-
Notifications
You must be signed in to change notification settings - Fork 252
/
WalkingActivityDetector.cs
executable file
·139 lines (124 loc) · 5.87 KB
/
WalkingActivityDetector.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
/*
* Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
*
* 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.
*/
using System;
namespace Tizen.Sensor
{
/// <summary>
/// The WalkingActivityDetector class is used for registering callbacks for the walking activity detector and getting the walking state.
/// </summary>
/// <since_tizen> 3 </since_tizen>
public sealed class WalkingActivityDetector : ActivityDetector
{
private static string ActivityDetectorKey = "http://tizen.org/feature/sensor.activity_recognition";
/// <summary>
/// Gets the state of the walking activity detector.
/// </summary>
/// <since_tizen> 3 </since_tizen>
/// <value> The walking state. </value>
public DetectorState Walking { get; private set; } = DetectorState.Unknown;
/// <summary>
/// Returns true or false based on whether the walking activity detector is supported by the device.
/// </summary>
/// <since_tizen> 3 </since_tizen>
/// <value><c>true</c> if supported; otherwise <c>false</c>.</value>
public static bool IsSupported
{
get
{
Log.Info(Globals.LogTag, "Checking if the walking activity detector is supported");
return CheckIfSupported(SensorType.WalkingActivityDetector, ActivityDetectorKey);
}
}
/// <summary>
/// Returns the number of walking activity detectors available on the device.
/// </summary>
/// <since_tizen> 3 </since_tizen>
/// <value> The count of walking activity detectors. </value>
public static int Count
{
get
{
Log.Info(Globals.LogTag, "Getting the count of walking activity detectors");
return GetCount();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Tizen.Sensor.WalkingActivityDetector"/> class.
/// </summary>
/// <since_tizen> 3 </since_tizen>
/// <feature>http://tizen.org/feature/sensor.activity_recognition</feature>
/// <exception cref="ArgumentException">Thrown when an invalid argument is used.</exception>
/// <exception cref="NotSupportedException">Thrown when the sensor is not supported.</exception>
/// <exception cref="InvalidOperationException">Thrown when the operation is invalid for the current state.</exception>
/// <param name='index'>
/// Index. Default value for this is 0. Index refers to a particular walking activity detector in case of multiple sensors.
/// </param>
public WalkingActivityDetector(uint index = 0) : base(index)
{
SetAttribute((SensorAttribute)ActivityAttribute, (int)ActivityType.Walking);
Log.Info(Globals.LogTag, "Creating walking activity gesture detector object");
}
private static int GetCount()
{
IntPtr list;
int count;
int error = Interop.SensorManager.GetSensorList(SensorType.WalkingActivityDetector, out list, out count);
if (error != (int)SensorError.None)
{
Log.Error(Globals.LogTag, "Error getting sensor list for walking activity detector");
count = 0;
}
else
Interop.Libc.Free(list);
return count;
}
/// <summary>
/// An event handler for storing the callback functions for the event corresponding to the change in the walking activity gesture detector data.
/// </summary>
/// <since_tizen> 3 </since_tizen>
public event EventHandler<WalkingActivityDetectorDataUpdatedEventArgs> DataUpdated;
internal static Interop.SensorListener.SensorEventCallback _callback;
internal override void EventListenStart()
{
_callback = (IntPtr sensorHandle, IntPtr eventPtr, IntPtr data) => {
Interop.SensorEventStruct sensorData = Interop.IntPtrToEventStruct(eventPtr);
TimeSpan = new TimeSpan((Int64)sensorData.timestamp);
Walking = (DetectorState)sensorData.values[0];
ActivityAccuracy = (SensorDataAccuracy) sensorData.accuracy;
DataUpdated?.Invoke(this, new WalkingActivityDetectorDataUpdatedEventArgs(sensorData.values[0]));
};
int error = Interop.SensorListener.SetEventCallback(ListenerHandle, Interval, _callback, IntPtr.Zero);
if (error != (int)SensorError.None)
{
Log.Error(Globals.LogTag, "Error setting event callback for walking activity detector");
throw SensorErrorFactory.CheckAndThrowException(error, "Unable to set event callback for walking activity detector");
}
}
internal override void EventListenStop()
{
int error = Interop.SensorListener.UnsetEventCallback(ListenerHandle);
if (error != (int)SensorError.None)
{
Log.Error(Globals.LogTag, "Error unsetting event callback for walking activity detector");
throw SensorErrorFactory.CheckAndThrowException(error, "Unable to unset event callback for walking activity detector");
}
}
internal override SensorType GetSensorType()
{
return SensorType.WalkingActivityDetector;
}
}
}