fix ads path empty

@@ -12,9 +12,11 @@ import android.os.Handler;
 import android.view.KeyEvent;
 import android.view.View;
 import android.widget.TextView;
+import android.widget.Toast;
 import android.widget.VideoView;
 import com.gimi.common.cinema.model.Constant;
 import com.gimi.common.cinema.utils.OpenMMUtils;
+import com.gimi.common.cinema.utils.SambaFileCharge;
 import com.gimi.common.cinema.utils.Utils;
 import com.xgimi.gimicinema.R;
 
@@ -48,6 +50,12 @@ public class AdsPreVideoPlayerActivity extends BaseActivity {
         timeCount = (TextView) findViewById(R.id.promoteTv);
         playUrl = getAdsVideoUrl();
         videoPath = getIntent().getStringExtra(MOVIE_PLAY_PATH);
+        if (!SambaFileCharge.fileExist(playUrl)) {
+            Toast.makeText(this, "映前广告不存在,请设置", Toast.LENGTH_SHORT).show();
+            OpenMMUtils.openPlayer(AdsPreVideoPlayerActivity.this, videoPath, 0);
+            AdsPreVideoPlayerActivity.this.finish();
+            return;
+        }
         Uri videoUri = Uri.parse(playUrl);
         videoView.setVideoURI(videoUri);
         videoView.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {