Merge "Add RealTimeIntegrityModel to Glonass" into main

6 files changed, 120 insertions, 65 deletions

diff --git a/location/api/system-current.txt b/location/api/system-current.txt
index 47984745fafc..8026d4662cb9 100644
--- a/location/api/system-current.txt
+++ b/location/api/system-current.txt
@@ -32,7 +32,7 @@ package android.location {
   @FlaggedApi("android.location.flags.gnss_assistance_interface") public final class BeidouAssistance implements android.os.Parcelable {
     method public int describeContents();
     method @Nullable public android.location.GnssAlmanac getAlmanac();
-    method @Nullable public android.location.AuxiliaryInformation getAuxiliaryInformation();
+    method @NonNull public java.util.List<android.location.AuxiliaryInformation> getAuxiliaryInformation();
     method @Nullable public android.location.KlobucharIonosphericModel getIonosphericModel();
     method @Nullable public android.location.LeapSecondsModel getLeapSecondsModel();
     method @NonNull public java.util.List<android.location.RealTimeIntegrityModel> getRealTimeIntegrityModels();
@@ -48,7 +48,7 @@ package android.location {
     ctor public BeidouAssistance.Builder();
     method @NonNull public android.location.BeidouAssistance build();
     method @NonNull public android.location.BeidouAssistance.Builder setAlmanac(@Nullable android.location.GnssAlmanac);
-    method @NonNull public android.location.BeidouAssistance.Builder setAuxiliaryInformation(@Nullable android.location.AuxiliaryInformation);
+    method @NonNull public android.location.BeidouAssistance.Builder setAuxiliaryInformation(@NonNull java.util.List<android.location.AuxiliaryInformation>);
     method @NonNull public android.location.BeidouAssistance.Builder setIonosphericModel(@Nullable android.location.KlobucharIonosphericModel);
     method @NonNull public android.location.BeidouAssistance.Builder setLeapSecondsModel(@Nullable android.location.LeapSecondsModel);
     method @NonNull public android.location.BeidouAssistance.Builder setRealTimeIntegrityModels(@NonNull java.util.List<android.location.RealTimeIntegrityModel>);
@@ -176,7 +176,7 @@ package android.location {
   @FlaggedApi("android.location.flags.gnss_assistance_interface") public final class GalileoAssistance implements android.os.Parcelable {
     method public int describeContents();
     method @Nullable public android.location.GnssAlmanac getAlmanac();
-    method @Nullable public android.location.AuxiliaryInformation getAuxiliaryInformation();
+    method @NonNull public java.util.List<android.location.AuxiliaryInformation> getAuxiliaryInformation();
     method @Nullable public android.location.GalileoIonosphericModel getIonosphericModel();
     method @Nullable public android.location.LeapSecondsModel getLeapSecondsModel();
     method @NonNull public java.util.List<android.location.RealTimeIntegrityModel> getRealTimeIntegrityModels();
@@ -192,7 +192,7 @@ package android.location {
     ctor public GalileoAssistance.Builder();
     method @NonNull public android.location.GalileoAssistance build();
     method @NonNull public android.location.GalileoAssistance.Builder setAlmanac(@Nullable android.location.GnssAlmanac);
-    method @NonNull public android.location.GalileoAssistance.Builder setAuxiliaryInformation(@Nullable android.location.AuxiliaryInformation);
+    method @NonNull public android.location.GalileoAssistance.Builder setAuxiliaryInformation(@NonNull java.util.List<android.location.AuxiliaryInformation>);
     method @NonNull public android.location.GalileoAssistance.Builder setIonosphericModel(@Nullable android.location.GalileoIonosphericModel);
     method @NonNull public android.location.GalileoAssistance.Builder setLeapSecondsModel(@Nullable android.location.LeapSecondsModel);
     method @NonNull public android.location.GalileoAssistance.Builder setRealTimeIntegrityModels(@NonNull java.util.List<android.location.RealTimeIntegrityModel>);
@@ -346,7 +346,8 @@ package android.location {
   @FlaggedApi("android.location.flags.gnss_assistance_interface") public final class GlonassAssistance implements android.os.Parcelable {
     method public int describeContents();
     method @Nullable public android.location.GlonassAlmanac getAlmanac();
-    method @Nullable public android.location.AuxiliaryInformation getAuxiliaryInformation();
+    method @NonNull public java.util.List<android.location.AuxiliaryInformation> getAuxiliaryInformation();
+    method @NonNull public java.util.List<android.location.RealTimeIntegrityModel> getRealTimeIntegrityModels();
     method @NonNull public java.util.List<android.location.GnssAssistance.GnssSatelliteCorrections> getSatelliteCorrections();
     method @NonNull public java.util.List<android.location.GlonassSatelliteEphemeris> getSatelliteEphemeris();
     method @NonNull public java.util.List<android.location.TimeModel> getTimeModels();
@@ -359,7 +360,8 @@ package android.location {
     ctor public GlonassAssistance.Builder();
     method @NonNull public android.location.GlonassAssistance build();
