core/jni/android_location_GpsLocationProvider.cpp - platform/frameworks/base - Gitiles

 /*
  * Copyright (C) 2008 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.
  */

 #define LOG_TAG "GpsLocationProvider"

 #include "JNIHelp.h"
 #include "jni.h"
 #include "hardware_legacy/gps.h"
 #include "utils/Log.h"
 #include "utils/misc.h"

 #include <string.h>
 #include <pthread.h>


 static pthread_mutex_t sEventMutex = PTHREAD_MUTEX_INITIALIZER;
 static pthread_cond_t sEventCond = PTHREAD_COND_INITIALIZER;
 static jmethodID method_reportLocation;
 static jmethodID method_reportStatus;
 static jmethodID method_reportSvStatus;
 static jmethodID method_xtraDownloadRequest;

 static const GpsInterface* sGpsInterface = NULL;
 static const GpsXtraInterface* sGpsXtraInterface = NULL;

 // data written to by GPS callbacks
 static GpsLocation  sGpsLocation;
 static GpsStatus    sGpsStatus;
 static GpsSvStatus  sGpsSvStatus;

 // a copy of the data shared by android_location_GpsLocationProvider_wait_for_event
 // and android_location_GpsLocationProvider_read_status
 static GpsLocation  sGpsLocationCopy;
 static GpsStatus    sGpsStatusCopy;
 static GpsSvStatus  sGpsSvStatusCopy;

 enum CallbackType {
     kLocation = 1,
     kStatus = 2,
     kSvStatus = 4,
     kXtraDownloadRequest = 8,
     kDisableRequest = 16,
 };
 static int sPendingCallbacks;

 namespace android {

 static void location_callback(GpsLocation* location)
 {
     pthread_mutex_lock(&sEventMutex);

     sPendingCallbacks |= kLocation;
     memcpy(&sGpsLocation, location, sizeof(sGpsLocation));

     pthread_cond_signal(&sEventCond);
     pthread_mutex_unlock(&sEventMutex);
 }

 static void status_callback(GpsStatus* status)
 {
     pthread_mutex_lock(&sEventMutex);

     sPendingCallbacks |= kStatus;
     memcpy(&sGpsStatus, status, sizeof(sGpsStatus));

     pthread_cond_signal(&sEventCond);
     pthread_mutex_unlock(&sEventMutex);
 }

 static void sv_status_callback(GpsSvStatus* sv_status)
 {
     pthread_mutex_lock(&sEventMutex);

     sPendingCallbacks |= kSvStatus;
     memcpy(&sGpsSvStatus, sv_status, sizeof(GpsSvStatus));

     pthread_cond_signal(&sEventCond);
     pthread_mutex_unlock(&sEventMutex);
 }

 GpsCallbacks sGpsCallbacks = {
     location_callback,
     status_callback,
     sv_status_callback,
 };

 static void
 download_request_callback()
 {
     pthread_mutex_lock(&sEventMutex);
     sPendingCallbacks |= kXtraDownloadRequest;
     pthread_cond_signal(&sEventCond);
     pthread_mutex_unlock(&sEventMutex);
 }

 GpsXtraCallbacks sGpsXtraCallbacks = {
     download_request_callback,
 };


 static void android_location_GpsLocationProvider_class_init_native(JNIEnv* env, jclass clazz) {
     method_reportLocation = env->GetMethodID(clazz, "reportLocation", "(IDDDFFFJ)V");
     method_reportStatus = env->GetMethodID(clazz, "reportStatus", "(I)V");
     method_reportSvStatus = env->GetMethodID(clazz, "reportSvStatus", "()V");
     method_xtraDownloadRequest = env->GetMethodID(clazz, "xtraDownloadRequest", "()V");
 }

 static jboolean android_location_GpsLocationProvider_is_supported(JNIEnv* env, jclass clazz) {
     if (!sGpsInterface)
         sGpsInterface = gps_get_interface();
     return (sGpsInterface != NULL);
 }

 static jboolean android_location_GpsLocationProvider_init(JNIEnv* env, jobject obj)
 {
     if (!sGpsInterface)
         sGpsInterface = gps_get_interface();
     return (sGpsInterface && sGpsInterface->init(&sGpsCallbacks) == 0);
 }

