@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
    if(v.getId()==R.id.button2); {
        this.getMenuInflater().inflate(R.menu.color_context_menu,menu);
    }
    super.onCreateContextMenu(menu, v, menuInfo);
}

@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
    if(v.getId()==R.id.button);{
        this.getMenuInflater().inflate(R.menu.color_context_menu,menu);
    }
    super.onCreateContextMenu(menu, v, menuInfo);
}

@Override
public boolean onCreateOptionsMenu(Menu menu)  {
    getMenuInflater().inflate(R.menu.menu_main, menu);
    return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    int id = item.getItemId();

    if (id == R.id.action_settings) {
        return true;
    }
    return super.onOptionsItemSelected(item);
}