Android: android Intent and IntentFilter

Android: android Intent and IntentFilter

 

1. intentfilter description:

If you want to open another application of an activity, or call our own activity in webView or bybird app,
You can use intentfilter to filter the activities we need;

* Uri parameter description Java Code:

final Uri uri =  Uri.parse(intbird://com.intbird.soft/testing/tested?name='Test');        TextView textView = (TextView)findViewById(R.id.textView);        textView.setText(uri.getScheme() +  //intbird                        + uri.getPort() +   //-1                        + uri.getAuthority() +  //com.intbird.soft                        + uri.getHost() +   //com.intbird.soft                        + uri.getPath() +  // /testing/tested                        + uri.getPathSegments() +  // [tesing,tested]                        + uri.getQuery()+); // name='Text'

Public void onClick (View v) {Intent intent = new Intent (); intent. setAction (android. intent. action. VIEW); intent. setData (uri); PackageManager packageManager = getPackageManager (); List
  
   
Activities = packageManager. queryIntentActivities (intent, 0); boolean isIntentSafe = activities. size ()> 0; if (isIntentSafe) {startActivity (intent);} else {Toast. makeText (MainActivity. this matches None, Toast. LENGTH_SHORT ). show ();}}
  

XML Code:

NOTE: The category label must exist.

2. Better understanding of webpage calls

Uri:
Final Uri urihttp = Uri. parse ("https://www.baidu.com/s? Wd = intbird ");
// Schma: http
// Host: www.baidu.com
// Path:/s
// Query: wd = intbird

XML

Match scheme and multiple hosts. Intent Chooser is displayed.

3. Similarly, if we have multiple activities;

If both are the same:

So:

But: add path [android: path = "/testing"] to one, startActivity directly