Adding now playing themes and KOTLIN conversion

app/src/main/java/code/name/monkey/retromusic/model/Album.kt

@@ -36,6 +36,6 @@ class Album {
     }
 
     fun safeGetFirstSong(): Song {
-        return if (songs!!.isEmpty()) Song.EMPTY_SONG else songs[0]
+        return if (songs!!.isEmpty()) Song.emptySong else songs[0]
     }
 }

app/src/main/java/code/name/monkey/retromusic/model/Genre.java

@@ -0,0 +1,86 @@
+package code.name.monkey.retromusic.model;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+
+/**
+ * @author Hemanth S (h4h13).
+ */
+
+public class Genre implements Parcelable {
+
+    public static final Creator<Genre> CREATOR = new Creator<Genre>() {
+        @Override
+        public Genre createFromParcel(Parcel in) {
+            return new Genre(in);
+        }
+
+        @Override
+        public Genre[] newArray(int size) {
+            return new Genre[size];
+        }
+    };
+    public final int id;
+    public final String name;
+    public final int songCount;
+
+    public Genre(final int id, final String name, int songCount) {
+        this.id = id;
+        this.name = name;
+        this.songCount = songCount;
+    }
+
+
+    // For unknown genre
+    public Genre(final String name, final int songCount) {
+        this.id = -1;
+        this.name = name;
+        this.songCount = songCount;
+    }
+
+    protected Genre(Parcel in) {
+        id = in.readInt();
+        name = in.readString();
+        songCount = in.readInt();
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeInt(id);
+        dest.writeString(name);
+        dest.writeInt(songCount);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        Genre genre = (Genre) o;
+
+        if (id != genre.id) return false;
+        return name != null ? name.equals(genre.name) : genre.name == null;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = id;
+        result = 31 * result + (name != null ? name.hashCode() : 0);
+        return result;
+    }
+
+    @Override
+    public String toString() {
+        return "Genre{" +
+                "id=" + id +
+                ", name='" + name + '\'' +
+                '}';
+    }
+
+
+}

app/src/main/java/code/name/monkey/retromusic/model/Genre.kt

@@ -1,26 +0,0 @@
-package code.name.monkey.retromusic.model
-
-import java.io.Serializable
-
-/**
- * @author Hemanth S (h4h13).
- */
-
-class Genre : Serializable {
-    val id: Int
-    val name: String?
-    val songCount: Int
-
-    constructor(id: Int, name: String, songCount: Int) {
-        this.id = id
-        this.name = name
-        this.songCount = songCount
-    }
-
-    // For unknown genre
-    constructor(name: String, songCount: Int) {
-        this.id = -1
-        this.name = name
-        this.songCount = songCount
-    }
-}

app/src/main/java/code/name/monkey/retromusic/model/Song.kt

@@ -64,7 +64,9 @@ open class Song : Parcelable {
     }
 
     companion object {
-        val EMPTY_SONG = Song(-1, "", -1, -1, -1, "", -1, -1, "", -1, "")
+
+        var emptySong = Song(-1, "", -1, -1, -1, "", -1, -1, "", -1, "")
+
         @JvmField
         val CREATOR: Parcelable.Creator<Song> = object : Parcelable.Creator<Song> {
             override fun createFromParcel(source: Parcel): Song {