package com.leon.floatingactionmenu;

import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        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();
            }
        });
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}

@@ -660,1122 +660,8 @@
 ar);
-%0A%0A        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);%0A        fab.setOnClickListener(new View.OnClickListener() %7B%0A            @Override%0A            public void onClick(View view) %7B%0A                Snackbar.make(view, %22Replace with your own action%22, Snackbar.LENGTH_LONG)%0A                        .setAction(%22Action%22, null).show();%0A            %7D%0A        %7D);%0A    %7D%0A%0A    @Override%0A    public boolean onCreateOptionsMenu(Menu menu) %7B%0A        // Inflate the menu; this adds items to the action bar if it is present.%0A        getMenuInflater().inflate(R.menu.menu_main, menu);%0A        return true;%0A    %7D%0A%0A    @Override%0A    public boolean onOptionsItemSelected(MenuItem item) %7B%0A        // Handle action bar item clicks here. The action bar will%0A        // automatically handle clicks on the Home/Up button, so long%0A        // as you specify a parent activity in AndroidManifest.xml.%0A        int id = item.getItemId();%0A%0A        //noinspection SimplifiableIfStatement%0A        if (id == R.id.action_settings) %7B%0A            return true;%0A        %7D%0A%0A        return super.onOptionsItemSelected(item);
 %0A   

Remove useless code.