Merge changes from topics "multi-plmn", "nr_band"

* changes:
  Added NR band support
  Multi-Plmn and CSG Support For CellInfo

api/current.txt

@@ -44962,6 +44962,7 @@ package android.telephony {
   }
 
   public final class CellIdentityGsm extends android.telephony.CellIdentity {
+    method @NonNull public java.util.List<java.lang.String> getAdditionalPlmns();
     method public int getArfcn();
     method public int getBsic();
     method public int getCid();
@@ -44977,8 +44978,10 @@ package android.telephony {
   }
 
   public final class CellIdentityLte extends android.telephony.CellIdentity {
+    method @NonNull public java.util.List<java.lang.String> getAdditionalPlmns();
     method public int getBandwidth();
     method public int getCi();
+    method @Nullable public android.telephony.ClosedSubscriberGroupInfo getClosedSubscriberGroupInfo();
     method public int getEarfcn();
     method @Deprecated public int getMcc();
     method @Nullable public String getMccString();
@@ -44992,6 +44995,8 @@ package android.telephony {
   }
 
   public final class CellIdentityNr extends android.telephony.CellIdentity {
+    method @NonNull public java.util.List<java.lang.String> getAdditionalPlmns();
+    method public int getBand();
     method @Nullable public String getMccString();
     method @Nullable public String getMncString();
     method public long getNci();
@@ -45003,7 +45008,9 @@ package android.telephony {
   }
 
   public final class CellIdentityTdscdma extends android.telephony.CellIdentity {
+    method @NonNull public java.util.List<java.lang.String> getAdditionalPlmns();
     method public int getCid();
+    method @Nullable public android.telephony.ClosedSubscriberGroupInfo getClosedSubscriberGroupInfo();
     method public int getCpid();
     method public int getLac();
     method @Nullable public String getMccString();
@@ -45015,7 +45022,9 @@ package android.telephony {
   }
 
   public final class CellIdentityWcdma extends android.telephony.CellIdentity {
+    method @NonNull public java.util.List<java.lang.String> getAdditionalPlmns();
     method public int getCid();
+    method @Nullable public android.telephony.ClosedSubscriberGroupInfo getClosedSubscriberGroupInfo();
     method public int getLac();
     method @Deprecated public int getMcc();
     method @Nullable public String getMccString();
@@ -45185,6 +45194,15 @@ package android.telephony {
     field @NonNull public static final android.os.Parcelable.Creator<android.telephony.CellSignalStrengthWcdma> CREATOR;
   }
 
+  public final class ClosedSubscriberGroupInfo implements android.os.Parcelable {
+    method public int describeContents();
+    method @IntRange(from=0, to=134217727) public int getCsgIdentity();
+    method public boolean getCsgIndicator();
+    method @NonNull public String getHomeNodebName();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.telephony.ClosedSubscriberGroupInfo> CREATOR;
+  }
+
   public class IccOpenLogicalChannelResponse implements android.os.Parcelable {
     method public int describeContents();
     method public int getChannel();

api/system-current.txt

@@ -8391,6 +8391,13 @@ package android.telephony {
     field public static final int TRANSPORT_TYPE_INVALID = -1; // 0xffffffff
   }
 
+  public static final class AccessNetworkConstants.NgranBands {
+    method public static int getFrequencyRangeGroup(int);
+    field public static final int FREQUENCY_RANGE_GROUP_1 = 1; // 0x1
+    field public static final int FREQUENCY_RANGE_GROUP_2 = 2; // 0x2
+    field public static final int FREQUENCY_RANGE_GROUP_UNKNOWN = 0; // 0x0
+  }
+
   public final class CallAttributes implements android.os.Parcelable {
     ctor public CallAttributes(@NonNull android.telephony.PreciseCallState, int, @NonNull android.telephony.CallQuality);
     method public int describeContents();

api/test-current.txt

@@ -3036,6 +3036,13 @@ package android.telephony {
     field public static final int TRANSPORT_TYPE_INVALID = -1; // 0xffffffff
   }
 
+  public static final class AccessNetworkConstants.NgranBands {
+    method public static int getFrequencyRangeGroup(int);
+    field public static final int FREQUENCY_RANGE_GROUP_1 = 1; // 0x1
+    field public static final int FREQUENCY_RANGE_GROUP_2 = 2; // 0x2
+    field public static final int FREQUENCY_RANGE_GROUP_UNKNOWN = 0; // 0x0
+  }
+
   public final class CallQuality implements android.os.Parcelable {
     ctor public CallQuality(int, int, int, int, int, int, int, int, int, int, int);
     method public int describeContents();

telephony/java/android/telephony/AccessNetworkConstants.java

@@ -317,6 +317,159 @@ public final class AccessNetworkConstants {
         public static final int BAND_260 = 260;
         public static final int BAND_261 = 261;
 
