Adding wakeup sensors, maxDelay to java SDK. (2f8b9144) · Commits · e / os / android_frameworks_base

api/current.txt

+42 −0

Original line number	Diff line number	Diff line
		@@ -11933,6 +11933,7 @@ package android.hardware {
		public final class Sensor {
		method public int getFifoMaxEventCount();
		method public int getFifoReservedEventCount();
		method public int getMaxDelay();
		method public float getMaximumRange();
		method public int getMinDelay();
		method public java.lang.String getName();
		@@ -11942,6 +11943,9 @@ package android.hardware {
		method public int getType();
		method public java.lang.String getVendor();
		method public int getVersion();
		method public boolean isWakeUpSensor();
		field public static final java.lang.String SENSOR_STRING_TYPE_NON_WAKE_UP_PROXIMITY_SENSOR = "android.sensor.non_wake_up_proximity_sensor";
		field public static final java.lang.String SENSOR_STRING_TYPE_WAKE_UP_TILT_DETECTOR = "android.sensor.wake_up_tilt_detector";
		field public static final java.lang.String STRING_TYPE_ACCELEROMETER = "android.sensor.accelerometer";
		field public static final java.lang.String STRING_TYPE_AMBIENT_TEMPERATURE = "android.sensor.ambient_temperature";
		field public static final java.lang.String STRING_TYPE_GAME_ROTATION_VECTOR = "android.sensor.game_rotation_vector";
		@@ -11963,6 +11967,24 @@ package android.hardware {
		field public static final java.lang.String STRING_TYPE_STEP_COUNTER = "android.sensor.step_counter";
		field public static final java.lang.String STRING_TYPE_STEP_DETECTOR = "android.sensor.step_detector";
		field public static final deprecated java.lang.String STRING_TYPE_TEMPERATURE = "android.sensor.temperature";
		field public static final java.lang.String STRING_TYPE_WAKE_UP_ACCELEROMETER = "android.sensor.wake_up_accelerometer";
		field public static final java.lang.String STRING_TYPE_WAKE_UP_AMBIENT_TEMPERATURE = "android.sensor.wake_up_ambient_temperature";
		field public static final java.lang.String STRING_TYPE_WAKE_UP_GAME_ROTATION_VECTOR = "android.sensor.wake_up_game_rotation_vector";
		field public static final java.lang.String STRING_TYPE_WAKE_UP_GEOMAGNETIC_ROTATION_VECTOR = "android.sensor.wake_up_geomagnetic_rotation_vector";
		field public static final java.lang.String STRING_TYPE_WAKE_UP_GRAVITY = "android.sensor.wake_up_gravity";
		field public static final java.lang.String STRING_TYPE_WAKE_UP_GYROSCOPE = "android.sensor.wake_up_gyroscope";
		field public static final java.lang.String STRING_TYPE_WAKE_UP_GYROSCOPE_UNCALIBRATED = "android.sensor.wake_up_gyroscope_uncalibrated";
		field public static final java.lang.String STRING_TYPE_WAKE_UP_HEART_RATE = "android.sensor.wake_up_heart_rate";
		field public static final java.lang.String STRING_TYPE_WAKE_UP_LIGHT = "android.sensor.wake_up_light";
		field public static final java.lang.String STRING_TYPE_WAKE_UP_LINEAR_ACCELERATION = "android.sensor.wake_up_linear_acceleration";
		field public static final java.lang.String STRING_TYPE_WAKE_UP_MAGNETIC_FIELD = "android.sensor.wake_up_magnetic_field";
		field public static final java.lang.String STRING_TYPE_WAKE_UP_MAGNETIC_FIELD_UNCALIBRATED = "android.sensor.wake_up_magnetic_field_uncalibrated";
