Merge "Add APIs to get/set if usage of multiple SIMs is restricted."

3 files changed, 62 insertions, 0 deletions

diff --git a/api/system-current.txt b/api/system-current.txt
index be447e7cac08..c47a41a5ef56 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -7895,6 +7895,7 @@ package android.telephony {
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public boolean isCurrentPotentialEmergencyNumber(@NonNull String);
     method public boolean isDataConnectivityPossible();
     method @Deprecated @RequiresPermission(anyOf={android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE, android.Manifest.permission.READ_PHONE_STATE}) public boolean isIdle();
+    method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public boolean isMultisimCarrierRestricted();
     method @Deprecated @RequiresPermission(anyOf={android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE, android.Manifest.permission.READ_PHONE_STATE}) public boolean isOffhook();
     method @Deprecated @RequiresPermission(anyOf={android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE, android.Manifest.permission.READ_PHONE_STATE}) public boolean isRadioOn();
     method @Deprecated @RequiresPermission(anyOf={android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE, android.Manifest.permission.READ_PHONE_STATE}) public boolean isRinging();
@@ -7911,6 +7912,7 @@ package android.telephony {
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setDataActivationState(int);
     method @Deprecated @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setDataEnabled(int, boolean);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setDataRoamingEnabled(boolean);
+    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setMultisimCarrierRestriction(boolean);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public boolean setPreferredNetworkTypeBitmap(int);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public boolean setRadio(boolean);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public boolean setRadioPower(boolean);
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index ecfc40140147..36450579c57b 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -10166,4 +10166,52 @@ public class TelephonyManager {
      */
     public static final String EXTRA_NETWORK_COUNTRY =
             "android.telephony.extra.NETWORK_COUNTRY";
+
+    /**
+     * Indicate if the user is allowed to use multiple SIM cards at the same time to register
+     * on the network (e.g. Dual Standby or Dual Active) when the device supports it, or if the
+     * usage is restricted. This API is used to prevent usage of multiple SIM card, based on
+     * policies of the carrier.
+     * <p>Note: the API does not prevent access to the SIM cards for operations that don't require
+     * access to the network.
+     *
+     * @param isMultisimCarrierRestricted true if usage of multiple SIMs is restricted, false
+     * otherwise.
+     *
+     * @hide
+     */
+    @SystemApi
+    @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE)
+    public void setMultisimCarrierRestriction(boolean isMultisimCarrierRestricted) {
+        try {
+            ITelephony service = getITelephony();
+            if (service != null) {
+                service.setMultisimCarrierRestriction(isMultisimCarrierRestricted);
+            }
+        } catch (RemoteException e) {
+            Log.e(TAG, "setMultisimCarrierRestriction RemoteException", e);
+        }
+    }
+
+    /**
+     * Returns if the usage of multiple SIM cards at the same time to register on the network
+     * (e.g. Dual Standby or Dual Active) is restricted.
+     *
+     * @return true if usage of multiple SIMs is restricted, false otherwise.
+     *
+     * @hide
+     */
+    @SystemApi
+    @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
+    public boolean isMultisimCarrierRestricted() {
+        try {
+            ITelephony service = getITelephony();
+            if (service != null) {
+                return service.isMultisimCarrierRestricted();
+            }
+        } catch (RemoteException e) {
+            Log.e(TAG, "isMultisimCarrierRestricted RemoteException", e);
+        }
+        return true;
+    }
 }
diff --git a/telephony/java/com/android/internal/telephony/ITelephony.aidl b/telephony/java/com/android/internal/telephony/ITelephony.aidl
index a23e8035bc63..c8fadae442a5 100644
--- a/telephony/java/com/android/internal/telephony/ITelephony.aidl
+++ b/telephony/java/com/android/internal/telephony/ITelephony.aidl
@@ -1825,4 +1825,16 @@ interface ITelephony {
      * Enable or disable a logical modem stack associated with the slotIndex.
      */
     boolean enableModemForSlot(int slotIndex, boolean enable);
+
+    /**
+     * Indicate if the enablement of multi SIM functionality is restricted.
+     * @hide
+     */
+    void setMultisimCarrierRestriction(boolean isMultisimCarrierRestricted);
+
+    /**
+     * Returns if the usage of multiple SIM cards at the same time is restricted.
+     * @hide
+     */
+    boolean isMultisimCarrierRestricted();
 }