63 lines
2.1 KiB
Java
63 lines
2.1 KiB
Java
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/*
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* Copyright (C) 2013 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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package android.hardware;
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/**
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* This class represents a Trigger Event - the event
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* associated with a Trigger Sensor. When the sensor detects a trigger
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* event condition, such as significant motion in the case of the
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* {@link Sensor#TYPE_SIGNIFICANT_MOTION}, the {@link TriggerEventListener}
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* is called with the TriggerEvent. The sensor is automatically canceled
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* after the trigger.
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* <p>
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* This class holds information such as the value of the sensor
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* when the trigger happened, the timestamp along with detailed
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* information regarding the Sensor itself.
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* </p>
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* @see android.hardware.SensorManager
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* @see android.hardware.TriggerEvent
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* @see android.hardware.Sensor
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*/
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public final class TriggerEvent {
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/**
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* <p>
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* The length and contents of the {@link #values values} array depends on
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* which {@link android.hardware.Sensor sensor} type is being monitored (see
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* also {@link SensorEvent} for a definition of the coordinate system used).
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* </p>
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* <h4> {@link Sensor#TYPE_SIGNIFICANT_MOTION} </h4>
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* The value field is of length 1. value[0] = 1.0 when the sensor triggers.
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* 1.0 is the only allowed value.
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*/
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public final float[] values;
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/**
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* The sensor that generated this event. See
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* {@link android.hardware.SensorManager SensorManager} for details.
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*/
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public Sensor sensor;
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/**
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* The time in nanosecond at which the event happened
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*/
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public long timestamp;
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TriggerEvent(int size) {
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values = new float[size];
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}
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}
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