putExtra ( 'user', u ) startActivity ( i ) val u = User ( 'John', 'Smith', 45 ) val i = Intent ( this, SecondActivity :: class. User u = new User ( 'John', 'Smith', 45 ) Intent i = new Intent ( ActivityOne. Then you can pass arbitrary user objects into an intent as an extra: Using an intent is as simple as constructing the Intent with the correct parameters and then invoking that intent using the startActivity method: // ActivityOne.java public void launchComposeView () For example, if you the user presses the 'compose' button and you want to bring up an activity for them to compose a message, you would launch that second activity using an explicit intent. Explicit IntentsĪn 'explicit' intent is used to launch other activities within your application. The Intent object itself is a class that represents a particular 'request' including the topic of the request and any request 'parameters' which are called the Bundle. Initiate a call for the user to a given numberĪs you can see, the Intent is a core part of user flows in Android development.

Take the user to the camera to have them take a picture.

Take the user to a particular URL within the Android web browser.

Take the user to another screen (activity) within your application.

A few key tasks that an intent might be used for within your apps: Think of an intent as a way for an Activity to communicate with the outside Android world. An intent is a message that can be thought of as a request that is given to either an activity within your own app, an external application, or a built-in Android service.

Intent is a powerful concept within the Android universe.

How to get intent android studio