		field public static final java.lang.String STRING_TYPE_WAKE_UP_ORIENTATION = "android.sensor.wake_up_orientation";
		field public static final java.lang.String STRING_TYPE_WAKE_UP_PRESSURE = "android.sensor.wake_up_pressure";
		field public static final java.lang.String STRING_TYPE_WAKE_UP_RELATIVE_HUMIDITY = "android.sensor.wake_up_relative_humidity";
		field public static final java.lang.String STRING_TYPE_WAKE_UP_ROTATION_VECTOR = "android.sensor.wake_up_rotation_vector";
		field public static final java.lang.String STRING_TYPE_WAKE_UP_STEP_COUNTER = "android.sensor.wake_up_step_counter";
		field public static final java.lang.String STRING_TYPE_WAKE_UP_STEP_DETECTOR = "android.sensor.wake_up_step_detector";
		field public static final int TYPE_ACCELEROMETER = 1; // 0x1
		field public static final int TYPE_ALL = -1; // 0xffffffff
		field public static final int TYPE_AMBIENT_TEMPERATURE = 13; // 0xd
		@@ -11976,6 +11998,7 @@ package android.hardware {
		field public static final int TYPE_LINEAR_ACCELERATION = 10; // 0xa
		field public static final int TYPE_MAGNETIC_FIELD = 2; // 0x2
		field public static final int TYPE_MAGNETIC_FIELD_UNCALIBRATED = 14; // 0xe
		field public static final int TYPE_NON_WAKE_UP_PROXIMITY_SENSOR = 22; // 0x16
		field public static final deprecated int TYPE_ORIENTATION = 3; // 0x3
		field public static final int TYPE_PRESSURE = 6; // 0x6
		field public static final int TYPE_PROXIMITY = 8; // 0x8
		@@ -11985,6 +12008,25 @@ package android.hardware {
		field public static final int TYPE_STEP_COUNTER = 19; // 0x13
		field public static final int TYPE_STEP_DETECTOR = 18; // 0x12
		field public static final deprecated int TYPE_TEMPERATURE = 7; // 0x7
		field public static final int TYPE_WAKE_UP_ACCELEROMETER = 23; // 0x17
		field public static final int TYPE_WAKE_UP_AMBIENT_TEMPERATURE = 33; // 0x21
		field public static final int TYPE_WAKE_UP_GAME_ROTATION_VECTOR = 35; // 0x23
		field public static final int TYPE_WAKE_UP_GEOMAGNETIC_ROTATION_VECTOR = 39; // 0x27
		field public static final int TYPE_WAKE_UP_GRAVITY = 29; // 0x1d
		field public static final int TYPE_WAKE_UP_GYROSCOPE = 26; // 0x1a
		field public static final int TYPE_WAKE_UP_GYROSCOPE_UNCALIBRATED = 36; // 0x24
		field public static final int TYPE_WAKE_UP_HEART_RATE = 40; // 0x28
		field public static final int TYPE_WAKE_UP_LIGHT = 27; // 0x1b
		field public static final int TYPE_WAKE_UP_LINEAR_ACCELERATION = 30; // 0x1e
		field public static final int TYPE_WAKE_UP_MAGNETIC_FIELD = 24; // 0x18
		field public static final int TYPE_WAKE_UP_MAGNETIC_FIELD_UNCALIBRATED = 34; // 0x22
		field public static final int TYPE_WAKE_UP_ORIENTATION = 25; // 0x19
		field public static final int TYPE_WAKE_UP_PRESSURE = 28; // 0x1c
		field public static final int TYPE_WAKE_UP_RELATIVE_HUMIDITY = 32; // 0x20
		field public static final int TYPE_WAKE_UP_ROTATION_VECTOR = 31; // 0x1f
		field public static final int TYPE_WAKE_UP_STEP_COUNTER = 38; // 0x26
		field public static final int TYPE_WAKE_UP_STEP_DETECTOR = 37; // 0x25
		field public static final int TYPE_WAKE_UP_TILT_DETECTOR = 41; // 0x29
		}

