manifest.xml

<activity ...>
    <intent-filter android:autoVerify="true">
        <action android:name="android.intent.action.VIEW" />
        <category android:name="android.intent.category.DEFAULT" />
        <category android:name="android.intent.category.BROWSABLE" />
        <data android:scheme="http" android:host="yoursite.com" />
        <data android:scheme="https" android:host="yoursite.com" />
    </intent-filter>
</activity>