UIKitActivity.java

package com.example.uikitinsidefragment;

import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.FragmentManager;
import android.os.Bundle;
import com.sendbird.android.GroupChannel;
import com.sendbird.android.GroupChannelListQuery;
import com.sendbird.uikit.fragments.ChannelListFragment;


public class UIKitActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_uikit);

        invokeUIKit();
    }

    /**
     * Show UIKit fragment
     */
    private void invokeUIKit() {
        ChannelListFragment fragment = createChannelListFragment();
        FragmentManager manager = getSupportFragmentManager();
        manager.popBackStack();
        manager.beginTransaction()
                .replace(R.id.fragmentContainer, fragment)
                .commit();
    }

    protected ChannelListFragment createChannelListFragment() {
        // Your query here
        GroupChannelListQuery query = GroupChannel.createMyGroupChannelListQuery();
        query.setIncludeEmpty(true);
        // Return
        return new ChannelListFragment.Builder()
                .setUseHeader(true)
                .setGroupChannelListQuery(query)
                    .build();
    }
}