 static void android_location_GpsLocationProvider_disable(JNIEnv* env, jobject obj)
 {
     pthread_mutex_lock(&sEventMutex);
     sPendingCallbacks |= kDisableRequest;
     pthread_cond_signal(&sEventCond);
     pthread_mutex_unlock(&sEventMutex);
 }

 static void android_location_GpsLocationProvider_cleanup(JNIEnv* env, jobject obj)
 {
     sGpsInterface->cleanup();
 }

 static jboolean android_location_GpsLocationProvider_start(JNIEnv* env, jobject obj, jboolean singleFix, jint fixFrequency)
 {
     int result = sGpsInterface->set_position_mode(GPS_POSITION_MODE_STANDALONE, (singleFix ? 0 : fixFrequency));
     if (result) {
         return result;
     }

     return (sGpsInterface->start() == 0);
 }

 static jboolean android_location_GpsLocationProvider_stop(JNIEnv* env, jobject obj)
 {
     return (sGpsInterface->stop() == 0);
 }

 static void android_location_GpsLocationProvider_set_fix_frequency(JNIEnv* env, jobject obj, jint fixFrequency)
 {
     if (sGpsInterface->set_fix_frequency)
         sGpsInterface->set_fix_frequency(fixFrequency);
 }

 static void android_location_GpsLocationProvider_delete_aiding_data(JNIEnv* env, jobject obj, jint flags)
 {
     sGpsInterface->delete_aiding_data(flags);
 }

 static void android_location_GpsLocationProvider_wait_for_event(JNIEnv* env, jobject obj)
 {
     pthread_mutex_lock(&sEventMutex);
     pthread_cond_wait(&sEventCond, &sEventMutex);

     // copy and clear the callback flags
     int pendingCallbacks = sPendingCallbacks;
     sPendingCallbacks = 0;

     // copy everything and unlock the mutex before calling into Java code to avoid the possibility
     // of timeouts in the GPS engine.
     memcpy(&sGpsLocationCopy, &sGpsLocation, sizeof(sGpsLocationCopy));
     memcpy(&sGpsStatusCopy, &sGpsStatus, sizeof(sGpsStatusCopy));
     memcpy(&sGpsSvStatusCopy, &sGpsSvStatus, sizeof(sGpsSvStatusCopy));
     pthread_mutex_unlock(&sEventMutex);

     if (pendingCallbacks & kLocation) {
         env->CallVoidMethod(obj, method_reportLocation, sGpsLocationCopy.flags,
                 (jdouble)sGpsLocationCopy.latitude, (jdouble)sGpsLocationCopy.longitude,
                 (jdouble)sGpsLocationCopy.altitude,
                 (jfloat)sGpsLocationCopy.speed, (jfloat)sGpsLocationCopy.bearing,
                 (jfloat)sGpsLocationCopy.accuracy, (jlong)sGpsLocationCopy.timestamp);
     }
     if (pendingCallbacks & kStatus) {
         env->CallVoidMethod(obj, method_reportStatus, sGpsStatusCopy.status);
     }
     if (pendingCallbacks & kSvStatus) {
         env->CallVoidMethod(obj, method_reportSvStatus);
     }
     if (pendingCallbacks & kXtraDownloadRequest) {
         env->CallVoidMethod(obj, method_xtraDownloadRequest);
     }
     if (pendingCallbacks & kDisableRequest) {
         // don't need to do anything - we are just poking so wait_for_event will return.
     }
 }

 static jint android_location_GpsLocationProvider_read_sv_status(JNIEnv* env, jobject obj,
         jintArray prnArray, jfloatArray snrArray, jfloatArray elevArray, jfloatArray azumArray,
         jintArray maskArray)
 {
     // this should only be called from within a call to reportStatus, so we don't need to lock here

     jint* prns = env->GetIntArrayElements(prnArray, 0);
     jfloat* snrs = env->GetFloatArrayElements(snrArray, 0);
     jfloat* elev = env->GetFloatArrayElements(elevArray, 0);
     jfloat* azim = env->GetFloatArrayElements(azumArray, 0);
     jint* mask = env->GetIntArrayElements(maskArray, 0);

