package com.example.greg.fragment

import android.support.v7.app.AppCompatActivity
import android.os.Bundle
import android.widget.Button

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        //  設定按鈕，按下執行
        val aButton:Button = findViewById(R.id.Button)
        aButton.setOnClickListener{

            //  取得轉換物件
            val managerTransaction = supportFragmentManager.beginTransaction()
            managerTransaction.replace(R.id.MainActivity, NewFragment()).commit()
        }

    }
}