     method @NonNull public android.location.GlonassAssistance.Builder setAlmanac(@Nullable android.location.GlonassAlmanac);
-    method @NonNull public android.location.GlonassAssistance.Builder setAuxiliaryInformation(@Nullable android.location.AuxiliaryInformation);
+    method @NonNull public android.location.GlonassAssistance.Builder setAuxiliaryInformation(@NonNull java.util.List<android.location.AuxiliaryInformation>);
+    method @NonNull public android.location.GlonassAssistance.Builder setRealTimeIntegrityModels(@NonNull java.util.List<android.location.RealTimeIntegrityModel>);
     method @NonNull public android.location.GlonassAssistance.Builder setSatelliteCorrections(@NonNull java.util.List<android.location.GnssAssistance.GnssSatelliteCorrections>);
     method @NonNull public android.location.GlonassAssistance.Builder setSatelliteEphemeris(@NonNull java.util.List<android.location.GlonassSatelliteEphemeris>);
     method @NonNull public android.location.GlonassAssistance.Builder setTimeModels(@NonNull java.util.List<android.location.TimeModel>);
@@ -717,7 +719,7 @@ package android.location {
   @FlaggedApi("android.location.flags.gnss_assistance_interface") public final class GpsAssistance implements android.os.Parcelable {
     method public int describeContents();
     method @Nullable public android.location.GnssAlmanac getAlmanac();
-    method @Nullable public android.location.AuxiliaryInformation getAuxiliaryInformation();
+    method @NonNull public java.util.List<android.location.AuxiliaryInformation> getAuxiliaryInformation();
     method @Nullable public android.location.KlobucharIonosphericModel getIonosphericModel();
     method @Nullable public android.location.LeapSecondsModel getLeapSecondsModel();
     method @NonNull public java.util.List<android.location.RealTimeIntegrityModel> getRealTimeIntegrityModels();
@@ -733,7 +735,7 @@ package android.location {
     ctor public GpsAssistance.Builder();
     method @NonNull public android.location.GpsAssistance build();
     method @NonNull public android.location.GpsAssistance.Builder setAlmanac(@Nullable android.location.GnssAlmanac);
-    method @NonNull public android.location.GpsAssistance.Builder setAuxiliaryInformation(@Nullable android.location.AuxiliaryInformation);
+    method @NonNull public android.location.GpsAssistance.Builder setAuxiliaryInformation(@NonNull java.util.List<android.location.AuxiliaryInformation>);
     method @NonNull public android.location.GpsAssistance.Builder setIonosphericModel(@Nullable android.location.KlobucharIonosphericModel);
     method @NonNull public android.location.GpsAssistance.Builder setLeapSecondsModel(@Nullable android.location.LeapSecondsModel);
     method @NonNull public android.location.GpsAssistance.Builder setRealTimeIntegrityModels(@NonNull java.util.List<android.location.RealTimeIntegrityModel>);
@@ -1253,7 +1255,7 @@ package android.location {
   @FlaggedApi("android.location.flags.gnss_assistance_interface") public final class QzssAssistance implements android.os.Parcelable {
     method public int describeContents();
     method @Nullable public android.location.GnssAlmanac getAlmanac();
-    method @Nullable public android.location.AuxiliaryInformation getAuxiliaryInformation();
+    method @NonNull public java.util.List<android.location.AuxiliaryInformation> getAuxiliaryInformation();
     method @Nullable public android.location.KlobucharIonosphericModel getIonosphericModel();
     method @Nullable public android.location.LeapSecondsModel getLeapSecondsModel();
     method @NonNull public java.util.List<android.location.RealTimeIntegrityModel> getRealTimeIntegrityModels();
@@ -1269,7 +1271,7 @@ package android.location {
     ctor public QzssAssistance.Builder();
     method @NonNull public android.location.QzssAssistance build();
     method @NonNull public android.location.QzssAssistance.Builder setAlmanac(@Nullable android.location.GnssAlmanac);
-    method @NonNull public android.location.QzssAssistance.Builder setAuxiliaryInformation(@Nullable android.location.AuxiliaryInformation);
+    method @NonNull public android.location.QzssAssistance.Builder setAuxiliaryInformation(@NonNull java.util.List<android.location.AuxiliaryInformation>);
     method @NonNull public android.location.QzssAssistance.Builder setIonosphericModel(@Nullable android.location.KlobucharIonosphericModel);
     method @NonNull public android.location.QzssAssistance.Builder setLeapSecondsModel(@Nullable android.location.LeapSecondsModel);
     method @NonNull public android.location.QzssAssistance.Builder setRealTimeIntegrityModels(@NonNull java.util.List<android.location.RealTimeIntegrityModel>);
diff --git a/location/java/android/location/BeidouAssistance.java b/location/java/android/location/BeidouAssistance.java
index e35493ed1007..274332dab9a8 100644
--- a/location/java/android/location/BeidouAssistance.java
+++ b/location/java/android/location/BeidouAssistance.java
@@ -50,8 +50,8 @@ public final class BeidouAssistance implements Parcelable {
     /** The leap seconds model. */
     @Nullable private final LeapSecondsModel mLeapSecondsModel;
 