     int num_svs = sGpsSvStatusCopy.num_svs;
     for (int i = 0; i < num_svs; i++) {
         prns[i] = sGpsSvStatusCopy.sv_list[i].prn;
         snrs[i] = sGpsSvStatusCopy.sv_list[i].snr;
         elev[i] = sGpsSvStatusCopy.sv_list[i].elevation;
         azim[i] = sGpsSvStatusCopy.sv_list[i].azimuth;
     }
     mask[0] = sGpsSvStatusCopy.ephemeris_mask;
     mask[1] = sGpsSvStatusCopy.almanac_mask;
     mask[2] = sGpsSvStatusCopy.used_in_fix_mask;

     env->ReleaseIntArrayElements(prnArray, prns, 0);
     env->ReleaseFloatArrayElements(snrArray, snrs, 0);
     env->ReleaseFloatArrayElements(elevArray, elev, 0);
     env->ReleaseFloatArrayElements(azumArray, azim, 0);
     env->ReleaseIntArrayElements(maskArray, mask, 0);
     return num_svs;
 }

 static void android_location_GpsLocationProvider_inject_time(JNIEnv* env, jobject obj, jlong time,
         jlong timeReference, jint uncertainty)
 {
     sGpsInterface->inject_time(time, timeReference, uncertainty);
 }

 static jboolean android_location_GpsLocationProvider_supports_xtra(JNIEnv* env, jobject obj)
 {
     if (!sGpsXtraInterface) {
         sGpsXtraInterface = (const GpsXtraInterface*)sGpsInterface->get_extension(GPS_XTRA_INTERFACE);
         if (sGpsXtraInterface) {
             int result = sGpsXtraInterface->init(&sGpsXtraCallbacks);
             if (result) {
                 sGpsXtraInterface = NULL;
             }
         }
     }

     return (sGpsXtraInterface != NULL);
 }

 static void android_location_GpsLocationProvider_inject_xtra_data(JNIEnv* env, jobject obj,
         jbyteArray data, jint length)
 {
     jbyte* bytes = env->GetByteArrayElements(data, 0);
     sGpsXtraInterface->inject_xtra_data((char *)bytes, length);
     env->ReleaseByteArrayElements(data, bytes, 0);
 }

 static JNINativeMethod sMethods[] = {
      /* name, signature, funcPtr */
     {"class_init_native", "()V", (void *)android_location_GpsLocationProvider_class_init_native},
 	{"native_is_supported", "()Z", (void*)android_location_GpsLocationProvider_is_supported},
 	{"native_init", "()Z", (void*)android_location_GpsLocationProvider_init},
 	{"native_disable", "()V", (void*)android_location_GpsLocationProvider_disable},
 	{"native_cleanup", "()V", (void*)android_location_GpsLocationProvider_cleanup},
 	{"native_start", "(ZI)Z", (void*)android_location_GpsLocationProvider_start},
 	{"native_stop", "()Z", (void*)android_location_GpsLocationProvider_stop},
 	{"native_set_fix_frequency", "(I)V", (void*)android_location_GpsLocationProvider_set_fix_frequency},
 	{"native_delete_aiding_data", "(I)V", (void*)android_location_GpsLocationProvider_delete_aiding_data},
 	{"native_wait_for_event", "()V", (void*)android_location_GpsLocationProvider_wait_for_event},
 	{"native_read_sv_status", "([I[F[F[F[I)I", (void*)android_location_GpsLocationProvider_read_sv_status},
 	{"native_inject_time", "(JJI)V", (void*)android_location_GpsLocationProvider_inject_time},
 	{"native_supports_xtra", "()Z", (void*)android_location_GpsLocationProvider_supports_xtra},
 	{"native_inject_xtra_data", "([BI)V", (void*)android_location_GpsLocationProvider_inject_xtra_data},
 };

 int register_android_location_GpsLocationProvider(JNIEnv* env)
 {
     return jniRegisterNativeMethods(env, "com/android/internal/location/GpsLocationProvider", sMethods, NELEM(sMethods));
 }

