What is Android Intent category?
category: android.intent.category. DEFAULT. Matches any implicit Intent. This category must be included for your Activity to receive any implicit Intent.
What is Android Intent category launcher?
category — Gives additional information about the action to execute. For example, CATEGORY_LAUNCHER means it should appear in the Launcher as a top-level application, while CATEGORY_ALTERNATIVE means it should be included in a list of alternative actions the user can perform on a piece of data.
What is the purpose of categories in intents?
1 Answer. The category’s alone are useless, they are used to describe a possible target for an “implicit intent” in an intent-filter . When you know which class/activity you want to launch and use startActivity() or startActivityForResult() , it’s called an “explicit intent”.
What’s Android Intent class used for?
An Intent object carries information that the Android system uses to determine which component to start (such as the exact component name or component category that should receive the intent), plus information that the recipient component uses in order to properly perform the action (such as the action to take and the …
What is the use of Intent filter in Android?
An intent filter declares the capabilities of its parent component — what an activity or service can do and what types of broadcasts a receiver can handle. It opens the component to receiving intents of the advertised type, while filtering out those that are not meaningful for the component.
What is Intent and its types?
Intent is to perform an action. It is mostly used to start activity, send broadcast receiver, start services and send message between two activities. There are two intents available in android as Implicit Intents and Explicit Intents. Intent send = new Intent(MainActivity.
What is Intent flag in Android?
Use Intent Flags
Intents are used to launch activities on Android. You can set flags that control the task that will contain the activity. Flags exist to create a new activity, use an existing activity, or bring an existing instance of an activity to the front. … setFlags(Intent. FLAG_ACTIVITY_CLEAR_TASK | Intent.
What is Android Intent Action view?
action. VIEW. Display the specified data to the user. An activity implementing this action will display to the user the given data.
How do you get Intent?
Get data by intent: String subName = getIntent(). getStringExtra(“subjectName”); int insId = getIntent(). getIntExtra(“instituteId”, 0);
How do you use Intent?
To start an activity, use the method startActivity(intent) . This method is defined on the Context object which Activity extends. The following code demonstrates how you can start another activity via an intent. # Start the activity connect to the # specified class Intent i = new Intent(this, ActivityTwo.
What is Android manifest category?
Adds a category name to an intent filter. See Intents and Intent Filters for details on intent filters and the role of category specifications within a filter. attributes: android:name. The name of the category. Standard categories are defined in the Intent class as CATEGORY_name constants.