		public class SensorEvent {

core/java/android/hardware/Sensor.java

+391 −3

Original line number	Diff line number	Diff line
		@@ -142,9 +142,10 @@ public final class Sensor {
		public static final String STRING_TYPE_TEMPERATURE = "android.sensor.temperature";

		/**
		* A constant describing a proximity sensor type.
		* A constant describing a proximity sensor type. This is a wake up sensor.
		* <p>See {@link android.hardware.SensorEvent#values SensorEvent.values}
		* for more details.
		* @see #isWakeUpSensor()
		*/
		public static final int TYPE_PROXIMITY = 8;

		@@ -307,8 +308,10 @@ public final class Sensor {
		* itself. The sensor continues to operate while the device is asleep
		* and will automatically wake the device to notify when significant
		* motion is detected. The application does not need to hold any wake
		* locks for this sensor to trigger.
		* locks for this sensor to trigger. This is a wake up sensor.
		* <p>See {@link TriggerEvent} for more details.
		*
		* @see #isWakeUpSensor()
		*/
		public static final int TYPE_SIGNIFICANT_MOTION = 17;

		@@ -396,6 +399,321 @@ public final class Sensor {
		*/
		public static final String STRING_TYPE_HEART_RATE = "android.sensor.heart_rate";

		/**
		* A non-wake up variant of proximity sensor.
		*
		* @see #TYPE_PROXIMITY
		*/
		public static final int TYPE_NON_WAKE_UP_PROXIMITY_SENSOR = 22;

		/**
		* A constant string describing a non-wake up proximity sensor type.
		*
		* @see #TYPE_NON_WAKE_UP_PROXIMITY_SENSOR
		*/
		public static final String SENSOR_STRING_TYPE_NON_WAKE_UP_PROXIMITY_SENSOR =
		"android.sensor.non_wake_up_proximity_sensor";

		/**
		* A constant describing a wake up variant of accelerometer sensor type.
		*
		* @see #isWakeUpSensor()
		* @see #TYPE_ACCELEROMETER
		*/
		public static final int TYPE_WAKE_UP_ACCELEROMETER = 23;

		/**
		* A constant string describing a wake up accelerometer.
		*
		* @see #TYPE_WAKE_UP_ACCELEROMETER
		*/
		public static final String STRING_TYPE_WAKE_UP_ACCELEROMETER =
		"android.sensor.wake_up_accelerometer";

		/**
		* A constant describing a wake up variant of a magnetic field sensor type.
		*
		* @see #isWakeUpSensor()
		* @see #TYPE_MAGNETIC_FIELD
		*/
		public static final int TYPE_WAKE_UP_MAGNETIC_FIELD = 24;

		/**
		* A constant string describing a wake up magnetic field sensor.
		*
		* @see #TYPE_WAKE_UP_MAGNETIC_FIELD
		*/
		public static final String STRING_TYPE_WAKE_UP_MAGNETIC_FIELD =
		"android.sensor.wake_up_magnetic_field";

		/**
		* A constant describing a wake up variant of an orientation sensor type.
		*
		* @see #isWakeUpSensor()
		* @see #TYPE_ORIENTATION
		*/
		public static final int TYPE_WAKE_UP_ORIENTATION = 25;

		/**
		* A constant string describing a wake up orientation sensor.
		*
		* @see #TYPE_WAKE_UP_ORIENTATION
		*/
		public static final String STRING_TYPE_WAKE_UP_ORIENTATION =
		"android.sensor.wake_up_orientation";

		/**
		* A constant describing a wake up variant of a gyroscope sensor type.
		*
		* @see #isWakeUpSensor()
		* @see #TYPE_GYROSCOPE
		*/
		public static final int TYPE_WAKE_UP_GYROSCOPE = 26;

		/**
		* A constant string describing a wake up gyroscope sensor type.
		*
		* @see #TYPE_WAKE_UP_GYROSCOPE
		*/
		public static final String STRING_TYPE_WAKE_UP_GYROSCOPE = "android.sensor.wake_up_gyroscope";

		/**
		* A constant describing a wake up variant of a light sensor type.
		*
		* @see #isWakeUpSensor()
		* @see #TYPE_LIGHT
		*/
		public static final int TYPE_WAKE_UP_LIGHT = 27;

		/**
		* A constant string describing a wake up light sensor type.
		*
		* @see #TYPE_WAKE_UP_LIGHT
		*/
		public static final String STRING_TYPE_WAKE_UP_LIGHT = "android.sensor.wake_up_light";

		/**
		* A constant describing a wake up variant of a pressure sensor type.
		*
		* @see #isWakeUpSensor()
		* @see #TYPE_PRESSURE
		*/
		public static final int TYPE_WAKE_UP_PRESSURE = 28;

		/**
		* A constant string describing a wake up pressure sensor type.
		*
		* @see #TYPE_WAKE_UP_PRESSURE
		*/
		public static final String STRING_TYPE_WAKE_UP_PRESSURE = "android.sensor.wake_up_pressure";

