---
title: Existing Android Phones
toc: false
...

> Back to [Intro]()

Existing products:

<table>
<tr>
<th>
Android Phone 1 / Team 1
</th>
<th>
Android Phone 2 / Team 2
</th>
<th>
Android Phone PL / Bob
</th>
</tr>

<tr>
<td>

```clafer
AndroidPhone1
    Connectivity
        Bluetooth40
        GSM
        WiFi
        USB
    Battery
        LiBattery1450
```

</td>
<td>

```clafer
AndroidPhone2
    Connectivity
        Bluetooth21
        GSM
        USB
    Battery
        LiBattery1150
```

</td>
<td>

Reusable model fragment `Bluetooth`:

```clafer
abstract xor Bluetooth
    Bluetooth20 ?
    Bluetooth21 ?
    Bluetooth40 ?
```

Adding the fragment using backquote mechanism:

```clafer
abstract MobilePhone
    Connectivity
        `Bluetooth
        GSM
        LTE ?
            [LiBattery1400]
        WiFi ?
        USB ?
    xor Battery
        LiBattery1150 ?
        LiBattery1400 ?
```

Adding market segments.

Low-end phones:

```clafer
LowEndPhones : MobilePhone
    [no WiFi]
```

and high-end phones:

```clafer
HighEndPhones : MobilePhone
    [USB && WiFi]
    QuadCPU ?
```

</td>
</tr>
</table>

```{.clafer .ide}
```