media playback listener

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

@@ -786,4 +786,8 @@
     <string name="stop">stop</string>
     <string name="pleaseSelectActionValue">Please select an action!</string>
     <string name="actionMediaControlNotice">Keep in mind that this action may not work with ALL players out there. And even if it does, not every buttons does necessarily work.</string>
+    <string name="musicPlaying">Music playing</string>
+    <string name="selectParameters">Select parameters</string>
+    <string name="musicIsPlaying">music is playing</string>
+    <string name="musicIsNotPlaying">music is not playing</string>
 </resources>