 } /* namespace android */
	/*
	* Copyright (C) 2008 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.
	*/

	#define LOG_TAG "GpsLocationProvider"

	#include "JNIHelp.h"
	#include "jni.h"
	#include "hardware_legacy/gps.h"
	#include "utils/Log.h"
	#include "utils/misc.h"

	#include <string.h>
	#include <pthread.h>


	static pthread_mutex_t sEventMutex = PTHREAD_MUTEX_INITIALIZER;
	static pthread_cond_t sEventCond = PTHREAD_COND_INITIALIZER;
	static jmethodID method_reportLocation;
	static jmethodID method_reportStatus;
	static jmethodID method_reportSvStatus;
	static jmethodID method_xtraDownloadRequest;

	static const GpsInterface* sGpsInterface = NULL;
	static const GpsXtraInterface* sGpsXtraInterface = NULL;

	// data written to by GPS callbacks
	static GpsLocation sGpsLocation;
	static GpsStatus sGpsStatus;
	static GpsSvStatus sGpsSvStatus;

	// a copy of the data shared by android_location_GpsLocationProvider_wait_for_event
	// and android_location_GpsLocationProvider_read_status
	static GpsLocation sGpsLocationCopy;
	static GpsStatus sGpsStatusCopy;
	static GpsSvStatus sGpsSvStatusCopy;

	enum CallbackType {
	kLocation = 1,
	kStatus = 2,
	kSvStatus = 4,
	kXtraDownloadRequest = 8,
	kDisableRequest = 16,
	};
	static int sPendingCallbacks;

	namespace android {

	static void location_callback(GpsLocation* location)
	{
	pthread_mutex_lock(&sEventMutex);

	sPendingCallbacks \|= kLocation;
	memcpy(&sGpsLocation, location, sizeof(sGpsLocation));

	pthread_cond_signal(&sEventCond);
	pthread_mutex_unlock(&sEventMutex);
	}

	static void status_callback(GpsStatus* status)
	{
	pthread_mutex_lock(&sEventMutex);

	sPendingCallbacks \|= kStatus;
	memcpy(&sGpsStatus, status, sizeof(sGpsStatus));

	pthread_cond_signal(&sEventCond);
	pthread_mutex_unlock(&sEventMutex);
	}

	static void sv_status_callback(GpsSvStatus* sv_status)
	{
	pthread_mutex_lock(&sEventMutex);

	sPendingCallbacks \|= kSvStatus;
	memcpy(&sGpsSvStatus, sv_status, sizeof(GpsSvStatus));

	pthread_cond_signal(&sEventCond);
	pthread_mutex_unlock(&sEventMutex);
	}

	GpsCallbacks sGpsCallbacks = {
	location_callback,
	status_callback,
	sv_status_callback,
	};

	static void
	download_request_callback()
	{
	pthread_mutex_lock(&sEventMutex);
	sPendingCallbacks \|= kXtraDownloadRequest;
	pthread_cond_signal(&sEventCond);
	pthread_mutex_unlock(&sEventMutex);
	}

	GpsXtraCallbacks sGpsXtraCallbacks = {
	download_request_callback,
	};


	static void android_location_GpsLocationProvider_class_init_native(JNIEnv* env, jclass clazz) {
	method_reportLocation = env->GetMethodID(clazz, "reportLocation", "(IDDDFFFJ)V");
	method_reportStatus = env->GetMethodID(clazz, "reportStatus", "(I)V");
	method_reportSvStatus = env->GetMethodID(clazz, "reportSvStatus", "()V");
	method_xtraDownloadRequest = env->GetMethodID(clazz, "xtraDownloadRequest", "()V");
	}

	static jboolean android_location_GpsLocationProvider_is_supported(JNIEnv* env, jclass clazz) {
	if (!sGpsInterface)
	sGpsInterface = gps_get_interface();
	return (sGpsInterface != NULL);
	}

	static jboolean android_location_GpsLocationProvider_init(JNIEnv* env, jobject obj)
	{
	if (!sGpsInterface)
	sGpsInterface = gps_get_interface();
	return (sGpsInterface && sGpsInterface->init(&sGpsCallbacks) == 0);
	}

