/*
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* Copyright 2014, The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "ActivityRecognitionHardware"
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#include <jni.h>
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#include <nativehelper/JNIHelp.h>
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#include <android_runtime/AndroidRuntime.h>
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#include <android_runtime/Log.h>
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// #include <hardware/activity_recognition.h>
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// The activity recognition HAL is being deprecated. This means -
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// i) Android framework code shall not depend on activity recognition
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// being provided through the activity_recognition.h interface.
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// ii) activity recognition HAL will not be binderized as the other HALs.
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//
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/**
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* Initializes the ActivityRecognitionHardware class from the native side.
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*/
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static void class_init(JNIEnv* /*env*/, jclass /*clazz*/) {
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ALOGE("activity_recognition HAL is deprecated. %s is effectively a no-op",
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__FUNCTION__);
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}
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/**
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* Initializes and connect the callbacks handlers in the HAL.
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*/
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static void initialize(JNIEnv* /*env*/, jobject /*obj*/) {
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ALOGE("activity_recognition HAL is deprecated. %s is effectively a no-op",
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__FUNCTION__);
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}
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/**
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* De-initializes the ActivityRecognitionHardware from the native side.
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*/
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static void release(JNIEnv* /*env*/, jobject /*obj*/) {
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ALOGE("activity_recognition HAL is deprecated. %s is effectively a no-op",
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__FUNCTION__);
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}
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/**
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* Returns true if ActivityRecognition HAL is supported, false otherwise.
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*/
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static jboolean is_supported(JNIEnv* /*env*/, jclass /*clazz*/) {
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ALOGE("activity_recognition HAL is deprecated. %s is effectively a no-op",
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__FUNCTION__);
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return JNI_FALSE;
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}
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/**
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* Gets an array representing the supported activities.
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*/
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static jobjectArray get_supported_activities(JNIEnv* /*env*/, jobject /*obj*/) {
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ALOGE("activity_recognition HAL is deprecated. %s is effectively a no-op",
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__FUNCTION__);
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return NULL;
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}
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/**
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* Enables a given activity event to be actively monitored.
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*/
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static int enable_activity_event(
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JNIEnv* /*env*/,
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jobject /*obj*/,
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jint /*activity_handle*/,
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jint /*event_type*/,
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jlong /*report_latency_ns*/) {
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ALOGE("activity_recognition HAL is deprecated. %s is effectively a no-op",
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__FUNCTION__);
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return android::NO_INIT;
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}
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/**
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* Disables a given activity event from being actively monitored.
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*/
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static int disable_activity_event(
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JNIEnv* /*env*/,
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jobject /*obj*/,
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jint /*activity_handle*/,
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jint /*event_type*/) {
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ALOGE("activity_recognition HAL is deprecated. %s is effectively a no-op",
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__FUNCTION__);
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return android::NO_INIT;
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}
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/**
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* Request flush for al batch buffers.
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*/
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static int flush(JNIEnv* /*env*/, jobject /*obj*/) {
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ALOGE("activity_recognition HAL is deprecated. %s is effectively a no-op",
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__FUNCTION__);
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return android::NO_INIT;
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}
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static const JNINativeMethod sMethods[] = {
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// {"name", "signature", (void*) functionPointer },
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{ "nativeClassInit", "()V", (void*) class_init },
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{ "nativeInitialize", "()V", (void*) initialize },
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{ "nativeRelease", "()V", (void*) release },
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{ "nativeIsSupported", "()Z", (void*) is_supported },
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{ "nativeGetSupportedActivities", "()[Ljava/lang/String;", (void*) get_supported_activities },
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{ "nativeEnableActivityEvent", "(IIJ)I", (void*) enable_activity_event },
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{ "nativeDisableActivityEvent", "(II)I", (void*) disable_activity_event },
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{ "nativeFlush", "()I", (void*) flush },
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};
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/**
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* Registration method invoked in JNI load.
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*/
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int register_android_hardware_location_ActivityRecognitionHardware(JNIEnv* env) {
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return jniRegisterNativeMethods(
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env,
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"android/hardware/location/ActivityRecognitionHardware",
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sMethods,
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NELEM(sMethods));
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}
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