public static double RadialPointToValue(C1RadialGauge radialGauge, Point point)
{
Point center = new Point(radialGauge.PointerOrigin.X * radialGauge.RenderSize.Width, radialGauge.PointerOrigin.Y * radialGauge.RenderSize.Height);
double angle = Mod360(Math.Atan2(point.X - center.X, center.Y - point.Y) * 180 / Math.PI);
return(AngleToValue(radialGauge, angle));
}
static double LogicalToValue(C1RadialGauge radialGauge, double alpha)
{
if (alpha <= 0)
{
return(radialGauge.Minimum);
}
if (1 <= alpha)
{
return(radialGauge.Maximum);
}
double linearValue;
if (!radialGauge.IsLogarithmic)
{
linearValue = alpha;
}
else
{
if (radialGauge.LogarithmicBase <= 1)
{
return(radialGauge.Minimum);
}
linearValue = (Math.Pow(radialGauge.LogarithmicBase, alpha) - 1) / (radialGauge.LogarithmicBase - 1);
}
return(radialGauge.Minimum + (radialGauge.Maximum - radialGauge.Minimum) * linearValue);
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.activity_using_ranges);
var toolbar = FindViewById <Toolbar>(Resource.Id.toolbar);
SetSupportActionBar(toolbar);
SupportActionBar.Title = GetString(Resource.String.using_ranges);
SupportActionBar.SetDisplayHomeAsUpEnabled(true);
SupportActionBar.SetHomeButtonEnabled(true);
// initializing widgets
mSwitchRange = (Switch)FindViewById(Resource.Id.switchRange);
mLinearGauge = (C1LinearGauge)FindViewById(Resource.Id.linearGauge1);
mRadialGauge = (C1RadialGauge)FindViewById(Resource.Id.radialGauge1);
mValueText = (TextView)FindViewById(Resource.Id.valueText);
// setting dafault values
mValueText.Text = mVal.ToString();
setRange(0, 40, Color.ParseColor("#22B14C"));
setRange(40, 80, Color.ParseColor("#FF8080"));
setRange(80, 100, Color.ParseColor("#EEE04A"));
//mRadialGauge.Ranges = mRanges;
//mLinearGauge.Ranges = mRanges;
mRadialGauge.ShowRanges = false;
mLinearGauge.ShowRanges = false;
mLinearGauge.Value = mVal;
mLinearGauge.Min = mMin;
mLinearGauge.Max = mMax;
mLinearGauge.Step = 1;
mLinearGauge.ShowText = GaugeShowText.None;
//mLinearGauge.GaugeWidth = .5f;
mRadialGauge.Value = mVal;
mRadialGauge.Min = mMin;
mRadialGauge.Max = mMax;
mRadialGauge.Step = 1;
mRadialGauge.ShowText = GaugeShowText.None;
//mRadialGauge.GaugeWidth = .5f;
mSwitchRange.CheckedChange += mSwitchRange_CheckedChange;
Button minusButton = (Button)FindViewById(Resource.Id.buttonMinus);
minusButton.Click += button_Click;
Button plusButton = (Button)FindViewById(Resource.Id.buttonPlus);
plusButton.Click += button_Click;
mLinearGauge.ValueChanged += OnValueChanged;
mRadialGauge.ValueChanged += OnValueChanged;
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
SetContentView(Resource.Layout.activity_automatic_scaling);
var toolbar = FindViewById <Toolbar>(Resource.Id.toolbar);
SetSupportActionBar(toolbar);
SupportActionBar.Title = GetString(Resource.String.automatic_scaling);
SupportActionBar.SetDisplayHomeAsUpEnabled(true);
SupportActionBar.SetHomeButtonEnabled(true);
// initialize required widgets
mStartText = (TextView)FindViewById(Resource.Id.startAngleText);
mSweepText = (TextView)FindViewById(Resource.Id.sweepAngleText);
mRadialGauge = (C1RadialGauge)FindViewById(Resource.Id.radialGauge1);
// setting default values