	static void android_location_GpsLocationProvider_disable(JNIEnv* env, jobject obj)
	{
	pthread_mutex_lock(&sEventMutex);
	sPendingCallbacks \|= kDisableRequest;
	pthread_cond_signal(&sEventCond);
	pthread_mutex_unlock(&sEventMutex);
	}

	static void android_location_GpsLocationProvider_cleanup(JNIEnv* env, jobject obj)
	{
	sGpsInterface->cleanup();
	}

	static jboolean android_location_GpsLocationProvider_start(JNIEnv* env, jobject obj, jboolean singleFix, jint fixFrequency)
	{
	int result = sGpsInterface->set_position_mode(GPS_POSITION_MODE_STANDALONE, (singleFix ? 0 : fixFrequency));
	if (result) {
	return result;
	}

	return (sGpsInterface->start() == 0);
	}

	static jboolean android_location_GpsLocationProvider_stop(JNIEnv* env, jobject obj)
	{
	return (sGpsInterface->stop() == 0);
	}

	static void android_location_GpsLocationProvider_set_fix_frequency(JNIEnv* env, jobject obj, jint fixFrequency)
	{
	if (sGpsInterface->set_fix_frequency)
	sGpsInterface->set_fix_frequency(fixFrequency);
	}

	static void android_location_GpsLocationProvider_delete_aiding_data(JNIEnv* env, jobject obj, jint flags)
	{
	sGpsInterface->delete_aiding_data(flags);
	}

	static void android_location_GpsLocationProvider_wait_for_event(JNIEnv* env, jobject obj)
	{
	pthread_mutex_lock(&sEventMutex);
	pthread_cond_wait(&sEventCond, &sEventMutex);

	// copy and clear the callback flags
	int pendingCallbacks = sPendingCallbacks;
	sPendingCallbacks = 0;

	// copy everything and unlock the mutex before calling into Java code to avoid the possibility
	// of timeouts in the GPS engine.
	memcpy(&sGpsLocationCopy, &sGpsLocation, sizeof(sGpsLocationCopy));
	memcpy(&sGpsStatusCopy, &sGpsStatus, sizeof(sGpsStatusCopy));
	memcpy(&sGpsSvStatusCopy, &sGpsSvStatus, sizeof(sGpsSvStatusCopy));
	pthread_mutex_unlock(&sEventMutex);

	if (pendingCallbacks & kLocation) {
	env->CallVoidMethod(obj, method_reportLocation, sGpsLocationCopy.flags,
	(jdouble)sGpsLocationCopy.latitude, (jdouble)sGpsLocationCopy.longitude,
	(jdouble)sGpsLocationCopy.altitude,
	(jfloat)sGpsLocationCopy.speed, (jfloat)sGpsLocationCopy.bearing,
	(jfloat)sGpsLocationCopy.accuracy, (jlong)sGpsLocationCopy.timestamp);
	}
	if (pendingCallbacks & kStatus) {
	env->CallVoidMethod(obj, method_reportStatus, sGpsStatusCopy.status);
	}
	if (pendingCallbacks & kSvStatus) {
	env->CallVoidMethod(obj, method_reportSvStatus);
	}
	if (pendingCallbacks & kXtraDownloadRequest) {
	env->CallVoidMethod(obj, method_xtraDownloadRequest);
	}
	if (pendingCallbacks & kDisableRequest) {
	// don't need to do anything - we are just poking so wait_for_event will return.
	}
	}

	static jint android_location_GpsLocationProvider_read_sv_status(JNIEnv* env, jobject obj,
	jintArray prnArray, jfloatArray snrArray, jfloatArray elevArray, jfloatArray azumArray,
	jintArray maskArray)
	{
	// this should only be called from within a call to reportStatus, so we don't need to lock here

	jint* prns = env->GetIntArrayElements(prnArray, 0);
	jfloat* snrs = env->GetFloatArrayElements(snrArray, 0);
	jfloat* elev = env->GetFloatArrayElements(elevArray, 0);
	jfloat* azim = env->GetFloatArrayElements(azumArray, 0);
	jint* mask = env->GetIntArrayElements(maskArray, 0);

