public SkinEffectActivity() : base(Resource.Layout.skin_effect_layout) { Loaded += delegate { // var tbFrequency = FindViewById <EditText>(Resource.Id.tb_frequency); var tbResitivity = FindViewById <EditText>(Resource.Id.tb_resistivity); var tbPermeability = FindViewById <EditText>(Resource.Id.tb_permeability); var lbOutput = FindViewById <TextView>(Resource.Id.lb_output); FindViewById <Button>(Resource.Id.btn_evaluate).Click += delegate { if (double.TryParse(tbPermeability.Text, out var pm) && double.TryParse(tbFrequency.Text, out var freq) && double.TryParse(tbResitivity.Text, out var resistivity)) { double a = Math.PI * pm * freq; var SkinDepth = resistivity / a; var b = Math.Sqrt(SkinDepth); lbOutput.Text = b.ToString(); } else { ToastHelpers.ShowRequiredInputs(this); } }; }; }
public RadarRangeActivity() : base(Resource.Layout.radar_range_layout) { Loaded += delegate { var tbPulsePeakPower = FindViewById <EditText>(Resource.Id.tb_pulse_peak_power); var tbMaxPowerGain = FindViewById <EditText>(Resource.Id.tb_max_power_gain); var tbAntennaAperture = FindViewById <EditText>(Resource.Id.tb_antenna_aperture); var tbCrossSectionArea = FindViewById <EditText>(Resource.Id.tb_cross_section_area); var tbPowerReceived = FindViewById <EditText>(Resource.Id.tb_power_received); var lbResult = FindViewById <TextView>(Resource.Id.lb_output); // FindViewById <Button>(Resource.Id.btn_evaluate).Click += delegate { if (double.TryParse(tbPulsePeakPower.Text, out var pulsePeakPower) && double.TryParse(tbMaxPowerGain.Text, out var maxPowerGain) && double.TryParse(tbAntennaAperture.Text, out var aperture) && double.TryParse(tbCrossSectionArea.Text, out var crossSectionArea) && double.TryParse(tbPowerReceived.Text, out var powerReceived)) { lbResult.Text = ((pulsePeakPower * maxPowerGain * aperture * crossSectionArea) / (Math.Pow(88.0 / 7.0, 2) * powerReceived)).ToString(); } else { ToastHelpers.ShowRequiredInputs(this); } }; }; }
public SimultaneousEquationActivity() : base(Resource.Layout.simultaneous_equation_layout) { Loaded += delegate { // var tbA = FindViewById<EditText>(Resource.Id.tb_a); var tbB = FindViewById<EditText>(Resource.Id.tb_b); var tbC = FindViewById<EditText>(Resource.Id.tb_c); var tbD = FindViewById<EditText>(Resource.Id.tb_d); var tbE = FindViewById<EditText>(Resource.Id.tb_e); var tbF = FindViewById<EditText>(Resource.Id.tb_f); var lbX = FindViewById<TextView>(Resource.Id.lb_output_x); var lbY = FindViewById<TextView>(Resource.Id.lb_output_y); // FindViewById<Button>(Resource.Id.btn_evaluate).Click += delegate { if (double.TryParse(tbA.Text, out var a) && double.TryParse(tbB.Text, out var b) && double.TryParse(tbC.Text, out var c) && double.TryParse(tbD.Text, out var d) && double.TryParse(tbE.Text, out var e) && double.TryParse(tbF.Text, out var f)) { // double y = ((a * f) - (d * c)) / ((a * e) - (b * d)); double x = (c - (b * y)) / a; lbX.Text = x.ToString("N"); lbY.Text = y.ToString("N"); } else { ToastHelpers.ShowRequiredInputs(this); } }; }; }
public CapacitiveReactanceActivity() : base(Resource.Layout.capacitive_reactance_layout) { Loaded += delegate { // var tbCapacitanceFreq = FindViewById <EditText>(Resource.Id.tb_capacitive_freq); var tbCapCapacitance = FindViewById <EditText>(Resource.Id.tb_capacitive_capacitance); var lbCapacitanceOut = FindViewById <TextView>(Resource.Id.lb_capacitance_out); // var tbInductiveFreq = FindViewById <EditText>(Resource.Id.tb_inductive_freq); var tbInductiveInductance = FindViewById <EditText>(Resource.Id.tb_inductive_inductance); var lbInductanceOut = FindViewById <TextView>(Resource.Id.lb_inductance_out); // FindViewById <Button>(Resource.Id.btn_evaluate_capacitance).Click += delegate { if (double.TryParse(tbCapacitanceFreq.Text, out var freq) && double.TryParse(tbCapCapacitance.Text, out var cap)) { lbCapacitanceOut.Text = (1.0 / (2.0 * Math.PI * freq * cap)).ToString(); } else { ToastHelpers.ShowRequiredInputs(this); } }; FindViewById <Button>(Resource.Id.btn_evaluate_reactance).Click += delegate { if (double.TryParse(tbInductiveFreq.Text, out var freq) && double.TryParse(tbInductiveInductance.Text, out var inductance)) { lbInductanceOut.Text = (2.0 * Math.PI * freq * inductance).ToString(); } else { ToastHelpers.ShowRequiredInputs(this); } }; }; }
