3 files changed, 3 insertions, 60 deletions

diff --git a/core/java/android/content/Intent.java b/core/java/android/content/Intent.java
index d0298cd..6f543a8 100644
--- a/core/java/android/content/Intent.java
+++ b/core/java/android/content/Intent.java
@@ -2589,21 +2589,6 @@ public class Intent implements Parcelable, Cloneable {
             "android.intent.action.GET_RESTRICTION_ENTRIES";
 
     /**
-     * @hide
-     * Activity to challenge the user for a PIN that was configured when setting up
-     * restrictions. Restrictions include blocking of apps and preventing certain user operations,
-     * controlled by {@link android.os.UserManager#setUserRestrictions(Bundle).
-     * Launch the activity using
-     * {@link android.app.Activity#startActivityForResult(Intent, int)} and check if the
-     * result is {@link android.app.Activity#RESULT_OK} for a successful response to the
-     * challenge.<p/>
-     * Before launching this activity, make sure that there is a PIN in effect, by calling
-     * {@link android.os.UserManager#hasRestrictionsChallenge()}.
-     */
-    public static final String ACTION_RESTRICTIONS_CHALLENGE =
-            "android.intent.action.RESTRICTIONS_CHALLENGE";
-
-    /**
      * Sent the first time a user is starting, to allow system apps to
      * perform one time initialization.  (This will not be seen by third
      * party applications because a newly initialized user does not have any
diff --git a/core/java/android/os/IUserManager.aidl b/core/java/android/os/IUserManager.aidl
index c2fd3c3..811418b 100644
--- a/core/java/android/os/IUserManager.aidl
+++ b/core/java/android/os/IUserManager.aidl
@@ -49,9 +49,6 @@ interface IUserManager {
             int userHandle);
     Bundle getApplicationRestrictions(in String packageName);
     Bundle getApplicationRestrictionsForUser(in String packageName, int userHandle);
-    boolean setRestrictionsChallenge(in String newPin);
-    int checkRestrictionsChallenge(in String pin);
-    boolean hasRestrictionsChallenge();
     void removeRestrictions();
     void setDefaultGuestRestrictions(in Bundle restrictions);
     Bundle getDefaultGuestRestrictions();
diff --git a/core/java/android/os/UserManager.java b/core/java/android/os/UserManager.java
index 44eb1ed..c7ac7ce 100644
--- a/core/java/android/os/UserManager.java
+++ b/core/java/android/os/UserManager.java
@@ -744,7 +744,7 @@ public class UserManager {
      * @see #getSerialNumberForUser(UserHandle)
      */
     public UserHandle getUserForSerialNumber(long serialNumber) {
-        int ident = getUserHandle((int)serialNumber);
+        int ident = getUserHandle((int) serialNumber);
         return ident >= 0 ? new UserHandle(ident) : null;
     }
 
@@ -1252,49 +1252,10 @@ public class UserManager {
      * apps and requires the MANAGE_USERS permission.
      * @param newPin the PIN to use for challenge dialogs.
      * @return Returns true if the challenge PIN was set successfully.
+     * @deprecated The restrictions PIN functionality is no longer provided by the system.
+     * This method is preserved for backwards compatibility reasons and always returns false.
      */
     public boolean setRestrictionsChallenge(String newPin) {
-        try {
-            return mService.setRestrictionsChallenge(newPin);
-        } catch (RemoteException re) {
-            Log.w(TAG, "Could not change restrictions pin");
-        }
-        return false;
-    }
-
-    /**
-     * @hide
-     * @param pin The PIN to verify, or null to get the number of milliseconds to wait for before
-     * allowing the user to enter the PIN.
-     * @return Returns a positive number (including zero) for how many milliseconds before
-     * you can accept another PIN, when the input is null or the input doesn't match the saved PIN.
-     * Returns {@link #PIN_VERIFICATION_SUCCESS} if the input matches the saved PIN. Returns
-     * {@link #PIN_VERIFICATION_FAILED_NOT_SET} if there is no PIN set.
-     */
-    public int checkRestrictionsChallenge(String pin) {
-        try {
-            return mService.checkRestrictionsChallenge(pin);
-        } catch (RemoteException re) {
-            Log.w(TAG, "Could not check restrictions pin");
-        }
-        return PIN_VERIFICATION_FAILED_INCORRECT;
-    }
-
-    /**
-     * @hide
-     * Checks whether the user has restrictions that are PIN-protected. An application that
-     * participates in restrictions can check if the owner has requested a PIN challenge for
-     * any restricted operations. If there is a PIN in effect, the application should launch
-     * the PIN challenge activity {@link android.content.Intent#ACTION_RESTRICTIONS_CHALLENGE}.
-     * @see android.content.Intent#ACTION_RESTRICTIONS_CHALLENGE
-     * @return whether a restrictions PIN is in effect.
-     */
-    public boolean hasRestrictionsChallenge() {
-        try {
-            return mService.hasRestrictionsChallenge();
-        } catch (RemoteException re) {
-            Log.w(TAG, "Could not change restrictions pin");
-        }
         return false;
     }