Add support to deal with album arts sent by mpris plugin.

We should probably look into resizing the album art according
 to the DPI of the device.

res/layout/mpris_control.xml

@@ -20,6 +20,11 @@
         android:id="@+id/no_players"
         android:layout_gravity="center_horizontal" />
 
+    <ImageView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:id="@+id/artImageView" />
+
     <Spinner
         android:layout_width="match_parent"
         android:layout_height="wrap_content"

src/org/kde/kdeconnect/Plugins/MprisPlugin/MprisActivity.java

@@ -21,6 +21,8 @@
 package org.kde.kdeconnect.Plugins.MprisPlugin;
 
 import android.content.SharedPreferences;
+import android.graphics.Bitmap;
+import android.graphics.drawable.BitmapDrawable;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
@@ -33,6 +35,7 @@ import android.view.View;
 import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
 import android.widget.ImageButton;
+import android.widget.ImageView;
 import android.widget.SeekBar;
 import android.widget.Spinner;
 import android.widget.TextView;
@@ -93,6 +96,13 @@ public class MprisActivity extends ActionBarActivity {
                                 TextView nowPlaying = (TextView) findViewById(R.id.now_playing_textview);
                                 if (!nowPlaying.getText().toString().equals(song)) {
                                     nowPlaying.setText(song);
+
+                                    Bitmap currentArt = mpris.getCurrentArt();
+                                    ImageView artView = (ImageView) findViewById(R.id.artImageView);
+                                    if (currentArt != null) {
+                                        artView.setImageBitmap(currentArt);
+                                    }
+
                                 }
 
                                 if (mpris.getLength() > -1 && mpris.getPosition() > -1 && !"spotify".equals(mpris.getPlayer().toLowerCase())) {

src/org/kde/kdeconnect/Plugins/MprisPlugin/MprisPlugin.java

@@ -22,10 +22,13 @@ package org.kde.kdeconnect.Plugins.MprisPlugin;
 
 import android.app.Activity;
 import android.content.Intent;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
 import android.graphics.drawable.Drawable;
 import android.os.Handler;
 import android.os.Message;
 import android.support.v4.content.ContextCompat;
+import android.util.Base64;
 import android.util.Log;
 
 import org.kde.kdeconnect.NetworkPackage;
@@ -35,6 +38,8 @@ import org.kde.kdeconnect_tp.R;
 import java.util.ArrayList;
 import java.util.HashMap;
 
+import io.netty.handler.codec.base64.Base64Decoder;
+
 public class MprisPlugin extends Plugin {
 
     public final static String PACKAGE_TYPE_MPRIS = "kdeconnect.mpris";
@@ -43,6 +48,7 @@ public class MprisPlugin extends Plugin {
     private String player = "";
     private boolean playing = false;
     private String currentSong = "";
+    private Bitmap currentArt;
     private int volume = 50;
     private long length = -1;
     private long lastPosition;
@@ -120,7 +126,8 @@ public class MprisPlugin extends Plugin {
     @Override
     public boolean onPackageReceived(NetworkPackage np) {
 
-        if (np.has("nowPlaying") || np.has("volume") || np.has("isPlaying") || np.has("length") || np.has("pos")) {
+        if (np.has("nowPlaying") || np.has("volume") || np.has("isPlaying") || np.has("length") ||
+                np.has("pos") || np.has("artImage")) {
             if (np.getString("player").equals(player)) {
                 currentSong = np.getString("nowPlaying", currentSong);
                 volume = np.getInt("volume", volume);
@@ -129,6 +136,11 @@ public class MprisPlugin extends Plugin {
                     lastPosition = np.getLong("pos", lastPosition);
                     lastPositionTime = System.currentTimeMillis();
                 }
+                if (np.has("artImage")) {
+                    String base64Image = np.getString("artImage");
+                    byte[] decodedBytes = Base64.decode(base64Image, 0);
+                    currentArt = BitmapFactory.decodeByteArray(decodedBytes, 0, decodedBytes.length);
+                }
                 playing = np.getBoolean("isPlaying", playing);
                 for (String key : playerStatusUpdated.keySet()) {
                     try {
@@ -208,6 +220,7 @@ public class MprisPlugin extends Plugin {
         if (player == null || player.equals(this.player)) return;
         this.player = player;
         currentSong = "";
+        currentArt = null;
         volume = 50;
         playing = false;
         for (String key : playerStatusUpdated.keySet()) {
@@ -230,6 +243,8 @@ public class MprisPlugin extends Plugin {
         return currentSong;
     }
 
+    public Bitmap getCurrentArt() { return currentArt; }
+
     public String getPlayer() {
         return player;
     }