+        /**
+         * NR Bands
+         *
+         * @hide */
+        @Retention(RetentionPolicy.SOURCE)
+        @IntDef(prefix = {"BAND_"},
+                value = {BAND_1,
+                        BAND_2,
+                        BAND_3,
+                        BAND_5,
+                        BAND_7,
+                        BAND_8,
+                        BAND_12,
+                        BAND_14,
+                        BAND_18,
+                        BAND_20,
+                        BAND_25,
+                        BAND_28,
+                        BAND_29,
+                        BAND_30,
+                        BAND_34,
+                        BAND_38,
+                        BAND_39,
+                        BAND_40,
+                        BAND_41,
+                        BAND_48,
+                        BAND_50,
+                        BAND_51,
+                        BAND_65,
+                        BAND_66,
+                        BAND_70,
+                        BAND_71,
+                        BAND_74,
+                        BAND_75,
+                        BAND_76,
+                        BAND_77,
+                        BAND_78,
+                        BAND_79,
+                        BAND_80,
+                        BAND_81,
+                        BAND_82,
+                        BAND_83,
+                        BAND_84,
+                        BAND_86,
+                        BAND_90,
+                        BAND_257,
+                        BAND_258,
+                        BAND_260,
+                        BAND_261})
+        public @interface NgranBand {}
+
+        /**
+         * Unknown NR frequency.
+         *
+         * @hide
+         */
+        @SystemApi
+        @TestApi
+        public static final int FREQUENCY_RANGE_GROUP_UNKNOWN = 0;
+
+        /**
+         * NR frequency group 1 defined in 3GPP TS 38.101-1 table 5.2-1
+         *
+         * @hide
+         */
+        @SystemApi
+        @TestApi
+        public static final int FREQUENCY_RANGE_GROUP_1 = 1;
+
+        /**
+         * NR frequency group 2 defined in 3GPP TS 38.101-2 table 5.2-1
+         *
+         * @hide
+         */
+        @SystemApi
+        @TestApi
+        public static final int FREQUENCY_RANGE_GROUP_2 = 2;
+
+        /**
+         * Radio frequency range group
+         *
+         * @hide
+         */
+        @Retention(RetentionPolicy.SOURCE)
+        @IntDef(prefix = {"FREQUENCY_RANGE_GROUP_"},
+                value = {
+                        FREQUENCY_RANGE_GROUP_UNKNOWN,
+                        FREQUENCY_RANGE_GROUP_1,
+                        FREQUENCY_RANGE_GROUP_2})
+        public @interface FrequencyRangeGroup {}
+
+        /**
+         * Get frequency range group
+         *
+         * @param band NR band
+         * @return The frequency range group
+         *
+         * @hide
+         */
+        @SystemApi
+        @TestApi
+        public static @FrequencyRangeGroup int getFrequencyRangeGroup(@NgranBand int band) {
+            switch (band) {
+                case BAND_1:
+                case BAND_2:
+                case BAND_3:
+                case BAND_5:
+                case BAND_7:
+                case BAND_8:
+                case BAND_12:
+                case BAND_14:
+                case BAND_18:
+                case BAND_20:
+                case BAND_25:
+                case BAND_28:
+                case BAND_29:
+                case BAND_30:
+                case BAND_34:
+                case BAND_38:
+                case BAND_39:
+                case BAND_40:
+                case BAND_41:
+                case BAND_48:
+                case BAND_50:
+                case BAND_51:
+                case BAND_65:
+                case BAND_66:
+                case BAND_70:
+                case BAND_71:
+                case BAND_74:
+                case BAND_75:
+                case BAND_76:
+                case BAND_77:
+                case BAND_78:
+                case BAND_79:
+                case BAND_80:
+                case BAND_81:
+                case BAND_82:
+                case BAND_83:
+                case BAND_84:
+                case BAND_86:
+                case BAND_90:
+                    return FREQUENCY_RANGE_GROUP_1;
+                case BAND_257:
+                case BAND_258:
+                case BAND_260:
+                case BAND_261:
+                    return FREQUENCY_RANGE_GROUP_2;
+                default:
+                    return FREQUENCY_RANGE_GROUP_UNKNOWN;
+            }
+        };
+
         /** @hide */
         private NgranBands() {}
     }

telephony/java/android/telephony/CellIdentityGsm.java

@@ -23,6 +23,8 @@ import android.os.Parcel;
 import android.telephony.gsm.GsmCellLocation;
 import android.text.TextUtils;
 
+import java.util.Collections;
+import java.util.List;
 import java.util.Objects;
 
 /**
@@ -46,6 +48,9 @@ public final class CellIdentityGsm extends CellIdentity {
     // 6-bit Base Station Identity Code
     private final int mBsic;
 
+    // a list of additional PLMN-IDs reported for this cell
+    private final List<String> mAdditionalPlmns;
+
     /**
      * @hide
      */
@@ -56,6 +61,7 @@ public final class CellIdentityGsm extends CellIdentity {
         mCid = CellInfo.UNAVAILABLE;
         mArfcn = CellInfo.UNAVAILABLE;
         mBsic = CellInfo.UNAVAILABLE;
+        mAdditionalPlmns = Collections.emptyList();
     }
 
     /**
@@ -68,35 +74,48 @@ public final class CellIdentityGsm extends CellIdentity {
      * @param mncStr 2 or 3-digit Mobile Network Code in string format
      * @param alphal long alpha Operator Name String or Enhanced Operator Name String
      * @param alphas short alpha Operator Name String or Enhanced Operator Name String
+     * @param additionalPlmns a list of additional PLMN IDs broadcast by the cell
      *
      * @hide
      */
     public CellIdentityGsm(int lac, int cid, int arfcn, int bsic, String mccStr,
-                            String mncStr, String alphal, String alphas) {
+                            String mncStr, String alphal, String alphas,
+                            List<String> additionalPlmns) {
         super(TAG, CellInfo.TYPE_GSM, mccStr, mncStr, alphal, alphas);
         mLac = inRangeOrUnavailable(lac, 0, MAX_LAC);
         mCid = inRangeOrUnavailable(cid, 0, MAX_CID);
         mArfcn = inRangeOrUnavailable(arfcn, 0, MAX_ARFCN);
         mBsic = inRangeOrUnavailable(bsic, 0, MAX_BSIC);
+        mAdditionalPlmns = additionalPlmns;
     }
 
     /** @hide */
     public CellIdentityGsm(android.hardware.radio.V1_0.CellIdentityGsm cid) {
         this(cid.lac, cid.cid, cid.arfcn,
                 cid.bsic == (byte) 0xFF ? CellInfo.UNAVAILABLE : cid.bsic,
-                cid.mcc, cid.mnc, "", "");
+                cid.mcc, cid.mnc, "", "", Collections.emptyList());
     }
 
     /** @hide */
     public CellIdentityGsm(android.hardware.radio.V1_2.CellIdentityGsm cid) {
         this(cid.base.lac, cid.base.cid, cid.base.arfcn,
                 cid.base.bsic == (byte) 0xFF ? CellInfo.UNAVAILABLE : cid.base.bsic, cid.base.mcc,
-                cid.base.mnc, cid.operatorNames.alphaLong, cid.operatorNames.alphaShort);
+                cid.base.mnc, cid.operatorNames.alphaLong, cid.operatorNames.alphaShort,
+                Collections.emptyList());
+    }
+
+    /** @hide */
+    public CellIdentityGsm(android.hardware.radio.V1_5.CellIdentityGsm cid) {
+        this(cid.base.base.lac, cid.base.base.cid, cid.base.base.arfcn,
+                cid.base.base.bsic == (byte) 0xFF ? CellInfo.UNAVAILABLE
+                        : cid.base.base.bsic, cid.base.base.mcc,
+                cid.base.base.mnc, cid.base.operatorNames.alphaLong,
+                cid.base.operatorNames.alphaShort, cid.additionalPlmns);
     }
 
     private CellIdentityGsm(CellIdentityGsm cid) {
         this(cid.mLac, cid.mCid, cid.mArfcn, cid.mBsic, cid.mMccStr,
-                cid.mMncStr, cid.mAlphaLong, cid.mAlphaShort);
+                cid.mMncStr, cid.mAlphaLong, cid.mAlphaShort, cid.mAdditionalPlmns);
     }
 
