MainActivity.java

package swe.practice1104;

import android.content.Intent;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v4.view.MotionEventCompat;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
    public void gess(View view)
    {
        Intent in = new Intent(this,Main2Activity.class);
        startActivity(in);
    }
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);

        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                        .setAction("Action", null).show();
            }
        });
        final GestureDetector gestureDetector = new GestureDetector(new GestureDetector.SimpleOnGestureListener() {
            public void onLongPress(MotionEvent e) {
                Toast.makeText(getApplicationContext(),"LongPressed",Toast.LENGTH_SHORT).show();
            }
        });
        View myView = findViewById(R.id.button);
        myView.setOnTouchListener(new View.OnTouchListener() {
            public boolean onTouch(View v, MotionEvent event) {
                return gestureDetector.onTouchEvent(event);
            }
        });
    }

    public boolean onTouchEvent(MotionEvent event){

        int action = MotionEventCompat.getActionMasked(event);

        switch(action) {
            case (MotionEvent.ACTION_DOWN) :
                Toast.makeText(getApplicationContext(),"Action was DOWN",Toast.LENGTH_SHORT).show();
                return true;
            /*
            case (MotionEvent.ACTION_MOVE) :

                Toast.makeText(getApplicationContext(),"Action was MOVE",Toast.LENGTH_SHORT).show();
                return true;
            */
            case (MotionEvent.ACTION_UP) :

                Toast.makeText(getApplicationContext(),"Action was UP",Toast.LENGTH_SHORT).show();
                return true;