-    /** The auxiliary information. */
-    @Nullable private final AuxiliaryInformation mAuxiliaryInformation;
+    /** The list of auxiliary informations. */
+    @NonNull private final List<AuxiliaryInformation> mAuxiliaryInformation;
 
     /** The list of time models. */
     @NonNull private final List<TimeModel> mTimeModels;
@@ -70,7 +70,12 @@ public final class BeidouAssistance implements Parcelable {
         mIonosphericModel = builder.mIonosphericModel;
         mUtcModel = builder.mUtcModel;
         mLeapSecondsModel = builder.mLeapSecondsModel;
-        mAuxiliaryInformation = builder.mAuxiliaryInformation;
+        if (builder.mAuxiliaryInformation != null) {
+            mAuxiliaryInformation =
+                    Collections.unmodifiableList(new ArrayList<>(builder.mAuxiliaryInformation));
+        } else {
+            mAuxiliaryInformation = new ArrayList<>();
+        }
         if (builder.mTimeModels != null) {
             mTimeModels = Collections.unmodifiableList(new ArrayList<>(builder.mTimeModels));
         } else {
@@ -120,9 +125,9 @@ public final class BeidouAssistance implements Parcelable {
         return mLeapSecondsModel;
     }
 
-    /** Returns the auxiliary information. */
-    @Nullable
-    public AuxiliaryInformation getAuxiliaryInformation() {
+    /** Returns the list of auxiliary informations. */
+    @NonNull
+    public List<AuxiliaryInformation> getAuxiliaryInformation() {
         return mAuxiliaryInformation;
     }
 
@@ -178,7 +183,7 @@ public final class BeidouAssistance implements Parcelable {
         dest.writeTypedObject(mIonosphericModel, flags);
         dest.writeTypedObject(mUtcModel, flags);
         dest.writeTypedObject(mLeapSecondsModel, flags);
-        dest.writeTypedObject(mAuxiliaryInformation, flags);
+        dest.writeTypedList(mAuxiliaryInformation);
         dest.writeTypedList(mTimeModels);
         dest.writeTypedList(mSatelliteEphemeris);
         dest.writeTypedList(mRealTimeIntegrityModels);
@@ -196,7 +201,7 @@ public final class BeidouAssistance implements Parcelable {
                             .setUtcModel(in.readTypedObject(UtcModel.CREATOR))
                             .setLeapSecondsModel(in.readTypedObject(LeapSecondsModel.CREATOR))
                             .setAuxiliaryInformation(
-                                    in.readTypedObject(AuxiliaryInformation.CREATOR))
+                                    in.createTypedArrayList(AuxiliaryInformation.CREATOR))
                             .setTimeModels(in.createTypedArrayList(TimeModel.CREATOR))
                             .setSatelliteEphemeris(
                                     in.createTypedArrayList(BeidouSatelliteEphemeris.CREATOR))
@@ -219,7 +224,7 @@ public final class BeidouAssistance implements Parcelable {
         private KlobucharIonosphericModel mIonosphericModel;
         private UtcModel mUtcModel;
         private LeapSecondsModel mLeapSecondsModel;
-        private AuxiliaryInformation mAuxiliaryInformation;
+        private List<AuxiliaryInformation> mAuxiliaryInformation;
         private List<TimeModel> mTimeModels;
         private List<BeidouSatelliteEphemeris> mSatelliteEphemeris;
         private List<RealTimeIntegrityModel> mRealTimeIntegrityModels;
@@ -253,10 +258,10 @@ public final class BeidouAssistance implements Parcelable {
             return this;
         }
 
