Merge "Support API to toggle IMS on and off."

api/system-current.txt

@@ -9522,6 +9522,7 @@ package android.telephony {
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void requestNumberVerification(@NonNull android.telephony.PhoneNumberRange, long, @NonNull java.util.concurrent.Executor, @NonNull android.telephony.NumberVerificationCallback);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void resetAllCarrierActions();
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void resetCarrierKeysForImsiEncryption();
+    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) @WorkerThread public void resetIms(int);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public boolean resetRadioConfig();
     method @RequiresPermission(android.Manifest.permission.CONNECTIVITY_INTERNAL) public void resetSettings();
     method @Deprecated @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public int setAllowedCarriers(int, java.util.List<android.service.carrier.CarrierIdentifier>);

telephony/java/android/telephony/TelephonyManager.java

@@ -6878,6 +6878,30 @@ public class TelephonyManager {
         }
     }
 
+
+    /**
+     * Resets the {@link android.telephony.ims.ImsService} associated with the specified sim slot.
+     * Used by diagnostic apps to force the IMS stack to be disabled and re-enabled in an effort to
+     * recover from scenarios where the {@link android.telephony.ims.ImsService} gets in to a bad
+     * state.
+     *
+     * @param slotIndex the sim slot to reset the IMS stack on.
+     * @hide */
+    @SystemApi
+    @WorkerThread
+    @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE)
+    public void resetIms(int slotIndex) {
+        try {
+            ITelephony telephony = getITelephony();
+            if (telephony != null) {
+                telephony.resetIms(slotIndex);
+            }
+        } catch (RemoteException e) {
+            Rlog.e(TAG, "toggleImsOnOff, RemoteException: "
+                    + e.getMessage());
+        }
+    }
+
     /**
      * Enables IMS for the framework. This will trigger IMS registration and ImsFeature capability
      * status updates, if not already enabled.

telephony/java/com/android/internal/telephony/ITelephony.aidl

@@ -827,6 +827,11 @@ interface ITelephony {
     */
     void disableIms(int slotId);
 
+    /**
+    * Toggle framework IMS disables and enables.
+    */
+    void resetIms(int slotIndex);
+
     /**
      *  Get IImsMmTelFeature binder from ImsResolver that corresponds to the subId and MMTel feature
      *  as well as registering the MmTelFeature for callbacks using the IImsServiceFeatureCallback