mStartText.Text = mRadialGauge.StartAngle.ToString();
mSweepText.Text = mRadialGauge.SweepAngle.ToString();
mRadialGauge.Value = 60;
mRadialGauge.Max = 200;
mRadialGauge.ShowText = GaugeShowText.All;
mRadialGauge.Step = 1;
mRadialGauge.Animate();
mRadialGauge.AutoScale = true;
// setting timer for auto scaling
//timer.Elapsed += new System.Timers.ElapsedEventHandler(elapsedEventHandler);
//timer.Enabled = true;
//timer.AutoReset = true;
//timer.Start();
minusButton = (Button)FindViewById(Resource.Id.buttonStartMinus);
minusButton.Enabled = false;
minusButton.Click += button_Click;
plusButton = (Button)FindViewById(Resource.Id.buttonStartPlus);
plusButton.Click += button_Click;
minusSweepButton = (Button)FindViewById(Resource.Id.buttonSweepMinus);
minusSweepButton.Click += button_Click;
plusSweepButton = (Button)FindViewById(Resource.Id.buttonSweepPlus);
plusSweepButton.Click += button_Click;
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
this.SetContentView(Resource.Layout.activity_snapshot);
var toolbar = FindViewById <Toolbar>(Resource.Id.toolbar);
SetSupportActionBar(toolbar);
SupportActionBar.Title = GetString(Resource.String.snapshot);
SupportActionBar.SetDisplayHomeAsUpEnabled(true);
SupportActionBar.SetHomeButtonEnabled(true);
mRadialGauge = this.FindViewById <C1RadialGauge>(Resource.Id.radialGauge1);
mRadialGauge.Enabled = false;
mRadialGauge.Value = 25;
mRadialGauge.Step = 1;
mRadialGauge.Max = 100;
mRadialGauge.Min = 1;
mRadialGauge.ShowText = GaugeShowText.All;
}
static double AngleToLogical(C1RadialGauge radialGauge, double angle)
{
var relativeAngle = Mod360(angle - radialGauge.StartAngle);
var absSweepAngle = radialGauge.SweepAngle;
if (absSweepAngle == 0 || relativeAngle == 0)
{
return(0);
}
if (absSweepAngle < 0)
{
relativeAngle = 360 - relativeAngle;
absSweepAngle = -absSweepAngle;
}
var overflow = relativeAngle - absSweepAngle;
if (overflow > 0)
{
var underflow = 360 - relativeAngle;
return(overflow < underflow ? 1 : 0);
}
return(relativeAngle / absSweepAngle);
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
SetContentView(Resource.Layout.activity_getting_started);
var toolbar = FindViewById <Toolbar>(Resource.Id.toolbar);
SetSupportActionBar(toolbar);
SupportActionBar.Title = GetString(Resource.String.getting_started);
SupportActionBar.SetDisplayHomeAsUpEnabled(true);
SupportActionBar.SetHomeButtonEnabled(true);
// initializing widgets
mRadialGauge = (C1RadialGauge)FindViewById(Resource.Id.radialGauge1);
mLinearGauge = (C1LinearGauge)FindViewById(Resource.Id.linearGauge1);
mBulletGraph = (C1BulletGraph)FindViewById(Resource.Id.bulletGraph1);
mValueText = (TextView)FindViewById(Resource.Id.valueText);
// setting dafault values
mValueText.Text = mValue.ToString();
mBulletGraph.Enabled = true;
mBulletGraph.Value = mValue;
mBulletGraph.Bad = 45;
mBulletGraph.Good = 80;
mBulletGraph.Min = mMin;
mBulletGraph.Max = mMax;
mBulletGraph.Target = 90;
mBulletGraph.ShowText = GaugeShowText.All;
mBulletGraph.Step = 1;
mBulletGraph.IsReadOnly = false;
mBulletGraph.IsAnimated = true;
mLinearGauge.Enabled = true;
mLinearGauge.Value = mValue;
mLinearGauge.Min = mMin;
mLinearGauge.Max = mMax;
