//u .xml

<Button
        android:id="@+id/button1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Click and hold on it" />

// u onCreate (za Context menu)

Button btn = (Button) findViewById(R.id.button1);
        btn.setOnCreateContextMenuListener(this);


// u Activity nakon onCreate



//za options menu
	
	@Override
    public boolean onCreateOptionsMenu(Menu menu) {
        super.onCreateOptionsMenu(menu);
        CreateMenu(menu);
        return true;
    }
    
    @Override
    public boolean onOptionsItemSelected(MenuItem item)
    {
         return MenuChoice(item);
    }
    
    // za context menu
    
    @Override
    public void onCreateContextMenu(ContextMenu menu, View view,
    ContextMenuInfo menuInfo)
    {
         super.onCreateContextMenu(menu, view, menuInfo);
         CreateMenu(menu);
    }


    @Override
	public boolean onContextItemSelected(MenuItem item)
	    {
		    return MenuChoice(item);
			}
	
	
	// prva pomocna funkcija

private void CreateMenu(Menu menu)
{
    menu.setQwertyMode(true);
    MenuItem mnu1 = menu.add(0, 0, 0, "Item 1");
    {
        mnu1.setAlphabeticShortcut('a');
        mnu1.setIcon(R.mipmap.ic_launcher);
    }
    MenuItem mnu2 = menu.add(0, 1, 1, "Item 2");
    {
        mnu2.setAlphabeticShortcut('b');
        mnu2.setIcon(R.mipmap.ic_launcher);
    }
    MenuItem mnu3 = menu.add(0, 2, 2, "Item 3");
    {
        mnu3.setAlphabeticShortcut('c');
        mnu3.setIcon(R.mipmap.ic_launcher);
    }
    MenuItem mnu4 = menu.add(0, 3, 3, "Item 4");
    {
        mnu4.setAlphabeticShortcut('d');
    }
    
    menu.add(0, 4, 4, "Item 5");
    menu.add(0, 5, 5, "Item 6");
    menu.add(0, 6, 6, "Item 7");        
}


//druga pomocna fukcija
private boolean MenuChoice(MenuItem item)
{
    switch (item.getItemId()) {
    case 0:
        Toast.makeText(this, "You clicked on Item 1",
            Toast.LENGTH_LONG).show();
        return true;
    case 1:
        Toast.makeText(this, "You clicked on Item 2",
            Toast.LENGTH_LONG).show();
        return true;
    case 2:
        Toast.makeText(this, "You clicked on Item 3",
            Toast.LENGTH_LONG).show();
        return true;
    case 3:
        Toast.makeText(this, "You clicked on Item 4",
            Toast.LENGTH_LONG).show();
        return true;
    case 4:
        Toast.makeText(this, "You clicked on Item 5",
            Toast.LENGTH_LONG).show();
        return true;
    case 5:
        Toast.makeText(this, "You clicked on Item 6",
            Toast.LENGTH_LONG).show();
        return true;
    case 6:
        Toast.makeText(this, "You clicked on Item 7",
            Toast.LENGTH_LONG).show();
        return true;
    }
    return false;
}