<h1>Firefox OS Tricorder App</h1>
<div class="simplebox">
-<p>Displays sensor data</p>
+<p>Displays data from device sensors as exposed by WebAPIs</p>
<p><a href="https://marketplace.firefox.com/app/tricorder/">marketplace.firefox.com/app/tricorder/</a></p>
<p>Code: <a href="https://github.com/KaiRo-at/tricorder">github.com/KaiRo-at/tricorder</a></p>
</div>
<article id="ui" title="UI">
<h1>Firefox OS Tricorder UI</h1>
-<div class="simplebox">
+<div class="simplebox cent">
+<img src="tricorder-ui.svg"
+ alt="Tricorder UI description">
</div>
</article>
<div class="simplebox">
<p>GPS, WiFi/Cell Location</p>
-<p>API: Geolocation</p>
+<p>API: <a href="https://developer.mozilla.org/en-US/docs/Web/API/Geolocation">Geolocation</a></p>
<p>Permission: geolocation</p>
</div>
</article>
<div class="simplebox">
<pre>
- this.watchID = navigator.geolocation.watchPosition(
- function(position) { ... },
+ this.watchID = <a href="https://developer.mozilla.org/en-US/docs/Web/API/Geolocation.watchPosition">navigator.geolocation.watchPosition</a>(
+ function(position) {
+ position.coords.latitude / .longitude / .accuracy / ...
+ },
function(error) { ... },
{enableHighAccuracy: true, maximumAge: 10000, timeout: 60000}
);
<h1>Gravity Module</h1>
<div class="simplebox">
-<p>Accelerometer, Magnetic Compass</p>
-<p>APIs: deviceorientation, devicemotion events</p>
+<p>Accelerometer, Magnetometer</p>
+<p>APIs: <a href="https://developer.mozilla.org/en-US/docs/Web/API/DeviceOrientationEvent">deviceorientation</a>,
+<a href="https://developer.mozilla.org/en-US/docs/Web/API/DeviceMotionEvent">devicemotion</a> events</p>
<p>Permissions: ---</p>
</div>
</article>
<div class="simplebox">
<pre>
- window.addEventListener("deviceorientation", this.orientEvent, true);
- window.addEventListener("devicemotion", this.motionEvent, true);
+ window.addEventListener("<a href="https://developer.mozilla.org/en-US/docs/Web/Events/deviceorientation">deviceorientation</a>", this.orientEvent, true);
+ window.addEventListener("<a href="https://developer.mozilla.org/en-US/docs/Web/Events/devicemotion">devicemotion</a>", this.motionEvent, true);
orientEvent: function(orientData) {
orientData.alpha / .beta / .gamma (in °)
<div class="simplebox">
<p>Microphone</p>
-<p>APIs: WebRTC(getUserMedia), WebAudio</p>
+<p>APIs: <a href="https://developer.mozilla.org/en-US/docs/Web/Guide/API/WebRTC">WebRTC</a>(getUserMedia),
+<a href="https://developer.mozilla.org/en-US/docs/Web/API/Web_Audio_API">WebAudio</a></p>
<p>Permissions: audio-capture</p>
</div>
</article>
<div class="simplebox">
<pre>
+ <a href="https://developer.mozilla.org/en-US/docs/NavigatorUserMedia.getUserMedia">navigator.getUserMedia</a>({ audio: true },
+ function(aLocalMediaStream) {
+ gModSound.mAudio.stream = aLocalMediaStream;
+ gModSound.mAudio.context = new <a href="https://developer.mozilla.org/en-US/docs/Web/API/AudioContext">window.AudioContext</a>();
+ gModSound.mAudio.input =
+ gModSound.mAudio.context.createMediaStreamSource(gModSound.mAudio.stream);
+ gModSound.mAudio.analyzer = gModSound.mAudio.context<a href="https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode">.createAnalyser</a>();
+ gModSound.mAudio.input.connect(gModSound.mAudio.analyzer);
+ },
+ function(err) { ... }
+ );
+
+ // in window.requestAnimationFrame():
+ var data = new Uint8Array(gModSound.mAudio.frequencySlices);
+ gModSound.mAudio.analyzer<a href="https://developer.mozilla.org/en-US/docs/Web/API/AnalyserNode.getByteFrequencyData">.getByteFrequencyData</a>(data);
+ // ... do something with data ...
+
+ gModSound.mAudio.stream.stop();
</pre>
</div>
</article>
<div class="simplebox">
<p>Light, Proximity; Flashlight</p>
-<p>APIs: devicelight, deviceproximity events; Camera API</p>
+<p>APIs: <a href="https://developer.mozilla.org/en-US/docs/Web/API/DeviceLightEvent">devicelight</a>,
+<a href="https://developer.mozilla.org/en-US/docs/Web/API/DeviceProximityEvent">deviceproximity</a> events;
+<a href="https://developer.mozilla.org/en-US/docs/Web/API/Camera_API">Camera API</a></p>
<p>Permissions: ---; camera (for Flash)</p>
</div>
</article>
<div class="simplebox">
<pre>
+ window.addEventListener("<a href="https://developer.mozilla.org/en-US/docs/Web/Events/devicelight">devicelight</a>", this.lightEvent, true);
+ window.addEventListener("<a href="https://developer.mozilla.org/en-US/docs/Web/Events/deviceproximity">deviceproximity</a>", this.proxEvent, true);
+
+ lightEvent: function(lightData) {
+ lightData.value (in lux)
+ },
+ proxEvent: function(proxData) {
+ proxData.min <= .value <= .max (in cm)
+ },
+
+ window.removeEventListener("devicelight", this.lightEvent, true);
+ window.removeEventListener("deviceproximity", this.proxEvent, true);
+
+ // flash/torch code works via <a href="https://developer.mozilla.org/en-US/docs/Web/API/CameraManager.getCamera">navigator.mozCameras.getCamera</a>
+ // flaky and subject to change, please consult code on github
</pre>
</div>
</article>
<div class="simplebox">
<p>Battery</p>
-<p>APIs: Battery</p>
+<p>APIs: <a href="https://developer.mozilla.org/en-US/docs/Web/API/Battery_Status_API">Battery Status API</a></p>
<p>Permissions: ---</p>
</div>
</article>
<div class="simplebox">
<pre>
+ 0 <= <a href="https://developer.mozilla.org/en-US/docs/Web/API/Navigator.battery">navigator.battery</a>.level <= 1
+
+ .charging (true/false)
+
+ .chargingTime (in s; 0 or Infinity: unknown)
+
+ .dischargingTime (in s; 0 or Infinity: unknown)
</pre>
</div>
</article>