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docs: add note about declaring file sizes with sample app's code

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Change-Id: I7858956916c0db5a585228a890a20fb004155b8c
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Scott Main
2012-03-05 13:22:56 -08:00
parent 6f63d6fc04
commit 2df6ecc508
1 changed files with 9 additions and 3 deletions
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docs/html/guide/market/expansion-files.jd
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@@ -700,7 +700,8 @@ boolean expansionFilesDelivered() {
}
</pre>
<p>In this case, each {@code XAPKFile} object holds the version number and file size of a known
expansion file and a boolean as to whether it's the main expansion file.</p>
expansion file and a boolean as to whether it's the main expansion file. (See the sample
application's {@code SampleDownloaderActivity} class for details.)</p>
<p>If this method returns false, then the application must begin the download.</p>
</li>
<li>Start the download by calling the static method {@code
@@ -870,8 +871,8 @@ which describes various information about the download progress, including estim
current speed, overall progress, and total so you can update the download progress UI.</dd>
</dl>
<p class="note"><strong>Tip:</strong> For examples of these callbacks that update the download
progress UI, see the {@code SampleDownloaderActivity} in the sample app provided with the Expansion
Downloader package.</p>
progress UI, see the {@code SampleDownloaderActivity} in the sample app provided with the
APK Expansion Library package.</p>
<p>Some public methods for the {@code IDownloaderService} interface you might find useful are:</p>
@@ -1125,6 +1126,11 @@ ZipResourceFile expansionFile = new ZipResourceFile(filePathToMyZip);
InputStream fileStream = expansionFile.getInputStream(pathToFileInsideZip);
</pre>
<p>For more information about using this library for your expansion files, look at
the sample application's {@code SampleDownloaderActivity} class, which includes additional code to
verify the downloaded files using CRC. Beware that if you use this sample as the basis for
your own implementation, it requires that you <strong>declare the byte size of your expansion
files</strong> in the {@code xAPKS} array.</p>