-        /** Sets the auxiliary information. */
+        /** Sets the list of auxiliary informations. */
         @NonNull
         public Builder setAuxiliaryInformation(
-                @Nullable AuxiliaryInformation auxiliaryInformation) {
+                @NonNull List<AuxiliaryInformation> auxiliaryInformation) {
             mAuxiliaryInformation = auxiliaryInformation;
             return this;
         }
diff --git a/location/java/android/location/GalileoAssistance.java b/location/java/android/location/GalileoAssistance.java
index 7f81ccdf346f..f73ce400dd9d 100644
--- a/location/java/android/location/GalileoAssistance.java
+++ b/location/java/android/location/GalileoAssistance.java
@@ -50,8 +50,8 @@ public final class GalileoAssistance implements Parcelable {
     /** The leap seconds model. */
     @Nullable private final LeapSecondsModel mLeapSecondsModel;
 
-    /** The auxiliary information. */
-    @Nullable private final AuxiliaryInformation mAuxiliaryInformation;
+    /** The list of auxiliary informations. */
+    @NonNull private final List<AuxiliaryInformation> mAuxiliaryInformation;
 
     /** The list of time models. */
     @NonNull private final List<TimeModel> mTimeModels;
@@ -70,7 +70,12 @@ public final class GalileoAssistance implements Parcelable {
         mIonosphericModel = builder.mIonosphericModel;
         mUtcModel = builder.mUtcModel;
         mLeapSecondsModel = builder.mLeapSecondsModel;
-        mAuxiliaryInformation = builder.mAuxiliaryInformation;
+        if (builder.mAuxiliaryInformation != null) {
+            mAuxiliaryInformation =
+                    Collections.unmodifiableList(new ArrayList<>(builder.mAuxiliaryInformation));
+        } else {
+            mAuxiliaryInformation = new ArrayList<>();
+        }
         if (builder.mTimeModels != null) {
             mTimeModels = Collections.unmodifiableList(new ArrayList<>(builder.mTimeModels));
         } else {
@@ -120,9 +125,9 @@ public final class GalileoAssistance implements Parcelable {
         return mLeapSecondsModel;
     }
 
-    /** Returns the auxiliary information. */
-    @Nullable
-    public AuxiliaryInformation getAuxiliaryInformation() {
+    /** Returns the list of auxiliary informations. */
+    @NonNull
+    public List<AuxiliaryInformation> getAuxiliaryInformation() {
         return mAuxiliaryInformation;
     }
 