		/**
		* A constant describing a wake up variant of a gravity sensor type.
		*
		* @see #isWakeUpSensor()
		* @see #TYPE_GRAVITY
		*/
		public static final int TYPE_WAKE_UP_GRAVITY = 29;

		/**
		* A constant string describing a wake up gravity sensor type.
		*
		* @see #TYPE_WAKE_UP_GRAVITY
		*/
		public static final String STRING_TYPE_WAKE_UP_GRAVITY = "android.sensor.wake_up_gravity";

		/**
		* A constant describing a wake up variant of a linear acceleration sensor type.
		*
		* @see #isWakeUpSensor()
		* @see #TYPE_LINEAR_ACCELERATION
		*/
		public static final int TYPE_WAKE_UP_LINEAR_ACCELERATION = 30;

		/**
		* A constant string describing a wake up linear acceleration sensor type.
		*
		* @see #TYPE_WAKE_UP_LINEAR_ACCELERATION
		*/
		public static final String STRING_TYPE_WAKE_UP_LINEAR_ACCELERATION =
		"android.sensor.wake_up_linear_acceleration";

		/**
		* A constant describing a wake up variant of a rotation vector sensor type.
		*
		* @see #isWakeUpSensor()
		* @see #TYPE_ROTATION_VECTOR
		*/
		public static final int TYPE_WAKE_UP_ROTATION_VECTOR = 31;

		/**
		* A constant string describing a wake up rotation vector sensor type.
		*
		* @see #TYPE_WAKE_UP_ROTATION_VECTOR
		*/
		public static final String STRING_TYPE_WAKE_UP_ROTATION_VECTOR =
		"android.sensor.wake_up_rotation_vector";

		/**
		* A constant describing a wake up variant of a relative humidity sensor type.
		*
		* @see #isWakeUpSensor()
		* @see #TYPE_RELATIVE_HUMIDITY
		*/
		public static final int TYPE_WAKE_UP_RELATIVE_HUMIDITY = 32;

		/**
		* A constant string describing a wake up relative humidity sensor type.
		*
		* @see #TYPE_WAKE_UP_RELATIVE_HUMIDITY
		*/
		public static final String STRING_TYPE_WAKE_UP_RELATIVE_HUMIDITY =
		"android.sensor.wake_up_relative_humidity";

		/**
		* A constant describing a wake up variant of an ambient temperature sensor type.
		*
		* @see #isWakeUpSensor()
		* @see #TYPE_AMBIENT_TEMPERATURE
		*/
		public static final int TYPE_WAKE_UP_AMBIENT_TEMPERATURE = 33;

		/**
		* A constant string describing a wake up ambient temperature sensor type.
		*
		* @see #TYPE_WAKE_UP_AMBIENT_TEMPERATURE
		*/
		public static final String STRING_TYPE_WAKE_UP_AMBIENT_TEMPERATURE =
		"android.sensor.wake_up_ambient_temperature";

		/**
		* A constant describing a wake up variant of an uncalibrated magnetic field sensor type.
		*
		* @see #isWakeUpSensor()
		* @see #TYPE_MAGNETIC_FIELD_UNCALIBRATED
		*/
		public static final int TYPE_WAKE_UP_MAGNETIC_FIELD_UNCALIBRATED = 34;

		/**
		* A constant string describing a wake up uncalibrated magnetic field sensor type.
		*
		* @see #TYPE_WAKE_UP_MAGNETIC_FIELD_UNCALIBRATED
		*/
		public static final String STRING_TYPE_WAKE_UP_MAGNETIC_FIELD_UNCALIBRATED =
		"android.sensor.wake_up_magnetic_field_uncalibrated";

		/**
		* A constant describing a wake up variant of a game rotation vector sensor type.
		*
		* @see #isWakeUpSensor()
		* @see #TYPE_GAME_ROTATION_VECTOR
		*/
		public static final int TYPE_WAKE_UP_GAME_ROTATION_VECTOR = 35;

		/**
		* A constant string describing a wake up game rotation vector sensor type.
		*
		* @see #TYPE_WAKE_UP_GAME_ROTATION_VECTOR
		*/
		public static final String STRING_TYPE_WAKE_UP_GAME_ROTATION_VECTOR =
		"android.sensor.wake_up_game_rotation_vector";

