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-rw-r--r--core/jni/android_hardware_location_ActivityRecognitionHardware.cpp249
1 files changed, 41 insertions, 208 deletions
diff --git a/core/jni/android_hardware_location_ActivityRecognitionHardware.cpp b/core/jni/android_hardware_location_ActivityRecognitionHardware.cpp
index 4b279f63c99f..b23757ef4de6 100644
--- a/core/jni/android_hardware_location_ActivityRecognitionHardware.cpp
+++ b/core/jni/android_hardware_location_ActivityRecognitionHardware.cpp
@@ -22,256 +22,89 @@
#include <android_runtime/AndroidRuntime.h>
#include <android_runtime/Log.h>
-#include "activity_recognition.h"
-
-
-// keep base connection data from the HAL
-static activity_recognition_module_t* sModule = NULL;
-static activity_recognition_device_t* sDevice = NULL;
-
-static jobject sCallbacksObject = NULL;
-static jmethodID sOnActivityChanged = NULL;
-
-
-static void check_and_clear_exceptions(JNIEnv* env, const char* method_name) {
- if (!env->ExceptionCheck()) {
- return;
- }
-
- ALOGE("An exception was thrown by '%s'.", method_name);
- LOGE_EX(env);
- env->ExceptionClear();
-}
-
-static jint attach_thread(JNIEnv** env) {
- JavaVM* java_vm = android::AndroidRuntime::getJavaVM();
- assert(java_vm != NULL);
-
- JavaVMAttachArgs args = {
- JNI_VERSION_1_6,
- "ActivityRecognition HAL callback.",
- NULL /* group */
- };
-
- jint result = java_vm->AttachCurrentThread(env, &args);
- if (result != JNI_OK) {
- ALOGE("Attach to callback thread failed: %d", result);
- }
-
- return result;
-}
-
-static jint detach_thread() {
- JavaVM* java_vm = android::AndroidRuntime::getJavaVM();
- assert(java_vm != NULL);
-
- jint result = java_vm->DetachCurrentThread();
- if (result != JNI_OK) {
- ALOGE("Detach of callback thread failed: %d", result);
- }
-
- return result;
-}
-
-
-/**
- * Handle activity recognition events from HAL.
- */
-static void activity_callback(
- const activity_recognition_callback_procs_t* procs,
- const activity_event_t* events,
- int count) {
- if (sOnActivityChanged == NULL) {
- ALOGE("Dropping activity_callback because onActivityChanged handler is null.");
- return;
- }
-
- if (events == NULL || count <= 0) {
- ALOGE("Invalid activity_callback. Count: %d, Events: %p", count, events);
- return;
- }
-
- JNIEnv* env = NULL;
- int result = attach_thread(&env);
- if (result != JNI_OK) {
- ALOGE("Unable to attach thread with JNI.");
- return;
- }
-
- jclass event_class =
- env->FindClass("android/hardware/location/ActivityRecognitionHardware$Event");
- jmethodID event_ctor = env->GetMethodID(event_class, "<init>", "()V");
- jfieldID activity_field = env->GetFieldID(event_class, "activity", "I");
- jfieldID type_field = env->GetFieldID(event_class, "type", "I");
- jfieldID timestamp_field = env->GetFieldID(event_class, "timestamp", "J");
-
- jobjectArray events_array = env->NewObjectArray(count, event_class, NULL);
- for (int i = 0; i < count; ++i) {
- const activity_event_t* event = &events[i];
- jobject event_object = env->NewObject(event_class, event_ctor);
- env->SetIntField(event_object, activity_field, event->activity);
- env->SetIntField(event_object, type_field, event->event_type);
- env->SetLongField(event_object, timestamp_field, event->timestamp);
- env->SetObjectArrayElement(events_array, i, event_object);
- env->DeleteLocalRef(event_object);
- }
-
- env->CallVoidMethod(sCallbacksObject, sOnActivityChanged, events_array);
- check_and_clear_exceptions(env, __FUNCTION__);
-
- // TODO: ideally we'd let the HAL register the callback thread only once
- detach_thread();
-}
-
-activity_recognition_callback_procs_t sCallbacks = {
- activity_callback,
-};
+// #include "activity_recognition.h"
+// The activity recognition HAL is being deprecated. This means -
+// i) Android framework code shall not depend on activity recognition
+// being provided through the activity_recognition.h interface.
+// ii) activity recognition HAL will not be binderized as the other HALs.
+//
/**
* Initializes the ActivityRecognitionHardware class from the native side.
*/
-static void class_init(JNIEnv* env, jclass clazz) {
- // open the hardware module
- int error = hw_get_module(
- ACTIVITY_RECOGNITION_HARDWARE_MODULE_ID,
- (const hw_module_t**) &sModule);
- if (error != 0) {
- ALOGE("Error hw_get_module: %d", error);
- return;
- }
-
- error = activity_recognition_open(&sModule->common, &sDevice);
- if (error != 0) {
- ALOGE("Error opening device: %d", error);
- return;
- }
-
- // get references to the Java provided methods
- sOnActivityChanged = env->GetMethodID(
- clazz,
- "onActivityChanged",
- "([Landroid/hardware/location/ActivityRecognitionHardware$Event;)V");
- if (sOnActivityChanged == NULL) {
- ALOGE("Error obtaining ActivityChanged callback.");
- return;
- }
-
- // register callbacks
- sDevice->register_activity_callback(sDevice, &sCallbacks);
+static void class_init(JNIEnv* /*env*/, jclass /*clazz*/) {
+ ALOGE("activity_recognition HAL is deprecated. %s is effectively a no-op",
+ __FUNCTION__);
}
/**
* Initializes and connect the callbacks handlers in the HAL.
