update doc

src/plugins/media.ts

@@ -9,13 +9,14 @@ declare var Media: any;
  * import {MediaPlugin} from 'ionic-native';
  *
  *
- * ...
  *
- *
- * // Playing a file
+ * // Create a MediaPlugin instance.  Expects path to file or url as argument
  * var file = new MediaPlugin("path/to/file.mp3");
  *
  * // Catch the Success & Error Output
+ * // Platform Quirks
+ * // iOS calls success on completion of playback only
+ * // Android calls success on completion of playback AND on release()
  * file.init.then(() => {
  *   console.log("Playback Finished");
  * }, (err) => {
@@ -25,14 +26,30 @@ declare var Media: any;
  * // play the file
  * file.play();
  *
- * // skip to 10 seconds
+ * // pause the file
+ * file.pause();
+ *
+ * // get current playback position
+ * file.getCurrentPosition().then((position) => {
+ *   console.log(position);
+ * });
+ *
+ * // get file duration
+ * file.getDuration().then((duration) => {
+ *   console.log(position);
+ * });
+ *
+ * // skip to 10 seconds (expects int value in ms)
  * file.seekTo(10000);
  *
- * // stop plying the file
+ * // stop playing the file
  * file.stop();
  *
- *
- * ...
+ * // release the native audio resource
+ * // Platform Quirks:
+ * // iOS simply create a new instance and the old one will be overwritten
+ * // Android you must call release() to destroy instances of media when you are done
+ * file.release();
  *
  * // Recording to a file
  * var newFile = new MediaPlugin("path/to/file.mp3");