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Troubleshooting Auto Verification of Seamless Android App Deep Linking

You’ve read all of the Android documentation on how to add seamless deep-links into your app, but it still isn’t working, and you’re seeing the app-chooser dialog.

 

Here are a few things that helped me with troubleshooting, and hopefully they’ll help you as well.

Checklist for troubleshooting “autoVerify”:

  1. Have you use App Links Assistant in Android Studio?  There are tons of new features here to help you debug issues.
  2. Did you add an intent filter for your DeepLinkActivity with autoVerify=”true” to your manifest? 
    <activity
    android:name=".deeplink.DeepLinkActivity"
    android:theme="@android:style/Theme.NoDisplay">
    <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="https" android:host="mycompany.com" />
    </intent-filter>
</activity>
  3. Is there an assetlinks.json file publicly accessible (the real internet, not just your corporate VPN) in the correct place like… 
    https://HOST/.well-known/assetlinks.json

    … for EVERY single one of the HOSTs listed in your manifest intent-filters?  Unless every, single one of them is valid, not even links to valid hosts will work.

  4. Is your the sha256 hash of your DEBUG and RELEASE keystores both in your assetlinks.json file?  It doesn’t hurt to include both signatures. 
    keytool -list -v -keystore my-keystore.keystore
  5. Have you monitored the Logcat filtered for SingleHostAsyncVerifier and IntentFilterIntentSvc?  They print out logs after an adb install that tell you the status of auto-verification. Filter for IntentFilterIntentSvc, and if you see “Success:true”, then you’re good!  See more details here. 
    I IntentFilterIntentSvc: Verification 6 complete. Success:true. Failed hosts:.

 

Best of luck, hopefully this helps a little!

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