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diff --git a/gps/android/Gnss.h b/gps/android/Gnss.h
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+/*
+ * Copyright (c) 2017, The Linux Foundation. All rights reserved.
+ * Not a Contribution
+ */
+/*
+ * Copyright (C) 2016 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.
+ */
+
+#ifndef ANDROID_HARDWARE_GNSS_V1_1_GNSS_H
+#define ANDROID_HARDWARE_GNSS_V1_1_GNSS_H
+
+#include <AGnss.h>
+#include <AGnssRil.h>
+#include <GnssBatching.h>
+#include <GnssConfiguration.h>
+#include <GnssGeofencing.h>
+#include <GnssMeasurement.h>
+#include <GnssNi.h>
+#include <GnssDebug.h>
+
+#include <android/hardware/gnss/1.0/IGnss.h>
+#include <hidl/Status.h>
+
+#include <GnssAPIClient.h>
+#include <location_interface.h>
+
+namespace android {
+namespace hardware {
+namespace gnss {
+namespace V1_0 {
+namespace implementation {
+
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::hidl_string;
+using ::android::sp;
+
+struct Gnss : public IGnss {
+    Gnss();
+    ~Gnss();
+
+    // registerAsService will call interfaceChain to determine the version of service
+    /* comment this out until we know really how to manipulate hidl version
+    using interfaceChain_cb = std::function<
+        void(const ::android::hardware::hidl_vec<::android::hardware::hidl_string>& descriptors)>;
+    virtual ::android::hardware::Return<void> interfaceChain(interfaceChain_cb _hidl_cb) override {
+        _hidl_cb({
+                "android.hardware.gnss@1.1::IGnss",
+                ::android::hidl::base::V1_0::IBase::descriptor,
+                });
+        return ::android::hardware::Void();
+    }
+    */
+
+    /*
+     * Methods from ::android::hardware::gnss::V1_0::IGnss follow.
+     * These declarations were generated from Gnss.hal.
+     */
+    Return<bool> setCallback(const sp<IGnssCallback>& callback)  override;
+    Return<bool> start()  override;
+    Return<bool> stop()  override;
+    Return<void> cleanup()  override;
+    Return<bool> injectLocation(double latitudeDegrees,
+                                double longitudeDegrees,
+                                float accuracyMeters)  override;
+    Return<bool> injectTime(int64_t timeMs,
+                            int64_t timeReferenceMs,
+                            int32_t uncertaintyMs) override;
+    Return<void> deleteAidingData(IGnss::GnssAidingData aidingDataFlags)  override;
+    Return<bool> setPositionMode(IGnss::GnssPositionMode mode,
+                                 IGnss::GnssPositionRecurrence recurrence,
+                                 uint32_t minIntervalMs,
+                                 uint32_t preferredAccuracyMeters,
+                                 uint32_t preferredTimeMs)  override;
+    Return<sp<IAGnss>> getExtensionAGnss() override;
+    Return<sp<IGnssNi>> getExtensionGnssNi() override;
+    Return<sp<IGnssMeasurement>> getExtensionGnssMeasurement() override;
+    Return<sp<IGnssConfiguration>> getExtensionGnssConfiguration() override;
+    Return<sp<IGnssGeofencing>> getExtensionGnssGeofencing() override;
+    Return<sp<IGnssBatching>> getExtensionGnssBatching() override;
+
+    Return<sp<IAGnssRil>> getExtensionAGnssRil() override;
+
+    inline Return<sp<IGnssNavigationMessage>> getExtensionGnssNavigationMessage() override {
+        return nullptr;
+    }
+
+    inline Return<sp<IGnssXtra>> getExtensionXtra() override {
+        return nullptr;
+    }
+
+    Return<sp<IGnssDebug>> getExtensionGnssDebug() override;
+
+    // These methods are not part of the IGnss base class.
+    GnssAPIClient* getApi();
+    Return<bool> setGnssNiCb(const sp<IGnssNiCallback>& niCb);
+    Return<bool> updateConfiguration(GnssConfig& gnssConfig);
+    GnssInterface* getGnssInterface();
+
+ private:
+    struct GnssDeathRecipient : hidl_death_recipient {
+        GnssDeathRecipient(sp<Gnss> gnss) : mGnss(gnss) {
+        }
+        ~GnssDeathRecipient() = default;
+        virtual void serviceDied(uint64_t cookie, const wp<IBase>& who) override;
+        sp<Gnss> mGnss;
+    };
+
+ private:
+    sp<GnssDeathRecipient> mGnssDeathRecipient = nullptr;
+
+    sp<AGnss> mAGnssIface = nullptr;
+    sp<GnssNi> mGnssNi = nullptr;
+    sp<GnssMeasurement> mGnssMeasurement = nullptr;
+    sp<GnssConfiguration> mGnssConfig = nullptr;
+    sp<GnssGeofencing> mGnssGeofencingIface = nullptr;
+    sp<GnssBatching> mGnssBatching = nullptr;
+    sp<IGnssDebug> mGnssDebug = nullptr;
+    sp<AGnssRil> mGnssRil = nullptr;
+
+    GnssAPIClient* mApi = nullptr;
+    sp<IGnssCallback> mGnssCbIface = nullptr;
+    sp<IGnssNiCallback> mGnssNiCbIface = nullptr;
+    GnssConfig mPendingConfig;
+    GnssInterface* mGnssInterface = nullptr;
+};
+
+extern "C" IGnss* HIDL_FETCH_IGnss(const char* name);
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace gnss
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_GNSS_V1_1_GNSS_H