@@ -161,7 +166,7 @@ public final class GalileoAssistance implements Parcelable {
         dest.writeTypedObject(mIonosphericModel, flags);
         dest.writeTypedObject(mUtcModel, flags);
         dest.writeTypedObject(mLeapSecondsModel, flags);
-        dest.writeTypedObject(mAuxiliaryInformation, flags);
+        dest.writeTypedList(mAuxiliaryInformation);
         dest.writeTypedList(mTimeModels);
         dest.writeTypedList(mSatelliteEphemeris);
         dest.writeTypedList(mRealTimeIntegrityModels);
@@ -196,7 +201,7 @@ public final class GalileoAssistance implements Parcelable {
                             .setUtcModel(in.readTypedObject(UtcModel.CREATOR))
                             .setLeapSecondsModel(in.readTypedObject(LeapSecondsModel.CREATOR))
                             .setAuxiliaryInformation(
-                                    in.readTypedObject(AuxiliaryInformation.CREATOR))
+                                    in.createTypedArrayList(AuxiliaryInformation.CREATOR))
                             .setTimeModels(in.createTypedArrayList(TimeModel.CREATOR))
                             .setSatelliteEphemeris(
                                     in.createTypedArrayList(GalileoSatelliteEphemeris.CREATOR))
@@ -219,7 +224,7 @@ public final class GalileoAssistance implements Parcelable {
         private GalileoIonosphericModel mIonosphericModel;
         private UtcModel mUtcModel;
         private LeapSecondsModel mLeapSecondsModel;
-        private AuxiliaryInformation mAuxiliaryInformation;
+        private List<AuxiliaryInformation> mAuxiliaryInformation;
         private List<TimeModel> mTimeModels;
         private List<GalileoSatelliteEphemeris> mSatelliteEphemeris;
         private List<RealTimeIntegrityModel> mRealTimeIntegrityModels;
@@ -253,10 +258,10 @@ public final class GalileoAssistance implements Parcelable {
             return this;
         }
 
-        /** Sets the auxiliary information. */
+        /** Sets the list of auxiliary informations. */
         @NonNull
         public Builder setAuxiliaryInformation(
-                @Nullable AuxiliaryInformation auxiliaryInformation) {
+                @NonNull List<AuxiliaryInformation> auxiliaryInformation) {
             mAuxiliaryInformation = auxiliaryInformation;
             return this;
         }
diff --git a/location/java/android/location/GlonassAssistance.java b/location/java/android/location/GlonassAssistance.java
index c7ed1c52b403..8c5ddbb10a07 100644
--- a/location/java/android/location/GlonassAssistance.java
+++ b/location/java/android/location/GlonassAssistance.java
@@ -44,8 +44,8 @@ public final class GlonassAssistance implements Parcelable {
     /** The UTC model. */
     @Nullable private final UtcModel mUtcModel;
 
-    /** The auxiliary information. */
-    @Nullable private final AuxiliaryInformation mAuxiliaryInformation;
+    /** The list of auxiliary informations. */
+    @NonNull private final List<AuxiliaryInformation> mAuxiliaryInformation;
 
     /** The list of time models. */
     @NonNull private final List<TimeModel> mTimeModels;
@@ -56,10 +56,18 @@ public final class GlonassAssistance implements Parcelable {
     /** The list of Glonass satellite corrections. */
     @NonNull private final List<GnssSatelliteCorrections> mSatelliteCorrections;
 
+    /** The list of real time integrity models. */
+    @NonNull private final List<RealTimeIntegrityModel> mRealTimeIntegrityModels;
+
     private GlonassAssistance(Builder builder) {
         mAlmanac = builder.mAlmanac;
         mUtcModel = builder.mUtcModel;
-        mAuxiliaryInformation = builder.mAuxiliaryInformation;
+        if (builder.mAuxiliaryInformation != null) {
+            mAuxiliaryInformation =
+                    Collections.unmodifiableList(new ArrayList<>(builder.mAuxiliaryInformation));
+        } else {
+            mAuxiliaryInformation = new ArrayList<>();
+        }
         if (builder.mTimeModels != null) {
             mTimeModels = Collections.unmodifiableList(new ArrayList<>(builder.mTimeModels));
         } else {
@@ -77,6 +85,12 @@ public final class GlonassAssistance implements Parcelable {
         } else {
             mSatelliteCorrections = new ArrayList<>();
         }
+        if (builder.mRealTimeIntegrityModels != null) {
+            mRealTimeIntegrityModels =
+                    Collections.unmodifiableList(new ArrayList<>(builder.mRealTimeIntegrityModels));
+        } else {
+            mRealTimeIntegrityModels = new ArrayList<>();
+        }
     }
 
     /** Returns the Glonass almanac. */
@@ -109,9 +123,15 @@ public final class GlonassAssistance implements Parcelable {
         return mSatelliteCorrections;
     }
 
-    /** Returns the auxiliary information. */
-    @Nullable
-    public AuxiliaryInformation getAuxiliaryInformation() {
+    /** Returns the list of real time integrity models. */
+    @NonNull
+    public List<RealTimeIntegrityModel> getRealTimeIntegrityModels() {
+        return mRealTimeIntegrityModels;
+    }
+
+    /** Returns the list of auxiliary informations. */
+    @NonNull
+    public List<AuxiliaryInformation> getAuxiliaryInformation() {
         return mAuxiliaryInformation;
     }
 
