How do I open any app from my web browser (Chrome) in Android? What do I have to do with the A Href link?

android, google-chrome, web

Solution

The basic syntax for an intent based URI is as follows:

intent:
   HOST/URI-path // Optional host
   #Intent;
      package=[string];
      action=[string];
      category=[string];
      component=[string];
      scheme=[string];
   end;

Parsing details available in the Android source.

To launch the ZXing barcode scanner app you can encode your href as follows:

<p>
  <a href="intent://scan/#Intent;scheme=zxing;package=com.google.zxing.client.android;end">Take a qr code</a><br>

  <a href="intent://scan/?ret=http%3A%2F%2Fexample.com#Intent;scheme=zxing;package=com.google.zxing.client.android;end">Take a qr code = 10px x 10px</a><br>

  <a href="intent:play/?mediaset=android-phone-rtmp-high&amp;playlisturl=http://www.bbc.co.uk/iplayer/playlist/bbc_one_london#Intent;scheme=bbcmediaplayer;package=air.uk.co.bbc.android.mediaplayer;end">Launch BBC</a>
</p>

The Android manifest defines the scheme to be `zxing`, the package to be `com.google.zxing.client.android` and the host data to be `scan`.

If the activity you are invoking via an intent contains `extra` data, these too can be included.

Only activities that have category filter `android.intent.category.BROWSABLE` are able to be invoked using this method as it indicates that the application is safe to open from the browser.

Problem

I want to open third party apps from my web browser. So, I don't have any manifest file or anything. I have a web page. I want to have a link which opens the third party app e.g Twitter or Opera. How do I structure the anchor link to go open that app? Thank you.

Original source