     CellIdentityGsm copy() {
@@ -107,7 +126,7 @@ public final class CellIdentityGsm extends CellIdentity {
     @Override
     public @NonNull CellIdentityGsm sanitizeLocationInfo() {
         return new CellIdentityGsm(CellInfo.UNAVAILABLE, CellInfo.UNAVAILABLE, CellInfo.UNAVAILABLE,
-                CellInfo.UNAVAILABLE, mMccStr, mMncStr, mAlphaLong, mAlphaShort);
+                CellInfo.UNAVAILABLE, mMccStr, mMncStr, mAlphaLong, mAlphaShort, mAdditionalPlmns);
     }
 
     /**
@@ -192,6 +211,14 @@ public final class CellIdentityGsm extends CellIdentity {
         return mArfcn;
     }
 
+    /**
+     * @return a list of additional PLMN IDs supported by this cell.
+     */
+    @NonNull
+    public List<String> getAdditionalPlmns() {
+        return mAdditionalPlmns;
+    }
+
     /**
      * @deprecated Primary Scrambling Code is not applicable to GSM.
      * @return {@link android.telephony.CellInfo#UNAVAILABLE UNAVAILABLE} - undefined for GSM
@@ -215,7 +242,7 @@ public final class CellIdentityGsm extends CellIdentity {
 
     @Override
     public int hashCode() {
-        return Objects.hash(mLac, mCid, super.hashCode());
+        return Objects.hash(mLac, mCid, mAdditionalPlmns.hashCode(), super.hashCode());
     }
 
     @Override
@@ -235,6 +262,7 @@ public final class CellIdentityGsm extends CellIdentity {
                 && mBsic == o.mBsic
                 && TextUtils.equals(mMccStr, o.mMccStr)
                 && TextUtils.equals(mMncStr, o.mMncStr)
+                && mAdditionalPlmns.equals(o.mAdditionalPlmns)
                 && super.equals(other);
     }
 
@@ -249,6 +277,7 @@ public final class CellIdentityGsm extends CellIdentity {
         .append(" mMnc=").append(mMncStr)
         .append(" mAlphaLong=").append(mAlphaLong)
         .append(" mAlphaShort=").append(mAlphaShort)
+        .append(" mAdditionalPlmns=").append(mAdditionalPlmns)
         .append("}").toString();
     }
 
@@ -261,6 +290,7 @@ public final class CellIdentityGsm extends CellIdentity {
         dest.writeInt(mCid);
         dest.writeInt(mArfcn);
         dest.writeInt(mBsic);
+        dest.writeList(mAdditionalPlmns);
     }
 
     /** Construct from Parcel, type has already been processed */
@@ -270,6 +300,7 @@ public final class CellIdentityGsm extends CellIdentity {
         mCid = in.readInt();
         mArfcn = in.readInt();
         mBsic = in.readInt();
+        mAdditionalPlmns = in.readArrayList(null);
 
         if (DBG) log(toString());
     }

telephony/java/android/telephony/CellIdentityLte.java

@@ -24,6 +24,8 @@ import android.os.Parcel;
 import android.telephony.gsm.GsmCellLocation;
 import android.text.TextUtils;
 
+import java.util.Collections;
+import java.util.List;
 import java.util.Objects;
 
 /**
@@ -50,6 +52,11 @@ public final class CellIdentityLte extends CellIdentity {
     // cell bandwidth, in kHz
     private final int mBandwidth;
 
+    // a list of additional PLMN-IDs reported for this cell
+    private final List<String> mAdditionalPlmns;
+
+    private ClosedSubscriberGroupInfo mCsgInfo;
+
     /**
      * @hide
      */
@@ -61,6 +68,8 @@ public final class CellIdentityLte extends CellIdentity {
         mTac = CellInfo.UNAVAILABLE;
         mEarfcn = CellInfo.UNAVAILABLE;
         mBandwidth = CellInfo.UNAVAILABLE;
+        mAdditionalPlmns = Collections.emptyList();
+        mCsgInfo = null;
     }
 
     /**
@@ -76,7 +85,7 @@ public final class CellIdentityLte extends CellIdentity {
     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023)
     public CellIdentityLte(int mcc, int mnc, int ci, int pci, int tac) {
         this(ci, pci, tac, CellInfo.UNAVAILABLE, CellInfo.UNAVAILABLE, String.valueOf(mcc),
-                String.valueOf(mnc), null, null);
+                String.valueOf(mnc), null, null, Collections.emptyList(), null);
     }
 
     /**
@@ -90,34 +99,49 @@ public final class CellIdentityLte extends CellIdentity {
      * @param mncStr 2 or 3-digit Mobile Network Code in string format
      * @param alphal long alpha Operator Name String or Enhanced Operator Name String
      * @param alphas short alpha Operator Name String or Enhanced Operator Name String
+     * @param additionalPlmns a list of additional PLMN IDs broadcast by the cell
+     * @param csgInfo info about the closed subscriber group broadcast by the cell
      *
      * @hide
      */
     public CellIdentityLte(int ci, int pci, int tac, int earfcn, int bandwidth, String mccStr,
-            String mncStr, String alphal, String alphas) {
+            String mncStr, String alphal, String alphas, List<String> additionalPlmns,
+            ClosedSubscriberGroupInfo csgInfo) {
         super(TAG, CellInfo.TYPE_LTE, mccStr, mncStr, alphal, alphas);
         mCi = inRangeOrUnavailable(ci, 0, MAX_CI);
         mPci = inRangeOrUnavailable(pci, 0, MAX_PCI);
         mTac = inRangeOrUnavailable(tac, 0, MAX_TAC);
         mEarfcn = inRangeOrUnavailable(earfcn, 0, MAX_EARFCN);
         mBandwidth = inRangeOrUnavailable(bandwidth, 0, MAX_BANDWIDTH);
+        mAdditionalPlmns = additionalPlmns;
+        mCsgInfo = csgInfo;
     }
 
     /** @hide */
     public CellIdentityLte(android.hardware.radio.V1_0.CellIdentityLte cid) {
-        this(cid.ci, cid.pci, cid.tac, cid.earfcn, CellInfo.UNAVAILABLE, cid.mcc, cid.mnc, "", "");
+        this(cid.ci, cid.pci, cid.tac, cid.earfcn,
+                CellInfo.UNAVAILABLE, cid.mcc, cid.mnc, "", "", Collections.emptyList(), null);
     }
 