@@ -124,10 +144,11 @@ public final class GlonassAssistance implements Parcelable {
     public void writeToParcel(@NonNull Parcel dest, int flags) {
         dest.writeTypedObject(mAlmanac, flags);
         dest.writeTypedObject(mUtcModel, flags);
-        dest.writeTypedObject(mAuxiliaryInformation, flags);
+        dest.writeTypedList(mAuxiliaryInformation);
         dest.writeTypedList(mTimeModels);
         dest.writeTypedList(mSatelliteEphemeris);
         dest.writeTypedList(mSatelliteCorrections);
+        dest.writeTypedList(mRealTimeIntegrityModels);
     }
 
     @Override
@@ -140,6 +161,7 @@ public final class GlonassAssistance implements Parcelable {
         builder.append(", timeModels = ").append(mTimeModels);
         builder.append(", satelliteEphemeris = ").append(mSatelliteEphemeris);
         builder.append(", satelliteCorrections = ").append(mSatelliteCorrections);
+        builder.append(", realTimeIntegrityModels = ").append(mRealTimeIntegrityModels);
         builder.append("]");
         return builder.toString();
     }
@@ -152,12 +174,14 @@ public final class GlonassAssistance implements Parcelable {
                             .setAlmanac(in.readTypedObject(GlonassAlmanac.CREATOR))
                             .setUtcModel(in.readTypedObject(UtcModel.CREATOR))
                             .setAuxiliaryInformation(
-                                    in.readTypedObject(AuxiliaryInformation.CREATOR))
+                                    in.createTypedArrayList(AuxiliaryInformation.CREATOR))
                             .setTimeModels(in.createTypedArrayList(TimeModel.CREATOR))
                             .setSatelliteEphemeris(
                                     in.createTypedArrayList(GlonassSatelliteEphemeris.CREATOR))
                             .setSatelliteCorrections(
                                     in.createTypedArrayList(GnssSatelliteCorrections.CREATOR))
+                            .setRealTimeIntegrityModels(
+                                    in.createTypedArrayList(RealTimeIntegrityModel.CREATOR))
                             .build();
                 }
 
@@ -171,10 +195,11 @@ public final class GlonassAssistance implements Parcelable {
     public static final class Builder {
         private GlonassAlmanac mAlmanac;
         private UtcModel mUtcModel;
-        private AuxiliaryInformation mAuxiliaryInformation;
+        private List<AuxiliaryInformation> mAuxiliaryInformation;
         private List<TimeModel> mTimeModels;
         private List<GlonassSatelliteEphemeris> mSatelliteEphemeris;
         private List<GnssSatelliteCorrections> mSatelliteCorrections;
+        private List<RealTimeIntegrityModel> mRealTimeIntegrityModels;
 
         /** Sets the Glonass almanac. */
         @NonNull
@@ -190,10 +215,10 @@ public final class GlonassAssistance implements Parcelable {
             return this;
         }
 
-        /** Sets the auxiliary information. */
+        /** Sets the list of auxiliary informations. */
         @NonNull
         public Builder setAuxiliaryInformation(
-                @Nullable AuxiliaryInformation auxiliaryInformation) {
+                @NonNull List<AuxiliaryInformation> auxiliaryInformation) {
             mAuxiliaryInformation = auxiliaryInformation;
             return this;
         }
@@ -221,6 +246,14 @@ public final class GlonassAssistance implements Parcelable {
             return this;
         }
 
+        /** Sets the list of real time integrity models. */
+        @NonNull
+        public Builder setRealTimeIntegrityModels(
+                @NonNull List<RealTimeIntegrityModel> realTimeIntegrityModels) {
+            mRealTimeIntegrityModels = realTimeIntegrityModels;
+            return this;
+        }
+
         /** Builds the {@link GlonassAssistance}. */
         @NonNull
         public GlonassAssistance build() {
diff --git a/location/java/android/location/GpsAssistance.java b/location/java/android/location/GpsAssistance.java
index 5a8802f057e2..45b13b2f97f6 100644
--- a/location/java/android/location/GpsAssistance.java
+++ b/location/java/android/location/GpsAssistance.java
@@ -51,8 +51,8 @@ public final class GpsAssistance implements Parcelable {
     /** The leap seconds model. */
     @Nullable private final LeapSecondsModel mLeapSecondsModel;
 
