A get method for NR status in ServiceState

Bug: 111453000
Test: build
Change-Id: I07749ff00fc9d53796208ca78721b498ed4c16fd

telephony/java/android/telephony/ServiceState.java

@@ -27,6 +27,7 @@ import android.os.Parcel;
 import android.os.Parcelable;
 import android.telephony.AccessNetworkConstants.AccessNetworkType;
 import android.telephony.NetworkRegistrationState.Domain;
+import android.telephony.NetworkRegistrationState.NRStatus;
 import android.text.TextUtils;
 
 import java.lang.annotation.Retention;
@@ -1357,6 +1358,18 @@ public class ServiceState implements Parcelable {
         return mNrFrequencyRange;
     }
 
+    /**
+     * Get the NR 5G status of the mobile data network.
+     * @return the NR 5G status.
+     * @hide
+     */
+    public @NRStatus int getNrStatus() {
+        final NetworkRegistrationState regState = getNetworkRegistrationState(
+                NetworkRegistrationState.DOMAIN_PS, AccessNetworkConstants.TransportType.WWAN);
+        if (regState == null) return NetworkRegistrationState.NR_STATUS_NONE;
+        return regState.getNrStatus();
+    }
+
     /**
      * @param nrFrequencyRange the frequency range of 5G NR.
      * @hide
@@ -1531,7 +1544,6 @@ public class ServiceState implements Parcelable {
         }
     }
 
-
     /** @hide */
     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P)
     public @TelephonyManager.NetworkType int getDataNetworkType() {