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1 | <!DOCTYPE html> |
2 | <html> | |
3 | <head> | |
4 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> | |
5 | <meta name="Author" content="KaiRo - Robert Kaiser"> | |
6 | <title>Firefox OS Tricorder</title> | |
7 | <link rel="stylesheet" type="text/css" href="slides.css"> | |
8 | <script type="text/javascript" src="slides.js"></script> | |
9 | <link rel="contents" href="#index" title="Überblick"> | |
10 | <link rel="index" id="link-toc" href="#toc" title="Inhalt"> | |
11 | <link rel="start" id="link-start" href="#index" title="Start"> | |
12 | </head> | |
13 | <body onload="docLoaded();"> | |
14 | <header id="header"><div id="header-text">Tricorder</div> | |
15 | <div id="subheader-text"></div> | |
16 | <a id="headerlogo" href="#index" title="Startseite">Mozilla</a> | |
17 | </header> | |
18 | <nav id="slidenav"> | |
19 | <a href="#toc" id="nav-toc" accesskey="t">Inhalt</a> || | |
20 | <a href="#index" id="nav-start" accesskey="s">Start</a> || | |
21 | <a href="#" id="nav-prev" accesskey="p" hidden>< zurück</a> | |
22 | <span id="nav-prev-nolink" class="nolink">< zurück</span> | | |
23 | <a href="#" id="nav-next" id="goNext" accesskey="n" hidden>weiter ></a> | |
24 | <span id="nav-next-nolink" class="nolink">weiter ></span> | |
25 | </nav> | |
26 | ||
27 | <article id="toc" title="Inhalt"> | |
28 | <h1>Inhalt</h1> | |
29 | <h2>Firefox OS Tricorder</h2> | |
30 | ||
31 | <div class="captionedbox"> | |
32 | <p class="captionedbox-caption">Folgende Folien sind in dieser Präsentation enthalten:</p> | |
33 | <div class="captionedbox-content"> | |
34 | <ul id="toc-list"> | |
35 | </ul> | |
36 | </article> | |
37 | ||
38 | <article id="index" title="Start Page"> | |
39 | <h1>Firefox OS Tricorder</h1> | |
40 | <h2>Auslesen von Gerätesensoren mittels JavaScript</h2> | |
41 | ||
42 | <div class="simplebox"> | |
43 | <mark><a href="http://home.kairo.at/">Robert Kaiser</a></mark>, | |
44 | "KaiRo" <kairo@kairo.at> | |
45 | <br><small>Release Quality Manager, Mozilla</small> | |
46 | </div> | |
47 | ||
48 | <div class="captionedbox"> | |
49 | <p class="captionedbox-caption">Folien: | |
50 | <a href="https://slides.kairo.at/linuxwochen2015/">https://slides.kairo.at/linuxwochen2015/</a></p> | |
51 | <div class="captionedbox-content small"> | |
52 | <ul class="small"> | |
53 | <li>Erstellt für einen | |
54 | <a href="https://cfp.linuxwochen.at/de/LWW15/public/events/283">Vortrag</a> | |
55 | auf den <a href="http://www.linuxwochen.at/">Linuxwochen 2015</a> in Wien.</li> | |
56 | <li>Geschrieben in HTML 5 mit CSS 3 und JavaScript.</li> | |
57 | <li>Navigation mit Links auf allen Folien, mit Accesskeys | |
58 | (z.B. "n"/Alt+Umschalt+N für "next"/weiter) oder vor/zurück-Pfeilasten</li> | |
59 | <li><a href="#toc">Inhalt</a></li> | |
60 | <li><a rel="license" href="http://creativecommons.org/licenses/by-sa/3.0/at/"><img | |
61 | alt="Lizenziert unter CC-BY-SA," style="border-width:0;vertical-align:bottom;" | |
62 | src="cc-by-sa-80x15.png"></a> 04/2015 Robert Kaiser - | |
63 | "Mozilla", "Firefox" und deren Logos sind | |
64 | <a href="http://www.mozilla.org/foundation/trademarks/list.html">Handelsmarken | |
