Make a link in the Android browser start up my app?

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Is it possible to make a link such as:

<a href="anton://useful_info_for_anton_app">click me!</a>

cause my Anton app to start up?

I know that this works for the Android Market app with the market protocol, but can something similar be done with other apps?

Here is an example of a link that will start up the Android Market:

<a href="market://search?q=pname:com.nytimes.android">click me!</a>

Update: The answer I accepted provided by eldarerathis works great, but I just want to mention that I had some trouble with the order of the subelements of the <intent-filter> tag. I suggest you simply make another <intent-filter> with the new subelements in that tag to avoid the problems I had. For instance my AndroidManifest.xml looks like this:

<activity android:name=".AntonWorld"
          android:label="@string/app_name">
    <intent-filter>
        <action android:name="android.intent.action.MAIN" />
        <category android:name="android.intent.category.LAUNCHER" />
    </intent-filter>
    <intent-filter>
        <data android:scheme="anton" />
        <action android:name="android.intent.action.VIEW" />
        <category android:name="android.intent.category.BROWSABLE" />
        <category android:name="android.intent.category.DEFAULT" />
    </intent-filter>
</activity>
10 Answers

This method doesn't call the disambiguation dialog asking you to open either your app or a browser.

If you register the following in your Manifest

<manifest package="com.myApp" .. >
  <application ...>
    <activity ...>
      <intent-filter>
        <action android:name="android.intent.action.VIEW" />
        <category android:name="android.intent.category.DEFAULT" />
        <category android:name="android.intent.category.BROWSABLE" />
        <data
          android:host="gallery"
          android:scheme="myApp" />
      </intent-filter>
    </activity>
    ..

and click this url from an email on your phone for example

<a href="intent://gallery?directLink=true#Intent;scheme=myApp;package=com.myApp;end"> 
  Click me 
</a>

then android will try to find an app with the package com.myApp that responds to your gallery intent and has a myApp scheme. In case it can't, it will take you to the store, looking for com.myApp, which should be your app.

Just want to open the app through browser? You can achieve it using below code:

HTML:

<a href="intent:#Intent;action=packageName;category=android.intent.category.DEFAULT;category=android.intent.category.BROWSABLE;end">Click here</a>

Manifest:

<intent-filter>
      <action android:name="packageName" />
      <category android:name="android.intent.category.DEFAULT" />
      <category android:name="android.intent.category.BROWSABLE" />
</intent-filter>

This intent filter should be in Launcher Activity.

If you want to pass the data on click of browser link, just refer this link.

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