		/**
		* A constant describing a wake up variant of an uncalibrated gyroscope sensor type.
		*
		* @see #isWakeUpSensor()
		* @see #TYPE_GYROSCOPE_UNCALIBRATED
		*/
		public static final int TYPE_WAKE_UP_GYROSCOPE_UNCALIBRATED = 36;

		/**
		* A constant string describing a wake up uncalibrated gyroscope sensor type.
		*
		* @see #TYPE_WAKE_UP_GYROSCOPE_UNCALIBRATED
		*/
		public static final String STRING_TYPE_WAKE_UP_GYROSCOPE_UNCALIBRATED =
		"android.sensor.wake_up_gyroscope_uncalibrated";

		/**
		* A constant describing a wake up variant of a step detector sensor type.
		*
		* @see #isWakeUpSensor()
		* @see #TYPE_STEP_DETECTOR
		*/
		public static final int TYPE_WAKE_UP_STEP_DETECTOR = 37;

		/**
		* A constant string describing a wake up step detector sensor type.
		*
		* @see #TYPE_WAKE_UP_STEP_DETECTOR
		*/
		public static final String STRING_TYPE_WAKE_UP_STEP_DETECTOR =
		"android.sensor.wake_up_step_detector";

		/**
		* A constant describing a wake up variant of a step counter sensor type.
		*
		* @see #isWakeUpSensor()
		* @see #TYPE_STEP_COUNTER
		*/
		public static final int TYPE_WAKE_UP_STEP_COUNTER = 38;

		/**
		* A constant string describing a wake up step counter sensor type.
		*
		* @see #TYPE_WAKE_UP_STEP_COUNTER
		*/
		public static final String STRING_TYPE_WAKE_UP_STEP_COUNTER =
		"android.sensor.wake_up_step_counter";

		/**
		* A constant describing a wake up variant of a geomagnetic rotation vector sensor type.
		*
		* @see #isWakeUpSensor()
		* @see #TYPE_GEOMAGNETIC_ROTATION_VECTOR
		*/
		public static final int TYPE_WAKE_UP_GEOMAGNETIC_ROTATION_VECTOR = 39;

		/**
		* A constant string describing a wake up geomagnetic rotation vector sensor type.
		*
		* @see #TYPE_WAKE_UP_GEOMAGNETIC_ROTATION_VECTOR
		*/
		public static final String STRING_TYPE_WAKE_UP_GEOMAGNETIC_ROTATION_VECTOR =
		"android.sensor.wake_up_geomagnetic_rotation_vector";

		/**
		* A constant describing a wake up variant of a heart rate sensor type.
		*
		* @see #isWakeUpSensor()
		* @see #TYPE_HEART_RATE
		*/
		public static final int TYPE_WAKE_UP_HEART_RATE = 40;

		/**
		* A constant string describing a wake up heart rate sensor type.
		*
		* @see #TYPE_WAKE_UP_HEART_RATE
		*/
		public static final String STRING_TYPE_WAKE_UP_HEART_RATE = "android.sensor.wake_up_heart_rate";

		/**
		* A sensor of this type generates an event each time a tilt event is detected. A tilt event
		* is generated if the direction of the 2-seconds window average gravity changed by at
		* least 35 degrees since the activation of the sensor. It is a wake up sensor.
		*
		* @see #isWakeUpSensor()
		*/
		public static final int TYPE_WAKE_UP_TILT_DETECTOR = 41;

		/**
		* A constant string describing a wake up tilt detector sensor type.
		*
		* @see #TYPE_WAKE_UP_TILT_DETECTOR
		*/
		public static final String SENSOR_STRING_TYPE_WAKE_UP_TILT_DETECTOR =
		"android.sensor.wake_up_tilt_detector";

