<li><strong>Not</strong> compatible with Gnu Compiler for Java (gcj)</li>
</ul>
</li>
</ul>
<p class="note"><strong>Note:</strong> If JDK is already installed on your development computer, please take a moment to make sure that it meets the version requirements listed above. In
particular, note that some Linux distributions may include JDK 1.4 or Gnu Compiler for Java, both of which are not supported for Android development. </p>
<p>The Android SDK requires disk storage for all of the components that you choose to install. The table below provides a rough idea of the disk-space requirements to expect, based on the components that you plan to use. </p>
<table>
<tr>
<th>Component type</th>
<th>Approximate size</th>
<th>Comments</th>
</tr>
<tr>
<td>SDK Tools</td>
<td>50 MB</td>
<td>Required.</td>
</tr>
<tr>
<td>Android platform (each)</td>
<td>150 MB</td>
<td>At least one platform is required.</td>
</tr>
<tr>
<td>SDK Add-on (each)</td>
<td>100 MB</td>
<td>Optional.</td>
</tr>
<tr>
<td>USB Driver for Windows</td>
<td>10 MB</td>
<td>Optional. For Windows only.</td>
</tr>
<tr>
<td>Samples (per platform)</td>
<td>10M</td>
<td>Optional.</td>
</tr>
<tr>
<td>Offline documentation</td>
<td>250 MB</td>
<td>Optional.</td>
</tr>
</table>
<p>Note that the disk-space requirements above are <em>in addition to</em> those of the Eclipse IDE, JDK, or other prerequisite tools that you may need to install on your development computer.</p>