BestPracticeActivity.java

package com.cheng.bestpractice;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

import com.cheng.designpatternstudy.R;

public class BestPracticeActivity extends AppCompatActivity {

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