		/**
		* A constant describing a wake gesture sensor.
		* <p>
		@@ -410,6 +728,7 @@ public final class Sensor {
		* the device. This sensor must be low power, as it is likely to be activated 24/7.
		* Values of events created by this sensors should not be used.
		*
		* @see #isWakeUpSensor()
		* @hide This sensor is expected to only be used by the power manager
		*/
		public static final int TYPE_WAKE_GESTURE = 42;
		@@ -467,7 +786,29 @@ public final class Sensor {
		REPORTING_MODE_ON_CHANGE, 1, // SENSOR_TYPE_STEP_DETECTOR
		REPORTING_MODE_ON_CHANGE, 1, // SENSOR_TYPE_STEP_COUNTER
		REPORTING_MODE_CONTINUOUS, 5, // SENSOR_TYPE_GEOMAGNETIC_ROTATION_VECTOR
		REPORTING_MODE_ON_CHANGE, 1 // SENSOR_TYPE_HEART_RATE_MONITOR
		REPORTING_MODE_ON_CHANGE, 1, // SENSOR_TYPE_HEART_RATE_MONITOR
		REPORTING_MODE_ON_CHANGE, 3, // SENSOR_TYPE_NON_WAKE_UP_PROXIMITY_SENSOR
		// wake up variants of base sensors
		REPORTING_MODE_CONTINUOUS, 3, // SENSOR_TYPE_WAKE_UP_ACCELEROMETER
		REPORTING_MODE_CONTINUOUS, 3, // SENSOR_TYPE_WAKE_UP_MAGNETIC_FIELD
		REPORTING_MODE_CONTINUOUS, 3, // SENSOR_TYPE_WAKE_UP_ORIENTATION
		REPORTING_MODE_CONTINUOUS, 3, // SENSOR_TYPE_WAKE_UP_GYROSCOPE
		REPORTING_MODE_ON_CHANGE, 3, // SENSOR_TYPE_WAKE_UP_LIGHT
		REPORTING_MODE_CONTINUOUS, 3, // SENSOR_TYPE_WAKE_UP_PRESSURE
		REPORTING_MODE_CONTINUOUS, 3, // SENSOR_TYPE_WAKE_UP_GRAVITY
		REPORTING_MODE_CONTINUOUS, 3, // SENSOR_TYPE_WAKE_UP_LINEAR_ACCELERATION
		REPORTING_MODE_CONTINUOUS, 5, // SENSOR_TYPE_WAKE_UP_ROTATION_VECTOR
		REPORTING_MODE_ON_CHANGE, 3, // SENSOR_TYPE_WAKE_UP_RELATIVE_HUMIDITY
		REPORTING_MODE_ON_CHANGE, 3, // SENSOR_TYPE_WAKE_UP_AMBIENT_TEMPERATURE
		REPORTING_MODE_CONTINUOUS, 6, // SENSOR_TYPE_WAKE_UP_MAGNETIC_FIELD_UNCALIBRATED
		REPORTING_MODE_CONTINUOUS, 4, // SENSOR_TYPE_WAKE_UP_GAME_ROTATION_VECTOR
		REPORTING_MODE_CONTINUOUS, 6, // SENSOR_TYPE_WAKE_UP_GYROSCOPE_UNCALIBRATED
		REPORTING_MODE_ON_CHANGE, 1, // SENSOR_TYPE_WAKE_UP_STEP_DETECTOR
		REPORTING_MODE_ON_CHANGE, 1, // SENSOR_TYPE_WAKE_UP_STEP_COUNTER
		REPORTING_MODE_CONTINUOUS, 5, // SENSOR_TYPE_WAKE_UP_GEOMAGNETIC_ROTATION_VECTOR
		REPORTING_MODE_ON_CHANGE, 1, // SENSOR_TYPE_WAKE_UP_HEART_RATE_MONITOR
		REPORTING_MODE_ON_CHANGE, 1, // SENSOR_TYPE_WAKE_UP_TILT_DETECTOR
		REPORTING_MODE_ONE_SHOT, 1, // SENSOR_TYPE_WAKE_GESTURE
		};

		static int getReportingMode(Sensor sensor) {
		@@ -525,6 +866,8 @@ public final class Sensor {
		private int mFifoMaxEventCount;
		private String mStringType;
		private String mRequiredPermission;
		private int mMaxDelay;
		private boolean mWakeUpSensor;

		Sensor() {
		}
		@@ -625,6 +968,51 @@ public final class Sensor {
		return mHandle;
		}

