smartglasses/code/TraceFragment.java

package com.example.fragment;

import android.os.Bundle;

import androidx.fragment.app.Fragment;

import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.example.smartglasses.R;
import com.example.smartglasses.databinding.FragmentTraceBinding;


public class TraceFragment extends Fragment {
    FragmentTraceBinding binding;
    private String[] titles = {"今天","昨天"};
    public TraceFragment() {
        // Required empty public constructor
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        binding = FragmentTraceBinding.inflate(inflater, container, false);
        binding.easyIndicator2.setTabTitles(titles);
        return binding.getRoot();
    }
}