65 | der Mozilla Foundation</a>; <a href="http://www.startrek.com/">Star Trek</a> | |
66 | und zugehörige Elemente sind Warenzeichen von | |
67 | <a href="http://www.paramount.com/">Paramount Pictures</a>.</li> | |
68 | </ul> | |
69 | </div> | |
70 | </div> | |
71 | </article> | |
72 | ||
73 | <article id="tricorder" title="Tricorder"> | |
74 | <h1>Was ist ein Tricorder?</h1> | |
75 | ||
76 | <div class="simplebox"> | |
77 | <img src="starfleet_tricorder_2370.jpg" class="slidepic" | |
78 | alt="Starfleet Tricorder, 2370"> | |
79 | <p>Sensorgerät wie in "Star Trek" zu sehen</p> | |
80 | <p>Zeigt jegliche Daten an, die gerade benötigt werden, in Plot-Geschwindigkeit und -auflösung.</p> | |
81 | <p class="ensurepicinbox"></p> | |
82 | </div> | |
83 | </article> | |
84 | ||
85 | <article id="fxos-tricorder" title="Firefox OS Tricorder"> | |
86 | <h1>Firefox-OS-Tricorder-App</h1> | |
87 | ||
88 | <div class="simplebox"> | |
89 | <p>Zeigt Daten von Gerätesensoren an, die von WebAPIs zur Verfügung gestellt werden.</p> | |
90 | <p><a href="https://marketplace.firefox.com/app/tricorder/">marketplace.firefox.com/app/tricorder/</a></p> | |
91 | <p>Code: <a href="https://github.com/KaiRo-at/tricorder">github.com/KaiRo-at/tricorder</a></p> | |
92 | </div> | |
93 | </article> | |
94 | ||
95 | <article id="ui" title="UI"> | |
96 | <h1>Firefox-OS-Tricorder-Oberfläche</h1> | |
97 | ||
98 | <div class="simplebox cent"> | |
99 | <img src="tricorder-ui.svg" | |
100 | alt="Beschreibung der Tricorder-Oberfläche"> | |
101 | </div> | |
102 | </article> | |
103 | ||
104 | <article id="module" title="Modul"> | |
105 | <h1>Modul</h1> | |
106 | ||
107 | <div class="simplebox"> | |
108 | <ul> | |
109 | <li>HTML (Schalter, Anzeige)</li> | |
110 | <li>JS-Objekt | |
111 | <ul> | |
112 | <li>2 Methoden: activate(), deactivate()</li> | |
113 | </ul> | |
114 | </li> | |
115 | </ul> | |
116 | </div> | |
117 | </article> | |
118 | ||
119 | <article id="position" title="Positions-Modul"> | |
120 | <h1>Positions-Modul</h1> | |
121 | ||
122 | <div class="simplebox"> | |
123 | <p>GPS, WLAN/Handysender-Peilung</p> | |
124 | <p>API: <a href="https://developer.mozilla.org/en-US/docs/Web/API/Geolocation">Geolocation</a></p> | |
125 | <p>Berechtigung: geolocation</p> | |
126 | </div> | |
127 | </article> | |
128 | ||
129 | <article id="position-code" title="Position: Code"> | |
130 | <h1>Position: Code</h1> | |
131 | ||
132 | <div class="simplebox"> | |
133 | <pre> | |
134 | this.watchID = <a href="https://developer.mozilla.org/en-US/docs/Web/API/Geolocation.watchPosition">navigator.geolocation.watchPosition</a>( | |
135 | function(position) { | |
136 | position.coords.latitude / .longitude / .accuracy / ... | |
137 | }, | |
138 | function(error) { ... }, | |
139 | {enableHighAccuracy: true, maximumAge: 10000, timeout: 60000} | |
140 | ); | |
141 | ||
142 | navigator.geolocation.clearWatch(this.watchID); | |
143 | </pre> | |
144 | </div> | |
145 | </article> | |
146 | ||
147 | <article id="gravity" title="Schwerkraft-Modul"> | |
148 | <h1>Schwerkraft-Modul ("Gravity")</h1> | |
149 | ||
150 | <div class="simplebox"> | |
