53.4 Implicit Intents
Unlike explicit intents, which reference the class name of the activity to be launched, implicit intents identify the activity to be launched by specifying the action to be performed and the type of data to be handled by the receiving activity. For example, an action type of ACTION_VIEW accompanied by the URL of a web page in the form of a URI object will instruct the Android system to search for, and subsequently launch, a web browser capable activity. The following implicit intent will, when executed on an Android device, result in the designated web page appearing in a web browser activity:
Intent intent = new Intent(Intent.ACTION_VIEW,
Uri.parse("https://www.ebookfrenzy.com"));
startActivity(intent);
When the above implicit intent is issued by an activity, the Android system will search for activities on the device that have registered the ability to handle ACTION_VIEW requests...