-                tools:ignore="ContentDescription,UnusedAttribute" />
+                tools:ignore="ContentDescription" />
 
             <LinearLayout
                 android:layout_width="match_parent"
diff --git a/app/src/main/res/layout/dialog_file_details.xml b/app/src/main/res/layout/dialog_file_details.xml
index f1990944..c1e453fe 100644
--- a/app/src/main/res/layout/dialog_file_details.xml
+++ b/app/src/main/res/layout/dialog_file_details.xml
@@ -1,10 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
-    android:orientation="vertical"
-    tools:ignore="NewApi,RtlSymmetry">
+    android:orientation="vertical">
 
     <TextView
         android:id="@+id/file_path"
diff --git a/app/src/main/res/layout/fragment_album_cover.xml b/app/src/main/res/layout/fragment_album_cover.xml
index d5ea2c41..d62ac9f2 100644
--- a/app/src/main/res/layout/fragment_album_cover.xml
+++ b/app/src/main/res/layout/fragment_album_cover.xml
@@ -13,6 +13,6 @@
         android:layout_height="match_parent"
         android:scaleType="centerCrop"
         app:srcCompat="@drawable/default_album_art"
-        tools:ignore="ContentDescription,UnusedAttribute" />
+        tools:ignore="ContentDescription" />
 
 </FrameLayout>
diff --git a/app/src/main/res/layout/fragment_card_player_playback_controls.xml b/app/src/main/res/layout/fragment_card_player_playback_controls.xml
index 3d27383d..d5d15088 100644
--- a/app/src/main/res/layout/fragment_card_player_playback_controls.xml
+++ b/app/src/main/res/layout/fragment_card_player_playback_controls.xml
@@ -31,8 +31,8 @@
             android:layout_width="wrap_content"
             android:layout_height="match_parent"
             android:fontFamily="sans-serif-medium"
-            android:gravity="center_vertical|left|end"
-            android:paddingLeft="8dp"
+            android:gravity="center_vertical|start"
+            android:paddingStart="8dp"
             android:singleLine="true"
             android:textAppearance="@style/TextAppearance.AppCompat.Title"
             android:textColor="?android:textColorSecondary"
@@ -47,8 +47,8 @@
             android:layout_height="match_parent"
             android:layout_alignParentEnd="true"
             android:fontFamily="sans-serif-medium"
-            android:gravity="center_vertical|right|end"
-            android:paddingRight="8dp"
+            android:gravity="center_vertical|end"
+            android:paddingEnd="8dp"
             android:singleLine="true"
             android:textAppearance="@style/TextAppearance.AppCompat.Title"
             android:textColor="?android:textColorSecondary"
@@ -72,7 +72,7 @@
         android:layout_width="match_parent"
         android:layout_height="@dimen/fab_media_controller_container_height"
         android:layoutDirection="ltr"
-        tools:ignore="ContentDescription,UnusedAttribute">
+        tools:ignore="ContentDescription">
 
         <ImageButton
             android:id="@+id/player_prev_button"
@@ -84,8 +84,7 @@
             android:background="?attr/roundSelector"
             android:padding="22dp"
             android:scaleType="fitCenter"
-            app:srcCompat="@drawable/ic_skip_previous_white_24dp"
-            tools:ignore="MissingPrefix" />
+            app:srcCompat="@drawable/ic_skip_previous_white_24dp" />
 
         <ImageButton
             android:id="@+id/player_next_button"
@@ -97,8 +96,7 @@
             android:background="?attr/roundSelector"
             android:padding="22dp"
             android:scaleType="fitCenter"
-            app:srcCompat="@drawable/ic_skip_next_white_24dp"
-            tools:ignore="MissingPrefix" />
+            app:srcCompat="@drawable/ic_skip_next_white_24dp" />
 
         <ImageButton
             android:id="@+id/player_repeat_button"
@@ -110,8 +108,7 @@
             android:background="?attr/roundSelector"
             android:padding="22dp"
             android:scaleType="fitCenter"
-            app:srcCompat="@drawable/ic_repeat_white_24dp"
-            tools:ignore="MissingPrefix" />
+            app:srcCompat="@drawable/ic_repeat_white_24dp" />
 
         <ImageButton
             android:id="@+id/player_shuffle_button"
@@ -123,8 +120,7 @@
             android:background="?attr/roundSelector"
             android:padding="22dp"
             android:scaleType="fitCenter"
-            app:srcCompat="@drawable/ic_shuffle_white_24dp"
-            tools:ignore="MissingPrefix" />
+            app:srcCompat="@drawable/ic_shuffle_white_24dp" />
 
         <Space
             android:id="@+id/dummy_fab"
diff --git a/app/src/main/res/layout/fragment_flat_player_playback_controls.xml b/app/src/main/res/layout/fragment_flat_player_playback_controls.xml
index bd3c0e24..330debb4 100644
--- a/app/src/main/res/layout/fragment_flat_player_playback_controls.xml
+++ b/app/src/main/res/layout/fragment_flat_player_playback_controls.xml
@@ -18,13 +18,13 @@
             android:layout_height="match_parent"
             android:layout_alignParentStart="true"
             android:fontFamily="sans-serif-medium"
-            android:gravity="center_vertical|left|end"
-            android:paddingLeft="8dp"
+            android:gravity="center_vertical|start"
+            android:paddingStart="8dp"
             android:singleLine="true"
             android:textAppearance="@style/TextAppearance.AppCompat.Title"
             android:textColor="@color/ate_primary_text_dark"
             android:textSize="12sp"
-            tools:ignore="RtlHardcoded,RtlSymmetry"
+            tools:ignore="RtlSymmetry"
             tools:text="0:00" />
 