	int num_svs = sGpsSvStatusCopy.num_svs;
	for (int i = 0; i < num_svs; i++) {
	prns[i] = sGpsSvStatusCopy.sv_list[i].prn;
	snrs[i] = sGpsSvStatusCopy.sv_list[i].snr;
	elev[i] = sGpsSvStatusCopy.sv_list[i].elevation;
	azim[i] = sGpsSvStatusCopy.sv_list[i].azimuth;
	}
	mask[0] = sGpsSvStatusCopy.ephemeris_mask;
	mask[1] = sGpsSvStatusCopy.almanac_mask;
	mask[2] = sGpsSvStatusCopy.used_in_fix_mask;

	env->ReleaseIntArrayElements(prnArray, prns, 0);
	env->ReleaseFloatArrayElements(snrArray, snrs, 0);
	env->ReleaseFloatArrayElements(elevArray, elev, 0);
	env->ReleaseFloatArrayElements(azumArray, azim, 0);
	env->ReleaseIntArrayElements(maskArray, mask, 0);
	return num_svs;
	}

	static void android_location_GpsLocationProvider_inject_time(JNIEnv* env, jobject obj, jlong time,
	jlong timeReference, jint uncertainty)
	{
	sGpsInterface->inject_time(time, timeReference, uncertainty);
	}

	static jboolean android_location_GpsLocationProvider_supports_xtra(JNIEnv* env, jobject obj)
	{
	if (!sGpsXtraInterface) {
	sGpsXtraInterface = (const GpsXtraInterface*)sGpsInterface->get_extension(GPS_XTRA_INTERFACE);
	if (sGpsXtraInterface) {
	int result = sGpsXtraInterface->init(&sGpsXtraCallbacks);
	if (result) {
	sGpsXtraInterface = NULL;
	}
	}
	}

	return (sGpsXtraInterface != NULL);
	}

	static void android_location_GpsLocationProvider_inject_xtra_data(JNIEnv* env, jobject obj,
	jbyteArray data, jint length)
	{
	jbyte* bytes = env->GetByteArrayElements(data, 0);
	sGpsXtraInterface->inject_xtra_data((char *)bytes, length);
	env->ReleaseByteArrayElements(data, bytes, 0);
	}

	static JNINativeMethod sMethods[] = {
	/* name, signature, funcPtr */
	{"class_init_native", "()V", (void *)android_location_GpsLocationProvider_class_init_native},
	{"native_is_supported", "()Z", (void*)android_location_GpsLocationProvider_is_supported},
	{"native_init", "()Z", (void*)android_location_GpsLocationProvider_init},
	{"native_disable", "()V", (void*)android_location_GpsLocationProvider_disable},
	{"native_cleanup", "()V", (void*)android_location_GpsLocationProvider_cleanup},
	{"native_start", "(ZI)Z", (void*)android_location_GpsLocationProvider_start},
	{"native_stop", "()Z", (void*)android_location_GpsLocationProvider_stop},
	{"native_set_fix_frequency", "(I)V", (void*)android_location_GpsLocationProvider_set_fix_frequency},
	{"native_delete_aiding_data", "(I)V", (void*)android_location_GpsLocationProvider_delete_aiding_data},
	{"native_wait_for_event", "()V", (void*)android_location_GpsLocationProvider_wait_for_event},
	{"native_read_sv_status", "([I[F[F[F[I)I", (void*)android_location_GpsLocationProvider_read_sv_status},
	{"native_inject_time", "(JJI)V", (void*)android_location_GpsLocationProvider_inject_time},
	{"native_supports_xtra", "()Z", (void*)android_location_GpsLocationProvider_supports_xtra},
	{"native_inject_xtra_data", "([BI)V", (void*)android_location_GpsLocationProvider_inject_xtra_data},
	};

	int register_android_location_GpsLocationProvider(JNIEnv* env)
	{
	return jniRegisterNativeMethods(env, "com/android/internal/location/GpsLocationProvider", sMethods, NELEM(sMethods));
	}

	} /* namespace android */