-    /** The auxiliary information. */
-    @Nullable private final AuxiliaryInformation mAuxiliaryInformation;
+    /** The list of auxiliary informations. */
+    @NonNull private final List<AuxiliaryInformation> mAuxiliaryInformation;
 
     /** The list of time models. */
     @NonNull private final List<TimeModel> mTimeModels;
@@ -71,7 +71,12 @@ public final class GpsAssistance implements Parcelable {
         mIonosphericModel = builder.mIonosphericModel;
         mUtcModel = builder.mUtcModel;
         mLeapSecondsModel = builder.mLeapSecondsModel;
-        mAuxiliaryInformation = builder.mAuxiliaryInformation;
+        if (builder.mAuxiliaryInformation != null) {
+            mAuxiliaryInformation =
+                    Collections.unmodifiableList(new ArrayList<>(builder.mAuxiliaryInformation));
+        } else {
+            mAuxiliaryInformation = new ArrayList<>();
+        }
         if (builder.mTimeModels != null) {
             mTimeModels = Collections.unmodifiableList(new ArrayList<>(builder.mTimeModels));
         } else {
@@ -121,9 +126,9 @@ public final class GpsAssistance implements Parcelable {
         return mLeapSecondsModel;
     }
 
-    /** Returns the auxiliary information. */
-    @Nullable
-    public AuxiliaryInformation getAuxiliaryInformation() {
+    /** Returns the list of auxiliary informations. */
+    @NonNull
+    public List<AuxiliaryInformation> getAuxiliaryInformation() {
         return mAuxiliaryInformation;
     }
 
@@ -163,7 +168,7 @@ public final class GpsAssistance implements Parcelable {
                             .setUtcModel(in.readTypedObject(UtcModel.CREATOR))
                             .setLeapSecondsModel(in.readTypedObject(LeapSecondsModel.CREATOR))
                             .setAuxiliaryInformation(
-                                    in.readTypedObject(AuxiliaryInformation.CREATOR))
+                                    in.createTypedArrayList(AuxiliaryInformation.CREATOR))
                             .setTimeModels(in.createTypedArrayList(TimeModel.CREATOR))
                             .setSatelliteEphemeris(
                                     in.createTypedArrayList(GpsSatelliteEphemeris.CREATOR))
@@ -191,7 +196,7 @@ public final class GpsAssistance implements Parcelable {
         dest.writeTypedObject(mIonosphericModel, flags);
         dest.writeTypedObject(mUtcModel, flags);
         dest.writeTypedObject(mLeapSecondsModel, flags);
-        dest.writeTypedObject(mAuxiliaryInformation, flags);
+        dest.writeTypedList(mAuxiliaryInformation);
         dest.writeTypedList(mTimeModels);
         dest.writeTypedList(mSatelliteEphemeris);
         dest.writeTypedList(mRealTimeIntegrityModels);
@@ -221,7 +226,7 @@ public final class GpsAssistance implements Parcelable {
         private KlobucharIonosphericModel mIonosphericModel;
         private UtcModel mUtcModel;
         private LeapSecondsModel mLeapSecondsModel;
-        private AuxiliaryInformation mAuxiliaryInformation;
+        private List<AuxiliaryInformation> mAuxiliaryInformation;
         private List<TimeModel> mTimeModels;
         private List<GpsSatelliteEphemeris> mSatelliteEphemeris;
         private List<RealTimeIntegrityModel> mRealTimeIntegrityModels;
@@ -256,10 +261,10 @@ public final class GpsAssistance implements Parcelable {
             return this;
         }
 
-        /** Sets the auxiliary information. */
+        /** Sets the list of auxiliary informations. */
         @NonNull
         public Builder setAuxiliaryInformation(
-                @Nullable AuxiliaryInformation auxiliaryInformation) {
+                @NonNull List<AuxiliaryInformation> auxiliaryInformation) {
             mAuxiliaryInformation = auxiliaryInformation;
             return this;
         }
diff --git a/location/java/android/location/QzssAssistance.java b/location/java/android/location/QzssAssistance.java
index 27c34370316e..75a267f2dd2a 100644
--- a/location/java/android/location/QzssAssistance.java
+++ b/location/java/android/location/QzssAssistance.java
@@ -50,8 +50,8 @@ public final class QzssAssistance implements Parcelable {
     /** The leap seconds model. */
     @Nullable private final LeapSecondsModel mLeapSecondsModel;
 
