Toolbar toolbar = (Toolbar)findViewById(R.id.toolbar);
        
        //Title and subtitle
        toolbar.setTitle("MY toolbar");
        toolbar.setSubtitle("Subtitle");

        //Menu
        toolbar.inflateMenu(R.menu.toolbar_menu);

        toolbar.setOnMenuItemClickListener(new Toolbar.OnMenuItemClickListener() {
            @Override
            public boolean onMenuItemClick(MenuItem menuItem) {

                switch (menuItem.getItemId()){
                    case R.id.action_share:
                        Toast.makeText(ToolbarActivity.this,"Share",Toast.LENGTH_SHORT).show();
                        return true;
                }

                return false;
            }
        });
        
        //Navigation Icon
        toolbar.setNavigationIcon(R.drawable.ic_launcher);
        toolbar.setNavigationOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Toast.makeText(ToolbarActivity.this,"Navigation",Toast.LENGTH_SHORT).show();
            }
        });