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Summary: Constants | Methods | Inherited Methods

RoleManager

public final class RoleManager
extends Object

java.lang.Object
↳	android.app.role.RoleManager

This class provides information about and manages roles.

A role is a unique name within the system associated with certain privileges. The list of available roles might change with a system app update, so apps should not make assumption about the availability of roles. Instead, they should always query if the role is available using isRoleAvailable(java.lang.String) before trying to do anything with it. Some predefined role names are available as constants in this class, and a list of possibly available roles can be found in the AndroidX Role library.

There can be multiple applications qualifying for a role, but only a subset of them can become role holders. To qualify for a role, an application must meet certain requirements, including defining certain components in its manifest. These requirements can be found in the AndroidX Libraries. Then the application will need user consent to become a role holder, which can be requested using Activity.startActivityForResult(Intent, int) with the Intent obtained from createRequestRoleIntent(java.lang.String).

Upon becoming a role holder, the application may be granted certain privileges that are role specific. When the application loses its role, these privileges will also be revoked.

Summary

Constants
`String`	`ROLE_ASSISTANT` The name of the assistant app role.
`String`	`ROLE_BROWSER` The name of the browser role.
`String`	`ROLE_CALL_REDIRECTION` The name of the call redirection role.
`String`	`ROLE_CALL_SCREENING` The name of the call screening and caller id role.
`String`	`ROLE_DIALER` The name of the dialer role.
`String`	`ROLE_EMERGENCY` The name of the emergency role
`String`	`ROLE_HOME` The name of the home role.
`String`	`ROLE_SMS` The name of the SMS role.

Public methods
`Intent`	`createRequestRoleIntent(String roleName)` Returns an `Intent` suitable for passing to `Activity.startActivityForResult(Intent, int)` which prompts the user to grant a role to this application.
`boolean`	`isRoleAvailable(String roleName)` Check whether a role is available in the system.
`boolean`	`isRoleHeld(String roleName)` Check whether the calling application is holding a particular role.

Inherited methods

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Constants

ROLE_ASSISTANT

public static final String ROLE_ASSISTANT

The name of the assistant app role.

See also:

VoiceInteractionService

Constant Value: "android.app.role.ASSISTANT"

ROLE_BROWSER

public static final String ROLE_BROWSER

The name of the browser role.

See also:

Intent.CATEGORY_APP_BROWSER

Constant Value: "android.app.role.BROWSER"

ROLE_CALL_REDIRECTION

public static final String ROLE_CALL_REDIRECTION

The name of the call redirection role.

A call redirection app provides a means to re-write the phone number for an outgoing call to place the call through a call redirection service.

See also:

CallRedirectionService

Constant Value: "android.app.role.CALL_REDIRECTION"

ROLE_CALL_SCREENING

public static final String ROLE_CALL_SCREENING

The name of the call screening and caller id role.

See also:

CallScreeningService

Constant Value: "android.app.role.CALL_SCREENING"

ROLE_DIALER

public static final String ROLE_DIALER

The name of the dialer role.

See also:

Constant Value: "android.app.role.DIALER"

ROLE_EMERGENCY

public static final String ROLE_EMERGENCY

The name of the emergency role

Constant Value: "android.app.role.EMERGENCY"

ROLE_HOME

public static final String ROLE_HOME

The name of the home role.

See also:

Intent.CATEGORY_HOME

Constant Value: "android.app.role.HOME"

ROLE_SMS

public static final String ROLE_SMS

The name of the SMS role.

See also:

Intent.CATEGORY_APP_MESSAGING

Constant Value: "android.app.role.SMS"

Public methods

createRequestRoleIntent

public Intent createRequestRoleIntent (String roleName)

Returns an Intent suitable for passing to Activity.startActivityForResult(Intent, int) which prompts the user to grant a role to this application.

If the role is granted, the resultCode will be Activity.RESULT_OK, otherwise it will be Activity.RESULT_CANCELED.

Parameters
`roleName`	`String`: the name of requested role This value cannot be `null`.

Returns
`Intent`	the `Intent` to prompt user to grant the role This value cannot be `null`.

isRoleAvailable

public boolean isRoleAvailable (String roleName)

Check whether a role is available in the system.

Parameters
`roleName`	`String`: the name of role to checking for This value cannot be `null`.

Returns
`boolean`	whether the role is available in the system

isRoleHeld

public boolean isRoleHeld (String roleName)

Check whether the calling application is holding a particular role.

Parameters
`roleName`	`String`: the name of the role to check for This value cannot be `null`.

Returns
`boolean`	whether the calling application is holding the role