docs: Added desc. of launcher app criteria in Q
As of Android Q, an app is included in the return value of
LauncherApps#getActivityList() unless it fulfills specific criteria.
This CL describes the conditions necessary for an app's activities
to *not* appear in the list.
Test: make ds-docs -j32
Bug: 130352392
Change-Id: Iad888a7a7f47d090da1b143ac152705577144d20
diff --git a/core/java/android/content/pm/LauncherApps.java b/core/java/android/content/pm/LauncherApps.java
index 037a149..d58eb0d 100644
--- a/core/java/android/content/pm/LauncherApps.java
+++ b/core/java/android/content/pm/LauncherApps.java
@@ -507,6 +507,18 @@
* {@link Intent#CATEGORY_LAUNCHER}, for a specified user. Result may include
* synthesized activities like app details Activity injected by system.
*
+ * <p>As of <a href="/reference/android/os/Build.VERSION_CODES.html#Q">Android Q</a>, the
+ * launchable activities for a given app are included in the returned list unless the app
+ * satisfies at least one of the following conditions:</p>
+ * <ul>
+ * <li>The app is a system app.</li>
+ * <li>The app doesn't declare any <a href="/guide/topics/permissions/overview">permissions</a>.
+ * </li>
+ * <li>The <code><application></code> tag in the app's manifest file doesn't contain any
+ * child elements that represent
+ * <a href="/guide/components/fundamentals#DeclaringComponents">app components</a>.</li>
+ * </ul>
+ *
* @param packageName The specific package to query. If null, it checks all installed packages
* in the profile.
* @param user The UserHandle of the profile.