*/
-static void initialize(JNIEnv* env, jobject obj) {
- if (sCallbacksObject == NULL) {
- sCallbacksObject = env->NewGlobalRef(obj);
- } else {
- ALOGD("Callbacks Object was already initialized.");
- }
-
- if (sDevice != NULL) {
- sDevice->register_activity_callback(sDevice, &sCallbacks);
- } else {
- ALOGD("ActivityRecognition device not found during initialization.");
- }
+static void initialize(JNIEnv* /*env*/, jobject /*obj*/) {
+ ALOGE("activity_recognition HAL is deprecated. %s is effectively a no-op",
+ __FUNCTION__);
}
/**
* De-initializes the ActivityRecognitionHardware from the native side.
*/
-static void release(JNIEnv* env, jobject obj) {
- if (sDevice == NULL) {
- return;
- }
-
- int error = activity_recognition_close(sDevice);
- if (error != 0) {
- ALOGE("Error closing device: %d", error);
- return;
- }
+static void release(JNIEnv* /*env*/, jobject /*obj*/) {
+ ALOGE("activity_recognition HAL is deprecated. %s is effectively a no-op",
+ __FUNCTION__);
}
/**
* Returns true if ActivityRecognition HAL is supported, false otherwise.
*/
-static jboolean is_supported(JNIEnv* env, jclass clazz) {
- if (sModule != NULL && sDevice != NULL ) {
- return JNI_TRUE;
- }
+static jboolean is_supported(JNIEnv* /*env*/, jclass /*clazz*/) {
+ ALOGE("activity_recognition HAL is deprecated. %s is effectively a no-op",
+ __FUNCTION__);
return JNI_FALSE;
}
/**
* Gets an array representing the supported activities.
*/
-static jobjectArray get_supported_activities(JNIEnv* env, jobject obj) {
- if (sModule == NULL) {
- return NULL;
- }
-
- char const* const* list = NULL;
- int list_size = sModule->get_supported_activities_list(sModule, &list);
- if (list_size <= 0 || list == NULL) {
- return NULL;
- }
-
- jclass string_class = env->FindClass("java/lang/String");
- if (string_class == NULL) {
- ALOGE("Unable to find String class for supported activities.");
- return NULL;
- }
-
- jobjectArray string_array = env->NewObjectArray(list_size, string_class, NULL);
- if (string_array == NULL) {
- ALOGE("Unable to create string array for supported activities.");
- return NULL;
- }
-
- for (int i = 0; i < list_size; ++i) {
- const char* string_ptr = const_cast<const char*>(list[i]);
- jstring string = env->NewStringUTF(string_ptr);
- env->SetObjectArrayElement(string_array, i, string);
- }
-
- return string_array;
+static jobjectArray get_supported_activities(JNIEnv* /*env*/, jobject /*obj*/) {
+ ALOGE("activity_recognition HAL is deprecated. %s is effectively a no-op",
+ __FUNCTION__);
+ return NULL;
}
/**
* Enables a given activity event to be actively monitored.
*/
static int enable_activity_event(
- JNIEnv* env,
- jobject obj,
- jint activity_handle,
- jint event_type,
- jlong report_latency_ns) {
- return sDevice->enable_activity_event(
- sDevice,
- (uint32_t) activity_handle,
- (uint32_t) event_type,
- report_latency_ns);
+ JNIEnv* /*env*/,
+ jobject /*obj*/,
+ jint /*activity_handle*/,
+ jint /*event_type*/,
+ jlong /*report_latency_ns*/) {
+ ALOGE("activity_recognition HAL is deprecated. %s is effectively a no-op",
+ __FUNCTION__);
+ return android::NO_INIT;
}
/**
* Disables a given activity event from being actively monitored.
*/
static int disable_activity_event(
- JNIEnv* env,
- jobject obj,
- jint activity_handle,
- jint event_type) {
- return sDevice->disable_activity_event(
- sDevice,
- (uint32_t) activity_handle,
- (uint32_t) event_type);
+ JNIEnv* /*env*/,
+ jobject /*obj*/,
+ jint /*activity_handle*/,
+ jint /*event_type*/) {
+ ALOGE("activity_recognition HAL is deprecated. %s is effectively a no-op",
+ __FUNCTION__);
+ return android::NO_INIT;
}
/**
* Request flush for al batch buffers.
*/
-static int flush(JNIEnv* env, jobject obj) {
- return sDevice->flush(sDevice);
+static int flush(JNIEnv* /*env*/, jobject /*obj*/) {
+ ALOGE("activity_recognition HAL is deprecated. %s is effectively a no-op",
+ __FUNCTION__);
+ return android::NO_INIT;
}
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