mLinearGauge.Step = 1;
mLinearGauge.ShowText = GaugeShowText.All;
mLinearGauge.IsReadOnly = false;
mLinearGauge.IsAnimated = true;
mRadialGauge.Enabled = true;
mRadialGauge.Value = mValue;
mRadialGauge.Min = mMin;
mRadialGauge.Max = mMax;
mRadialGauge.Step = 1;
mRadialGauge.ShowText = GaugeShowText.All;
mRadialGauge.IsReadOnly = false;
mRadialGauge.IsAnimated = true;
Button minusButton = (Button)FindViewById(Resource.Id.buttonValueMinus);
minusButton.Click += button_Click;
Button plusButton = (Button)FindViewById(Resource.Id.buttonValuePlus);
plusButton.Click += button_Click;
mLinearGauge.ValueChanged += OnValueChanged;
mRadialGauge.ValueChanged += OnValueChanged;
mBulletGraph.ValueChanged += OnValueChanged;
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
SetContentView(Resource.Layout.activity_displaying_values);
var toolbar = FindViewById <Toolbar>(Resource.Id.toolbar);
SetSupportActionBar(toolbar);
SupportActionBar.Title = GetString(Resource.String.displaying_values);
SupportActionBar.SetDisplayHomeAsUpEnabled(true);
SupportActionBar.SetHomeButtonEnabled(true);
// initializing widgets
mLinearGauge = (C1LinearGauge)FindViewById(Resource.Id.linearGauge1);
mRadialGauge = (C1RadialGauge)FindViewById(Resource.Id.radialGauge1);
mShowTextSpinner = (Spinner)FindViewById(Resource.Id.showTextSpinner);
mValueText = (TextView)FindViewById(Resource.Id.valueText);
// creating and initializing adapter to string array
ArrayAdapter adapter1 = ArrayAdapter.CreateFromResource(this, Resource.Array.showTextSpinnerValues, Android.Resource.Layout.SimpleSpinnerItem);
// Specify the layout to use when the list of choices appears
adapter1.SetDropDownViewResource(Android.Resource.Layout.SimpleSpinnerDropDownItem);
// Apply the adapter to the spinner
mShowTextSpinner.Adapter = adapter1;
mShowTextSpinner.ItemSelected += mShowTextSpinner_ItemSelected;
// setting dafault values
mValueText.Text = ((int)(mValue * 100)).ToString();
mLinearGauge.ShowText = GaugeShowText.All;
mRadialGauge.ShowText = GaugeShowText.All;
setRange(0, 40, -65536);
setRange(40, 80, -256);
setRange(80, 100, -16711936);
mLinearGauge.Min = 0;
mLinearGauge.Max = 1;
mLinearGauge.Step = .01f;
// mLinearGauge.Ranges = mRanges;
mLinearGauge.ShowRanges = false;
mLinearGauge.ShowText = GaugeShowText.All;
//mLinearGauge.GaugeWidth = .5f;
mLinearGauge.Animate();
mLinearGauge.Format = "0%";
mLinearGauge.Value = mValue;
mRadialGauge.Min = 0;
mRadialGauge.Max = 1;
mRadialGauge.Step = .01f;
//mRadialGauge.Ranges = mRanges;
mRadialGauge.ShowRanges = false;
mRadialGauge.ShowText = GaugeShowText.All;
//mRadialGauge.GaugeWidth = .5f;
mRadialGauge.Animate();
mRadialGauge.Format = "0%";
mRadialGauge.Value = mValue;
Button minusButton = (Button)FindViewById(Resource.Id.buttonMinus);
minusButton.Click += button_Click;
Button plusButton = (Button)FindViewById(Resource.Id.buttonPlus);
plusButton.Click += button_Click;
mLinearGauge.ValueChanged += OnValueChanged;
mRadialGauge.ValueChanged += OnValueChanged;
}
static double AngleToValue(C1RadialGauge radialGauge, double angle)
{
double alpha = AngleToLogical(radialGauge, angle);
return(LogicalToValue(radialGauge, alpha));
}