Added an option to turn off the color

app/src/main/java/com/kabouzeid/gramophone/adapter/album/HorizontalAlbumAdapter.java

@@ -1,5 +1,6 @@
 package com.kabouzeid.gramophone.adapter.album;
 
+import android.graphics.drawable.Drawable;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.v7.app.AppCompatActivity;
@@ -7,8 +8,11 @@ import android.support.v7.widget.CardView;
 import android.view.View;
 import android.view.ViewGroup;
 
+import com.bumptech.glide.Glide;
 import com.kabouzeid.appthemehelper.util.ColorUtil;
 import com.kabouzeid.appthemehelper.util.MaterialValueHelper;
+import com.kabouzeid.gramophone.glide.PhonographColoredTarget;
+import com.kabouzeid.gramophone.glide.SongGlideRequest;
 import com.kabouzeid.gramophone.helper.HorizontalAdapterHelper;
 import com.kabouzeid.gramophone.interfaces.CabHolder;
 import com.kabouzeid.gramophone.model.Album;
@@ -21,8 +25,8 @@ import java.util.ArrayList;
 public class HorizontalAlbumAdapter extends AlbumAdapter {
     public static final String TAG = AlbumAdapter.class.getSimpleName();
 
-    public HorizontalAlbumAdapter(@NonNull AppCompatActivity activity, ArrayList<Album> dataSet, @Nullable CabHolder cabHolder) {
+    public HorizontalAlbumAdapter(@NonNull AppCompatActivity activity, ArrayList<Album> dataSet,boolean usePalette, @Nullable CabHolder cabHolder) {
-        super(activity, dataSet, HorizontalAdapterHelper.LAYOUT_RES, true, cabHolder);
+        super(activity, dataSet, HorizontalAdapterHelper.LAYOUT_RES, usePalette, cabHolder);
     }
 
     @Override
@@ -46,6 +50,30 @@ public class HorizontalAlbumAdapter extends AlbumAdapter {
         }
     }
 
+    @Override
+    protected void loadAlbumCover(Album album, final ViewHolder holder) {
+        if (holder.image == null) return;
+
+        SongGlideRequest.Builder.from(Glide.with(activity), album.safeGetFirstSong())
+                .checkIgnoreMediaStore(activity)
+                .generatePalette(activity).build()
+                .into(new PhonographColoredTarget(holder.image) {
+                    @Override
+                    public void onLoadCleared(Drawable placeholder) {
+                        super.onLoadCleared(placeholder);
+                        setColors(getAlbumArtistFooterColor(), holder);
+                    }
+
+                    @Override
+                    public void onColorReady(int color) {
+                        if (usePalette)
+                            setColors(color, holder);
+                        else
+                            setColors(getAlbumArtistFooterColor(), holder);
+                    }
+                });
+    }
+
     @Override
     protected String getAlbumText(Album album) {
         return String.valueOf(album.getYear());

app/src/main/java/com/kabouzeid/gramophone/glide/PhonographColoredTarget.java

@@ -31,5 +31,9 @@ public abstract class PhonographColoredTarget extends BitmapPaletteTarget {
         return ATHUtil.resolveColor(getView().getContext(), R.attr.defaultFooterColor);
     }
 
+    protected int getAlbumArtistFooterColor() {
+        return ATHUtil.resolveColor(getView().getContext(), R.attr.cardBackgroundColor);
+    }
+
     public abstract void onColorReady(int color);
 }

app/src/main/java/com/kabouzeid/gramophone/ui/activities/ArtistDetailActivity.java

@@ -53,6 +53,7 @@ import com.kabouzeid.gramophone.ui.activities.base.AbsSlidingMusicPanelActivity;
 import com.kabouzeid.gramophone.util.ArtistSignatureUtil;
 import com.kabouzeid.gramophone.util.NavigationUtil;
 import com.kabouzeid.gramophone.util.PhonographColorUtil;
+import com.kabouzeid.gramophone.util.PreferenceUtil;
 import com.kabouzeid.gramophone.util.Util;
 
 import butterknife.BindView;
@@ -91,6 +92,7 @@ public class ArtistDetailActivity extends AbsSlidingMusicPanelActivity implement
     private int artistImageViewHeight;
     private int toolbarColor;
     private float toolbarAlpha;
+    private boolean usePalette;
 
