Android Deep Linking Activity

AndroidManifest.xml

<activity
  android:name="com.your.app.activity.ParseDeepLinkActivity"
  android:alwaysRetainTaskState="true"
  android:launchMode="singleTask"
  android:noHistory="true"
  android:theme="@android:style/Theme.Translucent.NoTitleBar">
  
  <intent-filter android:autoVerify="true">
    <data android:scheme="http" android:host="yourdomain.com" />
    <data android:scheme="https" android:host="yourdomain.com" />
    <action android:name="android.intent.action.VIEW" />
    <category android:name="android.intent.category.DEFAULT" />
    <category android:name="android.intent.category.BROWSABLE" />
  </intent-filter>
</activity>

ParseDeepLinkActivity.java

public class ParseDeepLinkActivity extends Activity {
  public static final String PRODUCTS_DEEP_LINK = "/products";
  public static final String XMAS_DEEP_LINK = "/campaigns/xmas";
  
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    // Extrapolates the deeplink data
    Intent intent = getIntent();
    Uri deeplink = intent.getData();

    // Parse the deeplink and take the adequate action 
    if (deeplink != null) {
      parseDeepLink(deeplink);
    }
  }
  
  private void parseDeepLink(Uri deeplink) {
    // The path of the deep link, e.g. '/products/123?coupon=save90'
    String path = deeplink.getPath();

    if (path.startsWith(PRODUCTS_DEEP_LINK)) {
      // Handles a product deep link
      Intent intent = new Intent(this, ProductActivity.class);
      intent.putExtra("id", deeplink.getLastPathSegment()); // 123
      intent.putExtra("coupon", deeplink.getQueryParameter("coupon")); // save90
      startActivity(intent);
    } else if (XMAS_DEEP_LINK.equals(path)) {
      // Handles a special xmas deep link
      startActivity(new Intent(this, XmasCampaign.class));
    }  else {
      // Fall back to the main activity
      startActivity(new Intent(context, MainActivity.class));
    }
  }
}