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Diffstat (limited to 'en/devices/tech/admin/multiuser-apps.html')
| -rw-r--r-- | en/devices/tech/admin/multiuser-apps.html | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/en/devices/tech/admin/multiuser-apps.html b/en/devices/tech/admin/multiuser-apps.html index 546659d7..c3efcd64 100644 --- a/en/devices/tech/admin/multiuser-apps.html +++ b/en/devices/tech/admin/multiuser-apps.html @@ -38,7 +38,7 @@ requests from any user. Only system apps can currently use this feature.</p> <p>See the diagram below for a depiction of permissions flow with multiple users.</p> -<p><img src="images/multi-user-perms.png" alt="Multiple users permissions flow" /> +<p><img src="/devices/tech/admin/images/multi-user-perms.png" alt="Multiple users permissions flow" /> <p class="img-caption"><strong>Figure 1.</strong> Multiple users permissions</p> <h2 id=enabling_a_singleton_component>Enabling a singleton component</h2> @@ -59,7 +59,7 @@ each user, with the UID being in the UID range for that user (such as 1010034).< <p>These permissions are required</p> -<pre> +<pre class="devsite-click-to-copy"> INTERACT_ACROSS_USERS (signature|system) INTERACT_ACROSS_USERS_FULL (signature) </pre> @@ -74,7 +74,7 @@ INTERACT_ACROSS_USERS_FULL (signature) <li> <code>int userHandle = UserHandle.getCallingUserId()</code> </ul> <li> Use new, protected APIs to start services, activities, broadcasts on a specific -user: +user: <ul> <li><code>Context.startActivityAsUser(Intent, UserHandle)</code> <li><code>Context.bindServiceAsUser(Intent, …, UserHandle)</code> @@ -102,5 +102,28 @@ ContentObserver, PackageMonitor, BroadcastReceiver that provide additional information about which user has caused the callback. </ol> +<h3 id="work-profiles">Services in multiple users or profiles</h3> + +<p>Not all services need to run an instance in another user or work profile. If your system service +only needs to run as user 0, disable the service's components when running under other users to +help preserve resources. The following example shows how you might do this at your service's entry +points:</p> + +<pre class="devsite-click-to-copy"> +// Add on all entry points such as boot_completed or other manifest-listed receivers and providers +if (!UserManager.isSystemUser()) { + // Disable the service + ComponentName targetServiceName = new ComponentName(this, TargetService.class); + context.getPackageManager().setComponentEnabledSetting( + targetServiceName, COMPONENT_ENABLED_STATE_DISABLED, 0); +} +</pre> + +<p>The example could also use <code>PackageManager.setApplicationEnabledSetting()</code> to disable +the entire app.</p> + + + + </body> </html> |