Add a system API to get the main user. (7d38aca0) · Commits · e / os / android_frameworks_base

core/api/system-current.txt

+1 −0

Original line number	Diff line number	Diff line
		@@ -10042,6 +10042,7 @@ package android.os {
		method @NonNull @RequiresPermission(anyOf={android.Manifest.permission.MANAGE_USERS, android.Manifest.permission.CREATE_USERS}) public android.os.NewUserResponse createUser(@NonNull android.os.NewUserRequest);
		method @NonNull public java.util.List<android.os.UserHandle> getAllProfiles();
		method @NonNull public java.util.List<android.os.UserHandle> getEnabledProfiles();
		method @Nullable @RequiresPermission(anyOf={android.Manifest.permission.MANAGE_USERS, android.Manifest.permission.CREATE_USERS, android.Manifest.permission.QUERY_USERS}) public android.os.UserHandle getMainUser();
		method @Nullable @RequiresPermission(anyOf={android.Manifest.permission.MANAGE_USERS, android.Manifest.permission.INTERACT_ACROSS_USERS}) public android.os.UserHandle getProfileParent(@NonNull android.os.UserHandle);
		method @RequiresPermission(anyOf={android.Manifest.permission.MANAGE_USERS, android.Manifest.permission.CREATE_USERS, android.Manifest.permission.QUERY_USERS}) public int getRemainingCreatableProfileCount(@NonNull String);
		method @RequiresPermission(anyOf={android.Manifest.permission.MANAGE_USERS, android.Manifest.permission.CREATE_USERS, android.Manifest.permission.QUERY_USERS}) public int getRemainingCreatableUserCount(@NonNull String);

core/java/android/os/IUserManager.aidl

+1 −0

Original line number	Diff line number	Diff line
		@@ -58,6 +58,7 @@ interface IUserManager {
		void setUserIcon(int userId, in Bitmap icon);
		ParcelFileDescriptor getUserIcon(int userId);
		UserInfo getPrimaryUser();
		int getMainUserId();
		List<UserInfo> getUsers(boolean excludePartial, boolean excludeDying, boolean excludePreCreated);
		List<UserInfo> getProfiles(int userId, boolean enabledOnly);
		int[] getProfileIds(int userId, boolean enabledOnly);

core/java/android/os/UserManager.java

+31 −6

Original line number	Diff line number	Diff line
		@@ -2377,14 +2377,16 @@ public class UserManager {
		}

		/**
		* Returns true if the context user is the designated "main user" of the device. This user may
		* have access to certain features which are limited to at most one user.
		* Returns {@code true} if the context user is the designated "main user" of the device. This
		* user may have access to certain features which are limited to at most one user. There will
		* never be more than one main user on a device.
		*
		* <p>Currently, the first human user on the device will be the main user; in the future, the
		* concept may be transferable, so a different user (or even no user at all) may be designated
		* the main user instead.
		* <p>Currently, on most form factors the first human user on the device will be the main user;
		* in the future, the concept may be transferable, so a different user (or even no user at all)
		* may be designated the main user instead. On other form factors there might not be a main
		* user.
		*
		* <p>Note that this will be the not be the system user on devices for which
		* <p>Note that this will not be the system user on devices for which
		* {@link #isHeadlessSystemUserMode()} returns true.
		* @hide
		*/
		@@ -2399,6 +2401,29 @@ public class UserManager {
		return user != null && user.isMain();
		}

		/**
		* Returns the designated "main user" of the device, or {@code null} if there is no main user.
		*
		* @see #isMainUser()
		* @hide
		*/
		@SystemApi
		@RequiresPermission(anyOf = {
		Manifest.permission.MANAGE_USERS,
		Manifest.permission.CREATE_USERS,
		Manifest.permission.QUERY_USERS})
		public @Nullable UserHandle getMainUser() {
		try {
		final int mainUserId = mService.getMainUserId();
		if (mainUserId == UserHandle.USER_NULL) {
		return null;
		}
		return UserHandle.of(mainUserId);
		} catch (RemoteException re) {
		throw re.rethrowFromSystemServer();
		}
		}

		/**
		* Used to check if the context user is an admin user. An admin user is allowed to
		* modify or configure certain settings that aren't available to non-admin users,

services/core/java/com/android/server/pm/UserManagerInternal.java

+8 −0

Original line number	Diff line number	Diff line
		@@ -441,4 +441,12 @@ public abstract class UserManagerInternal {
		/** Return the integer types of the given user IDs. Only used for reporting metrics to statsd.
		*/
		public abstract int[] getUserTypesForStatsd(@UserIdInt int[] userIds);

		/**
		* Returns the user id of the main user, or {@link android.os.UserHandle#USER_NULL} if there is
		* no main user.
		*
		* @see UserManager#isMainUser()
		*/
		public abstract @UserIdInt int getMainUserId();
		}

services/core/java/com/android/server/pm/UserManagerService.java

+25 −0

Original line number	Diff line number	Diff line
		@@ -901,6 +901,25 @@ public class UserManagerService extends IUserManager.Stub {
		return null;
		}

		@Override
		public @UserIdInt int getMainUserId() {
		checkQueryOrCreateUsersPermission("get main user id");
		return getMainUserIdUnchecked();
		}

		private @UserIdInt int getMainUserIdUnchecked() {
		synchronized (mUsersLock) {
		final int userSize = mUsers.size();
		for (int i = 0; i < userSize; i++) {
		final UserInfo user = mUsers.valueAt(i).info;
		if (user.isMain() && !mRemovingUserIds.get(user.id)) {
		return user.id;
		}
		}
		}
		return UserHandle.USER_NULL;
		}

		public @NonNull List<UserInfo> getUsers(boolean excludeDying) {
		return getUsers(/excludePartial= / true, excludeDying, /* excludePreCreated= */
		true);
		@@ -6898,6 +6917,12 @@ public class UserManagerService extends IUserManager.Stub {
		}
		return userTypes;
		}

		@Override
		public @UserIdInt int getMainUserId() {
		return getMainUserIdUnchecked();
		}

		} // class LocalService