NowPlayingFragment: Add QuickLyric support.

It shows on the NowPlayingFragment menu if the package is installed. This fixes
issue #20

MPDroid/src/main/java/com/namelessdev/mpdroid/ErrorHandler.java

@@ -222,26 +222,6 @@ private void dismissAlertDialog() {
         }
     }
 
-    /**
-     * This method checks the {@link PackageManager} for a MPD package installation on localhost.
-     *
-     * @return True if MPD is installed, false otherwise.
-     */
-    private boolean isMPDInstalled() {
-        final PackageManager packageManager = mActivity.getPackageManager();
-        boolean isInstalled;
-
-        try {
-            packageManager.getPackageInfo(MPD_PACKAGE_NAME, PackageManager.GET_SERVICES);
-            isInstalled = true;
-        } catch (final PackageManager.NameNotFoundException ignored) {
-            isInstalled = false;
-            debug("MPD is not installed, cannot launch.");
-        }
-
-        return isInstalled;
-    }
-
     /**
      * This method checks if MPD on localhost is running.
      *
@@ -271,8 +251,8 @@ private boolean isMPDRunning() {
      * This method launches MPD if a MPD server is setup for the localhost.
      */
     private void launchMPD() {
-        if ("127.0.0.1".equals(mApp.getConnectionSettings().server) && isMPDInstalled()
-                && !isMPDRunning()) {
+        if ("127.0.0.1".equals(mApp.getConnectionSettings().server) && !isMPDRunning() &&
+                Tools.isPackageInstalled(MPD_PACKAGE_NAME)) {
             /**
              * No delay; no matter the time given, this takes a bit.
              */

MPDroid/src/main/java/com/namelessdev/mpdroid/fragments/NowPlayingFragment.java

@@ -101,10 +101,14 @@ public class NowPlayingFragment extends Fragment implements
 
     private static final int POPUP_FOLDER = 3;
 
+    private static final int POPUP_LYRICS = 9;
+
     private static final int POPUP_SHARE = 5;
 
     private static final int POPUP_STREAM = 4;
 
+    private static final String QUICK_LYRIC_PACKAGE_NAME = "com.geecko.QuickLyric";
+
     private static final String TAG = "NowPlayingFragment";
 
     private final MPDApplication mApp = MPDApplication.getInstance();
@@ -408,6 +412,20 @@ private CoverAsyncHelper getCoverAsyncHelper(final View view) {
         return coverAsyncHelper;
     }
 
+    /**
+     * This produces a intent to open QuickLyric.
+     *
+     * @return An Intent to open QuickLyric.
+     */
+    private Intent getLyricIntent() {
+        final Intent intent = new Intent(QUICK_LYRIC_PACKAGE_NAME + ".getLyrics");
+        final String[] tags = {mCurrentSong.getArtistName(), mCurrentSong.getTitle()};
+
+        intent.putExtra("TAGS", tags);
+
+        return intent;
+    }
+
     /**
      * This method generates selected track information to send to another application.
      *
@@ -464,6 +482,9 @@ private View getSongInfo(final View view) {
                 R.string.goToAlbumArtist);
         menu.add(Menu.NONE, POPUP_FOLDER, Menu.NONE, R.string.goToFolder);
         menu.add(Menu.NONE, POPUP_CURRENT, Menu.NONE, R.string.goToCurrent);
+        if (com.namelessdev.mpdroid.tools.Tools.isPackageInstalled(QUICK_LYRIC_PACKAGE_NAME)) {
+            menu.add(Menu.NONE, POPUP_LYRICS, Menu.NONE, R.string.lyrics);
+        }
         menu.add(Menu.NONE, POPUP_SHARE, Menu.NONE, R.string.share);
         popupMenu.setOnMenuItemClickListener(this);
         mPopupMenuTouchListener = PopupMenuCompat.getDragToOpenListener(popupMenu);
@@ -813,6 +834,11 @@ public boolean onMenuItemClick(final MenuItem item) {
                     }
                 }
                 break;
+            case POPUP_LYRICS:
+                if (mCurrentSong != null) {
+                    startActivity(getLyricIntent());
+                }
+                break;
             default:
                 result = isSimpleLibraryItem(itemId);
                 break;

MPDroid/src/main/java/com/namelessdev/mpdroid/tools/Tools.java

@@ -22,11 +22,13 @@
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.os.Bundle;
 import android.support.annotation.StringRes;
 import android.util.DisplayMetrics;
+import android.util.Log;
 import android.util.TypedValue;
 import android.view.KeyEvent;
 import android.widget.Toast;
@@ -47,6 +49,8 @@ public void onClick(final DialogInterface dialog, final int which) {
 
     private static final MPDApplication APP = MPDApplication.getInstance();
 
+    private static final String TAG = "Tools";
+
     private Tools() {
         super();
     }
@@ -180,6 +184,28 @@ public static Bitmap decodeSampledBitmapFromPath(
         }
     }
 
+    /**
+     * This method checks the {@link PackageManager} for the package represented by the
+     * {@code packageName} argument.
+     *
+     * @param packageName The packageName to find.
+     * @return True if the package appears to be on the localhost, false otherwise.
+     */
+    public static boolean isPackageInstalled(final String packageName) {
+        final PackageManager packageManager = APP.getPackageManager();
+        boolean isInstalled;
+
+        try {
+            packageManager.getPackageInfo(packageName, PackageManager.GET_SERVICES);
+            isInstalled = true;
+        } catch (final PackageManager.NameNotFoundException ignored) {
+            isInstalled = false;
+            Log.d(TAG, packageName + " is not installed, cannot launch.");
+        }
+
+        return isInstalled;
+    }
+
     public static boolean isServerLocalhost() {
         return "127.0.0.1".equals(APP.getConnectionSettings().server);
     }

MPDroid/src/main/res/values/strings.xml

@@ -256,6 +256,7 @@
     <string name="enableExitConfirmationDescription">Require to double tap Back to exit</string>
     <string name="enableLightTheme">Use light theme</string>
     <string name="share">Share</string>
+    <string name="lyrics">Lyrics</string>
     <string name="sharePrefix">Now Playing :</string>
     <string name="enableTabletUI">Use tablet UI</string>
     <string name="enableTabletUIDescription">Restart the application to see the changes</string>