     /** @hide */
     public CellIdentityLte(android.hardware.radio.V1_2.CellIdentityLte cid) {
         this(cid.base.ci, cid.base.pci, cid.base.tac, cid.base.earfcn, cid.bandwidth,
                 cid.base.mcc, cid.base.mnc, cid.operatorNames.alphaLong,
-                cid.operatorNames.alphaShort);
+                cid.operatorNames.alphaShort, Collections.emptyList(), null);
+    }
+
+    /** @hide */
+    public CellIdentityLte(android.hardware.radio.V1_5.CellIdentityLte cid) {
+        this(cid.base.base.ci, cid.base.base.pci, cid.base.base.tac, cid.base.base.earfcn,
+                cid.base.bandwidth, cid.base.base.mcc, cid.base.base.mnc,
+                cid.base.operatorNames.alphaLong, cid.base.operatorNames.alphaShort,
+                cid.additionalPlmns, cid.optionalCsgInfo.csgInfo() != null
+                        ? new ClosedSubscriberGroupInfo(cid.optionalCsgInfo.csgInfo()) : null);
     }
 
     private CellIdentityLte(CellIdentityLte cid) {
         this(cid.mCi, cid.mPci, cid.mTac, cid.mEarfcn, cid.mBandwidth, cid.mMccStr,
-                cid.mMncStr, cid.mAlphaLong, cid.mAlphaShort);
+                cid.mMncStr, cid.mAlphaLong, cid.mAlphaShort, cid.mAdditionalPlmns, cid.mCsgInfo);
     }
 
     /** @hide */
@@ -125,7 +149,7 @@ public final class CellIdentityLte extends CellIdentity {
     public @NonNull CellIdentityLte sanitizeLocationInfo() {
         return new CellIdentityLte(CellInfo.UNAVAILABLE, CellInfo.UNAVAILABLE, CellInfo.UNAVAILABLE,
                 CellInfo.UNAVAILABLE, CellInfo.UNAVAILABLE,
-                mMccStr, mMncStr, mAlphaLong, mAlphaShort);
+                mMccStr, mMncStr, mAlphaLong, mAlphaShort, mAdditionalPlmns, null);
     }
 
     CellIdentityLte copy() {
@@ -222,6 +246,22 @@ public final class CellIdentityLte extends CellIdentity {
         return mEarfcn;
     }
 
+    /**
+     * @return a list of additional PLMN IDs supported by this cell.
+     */
+    @NonNull
+    public List<String> getAdditionalPlmns() {
+        return mAdditionalPlmns;
+    }
+
+    /**
+     * @return closed subscriber group information about the cell if available, otherwise null.
+     */
+    @Nullable
+    public ClosedSubscriberGroupInfo getClosedSubscriberGroupInfo() {
+        return mCsgInfo;
+    }
+
     /**
      * A hack to allow tunneling of LTE information via GsmCellLocation
      * so that older Network Location Providers can return some information
@@ -247,7 +287,8 @@ public final class CellIdentityLte extends CellIdentity {
 
     @Override
     public int hashCode() {
-        return Objects.hash(mCi, mPci, mTac, super.hashCode());
+        return Objects.hash(mCi, mPci, mTac,
+                mAdditionalPlmns.hashCode(), mCsgInfo, super.hashCode());
     }
 
     @Override
@@ -268,6 +309,8 @@ public final class CellIdentityLte extends CellIdentity {
                 && mBandwidth == o.mBandwidth
                 && TextUtils.equals(mMccStr, o.mMccStr)
                 && TextUtils.equals(mMncStr, o.mMncStr)
+                && mAdditionalPlmns.equals(o.mAdditionalPlmns)
+                && Objects.equals(mCsgInfo, o.mCsgInfo)
                 && super.equals(other);
     }
 
@@ -283,6 +326,8 @@ public final class CellIdentityLte extends CellIdentity {
         .append(" mMnc=").append(mMncStr)
         .append(" mAlphaLong=").append(mAlphaLong)
         .append(" mAlphaShort=").append(mAlphaShort)
+        .append(" mAdditionalPlmns=").append(mAdditionalPlmns)
+        .append(" mCsgInfo=").append(mCsgInfo)
         .append("}").toString();
     }
 
@@ -296,6 +341,8 @@ public final class CellIdentityLte extends CellIdentity {
         dest.writeInt(mTac);
         dest.writeInt(mEarfcn);
         dest.writeInt(mBandwidth);
+        dest.writeList(mAdditionalPlmns);
+        dest.writeParcelable(mCsgInfo, flags);
     }
 
     /** Construct from Parcel, type has already been processed */
@@ -306,7 +353,8 @@ public final class CellIdentityLte extends CellIdentity {
         mTac = in.readInt();
         mEarfcn = in.readInt();
         mBandwidth = in.readInt();
-
+        mAdditionalPlmns = in.readArrayList(null);
+        mCsgInfo = in.readParcelable(null);
         if (DBG) log(toString());
     }
 

telephony/java/android/telephony/CellIdentityNr.java

@@ -20,8 +20,11 @@ import android.annotation.IntRange;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.os.Parcel;
+import android.telephony.AccessNetworkConstants.NgranBands.NgranBand;
 import android.telephony.gsm.GsmCellLocation;
 
+import java.util.Collections;
+import java.util.List;
 import java.util.Objects;
 
 /**
@@ -39,40 +42,58 @@ public final class CellIdentityNr extends CellIdentity {
     private final int mPci;
     private final int mTac;
     private final long mNci;
+    private final int mBand;
+
+    // a list of additional PLMN-IDs reported for this cell
+    private final List<String> mAdditionalPlmns;
 
     /**
      *
      * @param pci Physical Cell Id in range [0, 1007].
      * @param tac 16-bit Tracking Area Code.
      * @param nrArfcn NR Absolute Radio Frequency Channel Number, in range [0, 3279165].
+     * @param band Band number defined in 3GPP TS 38.101-1 and TS 38.101-2.
      * @param mccStr 3-digit Mobile Country Code in string format.
      * @param mncStr 2 or 3-digit Mobile Network Code in string format.
      * @param nci The 36-bit NR Cell Identity in range [0, 68719476735].
      * @param alphal long alpha Operator Name String or Enhanced Operator Name String.
      * @param alphas short alpha Operator Name String or Enhanced Operator Name String.
+     * @param additionalPlmns a list of additional PLMN IDs broadcast by the cell
      *
      * @hide
      */
-    public CellIdentityNr(int pci, int tac, int nrArfcn, String mccStr, String mncStr,
+    public CellIdentityNr(int pci, int tac, int nrArfcn, @NgranBand int band, String mccStr,
-            long nci, String alphal, String alphas) {
+            String mncStr, long nci, String alphal, String alphas, List<String> additionalPlmns) {
         super(TAG, CellInfo.TYPE_NR, mccStr, mncStr, alphal, alphas);
         mPci = inRangeOrUnavailable(pci, 0, MAX_PCI);
         mTac = inRangeOrUnavailable(tac, 0, MAX_TAC);
         mNrArfcn = inRangeOrUnavailable(nrArfcn, 0, MAX_NRARFCN);
+        mBand = inRangeOrUnavailable(band, AccessNetworkConstants.NgranBands.BAND_1,
+                AccessNetworkConstants.NgranBands.BAND_261);
         mNci = inRangeOrUnavailable(nci, 0, MAX_NCI);
+        mAdditionalPlmns = additionalPlmns;
     }
 