151 | <p>Accelerometer, Magnetometer</p> | |
152 | <p>APIs: <a href="https://developer.mozilla.org/en-US/docs/Web/API/DeviceOrientationEvent">deviceorientation</a>-, | |
153 | <a href="https://developer.mozilla.org/en-US/docs/Web/API/DeviceMotionEvent">devicemotion</a>-Erignisse</p> | |
154 | <p>Berechtigungen: ---</p> | |
155 | </div> | |
156 | </article> | |
157 | ||
158 | <article id="gravity-code" title="Schwerkraft: Code"> | |
159 | <h1>Schwerkraft: Code</h1> | |
160 | ||
161 | <div class="simplebox"> | |
162 | <pre> | |
163 | window.addEventListener("<a href="https://developer.mozilla.org/en-US/docs/Web/Events/deviceorientation">deviceorientation</a>", this.orientEvent, true); | |
164 | window.addEventListener("<a href="https://developer.mozilla.org/en-US/docs/Web/Events/devicemotion">devicemotion</a>", this.motionEvent, true); | |
165 | ||
166 | orientEvent: function(orientData) { | |
167 | orientData.alpha / .beta / .gamma (in °) | |
168 | }, | |
169 | motionEvent: function(event) { | |
170 | event.accelerationIncludingGravity.x / .y / .z (in m/s²) | |
171 | }, | |
172 | ||
173 | window.removeEventListener("deviceorientation", this.orientEvent, true); | |
174 | window.removeEventListener("devicemotion", this.motionEvent, true); | |
175 | </pre> | |
176 | </div> | |
177 | </article> | |
178 | ||
179 | <article id="sound" title="Schall-Modul"> | |
180 | <h1>Schall-Modul ("Sound")</h1> | |
181 | ||
182 | <div class="simplebox"> | |
183 | <p>Mikrofon</p> | |
184 | <p>APIs: <a href="https://developer.mozilla.org/en-US/docs/Web/Guide/API/WebRTC">WebRTC</a>(getUserMedia), | |
185 | <a href="https://developer.mozilla.org/en-US/docs/Web/API/Web_Audio_API">WebAudio</a></p> | |
186 | <p>Berechtigungen: audio-capture</p> | |
187 | </div> | |
188 | </article> | |
189 | ||
190 | <article id="sound-code" title="Schall: Code"> | |
191 | <h1>Schall: Code</h1> | |
192 | ||
193 | <div class="simplebox"> | |
194 | <pre> | |
195 | <a href="https://developer.mozilla.org/en-US/docs/NavigatorUserMedia.getUserMedia">navigator.getUserMedia</a>({ audio: true }, | |
196 | function(aLocalMediaStream) { | |
197 | gModSound.mAudio.stream = aLocalMediaStream; | |
198 | gModSound.mAudio.context = new <a href="https://developer.mozilla.org/en-US/docs/Web/API/AudioContext">window.AudioContext</a>(); | |
199 | gModSound.mAudio.input = | |
200 | gModSound.mAudio.context.createMediaStreamSource(gModSound.mAudio.stream); | |
201 | gModSound.mAudio.analyzer = gModSound.mAudio.context<a href="https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode">.createAnalyser</a>(); | |
202 | gModSound.mAudio.input.connect(gModSound.mAudio.analyzer); | |
203 | }, | |
204 | function(err) { ... } | |
205 | ); | |
206 | ||
207 | // in window.requestAnimationFrame(): | |
208 | var data = new Uint8Array(gModSound.mAudio.frequencySlices); | |
209 | gModSound.mAudio.analyzer<a href="https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode.getByteFrequencyData">.getByteFrequencyData</a>(data); | |
210 | // ... do something with data ... | |
211 | ||
212 | gModSound.mAudio.stream.stop(); | |
213 | </pre> | |
214 | </div> | |
215 | </article> | |
