Fix bug

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

@@ -195,7 +195,6 @@ public class LiveActivity extends BaseActivity implements GroupPresenter.OnClick
 
     @Override
     public void onItemClick(Group item) {
-        if (item.isSelected()) return;
         mChannelAdapter.setItems(mGroup.getChannel(), null);
         mBinding.channel.setSelectedPosition(mGroup.getPosition());
     }
@@ -214,7 +213,13 @@ public class LiveActivity extends BaseActivity implements GroupPresenter.OnClick
         showInfo();
     }
 
-    private void nextGroup() {
+    private void getUrl() {
+        mBinding.progress.getRoot().setVisibility(View.VISIBLE);
+        mViewModel.getUrl(mChannel);
+    }
+
+    @Override
+    public void nextGroup() {
         int position = mBinding.group.getSelectedPosition() + 1;
         if (position > mGroupAdapter.size() - 1) position = 0;
         mGroup = (Group) mGroupAdapter.get(position);
@@ -223,7 +228,8 @@ public class LiveActivity extends BaseActivity implements GroupPresenter.OnClick
         mGroup.setPosition(0);
     }
 
-    private void prevGroup() {
+    @Override
+    public void prevGroup() {
         int position = mBinding.group.getSelectedPosition() - 1;
         if (position < 0) position = mGroupAdapter.size() - 1;
         mGroup = (Group) mGroupAdapter.get(position);
@@ -232,11 +238,6 @@ public class LiveActivity extends BaseActivity implements GroupPresenter.OnClick
         mGroup.setPosition(mGroup.getChannel().size() - 1);
     }
 
-    private void getUrl() {
-        mBinding.progress.getRoot().setVisibility(View.VISIBLE);
-        mViewModel.getUrl(mChannel);
-    }
-
     @Override
     public boolean dispatchKeyEvent(KeyEvent event) {
         if (isGone(mBinding.recycler) && mKeyDown.hasEvent(event)) return mKeyDown.onKeyDown(event);

app/src/leanback/java/com/fongmi/android/tv/ui/custom/CustomLiveGridView.java

@@ -9,6 +9,7 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.leanback.widget.VerticalGridView;
 
+import com.fongmi.android.tv.R;
 import com.fongmi.android.tv.utils.Utils;
 
 public class CustomLiveGridView extends VerticalGridView {
@@ -32,17 +33,22 @@ public class CustomLiveGridView extends VerticalGridView {
     }
 
     private void moveTop() {
-        if (getSelectedPosition() == getAdapter().getItemCount() - 1) setSelectedPosition(0);
         listener.setUITimer();
+        if (getSelectedPosition() != getAdapter().getItemCount() - 1) return;
+        if (getId() == R.id.channel) setSelectedPosition(0);
+        else listener.nextGroup();
+
     }
 
     private void moveBottom() {
-        if (getSelectedPosition() == 0) setSelectedPosition(getAdapter().getItemCount());
         listener.setUITimer();
+        if (getSelectedPosition() != 0) return;
+        if (getId() == R.id.channel) setSelectedPosition(getAdapter().getItemCount());
+        else listener.prevGroup();
     }
 
     @Override
-    public boolean dispatchKeyEvent(KeyEvent event) {
+    public boolean dispatchKeyEvent(@NonNull KeyEvent event) {
         if (getVisibility() == View.GONE || event.getAction() != KeyEvent.ACTION_DOWN) return super.dispatchKeyEvent(event);
         if (Utils.isUpKey(event)) moveBottom();
         else if (Utils.isDownKey(event)) moveTop();
@@ -52,5 +58,9 @@ public class CustomLiveGridView extends VerticalGridView {
     public interface Callback {
 
         void setUITimer();
+
+        void nextGroup();
+
+        void prevGroup();
     }
 }