     /** @hide */
     public CellIdentityNr(android.hardware.radio.V1_4.CellIdentityNr cid) {
-        this(cid.pci, cid.tac, cid.nrarfcn, cid.mcc, cid.mnc, cid.nci, cid.operatorNames.alphaLong,
+        this(cid.pci, cid.tac, cid.nrarfcn, 0, cid.mcc, cid.mnc, cid.nci,
-                cid.operatorNames.alphaShort);
+                cid.operatorNames.alphaLong, cid.operatorNames.alphaShort,
+                Collections.emptyList());
+    }
+
+    /** @hide */
+    public CellIdentityNr(android.hardware.radio.V1_5.CellIdentityNr cid) {
+        this(cid.base.pci, cid.base.tac, cid.base.nrarfcn, cid.band, cid.base.mcc, cid.base.mnc,
+                cid.base.nci, cid.base.operatorNames.alphaLong,
+                cid.base.operatorNames.alphaShort, cid.additionalPlmns);
     }
 
     /** @hide */
     @Override
     public @NonNull CellIdentityNr sanitizeLocationInfo() {
-        return new CellIdentityNr(CellInfo.UNAVAILABLE, CellInfo.UNAVAILABLE, CellInfo.UNAVAILABLE,
+        return new CellIdentityNr(CellInfo.UNAVAILABLE, CellInfo.UNAVAILABLE, mNrArfcn,
-                mMccStr, mMncStr, CellInfo.UNAVAILABLE, mAlphaLong, mAlphaShort);
+                mBand, mMccStr, mMncStr, CellInfo.UNAVAILABLE, mAlphaLong, mAlphaShort,
+                mAdditionalPlmns);
     }
 
     /**
@@ -87,7 +108,8 @@ public final class CellIdentityNr extends CellIdentity {
 
     @Override
     public int hashCode() {
-        return Objects.hash(super.hashCode(), mPci, mTac, mNrArfcn, mNci);
+        return Objects.hash(super.hashCode(), mPci, mTac,
+                mNrArfcn, mBand, mNci, mAdditionalPlmns.hashCode());
     }
 
     @Override
@@ -98,7 +120,8 @@ public final class CellIdentityNr extends CellIdentity {
 
         CellIdentityNr o = (CellIdentityNr) other;
         return super.equals(o) && mPci == o.mPci && mTac == o.mTac && mNrArfcn == o.mNrArfcn
-                && mNci == o.mNci;
+                && mBand == o.mBand && mNci == o.mNci
+                && mAdditionalPlmns.equals(o.mAdditionalPlmns);
     }
 
     /**
@@ -124,6 +147,19 @@ public final class CellIdentityNr extends CellIdentity {
         return mNrArfcn;
     }
 
+    /**
+     * Get band of the cell
+     *
+     * Reference: TS 38.101-1 table 5.2-1
+     * Reference: TS 38.101-2 table 5.2-1
+     *
+     * @return band number or {@link CellInfo@UNAVAILABLE} if not available.
+     */
+    @NgranBand
+    public int getBand() {
+        return mBand;
+    }
+
     /**
      * Get the physical cell id.
      * @return Integer value in range [0, 1007] or {@link CellInfo#UNAVAILABLE} if unknown.
@@ -158,17 +194,33 @@ public final class CellIdentityNr extends CellIdentity {
         return mMncStr;
     }
 
+    /** @hide */
+    @Override
+    public int getChannelNumber() {
+        return mNrArfcn;
+    }
+
+    /**
+     * @return a list of additional PLMN IDs supported by this cell.
+     */
+    @NonNull
+    public List<String> getAdditionalPlmns() {
+        return mAdditionalPlmns;
+    }
+
     @Override
     public String toString() {
         return new StringBuilder(TAG + ":{")
                 .append(" mPci = ").append(mPci)
                 .append(" mTac = ").append(mTac)
                 .append(" mNrArfcn = ").append(mNrArfcn)
+                .append(" mBand = ").append(mBand)
                 .append(" mMcc = ").append(mMccStr)
                 .append(" mMnc = ").append(mMncStr)
                 .append(" mNci = ").append(mNci)
                 .append(" mAlphaLong = ").append(mAlphaLong)
                 .append(" mAlphaShort = ").append(mAlphaShort)
+                .append(" mAdditionalPlmns = ").append(mAdditionalPlmns)
                 .append(" }")
                 .toString();
     }
@@ -179,7 +231,9 @@ public final class CellIdentityNr extends CellIdentity {
         dest.writeInt(mPci);
         dest.writeInt(mTac);
         dest.writeInt(mNrArfcn);
+        dest.writeInt(mBand);
         dest.writeLong(mNci);
+        dest.writeList(mAdditionalPlmns);
     }
 
     /** Construct from Parcel, type has already been processed */
@@ -188,7 +242,9 @@ public final class CellIdentityNr extends CellIdentity {
         mPci = in.readInt();
         mTac = in.readInt();
         mNrArfcn = in.readInt();
+        mBand = in.readInt();
         mNci = in.readLong();
+        mAdditionalPlmns = in.readArrayList(null);
     }
 
     /** Implement the Parcelable interface */

telephony/java/android/telephony/CellIdentityTdscdma.java

@@ -21,6 +21,8 @@ import android.annotation.Nullable;
 import android.os.Parcel;
 import android.telephony.gsm.GsmCellLocation;
 
+import java.util.Collections;
+import java.util.List;
 import java.util.Objects;
 
 /**
@@ -46,6 +48,11 @@ public final class CellIdentityTdscdma extends CellIdentity {
     // 16-bit UMTS Absolute RF Channel Number described in TS 25.101 sec. 5.4.3
     private final int mUarfcn;
 
+    // a list of additional PLMN-IDs reported for this cell
+    private final List<String> mAdditionalPlmns;
+
+    private ClosedSubscriberGroupInfo mCsgInfo;
+
     /**
      * @hide
      */
@@ -55,6 +62,8 @@ public final class CellIdentityTdscdma extends CellIdentity {
         mCid = CellInfo.UNAVAILABLE;
         mCpid = CellInfo.UNAVAILABLE;
         mUarfcn = CellInfo.UNAVAILABLE;
+        mAdditionalPlmns = Collections.emptyList();
+        mCsgInfo = null;
     }
 