         <TextView
@@ -33,22 +33,21 @@
             android:layout_height="match_parent"
             android:layout_alignParentEnd="true"
             android:fontFamily="sans-serif-medium"
-            android:gravity="center_vertical|right|end"
-            android:paddingRight="8dp"
+            android:gravity="center_vertical|end"
+            android:paddingEnd="8dp"
             android:singleLine="true"
             android:textAppearance="@style/TextAppearance.AppCompat.Title"
             android:textColor="@color/ate_primary_text_dark"
             android:textSize="12sp"
-            tools:ignore="RtlHardcoded,RtlSymmetry"
-            tools:text="3:14" />
+            tools:ignore="RtlSymmetry"
+            tools:text="4:00" />
 
         <SeekBar
             android:id="@+id/player_progress_slider"
             style="@style/MusicProgressSlider"
             android:layout_height="match_parent"
             android:layout_toStartOf="@id/player_song_total_time"
-            android:layout_toEndOf="@id/player_song_current_progress"
-            tools:ignore="RtlHardcoded,UnusedAttribute" />
+            android:layout_toEndOf="@id/player_song_current_progress" />
 
     </RelativeLayout>
 
@@ -57,7 +56,7 @@
         android:layout_width="match_parent"
         android:layout_height="@dimen/media_controller_container_height"
         android:layoutDirection="ltr"
-        tools:ignore="ContentDescription,UnusedAttribute">
+        tools:ignore="ContentDescription">
 
         <ImageButton
             android:id="@+id/player_prev_button"
@@ -69,8 +68,7 @@
             android:background="?attr/roundSelector"
             android:padding="22dp"
             android:scaleType="fitCenter"
-            app:srcCompat="@drawable/ic_skip_previous_white_24dp"
-            tools:ignore="MissingPrefix" />
+            app:srcCompat="@drawable/ic_skip_previous_white_24dp" />
 
         <ImageButton
             android:id="@+id/player_next_button"
@@ -82,8 +80,7 @@
             android:background="?attr/roundSelector"
             android:padding="22dp"
             android:scaleType="fitCenter"
-            app:srcCompat="@drawable/ic_skip_next_white_24dp"
-            tools:ignore="MissingPrefix" />
+            app:srcCompat="@drawable/ic_skip_next_white_24dp" />
 
         <ImageButton
             android:id="@+id/player_repeat_button"
@@ -95,8 +92,7 @@
             android:background="?attr/roundSelector"
             android:padding="22dp"
             android:scaleType="fitCenter"
-            app:srcCompat="@drawable/ic_repeat_white_24dp"
-            tools:ignore="MissingPrefix" />
+            app:srcCompat="@drawable/ic_repeat_white_24dp" />
 
         <ImageButton
             android:id="@+id/player_shuffle_button"
@@ -108,8 +104,7 @@
             android:background="?attr/roundSelector"
             android:padding="22dp"
             android:scaleType="fitCenter"
-            app:srcCompat="@drawable/ic_shuffle_white_24dp"
-            tools:ignore="MissingPrefix" />
+            app:srcCompat="@drawable/ic_shuffle_white_24dp" />
 
         <ImageButton
             android:id="@+id/player_play_pause__button"
@@ -119,7 +114,6 @@
             android:background="?attr/roundSelector"
             android:padding="22dp"
             android:scaleType="fitCenter"
-            tools:ignore="MissingPrefix"
             tools:src="@drawable/ic_pause_white_24dp" />
 
     </RelativeLayout>
diff --git a/app/src/main/res/layout/item_grid.xml b/app/src/main/res/layout/item_grid.xml
index f4917266..1ca49c7d 100644
--- a/app/src/main/res/layout/item_grid.xml
+++ b/app/src/main/res/layout/item_grid.xml
@@ -12,7 +12,7 @@
         android:layout_height="match_parent"
         android:gravity="center"
         android:orientation="vertical"
-        tools:ignore="UnusedAttribute,UselessParent">
+        tools:ignore="UselessParent">
 
         <com.dkanada.gramophone.views.WidthFitSquareLayout
             android:id="@+id/image_container"
diff --git a/app/src/main/res/layout/item_grid_card_horizontal.xml b/app/src/main/res/layout/item_grid_card_horizontal.xml
index a9b3457e..e18dd9af 100644
--- a/app/src/main/res/layout/item_grid_card_horizontal.xml
+++ b/app/src/main/res/layout/item_grid_card_horizontal.xml
@@ -17,7 +17,7 @@
             android:layout_width="104dp"
             android:layout_height="104dp"
             android:scaleType="centerCrop"
-            tools:ignore="ContentDescription,UnusedAttribute" />
+            tools:ignore="ContentDescription" />
 
         <LinearLayout
             android:layout_width="match_parent"
diff --git a/app/src/main/res/menu/menu_main.xml b/app/src/main/res/menu/menu_main.xml
index a0c3a120..65f0f38b 100644
--- a/app/src/main/res/menu/menu_main.xml
+++ b/app/src/main/res/menu/menu_main.xml
@@ -21,8 +21,7 @@
         <menu>
             <group
                 android:id="@+id/group_grid_size"
-                android:checkableBehavior="single"
-                tools:ignore="HardcodedText">
+                android:checkableBehavior="single">
                 <item
                     android:id="@+id/action_grid_size_1"
                     android:title="@string/grid_size_1" />