216 | ||
217 | <article id="environment" title="Umgebungs-Modul"> | |
218 | <h1>Umgebungs-Modul ("Environment")</h1> | |
219 | ||
220 | <div class="simplebox"> | |
221 | <p>Licht, Entfernung; Taschenlampe</p> | |
222 | <p>APIs: <a href="https://developer.mozilla.org/en-US/docs/Web/API/DeviceLightEvent">devicelight</a>-, | |
223 | <a href="https://developer.mozilla.org/en-US/docs/Web/API/DeviceProximityEvent">deviceproximity</a>-Ereignisse; | |
224 | <a href="https://developer.mozilla.org/en-US/docs/Web/API/Camera_API">Camera API</a></p> | |
225 | <p>Berechtigungen: ---; camera (für Lampe)</p> | |
226 | </div> | |
227 | </article> | |
228 | ||
229 | <article id="environment-code" title="Umgebung: Code"> | |
230 | <h1>Umgebung: Code</h1> | |
231 | ||
232 | <div class="simplebox"> | |
233 | <pre> | |
234 | window.addEventListener("<a href="https://developer.mozilla.org/en-US/docs/Web/Events/devicelight">devicelight</a>", this.lightEvent, true); | |
235 | window.addEventListener("<a href="https://developer.mozilla.org/en-US/docs/Web/Events/deviceproximity">deviceproximity</a>", this.proxEvent, true); | |
236 | ||
237 | lightEvent: function(lightData) { | |
238 | lightData.value (in lux) | |
239 | }, | |
240 | proxEvent: function(proxData) { | |
241 | proxData.min <= .value <= .max (in cm) | |
242 | }, | |
243 | ||
244 | window.removeEventListener("devicelight", this.lightEvent, true); | |
245 | window.removeEventListener("deviceproximity", this.proxEvent, true); | |
246 | ||
247 | // Taschenlampe mittels <a href="https://developer.mozilla.org/en-US/docs/Web/API/CameraManager.getCamera">navigator.mozCameras.getCamera</a> | |
248 | // Funktioniert nicht immer und kann sich jederzeit ändern, bitte Code aif GitHub nachlesen. | |
249 | </pre> | |
250 | </div> | |
251 | </article> | |
252 | ||
253 | <article id="device" title="Geräte-Modul"> | |
254 | <h1>Geräte-Modul ("Device")</h1> | |
255 | ||
256 | <div class="simplebox"> | |
257 | <p>Batterie</p> | |
258 | <p>APIs: <a href="https://developer.mozilla.org/en-US/docs/Web/API/Battery_Status_API">Battery Status API</a></p> | |
259 | <p>Berechtigungen: ---</p> | |
260 | </div> | |
261 | </article> | |
262 | ||
263 | <article id="device-code" title="Gerät: Code"> | |
264 | <h1>Gerät: Code</h1> | |
265 | ||
266 | <div class="simplebox"> | |
267 | <pre> | |
268 | 0 <= <a href="https://developer.mozilla.org/en-US/docs/Web/API/Navigator.battery">navigator.battery</a>.level <= 1 | |
269 | ||
270 | .charging (true/false) | |
271 | ||
272 | .chargingTime (in s; 0 or Infinity: unbekannt) | |
273 | ||
274 | .dischargingTime (in s; 0 or Infinity: unbekannt) | |
275 | </pre> | |
276 | </div> | |
277 | </article> | |
278 | ||
279 | <article id="end" title="Ende"> | |
280 | ||
281 | <div class="simplebox"> | |
282 | <h1 class="cent" style="position: relative; z-index: 3; color: #FFFFFF; font-size: 2.5em;">Fragen?</h1> | |
283 | <img src="mister_tricorder.jpg" class="sshot" | |
284 | style="width: 100%; margin-top: -4.5em; position: relative; z-index: 1;" | |
285 | alt="Data & Mister Tricorder"> | |
286 | </div> | |
287 | </article> | |
288 | ||
289 | </body> | |
290 | </html> |