     /**
@@ -68,39 +77,57 @@ public final class CellIdentityTdscdma extends CellIdentity {
      * @param uarfcn 16-bit UMTS Absolute RF Channel Number described in TS 25.101 sec. 5.4.3
      * @param alphal long alpha Operator Name String or Enhanced Operator Name String
      * @param alphas short alpha Operator Name String or Enhanced Operator Name String
+     * @param additionalPlmns a list of additional PLMN IDs broadcast by the cell
+     * @param csgInfo info about the closed subscriber group broadcast by the cell
      *
      * @hide
      */
     public CellIdentityTdscdma(String mcc, String mnc, int lac, int cid, int cpid, int uarfcn,
-            String alphal, String alphas) {
+            String alphal, String alphas, @NonNull List<String> additionalPlmns,
+            ClosedSubscriberGroupInfo csgInfo) {
         super(TAG, CellInfo.TYPE_TDSCDMA, mcc, mnc, alphal, alphas);
         mLac = inRangeOrUnavailable(lac, 0, MAX_LAC);
         mCid = inRangeOrUnavailable(cid, 0, MAX_CID);
         mCpid = inRangeOrUnavailable(cpid, 0, MAX_CPID);
         mUarfcn = inRangeOrUnavailable(uarfcn, 0, MAX_UARFCN);
+        mAdditionalPlmns = additionalPlmns;
+        mCsgInfo = csgInfo;
     }
 
     private CellIdentityTdscdma(CellIdentityTdscdma cid) {
         this(cid.mMccStr, cid.mMncStr, cid.mLac, cid.mCid,
-                cid.mCpid, cid.mUarfcn, cid.mAlphaLong, cid.mAlphaShort);
+                cid.mCpid, cid.mUarfcn, cid.mAlphaLong,
+                cid.mAlphaShort, cid.mAdditionalPlmns, cid.mCsgInfo);
     }
 
     /** @hide */
     public CellIdentityTdscdma(android.hardware.radio.V1_0.CellIdentityTdscdma cid) {
-        this(cid.mcc, cid.mnc, cid.lac, cid.cid, cid.cpid, CellInfo.UNAVAILABLE, "", "");
+        this(cid.mcc, cid.mnc, cid.lac, cid.cid, cid.cpid, CellInfo.UNAVAILABLE, "", "",
+                Collections.emptyList(), null);
     }
 
     /** @hide */
     public CellIdentityTdscdma(android.hardware.radio.V1_2.CellIdentityTdscdma cid) {
         this(cid.base.mcc, cid.base.mnc, cid.base.lac, cid.base.cid, cid.base.cpid,
-                cid.uarfcn, cid.operatorNames.alphaLong, cid.operatorNames.alphaShort);
+                cid.uarfcn, cid.operatorNames.alphaLong, cid.operatorNames.alphaShort,
+                Collections.emptyList(), null);
+    }
+
+    /** @hide */
+    public CellIdentityTdscdma(android.hardware.radio.V1_5.CellIdentityTdscdma cid) {
+        this(cid.base.base.mcc, cid.base.base.mnc, cid.base.base.lac, cid.base.base.cid,
+                cid.base.base.cpid, cid.base.uarfcn, cid.base.operatorNames.alphaLong,
+                cid.base.operatorNames.alphaShort,
+                cid.additionalPlmns, cid.optionalCsgInfo.csgInfo() != null
+                        ? new ClosedSubscriberGroupInfo(cid.optionalCsgInfo.csgInfo()) : null);
     }
 
     /** @hide */
     @Override
     public @NonNull CellIdentityTdscdma sanitizeLocationInfo() {
         return new CellIdentityTdscdma(mMccStr, mMncStr, CellInfo.UNAVAILABLE, CellInfo.UNAVAILABLE,
-                CellInfo.UNAVAILABLE, CellInfo.UNAVAILABLE, mAlphaLong, mAlphaShort);
+                CellInfo.UNAVAILABLE, CellInfo.UNAVAILABLE, mAlphaLong, mAlphaShort,
+                mAdditionalPlmns, null);
     }
 
     CellIdentityTdscdma copy() {
@@ -171,6 +198,22 @@ public final class CellIdentityTdscdma extends CellIdentity {
         return mUarfcn;
     }
 
+    /**
+     * @return a list of additional PLMN IDs supported by this cell.
+     */
+    @NonNull
+    public List<String> getAdditionalPlmns() {
+        return mAdditionalPlmns;
+    }
+
+    /**
+     * @return closed subscriber group information about the cell if available, otherwise null.
+     */
+    @Nullable
+    public ClosedSubscriberGroupInfo getClosedSubscriberGroupInfo() {
+        return mCsgInfo;
+    }
+
     /** @hide */
     @NonNull
     @Override
@@ -198,12 +241,15 @@ public final class CellIdentityTdscdma extends CellIdentity {
                 && mCid == o.mCid
                 && mCpid == o.mCpid
                 && mUarfcn == o.mUarfcn
+                && mAdditionalPlmns.equals(o.mAdditionalPlmns)
+                && Objects.equals(mCsgInfo, o.mCsgInfo)
                 && super.equals(other);
     }
 
     @Override
     public int hashCode() {
-        return Objects.hash(mLac, mCid, mCpid, mUarfcn, super.hashCode());
+        return Objects.hash(mLac, mCid, mCpid, mUarfcn,
+                mAdditionalPlmns.hashCode(), mCsgInfo, super.hashCode());
     }
 
     @Override
@@ -217,6 +263,8 @@ public final class CellIdentityTdscdma extends CellIdentity {
         .append(" mCid=").append(mCid)
         .append(" mCpid=").append(mCpid)
         .append(" mUarfcn=").append(mUarfcn)
+        .append(" mAdditionalPlmns=").append(mAdditionalPlmns)
+        .append(" mCsgInfo=").append(mCsgInfo)
         .append("}").toString();
     }
 
@@ -235,6 +283,8 @@ public final class CellIdentityTdscdma extends CellIdentity {
         dest.writeInt(mCid);
         dest.writeInt(mCpid);
         dest.writeInt(mUarfcn);
+        dest.writeList(mAdditionalPlmns);
+        dest.writeParcelable(mCsgInfo, flags);
     }
 