-    /** The auxiliary information. */
-    @Nullable private final AuxiliaryInformation mAuxiliaryInformation;
+    /** The list of auxiliary informations. */
+    @NonNull private final List<AuxiliaryInformation> mAuxiliaryInformation;
 
     /** The list of time models. */
     @NonNull private final List<TimeModel> mTimeModels;
@@ -70,7 +70,12 @@ public final class QzssAssistance implements Parcelable {
         mIonosphericModel = builder.mIonosphericModel;
         mUtcModel = builder.mUtcModel;
         mLeapSecondsModel = builder.mLeapSecondsModel;
-        mAuxiliaryInformation = builder.mAuxiliaryInformation;
+        if (builder.mAuxiliaryInformation != null) {
+            mAuxiliaryInformation =
+                    Collections.unmodifiableList(new ArrayList<>(builder.mAuxiliaryInformation));
+        } else {
+            mAuxiliaryInformation = new ArrayList<>();
+        }
         if (builder.mTimeModels != null) {
             mTimeModels = Collections.unmodifiableList(new ArrayList<>(builder.mTimeModels));
         } else {
@@ -120,9 +125,9 @@ public final class QzssAssistance implements Parcelable {
         return mLeapSecondsModel;
     }
 
-    /** Returns the auxiliary information. */
-    @Nullable
-    public AuxiliaryInformation getAuxiliaryInformation() {
+    /** Returns the list of auxiliary informations. */
+    @NonNull
+    public List<AuxiliaryInformation> getAuxiliaryInformation() {
         return mAuxiliaryInformation;
     }
 
@@ -162,7 +167,7 @@ public final class QzssAssistance implements Parcelable {
                             .setUtcModel(in.readTypedObject(UtcModel.CREATOR))
                             .setLeapSecondsModel(in.readTypedObject(LeapSecondsModel.CREATOR))
                             .setAuxiliaryInformation(
-                                    in.readTypedObject(AuxiliaryInformation.CREATOR))
+                                    in.createTypedArrayList(AuxiliaryInformation.CREATOR))
                             .setTimeModels(in.createTypedArrayList(TimeModel.CREATOR))
                             .setSatelliteEphemeris(
                                     in.createTypedArrayList(QzssSatelliteEphemeris.CREATOR))
@@ -190,7 +195,7 @@ public final class QzssAssistance implements Parcelable {
         dest.writeTypedObject(mIonosphericModel, flags);
         dest.writeTypedObject(mUtcModel, flags);
         dest.writeTypedObject(mLeapSecondsModel, flags);
-        dest.writeTypedObject(mAuxiliaryInformation, flags);
+        dest.writeTypedList(mAuxiliaryInformation);
         dest.writeTypedList(mTimeModels);
         dest.writeTypedList(mSatelliteEphemeris);
         dest.writeTypedList(mRealTimeIntegrityModels);
@@ -220,7 +225,7 @@ public final class QzssAssistance implements Parcelable {
         private KlobucharIonosphericModel mIonosphericModel;
         private UtcModel mUtcModel;
         private LeapSecondsModel mLeapSecondsModel;
-        private AuxiliaryInformation mAuxiliaryInformation;
+        private List<AuxiliaryInformation> mAuxiliaryInformation;
         private List<TimeModel> mTimeModels;
         private List<QzssSatelliteEphemeris> mSatelliteEphemeris;
         private List<RealTimeIntegrityModel> mRealTimeIntegrityModels;
@@ -254,10 +259,10 @@ public final class QzssAssistance implements Parcelable {
             return this;
         }
 
-        /** Sets the auxiliary information. */
+        /** Sets the list of auxiliary informations. */
         @NonNull
         public Builder setAuxiliaryInformation(
-                @Nullable AuxiliaryInformation auxiliaryInformation) {
+                @NonNull List<AuxiliaryInformation> auxiliaryInformation) {
             mAuxiliaryInformation = auxiliaryInformation;
             return this;
         }