protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
Xamarin.Essentials.Platform.Init(this, savedInstanceState);
SetContentView(Resource.Layout.activity_main);
Android.Support.V7.Widget.Toolbar toolbar = FindViewById <Android.Support.V7.Widget.Toolbar>(Resource.Id.toolbar);
SetSupportActionBar(toolbar);
var sensorManager = SensorManager.FromContext(this);
ShakeDetector shakeDetector = new ShakeDetector(() =>
Toast.MakeText(this, "Don't shake me, bro!", ToastLength.Short).Show());
shakeDetector.Start(sensorManager);
var textView = new TextView(this);
textView.Gravity = GravityFlags.Center;
textView.Text = "Shake me, bro!";
SetContentView(
textView,
new ViewGroup.LayoutParams(
ViewGroup.LayoutParams.MatchParent,
ViewGroup.LayoutParams.MatchParent));
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// set up the sensor
var sensorManager = SensorManager.FromContext(this);
var shakeDetector = new ShakeDetector(() =>
{
Toast.MakeText(this, "Don't shake me, bro!", ToastLength.Short).Show();
});
shakeDetector.Start(sensorManager);
// create the UI
var textView = new TextView(this);
textView.Gravity = GravityFlags.Center;
textView.Text = "Shake me, bro!";
// set the UI
SetContentView(
textView,
new ViewGroup.LayoutParams(
ViewGroup.LayoutParams.MatchParent,
ViewGroup.LayoutParams.MatchParent));
}
public HingeSensor(Context context)
{
sensorManager = SensorManager.FromContext(context);
var sensors = sensorManager.GetSensorList(SensorType.All);
hingeSensor = sensors.FirstOrDefault(s => s.StringType.Equals(HINGE_SENSOR_TYPE, StringComparison.OrdinalIgnoreCase));
}
public ShakePageViewModel(Alarm alarm)
{
CurrentAlarm = alarm;
manager = SensorManager.FromContext(Forms.Context);
var accelerometer = manager.GetDefaultSensor(SensorType.Accelerometer);
ss.OnShake += AddShake;
manager.RegisterListener(ss, accelerometer, SensorDelay.Fastest);
DependencyService.Get <IAudio>().PlayMp3File("sanicRape.mp3", CurrentAlarm.Volume);
Device.StartTimer(TimeSpan.FromMilliseconds(16), OnTimerTick);
}
public FoldableHingeAngleSensor(object owner)
{
if (!(ContextHelper.Current is Activity currentActivity))
{
throw new InvalidOperationException("FoldableHingeAngleSensor must be initialized on the UI Thread");
}
_sensorManager = SensorManager.FromContext(currentActivity);
var sensors = _sensorManager.GetSensorList(Android.Hardware.SensorType.All);
_hingeSensor = sensors.FirstOrDefault(s => s.Name.Contains(HINGE_SENSOR_NAME, StringComparison.OrdinalIgnoreCase)); // NAME - generic foldable device/s
}
public HingeSensor(Context context)
{
sensorManager = SensorManager.FromContext(context);
var sensors = sensorManager.GetSensorList(SensorType.All);
foreach (var sensor in sensors)
{ // Use generic "hinge" sensor name, to match on a variety of folding device types
if (sensor.Name.Contains(HINGE_SENSOR_NAME, StringComparison.InvariantCultureIgnoreCase))
{
hingeSensor = sensor;
break;
}
}
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
var plotView = FindViewById <PlotView>(Resource.Id.plotView);
var sm = SensorManager.FromContext(this);
var sensor = sm.GetDefaultSensor(SensorType.LinearAcceleration);
var listener = new ObservableSensorListener(sm);
sm.RegisterListener(listener, sensor, SensorDelay.Normal);
// Here, we're going to take our raw data and make a version that
// is a bit less erratic, by averaging the last eight points. Trends
// are easier to see in smoothed graphs than in raw data.
var smoothedPoints = listener
.Buffer(8, 1)
.Select(xs => xs.Average());
var normalPointsSeries = new LineSeries();
var smoothedPointsSeries = new LineSeries();
// We're going to plot data relative to the time the graph was started
// (i.e. a point on the X-axis might be, '+3 seconds'), so we need to
// remember the current time, and reset it every time we reset the graph.
var currentTime = DateTimeOffset.Now;
smoothedPoints
.Select(x => new DataPoint((DateTimeOffset.Now - currentTime).TotalMilliseconds, x))
.Subscribe(x => smoothedPointsSeries.Points.Add(x));
listener
.Select(x => new DataPoint((DateTimeOffset.Now - currentTime).TotalMilliseconds, x))
.Subscribe(x => normalPointsSeries.Points.Add(x));
var maxPlotLength = 10; // seconds
// Since LineSeries' backing field is just a List, we need to manually
// tell OxyPlot to update the graph (we wouldn't want it updating for every
// point anyways!).
//
// We also need to clear the graph from time to time, similar to how
// an Oscilloscope works. We'll do that here too
Observable.Interval(TimeSpan.FromMilliseconds(250))
.Subscribe(x => {
// Observable.Interval schedules to background threads. We
// need to move to the UI thread to make changes
this.RunOnUiThread(() => {
// Clear the plot every maxPlotLength seconds
if (x % (maxPlotLength * 4) == 0)
{
normalPointsSeries.Points.Clear();
smoothedPointsSeries.Points.Clear();
currentTime = DateTimeOffset.Now;
}
// Cause the Plot to redraw
plotView.InvalidatePlot(true);
});
});
// Set up our graph
plotView.Model = new PlotModel();
plotView.Model.Series.Add(normalPointsSeries);
plotView.Model.Series.Add(smoothedPointsSeries);
}
private RTCProximitySensor(Context context, Runnable sensorStateListener)
{
_onSensorStateListener = sensorStateListener;
_sensorManager = SensorManager.FromContext(context);
}