     /** Construct from Parcel, type has already been processed */
@@ -244,6 +294,8 @@ public final class CellIdentityTdscdma extends CellIdentity {
         mCid = in.readInt();
         mCpid = in.readInt();
         mUarfcn = in.readInt();
+        mAdditionalPlmns = in.readArrayList(null);
+        mCsgInfo = in.readParcelable(null);
         if (DBG) log(toString());
     }
 

telephony/java/android/telephony/CellIdentityWcdma.java

@@ -23,6 +23,8 @@ import android.os.Parcel;
 import android.telephony.gsm.GsmCellLocation;
 import android.text.TextUtils;
 
+import java.util.Collections;
+import java.util.List;
 import java.util.Objects;
 
 /**
@@ -47,6 +49,12 @@ public final class CellIdentityWcdma extends CellIdentity {
     @UnsupportedAppUsage
     private final int mUarfcn;
 
+    // a list of additional PLMN-IDs reported for this cell
+    private final List<String> mAdditionalPlmns;
+
+    @Nullable
+    private final ClosedSubscriberGroupInfo mCsgInfo;
+
     /**
      * @hide
      */
@@ -56,6 +64,8 @@ public final class CellIdentityWcdma extends CellIdentity {
         mCid = CellInfo.UNAVAILABLE;
         mPsc = CellInfo.UNAVAILABLE;
         mUarfcn = CellInfo.UNAVAILABLE;
+        mAdditionalPlmns = Collections.emptyList();
+        mCsgInfo = null;
     }
 
     /**
@@ -68,33 +78,49 @@ public final class CellIdentityWcdma extends CellIdentity {
      * @param mncStr 2 or 3-digit Mobile Network Code in string format
      * @param alphal long alpha Operator Name String or Enhanced Operator Name String
      * @param alphas short alpha Operator Name String or Enhanced Operator Name String
+     * @param additionalPlmns a list of additional PLMN IDs broadcast by the cell
+     * @param csgInfo info about the closed subscriber group broadcast by the cell
      *
      * @hide
      */
     public CellIdentityWcdma (int lac, int cid, int psc, int uarfcn,
-                              String mccStr, String mncStr, String alphal, String alphas) {
+                              String mccStr, String mncStr, String alphal, String alphas,
+                              @NonNull List<String> additionalPlmns,
+                              @Nullable ClosedSubscriberGroupInfo csgInfo) {
         super(TAG, CellInfo.TYPE_WCDMA, mccStr, mncStr, alphal, alphas);
         mLac = inRangeOrUnavailable(lac, 0, MAX_LAC);
         mCid = inRangeOrUnavailable(cid, 0, MAX_CID);
         mPsc = inRangeOrUnavailable(psc, 0, MAX_PSC);
         mUarfcn = inRangeOrUnavailable(uarfcn, 0, MAX_UARFCN);
+        mAdditionalPlmns = additionalPlmns;
+        mCsgInfo = csgInfo;
     }
 
     /** @hide */
     public CellIdentityWcdma(android.hardware.radio.V1_0.CellIdentityWcdma cid) {
-        this(cid.lac, cid.cid, cid.psc, cid.uarfcn, cid.mcc, cid.mnc, "", "");
+        this(cid.lac, cid.cid, cid.psc, cid.uarfcn, cid.mcc, cid.mnc, "", "",
+                Collections.emptyList(), null);
     }
 
     /** @hide */
     public CellIdentityWcdma(android.hardware.radio.V1_2.CellIdentityWcdma cid) {
         this(cid.base.lac, cid.base.cid, cid.base.psc, cid.base.uarfcn,
                 cid.base.mcc, cid.base.mnc, cid.operatorNames.alphaLong,
-                cid.operatorNames.alphaShort);
+                cid.operatorNames.alphaShort, Collections.emptyList(), null);
+    }
+
+    /** @hide */
+    public CellIdentityWcdma(android.hardware.radio.V1_5.CellIdentityWcdma cid) {
+        this(cid.base.base.lac, cid.base.base.cid, cid.base.base.psc, cid.base.base.uarfcn,
+                cid.base.base.mcc, cid.base.base.mnc, cid.base.operatorNames.alphaLong,
+                cid.base.operatorNames.alphaShort, cid.additionalPlmns,
+                cid.optionalCsgInfo.csgInfo() != null
+                        ? new ClosedSubscriberGroupInfo(cid.optionalCsgInfo.csgInfo()) : null);
     }
 
     private CellIdentityWcdma(CellIdentityWcdma cid) {
         this(cid.mLac, cid.mCid, cid.mPsc, cid.mUarfcn, cid.mMccStr,
-                cid.mMncStr, cid.mAlphaLong, cid.mAlphaShort);
+                cid.mMncStr, cid.mAlphaLong, cid.mAlphaShort, cid.mAdditionalPlmns, cid.mCsgInfo);
     }
 
     /** @hide */
@@ -102,7 +128,7 @@ public final class CellIdentityWcdma extends CellIdentity {
     public @NonNull CellIdentityWcdma sanitizeLocationInfo() {
         return new CellIdentityWcdma(CellInfo.UNAVAILABLE, CellInfo.UNAVAILABLE,
                 CellInfo.UNAVAILABLE, CellInfo.UNAVAILABLE, mMccStr, mMncStr,
-                mAlphaLong, mAlphaShort);
+                mAlphaLong, mAlphaShort, mAdditionalPlmns, null);
     }
 
     CellIdentityWcdma copy() {
@@ -180,7 +206,7 @@ public final class CellIdentityWcdma extends CellIdentity {
 
     @Override
     public int hashCode() {
-        return Objects.hash(mLac, mCid, mPsc, super.hashCode());
+        return Objects.hash(mLac, mCid, mPsc, mAdditionalPlmns.hashCode(), super.hashCode());
     }
 
     /**
@@ -197,6 +223,22 @@ public final class CellIdentityWcdma extends CellIdentity {
         return mUarfcn;
     }
 
+    /**
+     * @return a list of additional PLMN IDs supported by this cell.
+     */
+    @NonNull
+    public List<String> getAdditionalPlmns() {
+        return mAdditionalPlmns;
+    }
+
+    /**
+     * @return closed subscriber group information about the cell if available, otherwise null.
+     */
+    @Nullable
+    public ClosedSubscriberGroupInfo getClosedSubscriberGroupInfo() {
+        return mCsgInfo;
+    }
+
     /** @hide */
     @NonNull
     @Override
@@ -228,6 +270,8 @@ public final class CellIdentityWcdma extends CellIdentity {
                 && mUarfcn == o.mUarfcn
                 && TextUtils.equals(mMccStr, o.mMccStr)
                 && TextUtils.equals(mMncStr, o.mMncStr)
+                && mAdditionalPlmns.equals(o.mAdditionalPlmns)
+                && Objects.equals(mCsgInfo, o.mCsgInfo)
                 && super.equals(other);
     }
 
