How to declare intent filters in Android manifest?
To advertise which implicit intents your app can receive, declare one or more intent filters for each of your app components with an element in your manifest file. Each intent filter specifies the type of intents it accepts based on the intent’s action, data, and category.
What happens if we create intent filter for an activity?
In case if we create Intent Filter for an activity, there is a possibility for other apps to start our activity by sending a certain type of intent otherwise the activity can be started only by an explicit intent.
What are the different types of intents in Android?
There are two types of intents: Explicit intents specify which application will satisfy the intent, by supplying either the target app’s package name or… Implicit intents do not name a specific component, but instead declare a general action to perform, which allows a…
What do you need to know about intent category?
It defines the name of an intent category to be accepted and it must be the literal string value of an action, not the class constant. It defines the type of data to be accepted and by using one or more attributes we can specify various aspects of the data URI (scheme, host, port, path) and MIME type.
How are categories defined in Android intent class?
Standard categories are defined in the Intent class as CATEGORY_ name constants. The name assigned here can be derived from those constants by prefixing ” android.intent.category. ” to the name that follows CATEGORY_. For example, the string value for CATEGORY_LAUNCHER is ” android.intent.category.LAUNCHER “.
What is the string value for category launcher in Android?
For example, the string value for CATEGORY_LAUNCHER is ” android.intent.category.LAUNCHER “. Note: In order to receive implicit intents, you must include the CATEGORY_DEFAULT category in the intent filter. The methods startActivity () and startActivityForResult () treat all intents as if they declared the CATEGORY_DEFAULT category.
What are the different types of intent filters?
Intents and Intent Filters 1 Intent types. Explicit intents specify which application will satisfy the intent, by supplying either the target app’s package name or a fully-qualified component class name. 2 Building an intent. 3 Receiving an implicit intent. 4 Using a pending intent. 5 Intent resolution.