Let settings query an app's minimum bucket.

Bug: 156509848
Test: manual
Change-Id: Ife3869524f93b3341fa6eb1379619142ede5ca73

2 files changed, 18 insertions, 0 deletions

diff --git a/core/java/android/app/usage/IUsageStatsManager.aidl b/core/java/android/app/usage/IUsageStatsManager.aidl
index a43071418b2f..2a2a9c6e703e 100644
--- a/core/java/android/app/usage/IUsageStatsManager.aidl
+++ b/core/java/android/app/usage/IUsageStatsManager.aidl
@@ -53,6 +53,7 @@ interface IUsageStatsManager {
     void setAppStandbyBucket(String packageName, int bucket, int userId);
     ParceledListSlice getAppStandbyBuckets(String callingPackage, int userId);
     void setAppStandbyBuckets(in ParceledListSlice appBuckets, int userId);
+    int getAppMinStandbyBucket(String packageName, String callingPackage, int userId);
     void setEstimatedLaunchTime(String packageName, long estimatedLaunchTime, int userId);
     void setEstimatedLaunchTimes(in ParceledListSlice appLaunchTimes, int userId);
     void registerAppUsageObserver(int observerId, in String[] packages, long timeLimitMs,
diff --git a/core/java/android/app/usage/UsageStatsManager.java b/core/java/android/app/usage/UsageStatsManager.java
index d7152b3676df..3a335f9d151b 100644
--- a/core/java/android/app/usage/UsageStatsManager.java
+++ b/core/java/android/app/usage/UsageStatsManager.java
@@ -787,6 +787,23 @@ public final class UsageStatsManager {
     }
 
     /**
+     * Return the lowest bucket this app can ever enter.
+     *
+     * @param packageName the package for which to fetch the minimum allowed standby bucket.
+     * {@hide}
+     */
+    @StandbyBuckets
+    @RequiresPermission(android.Manifest.permission.PACKAGE_USAGE_STATS)
+    public int getAppMinStandbyBucket(String packageName) {
+        try {
+            return mService.getAppMinStandbyBucket(packageName, mContext.getOpPackageName(),
+                    mContext.getUserId());
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
      * Changes an app's estimated launch time. An app is considered "launched" when a user opens
      * one of its {@link android.app.Activity Activities}. The provided time is persisted across
      * reboots and is used unless 1) the time is more than a week in the future and the platform