@@ -242,6 +286,8 @@ public final class CellIdentityWcdma extends CellIdentity {
         .append(" mMnc=").append(mMncStr)
         .append(" mAlphaLong=").append(mAlphaLong)
         .append(" mAlphaShort=").append(mAlphaShort)
+        .append(" mAdditionalPlmns=").append(mAdditionalPlmns)
+        .append(" mCsgInfo=").append(mCsgInfo)
         .append("}").toString();
     }
 
@@ -254,6 +300,8 @@ public final class CellIdentityWcdma extends CellIdentity {
         dest.writeInt(mCid);
         dest.writeInt(mPsc);
         dest.writeInt(mUarfcn);
+        dest.writeList(mAdditionalPlmns);
+        dest.writeParcelable(mCsgInfo, flags);
     }
 
     /** Construct from Parcel, type has already been processed */
@@ -263,6 +311,8 @@ public final class CellIdentityWcdma extends CellIdentity {
         mCid = in.readInt();
         mPsc = in.readInt();
         mUarfcn = in.readInt();
+        mAdditionalPlmns = in.readArrayList(null);
+        mCsgInfo = in.readParcelable(null);
         if (DBG) log(toString());
     }
 

telephony/java/android/telephony/ClosedSubscriberGroupInfo.aidl

@@ -0,0 +1,20 @@
+/*
+**
+** Copyright 2020, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+package android.telephony;
+
+parcelable ClosedSubscriberGroupInfo;

telephony/java/android/telephony/ClosedSubscriberGroupInfo.java

@@ -0,0 +1,156 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.telephony;
+
+import android.annotation.IntRange;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import java.util.Objects;
+
+/**
+ * Information to represent a closed subscriber group.
+ */
+public final class ClosedSubscriberGroupInfo implements Parcelable {
+    private static final String TAG = "ClosedSubscriberGroupInfo";
+
+    private final boolean mCsgIndicator;
+
+    private final String mHomeNodebName;
+
+    private final int mCsgIdentity;
+
+    /** @hide */
+    public ClosedSubscriberGroupInfo(boolean csgIndicator, @Nullable String homeNodebName,
+            int csgIdentity) {
+        mCsgIndicator = csgIndicator;
+        mHomeNodebName = (homeNodebName == null) ? "" : homeNodebName;
+        mCsgIdentity = csgIdentity;
+    }
+
+    /** @hide */
+    public ClosedSubscriberGroupInfo(
+            @NonNull android.hardware.radio.V1_5.ClosedSubscriberGroupInfo csgInfo) {
+        this(csgInfo.csgIndication, csgInfo.homeNodebName, csgInfo.csgIdentity);
+    }
+
+    /**
+     * Indicates whether the cell is restricted to only CSG members.
+     *
+     * A cell not broadcasting the CSG Indication but reporting CSG information is considered a
+     * Hybrid Cell.
+     * Refer to the "csg-Indication" field in 3GPP TS 36.331 section 6.2.2
+     * SystemInformationBlockType1.
+     * Also refer to "CSG Indicator" in 3GPP TS 25.331 section 10.2.48.8.1 and TS 25.304.
+     *
+     * @return true if the cell is restricted to group members only.
+     */
+    public boolean getCsgIndicator() {
+        return mCsgIndicator;
+    }
+
+    /**
+     * Returns human-readable name of the closed subscriber group operating this cell (Node-B).
+     *
+     * Refer to "hnb-Name" in TS 36.331 section 6.2.2 SystemInformationBlockType9.
+     * Also refer to "HNB Name" in 3GPP TS25.331 section 10.2.48.8.23 and TS 23.003 section 4.8.
+     *
+     * @return the home Node-B name if available.
+     */
+    public @NonNull String getHomeNodebName() {
+        return mHomeNodebName;
+    }
+
+    /**
+     * The identity of the closed subscriber group that the cell belongs to.
+     *
+     * Refer to "CSG-Identity" in TS 36.336 section 6.3.4.
+     * Also refer to "CSG Identity" in 3GPP TS 25.331 section 10.3.2.8 and TS 23.003 section 4.7.
+     *
+     * @return the unique 27-bit CSG Identity.
+     */
+    @IntRange(from = 0, to = 0x7FFFFFF)
+    public int getCsgIdentity() {
+        return mCsgIdentity;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(mCsgIndicator, mHomeNodebName, mCsgIdentity);
+    }
+
+    @Override
+    public boolean equals(Object other) {
+        if (!(other instanceof ClosedSubscriberGroupInfo)) {
+            return false;
+        }
+
+        ClosedSubscriberGroupInfo o = (ClosedSubscriberGroupInfo) other;
+        return mCsgIndicator == o.mCsgIndicator && mHomeNodebName == o.mHomeNodebName
+                && mCsgIdentity == o.mCsgIdentity;
+    }
+
+    @Override
+    public String toString() {
+        return new StringBuilder(TAG + ":{")
+                .append(" mCsgIndicator = ").append(mCsgIndicator)
+                .append(" mHomeNodebName = ").append(mHomeNodebName)
+                .append(" mCsgIdentity = ").append(mCsgIdentity)
+                .toString();
+    }
+
+    @Override
+    public void writeToParcel(@NonNull Parcel dest, int type) {
+        dest.writeBoolean(mCsgIndicator);
+        dest.writeString(mHomeNodebName);
+        dest.writeInt(mCsgIdentity);
+    }
+
+    /** Construct from Parcel, type has already been processed */
+    private ClosedSubscriberGroupInfo(Parcel in) {
+        this(in.readBoolean(), in.readString(), in.readInt());
+    }
+
+    /**
+     * Implement the Parcelable interface
+     */
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    /** Implement the Parcelable interface */
+    public static final @android.annotation.NonNull Creator<ClosedSubscriberGroupInfo> CREATOR =
+            new Creator<ClosedSubscriberGroupInfo>() {
+                @Override
+                public ClosedSubscriberGroupInfo createFromParcel(Parcel in) {
+                    return createFromParcelBody(in);
+                }
+
+                @Override
+                public ClosedSubscriberGroupInfo[] newArray(int size) {
+                    return new ClosedSubscriberGroupInfo[size];
+                }
+            };
+
+    /** @hide */
+    protected static ClosedSubscriberGroupInfo createFromParcelBody(Parcel in) {
+        return new ClosedSubscriberGroupInfo(in);
+    }
+}