android/sample: use IjkMediaPlayer by default to avoid confusing.

android/ijkplayer/ijkplayer-sample/src/main/java/tv/danmaku/ijk/media/sample/widget/media/IjkVideoView.java

@@ -967,7 +967,18 @@ public class IjkVideoView extends FrameLayout implements MediaController.MediaPl
         IMediaPlayer mediaPlayer = null;
 
         switch (playerType) {
-            case Settings.PV_PLAYER__IjkMediaPlayer: {
+            case Settings.PV_PLAYER__IjkExoMediaPlayer: {
+                IjkExoMediaPlayer IjkExoMediaPlayer = new IjkExoMediaPlayer(mAppContext);
+                mediaPlayer = IjkExoMediaPlayer;
+            }
+            break;
+            case Settings.PV_PLAYER__AndroidMediaPlayer: {
+                AndroidMediaPlayer androidMediaPlayer = new AndroidMediaPlayer();
+                mediaPlayer = androidMediaPlayer;
+            }
+            break;
+            case Settings.PV_PLAYER__IjkMediaPlayer:
+            default: {
                 IjkMediaPlayer ijkMediaPlayer = null;
                 if (mUri != null) {
                     ijkMediaPlayer = new IjkMediaPlayer();
@@ -1006,17 +1017,6 @@ public class IjkVideoView extends FrameLayout implements MediaController.MediaPl
                 mediaPlayer = ijkMediaPlayer;
             }
             break;
-            case Settings.PV_PLAYER__IjkExoMediaPlayer: {
-                IjkExoMediaPlayer IjkExoMediaPlayer = new IjkExoMediaPlayer(mAppContext);
-                mediaPlayer = IjkExoMediaPlayer;
-            }
-            break;
-            case Settings.PV_PLAYER__AndroidMediaPlayer:
-            default: {
-                AndroidMediaPlayer androidMediaPlayer = new AndroidMediaPlayer();
-                mediaPlayer = androidMediaPlayer;
-            }
-            break;
         }
 
         if (mSettings.getEnableDetachedSurfaceTextureView()) {