public PowerDensityCalculatorActivity() : base(Resource.Layout.power_density_layout) { Loaded += delegate { var tbPower = FindViewById <EditText>(Resource.Id.tb_power); var tbGain = FindViewById <EditText>(Resource.Id.tb_gain); var tbDistance = FindViewById <EditText>(Resource.Id.tb_distance); var powerUnitSpinner = FindViewById <Spinner>(Resource.Id.spinner_out_power_unit); var gainUnitSpinner = FindViewById <Spinner>(Resource.Id.spinner_gain_unit); var distanceSpinner = FindViewById <Spinner>(Resource.Id.spinner_distancer_unit); // var lbOutput = FindViewById <TextView>(Resource.Id.lb_output); // powerUnitSpinner.Adapter = new ArrayAdapter <string>(this, Android.Resource.Layout.SimpleSpinnerDropDownItem, new string[] { "mW", "dbM", "dBW", "W" }); gainUnitSpinner.Adapter = new ArrayAdapter <string>(this, Android.Resource.Layout.SimpleSpinnerDropDownItem, new string[] { "Linear" }); distanceSpinner.Adapter = new ArrayAdapter <string>(this, Android.Resource.Layout.SimpleSpinnerDropDownItem, new string[] { "Inches", "Yards", "Miles", "Feets", "Metres" }); FindViewById <Button>(Resource.Id.btn_evaluate).Click += delegate { if (double.TryParse(tbPower.Text, out var pOut) && double.TryParse(tbDistance.Text, out var D) && double.TryParse(tbGain.Text, out var gain)) { switch (powerUnitSpinner.SelectedItemPosition) { case 0: pOut = pOut / 100.0; break; case 1: pOut = Math.Pow(10, pOut / 10.0) / 1000.0; break; case 2: pOut = Math.Pow(10, pOut / 10.0); break; } switch (distanceSpinner.SelectedItemPosition) { case 0: D = 0.0254 * D; break; case 1: D = 0.9144 * D; break; case 2: D = 1609.344 * D; break; case 3: D = D * 0.3048; break; } // double power = (pOut * gain) / (4 * Math.PI * (D * D)); lbOutput.Text = power.ToString(); } else { ToastHelpers.ShowRequiredInputs(this); } }; }; }
public NewtonRaphsonActivity() : base(Resource.Layout.newton_raphson_layout) { Loaded += delegate { // var tbA = FindViewById <EditText>(Resource.Id.tb_a); var tbB = FindViewById <EditText>(Resource.Id.tb_b); var tbC = FindViewById <EditText>(Resource.Id.tb_c); var tbD = FindViewById <EditText>(Resource.Id.tb_d); var lbX1 = FindViewById <TextView>(Resource.Id.lb_x1); var lbX2 = FindViewById <TextView>(Resource.Id.lb_x2); var lbX3 = FindViewById <TextView>(Resource.Id.lb_x3); FindViewById <Button>(Resource.Id.btn_evaluate).Click += delegate { if (double.TryParse(tbA.Text, out var a) && double.TryParse(tbB.Text, out var b) && double.TryParse(tbC.Text, out var c) && double.TryParse(tbD.Text, out var d)) { double x = 1; double y1 = 3 * a * x * x + 2 * b * x + c; if (y1 == 0) { x = x + 0.5; y1 = 3 * a * x * x + 2 * b * x + c; } int i = 0; double y2 = a * x * x * x + b * x * x + c * x + d; double y = x - y2 / y1; while (x != y && i != 100) { i = i + 1; x = y; y1 = 3 * a * x * x + 2 * b * x + c; y2 = a * x * x * x + b * x * x + c * x + d; y = x - y2 / y1; } double xo = x; double x1 = -1; x = x1; y1 = 3 * a * x * x + 2 * b * x + c; if (y1 == 0) { x = x + 0.5; y1 = 3 * a * x * x + 2 * b * x + c; } int i1 = 0; y2 = a * x * x * x + b * x * x + c * x + d; y = x - y2 / y1; while (x != y && i1 != 100) { i = i1 + 1; x = y; y1 = 3 * a * x * x + 2 * b * x + c; y2 = a * x * x * x + b * x * x + c * x + d; y = x - y2 / y1; } x1 = x; double x2 = 15; x = x2; y1 = 3 * a * x * x + 2 * b * x + c; if (y1 == 0) { x = x + 0.5; y1 = 3 * a * x * x + 2 * b * x + c; } int i2 = 0; y2 = a * x * x * x + b * x * x + c * x + d; y = x - y2 / y1; while (x != y && i2 != 100) { i = i + 1; x = y; y1 = 3 * a * x * x + 2 * b * x + c; y2 = a * x * x * x + b * x * x + c * x + d; y = x - y2 / y1; } x2 = x; // lbX1.Text = xo.ToString(); if (x1 != xo && x1 != x2) { lbX2.Text = x1.ToString(); } else { lbX2.Text = "0"; } if (x2 != xo && x2 != x1) { lbX3.Text = x2.ToString(); } else { lbX3.Text = "0"; } } else { ToastHelpers.ShowRequiredInputs(this); } }; }; }