Query users excluding any being removed

Keep track of user creation and last logged-in time.
adb shell dumpsys users
User switcher shouldn't show users about to be removed.
No need to check for singleton for activities.

Bug: 7194894
Change-Id: Ic9a59ea5bd544920479e191d1a1e8a77f8b6ddcf

3 files changed, 26 insertions, 4 deletions

diff --git a/core/java/android/content/pm/UserInfo.java b/core/java/android/content/pm/UserInfo.java
index a06aba9..ab32523 100644
--- a/core/java/android/content/pm/UserInfo.java
+++ b/core/java/android/content/pm/UserInfo.java
@@ -68,6 +68,8 @@ public class UserInfo implements Parcelable {
     public String name;
     public String iconPath;
     public int flags;
+    public long creationTime;
+    public long lastLoggedInTime;
 
     public UserInfo(int id, String name, int flags) {
         this(id, name, null, flags);
@@ -101,6 +103,8 @@ public class UserInfo implements Parcelable {
         id = orig.id;
         flags = orig.flags;
         serialNumber = orig.serialNumber;
+        creationTime = orig.creationTime;
+        lastLoggedInTime = orig.lastLoggedInTime;
     }
 
     public UserHandle getUserHandle() {
@@ -122,6 +126,8 @@ public class UserInfo implements Parcelable {
         dest.writeString(iconPath);
         dest.writeInt(flags);
         dest.writeInt(serialNumber);
+        dest.writeLong(creationTime);
+        dest.writeLong(lastLoggedInTime);
     }
 
     public static final Parcelable.Creator<UserInfo> CREATOR
@@ -140,5 +146,7 @@ public class UserInfo implements Parcelable {
         iconPath = source.readString();
         flags = source.readInt();
         serialNumber = source.readInt();
+        creationTime = source.readLong();
+        lastLoggedInTime = source.readLong();
     }
 }
diff --git a/core/java/android/os/IUserManager.aidl b/core/java/android/os/IUserManager.aidl
index 0798913..ec02ae0 100644
--- a/core/java/android/os/IUserManager.aidl
+++ b/core/java/android/os/IUserManager.aidl
@@ -30,7 +30,7 @@ interface IUserManager {
     void setUserName(int userHandle, String name);
     void setUserIcon(int userHandle, in Bitmap icon);
     Bitmap getUserIcon(int userHandle);
-    List<UserInfo> getUsers();
+    List<UserInfo> getUsers(boolean excludeDying);
     UserInfo getUserInfo(int userHandle);
     void setGuestEnabled(boolean enable);
     boolean isGuestEnabled();
diff --git a/core/java/android/os/UserManager.java b/core/java/android/os/UserManager.java
index b532966..2a5c1aa 100644
--- a/core/java/android/os/UserManager.java
+++ b/core/java/android/os/UserManager.java
@@ -116,7 +116,23 @@ public class UserManager {
      */
     public List<UserInfo> getUsers() {
         try {
-            return mService.getUsers();
+            return mService.getUsers(false);
+        } catch (RemoteException re) {
+            Log.w(TAG, "Could not get user list", re);
+            return null;
+        }
+    }
+
+    /**
+     * Returns information for all users on this device.
+     * Requires {@link android.Manifest.permission#MANAGE_USERS} permission.
+     * @param excludeDying specify if the list should exclude users being removed.
+     * @return the list of users that were created.
+     * @hide
+     */
+    public List<UserInfo> getUsers(boolean excludeDying) {
+        try {
+            return mService.getUsers(excludeDying);
         } catch (RemoteException re) {
             Log.w(TAG, "Could not get user list", re);
             return null;
@@ -271,6 +287,4 @@ public class UserManager {
         }
         return -1;
     }
-
-
 }