iPhone apps: Can I open an app from a link in a website?

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Certain apps have URL schemes that will launch them. If an app has published this scheme (or if you dig around in their bundle) you can launch it. For example, a hypothetical twitter app might launch with a twitterapp://here+is+my+tweet URL. If you preload your app with the correct URL scheme, you can do this for yours, too.

Here’s a sample URL scheme from the info.plist:

<key>CFBundleURLTypes</key>
<array>
    <dict>
        <key>CFBundleURLName</key>
        <string>com.standalone.cooltwitterapp</string>
        <key>CFBundleURLSchemes</key>
        <array>
            <string>twitterapp</string>
        </array>
    </dict>
</array>

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