     private Artist artist;
     @Nullable
@@ -109,6 +111,7 @@ public class ArtistDetailActivity extends AbsSlidingMusicPanelActivity implement
         supportPostponeEnterTransition();
 
         lastFMRestClient = new LastFMRestClient(this);
+        usePalette=PreferenceUtil.getInstance(this).albumArtistColoredFooters();
 
         initViews();
         setUpObservableListViewParams();
@@ -194,7 +197,7 @@ public class ArtistDetailActivity extends AbsSlidingMusicPanelActivity implement
 
     private void setUpAlbumRecyclerView() {
         albumRecyclerView.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false));
-        albumAdapter = new HorizontalAlbumAdapter(this, getArtist().albums, this);
+        albumAdapter = new HorizontalAlbumAdapter(this, getArtist().albums, usePalette, this);
         albumRecyclerView.setAdapter(albumAdapter);
         albumAdapter.registerAdapterDataObserver(new RecyclerView.AdapterDataObserver() {
             @Override
@@ -205,6 +208,12 @@ public class ArtistDetailActivity extends AbsSlidingMusicPanelActivity implement
         });
     }
 
+    protected void setUsePalette(boolean usePalette) {
+        albumAdapter.usePalette(usePalette);
+        PreferenceUtil.getInstance(this).setAlbumArtistColoredFooters(usePalette);
+        this.usePalette = usePalette;
+    }
+
     private void reload() {
         getSupportLoaderManager().restartLoader(LOADER_ID, getIntent().getExtras(), this);
     }
@@ -309,6 +318,7 @@ public class ArtistDetailActivity extends AbsSlidingMusicPanelActivity implement
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         getMenuInflater().inflate(R.menu.menu_artist_detail, menu);
+        menu.findItem(R.id.action_colored_footers).setChecked(usePalette);
         return true;
     }
 
@@ -339,6 +349,10 @@ public class ArtistDetailActivity extends AbsSlidingMusicPanelActivity implement
                 Toast.makeText(ArtistDetailActivity.this, getResources().getString(R.string.updating), Toast.LENGTH_SHORT).show();
                 loadArtistImage(true);
                 return true;
+            case R.id.action_colored_footers:
+                item.setChecked(!item.isChecked());
+                setUsePalette(item.isChecked());
+                return true;
         }
         return super.onOptionsItemSelected(item);
     }

app/src/main/java/com/kabouzeid/gramophone/util/PreferenceUtil.java

@@ -40,6 +40,7 @@ public final class PreferenceUtil {
     public static final String ALBUM_COLORED_FOOTERS = "album_colored_footers";
     public static final String SONG_COLORED_FOOTERS = "song_colored_footers";
     public static final String ARTIST_COLORED_FOOTERS = "artist_colored_footers";
+    public static final String ALBUM_ARTIST_COLORED_FOOTERS = "album_artist_colored_footers";
 
     public static final String FORCE_SQUARE_ALBUM_COVER = "force_square_album_art";
 
@@ -319,6 +320,16 @@ public final class PreferenceUtil {
         return mPreferences.getBoolean(ALBUM_COLORED_FOOTERS, true);
     }
 
+    public void setAlbumArtistColoredFooters(final boolean value) {
+        final SharedPreferences.Editor editor = mPreferences.edit();
+        editor.putBoolean(ALBUM_ARTIST_COLORED_FOOTERS, value);
+        editor.apply();
+    }
+
+    public final boolean albumArtistColoredFooters() {
+        return mPreferences.getBoolean(ALBUM_ARTIST_COLORED_FOOTERS, true);
+    }
+
     public void setSongColoredFooters(final boolean value) {
         final SharedPreferences.Editor editor = mPreferences.edit();
         editor.putBoolean(SONG_COLORED_FOOTERS, value);

app/src/main/res/menu/menu_artist_detail.xml

@@ -19,6 +19,12 @@
         android:title="@string/action_re_download_artist_image"
         app:showAsAction="never" />
 
+    <item
+        android:id="@+id/action_colored_footers"
+        android:checkable="true"
+        android:title="@string/colored_footers"
+        app:showAsAction="never"/>
+
     <item
         android:id="@+id/action_sleep_timer"
         android:title="@string/action_sleep_timer"