		/**
		* This value is defined only for continuous mode sensors. It is the delay between two
		* sensor events corresponding to the lowest frequency that this sensor supports. When
		* lower frequencies are requested through registerListener() the events will be generated
		* at this frequency instead. It can be used to estimate when the batch FIFO may be full.
		* Older devices may set this value to zero. Ignore this value in case it is negative
		* or zero.
		*
		* @return The max delay for this sensor in microseconds.
		*/
		public int getMaxDelay() {
		return mMaxDelay;
		}

		/**
		* Returns whether this sensor is a wake-up sensor.
		* <p>
		* Wake up sensors wake the application processor up when they have events to deliver. When a
		* wake up sensor is registered to without batching enabled, each event will wake the
		* application processor up.
		* <p>
		* When a wake up sensor is registered to with batching enabled, it
		* wakes the application processor up when maxReportingLatency has elapsed or when the hardware
		* FIFO storing the events from wake up sensors is getting full.
		* <p>
		* Non-wake up sensors never wake the application processor up. Their events are only reported
		* when the application processor is awake, for example because the application holds a wake
		* lock, or another source woke the application processor up.
		* <p>
		* When a non-wake up sensor is registered to without batching enabled, the measurements made
		* while the application processor is asleep might be lost and never returned.
		* <p>
		* When a non-wake up sensor is registered to with batching enabled, the measurements made while
		* the application processor is asleep are stored in the hardware FIFO for non-wake up sensors.
		* When this FIFO gets full, new events start overwriting older events. When the application
		* then wakes up, the latest events are returned, and some old events might be lost. The number
		* of events actually returned depends on the hardware FIFO size, as well as on what other
		* sensors are activated. If losing sensor events is not acceptable during batching, you must
		* use the wake-up version of the sensor.
		* @return true if this is a wake up sensor, false otherwise.
		*/
		public boolean isWakeUpSensor() {
		return mWakeUpSensor;
		}

		void setRange(float max, float res) {
		mMaxRange = max;
		mResolution = res;

core/jni/android_hardware_SensorManager.cpp

+8 −1

Original line number	Diff line number	Diff line
		@@ -51,6 +51,8 @@ struct SensorOffsets
		jfieldID fifoMaxEventCount;
		jfieldID stringType;
		jfieldID requiredPermission;
		jfieldID maxDelay;
		jfieldID isWakeUpSensor;
		} gSensorOffsets;


		@@ -78,6 +80,8 @@ nativeClassInit (JNIEnv *_env, jclass _this)
		sensorOffsets.stringType = _env->GetFieldID(sensorClass, "mStringType", "Ljava/lang/String;");
		sensorOffsets.requiredPermission = _env->GetFieldID(sensorClass, "mRequiredPermission",
		"Ljava/lang/String;");
		sensorOffsets.maxDelay = _env->GetFieldID(sensorClass, "mMaxDelay", "I");
		sensorOffsets.isWakeUpSensor = _env->GetFieldID(sensorClass, "mWakeUpSensor", "Z");
		}

		static jint
		@@ -112,6 +116,8 @@ nativeGetNextSensor(JNIEnv *env, jclass clazz, jobject sensor, jint next)
		env->SetObjectField(sensor, sensorOffsets.stringType, stringType);
		env->SetObjectField(sensor, sensorOffsets.requiredPermission,
		requiredPermission);
		env->SetIntField(sensor, sensorOffsets.maxDelay, list->getMaxDelay());
		env->SetBooleanField(sensor, sensorOffsets.isWakeUpSensor, list->isWakeUpSensor());
		next++;
		return size_t(next) < count ? next : 0;
		}
		@@ -160,7 +166,8 @@ private:
		ASensorEvent buffer[16];
		while ((n = q->read(buffer, 16)) > 0) {
		for (int i=0 ; i<n ; i++) {
		if (buffer[i].type == SENSOR_TYPE_STEP_COUNTER) {
		if (buffer[i].type == SENSOR_TYPE_STEP_COUNTER \|\|
		buffer[i].type == SENSOR_TYPE_WAKE_UP_STEP_COUNTER) {
		// step-counter returns a uint64, but the java API only deals with floats
		float value = float(buffer[i].u64.step_counter);
		env->SetFloatArrayRegion(mScratch, 0, 1, &value);