PutExtra() adds simple data types (such as a text string).įlags instruct the Android system on how to launch activity and treat it after it is launched. NOTE setData() is used to point to the location of a data object (like a file). The extras are specified in putExtra() method. ExtrasĮxtras are the key-value pairs that contain extra information to perform the requested action. ActionĪction represents the action to be taken/performed - ACTION_VIEW and ACTION_SEND.ĪCTION_VIEW is used to show some information to the user.ĪCTION_SEND is used to share some data using a 3rd party application.ĭata represents the type of data to be sent.įor data URI, setData() is called and for the MIME type, setType() is called. Optional, used while declaring an explicit intent and a service. The component name represents the component's name (or component category) to start. Building Blocks of an Intent Component name In the above code snippet, an explicit intent is declared to move from one activity to another. Here, the component is specified, i.e., the external class to be invoked is provided. In the above code snippet, an implicit intent is declared to view a webpage(URL). Here, no component is specified instead, an action is performed. Intents are classified into two categories: Implicit Intent send messages between two activities, etc.įor example, while using some android application, we click on a phone number, and it automatically dials it.
The Intent is a mechanism that helps users move from one activity to another within the same application and other applications.
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