VoNR toggle

Allow user to enable or disable voice over NR.

Bug: 190668235
Test: verified using settings UI
Change-Id: I655dc93c0b213e1b85b29b9a168f99072ca82186

2 files changed, 105 insertions, 0 deletions

diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 6a86e59da263..68ef7543c33f 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -5161,6 +5161,16 @@ public class CarrierConfigManager {
             "display_no_data_notification_on_permanent_failure_bool";
 
     /**
+     * Boolean indicating if the VoNR setting is visible in the Call Settings menu.
+     * If true, the VoNR setting menu will be visible. If false, the menu will be gone.
+     *
+     * Disabled by default.
+     *
+     * @hide
+     */
+    public static final String KEY_VONR_SETTING_VISIBILITY_BOOL = "vonr_setting_visibility_bool";
+
+    /**
      * Determine whether unthrottle data retry when tracking area code (TAC/LAC) from cell changes
      *
      * @hide
@@ -5774,6 +5784,7 @@ public class CarrierConfigManager {
         sDefaults.putString(KEY_CARRIER_PROVISIONING_APP_STRING, "");
         sDefaults.putBoolean(KEY_DISPLAY_NO_DATA_NOTIFICATION_ON_PERMANENT_FAILURE_BOOL, false);
         sDefaults.putBoolean(KEY_UNTHROTTLE_DATA_RETRY_WHEN_TAC_CHANGES_BOOL, false);
+        sDefaults.putBoolean(KEY_VONR_SETTING_VISIBILITY_BOOL, false);
     }
 
     /**
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 8f3172a14074..abab426b3252 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -12144,6 +12144,100 @@ public class TelephonyManager {
     }
 
     /**
+     * No error. Operation succeeded.
+     * @hide
+     */
+    public static final int ENABLE_VONR_SUCCESS = 0;
+
+    /**
+     * Radio is not available.
+     * @hide
+     */
+    public static final int ENABLE_VONR_RADIO_NOT_AVAILABLE = 2;
+
+    /**
+     * Internal Radio error.
+     * @hide
+     */
+    public static final int ENABLE_VONR_RADIO_ERROR = 3;
+
+    /**
+     * Voice over NR enable/disable request is received when system is in invalid state.
+     * @hide
+     */
+    public static final int ENABLE_VONR_RADIO_INVALID_STATE = 4;
+
+    /**
+     * Voice over NR enable/disable request is not supported.
+     * @hide
+     */
+    public static final int ENABLE_VONR_REQUEST_NOT_SUPPORTED = 5;
+
+    /** @hide */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef(prefix = {"EnableVoNrResult"}, value = {
+            ENABLE_VONR_SUCCESS,
+            ENABLE_VONR_RADIO_NOT_AVAILABLE,
+            ENABLE_VONR_RADIO_ERROR,
+            ENABLE_VONR_RADIO_INVALID_STATE,
+            ENABLE_VONR_REQUEST_NOT_SUPPORTED})
+    public @interface EnableVoNrResult {}
+
+    /**
+     * Enable or disable Voice over NR (VoNR)
+     *
+     * <p>If this object has been created with {@link #createForSubscriptionId}, applies to the
+     * given subId. Otherwise, applies to {@link SubscriptionManager#getDefaultDataSubscriptionId()}
+     *
+     * <p>Requires Permission:
+     * {@link android.Manifest.permission#MODIFY_PHONE_STATE MODIFY_PHONE_STATE}.
+     *
+     * @param enabled  enable or disable VoNR.
+     * @throws IllegalStateException if the Telephony process is not currently available.
+     * @hide
+     */
+    @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE)
+    public @EnableVoNrResult int setVoNrEnabled(boolean enabled) {
+        try {
+            ITelephony service = getITelephony();
+            if (service != null) {
+                return service.setVoNrEnabled(
+                        getSubId(SubscriptionManager.getDefaultDataSubscriptionId()), enabled);
+            } else {
+                throw new IllegalStateException("telephony service is null.");
+            }
+        } catch (RemoteException e) {
+            Log.e(TAG, "Error calling ITelephony#setVoNrEnabled", e);
+        }
+
+        return ENABLE_VONR_RADIO_INVALID_STATE;
+    }
+
+    /**
+     * Is Voice over NR (VoNR) enabled.
+     * @return true if Voice over NR (VoNR) is enabled else false. Enabled state does not mean
+     *  voice call over NR is active or voice ove NR is available. It means the device is allowed to
+     *  register IMS over NR.
+     * @throws IllegalStateException if the Telephony process is not currently available.
+     * @hide
+     */
+    @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
+    public boolean isVoNrEnabled() {
+        try {
+            ITelephony telephony = getITelephony();
+            if (telephony != null) {
+                return telephony.isVoNrEnabled(getSubId());
+            } else {
+                throw new IllegalStateException("telephony service is null.");
+            }
+        } catch (RemoteException ex) {
+            Rlog.e(TAG, "isVoNrEnabled RemoteException", ex);
+            ex.rethrowFromSystemServer();
+        }
+        return false;
+    }
+
+    /**
      * Carrier action to start or stop reporting default network available events.
      *
      * <p>If this object has been created with {@link #createForSubscriptionId}, applies to the