Android code

package com.example.user.myfirstandroid;


import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Button;

import static android.view.View.INVISIBLE;
import static android.view.View.VISIBLE;

public class MainActivity extends AppCompatActivity{


   private Button button,button2;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        button = (Button) findViewById(R.id.button);
        button2 = (Button) findViewById(R.id.button2);
        //final Button button2 = new Button(getApplicationContext());
        button2.setVisibility(INVISIBLE);
        View.OnTouchListener abc = new View.OnTouchListener() {
            @Override
            public boolean onTouch(View view, MotionEvent event) {
                switch(event.getAction()) {
                    case MotionEvent.ACTION_DOWN:
                        // PRESSED
                        button2.setVisibility(VISIBLE);
                        button.setVisibility(INVISIBLE);
                        return true; // if you want to handle the touch event
                    case MotionEvent.ACTION_UP:
                        // RELEASED
                       // button.setVisibility(INVISIBLE);
                        return true; // if you want to handle the touch event
                }
                return false;
            }

        };
        button.setOnTouchListener(abc);



        View.OnTouchListener def = new View.OnTouchListener() {
            @Override
            public boolean onTouch(View view, MotionEvent event) {
                switch(event.getAction()) {
                    case MotionEvent.ACTION_DOWN:
                        // PRESSED
                        button.setVisibility(VISIBLE);
                        button2.setVisibility(INVISIBLE);
                        return true; // if you want to handle the touch event
                    case MotionEvent.ACTION_UP:
                        // RELEASED
                        //button2.setVisibility(INVISIBLE);
                        return true; // if you want to handle the touch event
                }
                return false;
            }

        };
        button2.setOnTouchListener(def);


        /*button2.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View view) {
                button2.setVisibility(INVISIBLE);
                button.setVisibility(VISIBLE);
            }
        });*/

    }
}