Adjust live next rule

app/src/leanback/java/com/fongmi/android/tv/ui/activity/LiveActivity.java

@@ -678,7 +678,7 @@ public class LiveActivity extends BaseActivity implements GroupPresenter.OnClick
 
     private void onError() {
         mPlayers.reset();
-        if (mChannel.isLastLine()) {
+        if (mChannel.isOnly()) {
             if (isGone(mBinding.recycler)) onKeyDown();
         } else {
             nextLine(true);

app/src/main/java/com/fongmi/android/tv/bean/Channel.java

@@ -175,10 +175,6 @@ public class Channel {
         return getUrls().size() == 1;
     }
 
-    public boolean isLastLine() {
-        return getLine() == getUrls().size() - 1;
-    }
-
     public String getLineText() {
         return isOnly() ? "" : ResUtil.getString(R.string.live_line, getLine() + 1);
     }