Explicit Intent & Implicit Intents using android studio in android.
Intents in Android
Have you ever wondered how a new Activity opens when we click on some button, suppose the settings button to show the Settings screen in any app? How does the app opens up when we click on its notification? How do we get Low battery alert in our mobile? All these things are possible because of Intent in Android.
An Intent is a messaging object that you can use to request an action from an app component. An Intent is basically an intention to do an action. It's a way to communicate between Android components to request an action from a component, by different components.
It's like a message that Android listens for and then react accordingly by identifying and invoking the app's appropriate component (like an Activity, Service, Content Provider, etc.). It can be within that same app or some other app as well.
If multiple apps are capable of responding to the message then Android provides the user with a list of those apps from which a choice can be made.
Uses of Intent in Android
There are three fundamental uses of intents:
1. To start an Activity
An Activity represents a single screen in an app. You can start a new instance of an Activity by passing an Intent to startActivity(). The Intent describes the activity to start and carries any necessary data along.
2. To start a Service
A Service is a component that performs operations in the background and does not have a user interface. You can start a service to perform a one-time operation(such as downloading a file) by passing an Intent to startService(). The Intent describes which service to start and carries any necessary data.
3. To deliver a Broadcast
A broadcast is a message that any app can receive. The system delivers various broadcasts for system events, such as when the system boots up or the device starts charging. You can deliver a broadcast to other apps by passing an Intent to sendBroadcast() or sendOrderedBroadcast().
Types of Intents
In Android, there are two types of Intents:
Explicit Intents
Implicit Intents
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