YellowPages/app/src/main/java/me/yoqi/android/yellowpage/MainActivity.java

package me.yoqi.android.yellowpage;

import android.os.Bundle;
import android.widget.TextView;

import androidx.appcompat.app.AppCompatActivity;

public class MainActivity extends AppCompatActivity {

    TextView tvLabel;

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

    private void initView() {
        tvLabel = findViewById(R.id.tv_label);
    }
}