public override void OnActivityCreated(Bundle savedInstanceState)
{
base.OnActivityCreated(savedInstanceState);
// Triad libraries
var majorTriads = new ChordLibrary();
majorTriads.AddMajorTriads();
var minorTriads = new ChordLibrary();
minorTriads.AddMinorTriads();
var augmentedTriads = new ChordLibrary();
augmentedTriads.AddAugmentedTriads();
var diminishedTriads = new ChordLibrary();
diminishedTriads.AddDiminishedTriads();
// Seventh libraries
var majorSevenths = new ChordLibrary();
majorSevenths.AddMajorSevenths();
var minorSevenths = new ChordLibrary();
minorSevenths.AddMinorSevenths();
var dominantSevenths = new ChordLibrary();
dominantSevenths.AddDominantSevenths();
var halfDiminishedSevenths = new ChordLibrary();
halfDiminishedSevenths.AddHalfDiminishedSevenths();
var fullyDiminishedSevenths = new ChordLibrary();
fullyDiminishedSevenths.AddFullyDiminishedSevenths();
// set up the spinner
var spinner = this.Activity.FindViewById <Spinner>(Resource.Id.rootSpinner);
var adapter = ArrayAdapter <String> .CreateFromResource(this.Activity, Resource.Array.roots, Android.Resource.Layout.SimpleSpinnerItem);
adapter.SetDropDownViewResource(Android.Resource.Layout.SimpleSpinnerDropDownItem);
spinner.Adapter = adapter;
spinner.ItemSelected += (object sender, AdapterView.ItemSelectedEventArgs e) =>
{
spinner = (Spinner)sender;
selectedRoot = (string)spinner.GetItemAtPosition(e.Position);
};
// toggle buttons to show either triads or sevenths radio groups
var showTriadsButton = this.Activity.FindViewById <Button>(Resource.Id.showTriadsButton);
var showSeventhsButton = this.Activity.FindViewById <Button>(Resource.Id.showSeventhsButton);
var triadsRadioGroup = this.Activity.FindViewById <RadioGroup>(Resource.Id.triadsRadioGroup);
var seventhsRadioGroup = this.Activity.FindViewById <RadioGroup>(Resource.Id.seventhsRadioGroup);
showTriadsButton.Click += (object sender, EventArgs e) =>
{
triadsRadioGroup.Visibility = ViewStates.Visible;
seventhsRadioGroup.Visibility = ViewStates.Invisible;
};
showSeventhsButton.Click += (object sender, EventArgs e) =>
{
seventhsRadioGroup.Visibility = ViewStates.Visible;
triadsRadioGroup.Visibility = ViewStates.Invisible;
};
// set up the show spelling button
var showSpellingButton = this.Activity.FindViewById <Button>(Resource.Id.showSpellingButton);
var chordNameTextView = this.Activity.FindViewById <TextView>(Resource.Id.chordNameTextView);
var chordSpellingTextView = this.Activity.FindViewById <TextView>(Resource.Id.chordSpellingTextView);
showSpellingButton.Click += (object sender, EventArgs e) =>
{
// set the chordToSpell based on which radio group is visible (triads/sevenths), and which radio button is checked
if (triadsRadioGroup.Visibility == ViewStates.Visible)
{
switch (triadsRadioGroup.CheckedRadioButtonId)
{
case Resource.Id.majorTriadRadioButton:
chordToSpell = majorTriads.SpellChord(selectedRoot);
break;
case Resource.Id.minorTriadRadioButton:
chordToSpell = minorTriads.SpellChord(selectedRoot);
break;
case Resource.Id.augmentedTriadRadioButton:
chordToSpell = augmentedTriads.SpellChord(selectedRoot);
break;
case Resource.Id.diminishedTriadRadioButton:
chordToSpell = diminishedTriads.SpellChord(selectedRoot);
break;
}
}
else // seventhsRadioGroup is visible
{
switch (seventhsRadioGroup.CheckedRadioButtonId)
{
case (Resource.Id.major7RadioButton):
chordToSpell = majorSevenths.SpellChord(selectedRoot);
break;
case (Resource.Id.minor7RadioButton):
chordToSpell = minorSevenths.SpellChord(selectedRoot);
break;
case (Resource.Id.dominant7RadioButton):
chordToSpell = dominantSevenths.SpellChord(selectedRoot);
break;
case (Resource.Id.halfDim7RadioButton):
chordToSpell = halfDiminishedSevenths.SpellChord(selectedRoot);
break;
case (Resource.Id.fullyDim7RadioButton):
chordToSpell = fullyDiminishedSevenths.SpellChord(selectedRoot);
break;
}
}
chordNameTextView.Text = chordToSpell.Key;
chordSpellingTextView.Text = chordToSpell.Value;
};
}
public override void OnActivityCreated(Bundle savedInstanceState)
{
base.OnActivityCreated(savedInstanceState);
ISharedPreferences prefs = PreferenceManager.GetDefaultSharedPreferences(this.Activity);
chordLib = new ChordLibrary();
// Include specific triads/sevenths based on preferences (all included by default)
if (prefs.GetBoolean("select_major_triads", true))
{
chordLib.AddMajorTriads();
}
if (prefs.GetBoolean("select_minor_triads", true))
{
chordLib.AddMinorTriads();
}
if (prefs.GetBoolean("select_augmented_triads", true))
{
chordLib.AddAugmentedTriads();
}
if (prefs.GetBoolean("select_diminished_triads", true))
{
chordLib.AddDiminishedTriads();
}
if (prefs.GetBoolean("select_major_sevenths", true))
{
chordLib.AddMajorSevenths();
}
if (prefs.GetBoolean("select_minor_sevenths", true))
{
chordLib.AddMinorSevenths();
}
if (prefs.GetBoolean("select_dominant_sevenths", true))
{
chordLib.AddDominantSevenths();
}
if (prefs.GetBoolean("select_half_diminished_sevenths", true))
{
chordLib.AddHalfDiminishedSevenths();
}
if (prefs.GetBoolean("select_fully_diminished_sevenths", true))
{
chordLib.AddFullyDiminishedSevenths();
}
var newChordButton = this.Activity.FindViewById <Button>(Resource.Id.newChordButton);
var checkSpellingButton = this.Activity.FindViewById <Button>(Resource.Id.checkSpellingButton);
var tryAgainButton = this.Activity.FindViewById <Button>(Resource.Id.tryAgainButton);
var showAnswerButton = this.Activity.FindViewById <Button>(Resource.Id.showAnswerButton);
var newChordTextView = this.Activity.FindViewById <TextView>(Resource.Id.newChordTextView);
spellingTextView = this.Activity.FindViewById <TextView>(Resource.Id.spellingTextView);
var resultTextView = this.Activity.FindViewById <TextView>(Resource.Id.resultTextView);
var cButton = this.Activity.FindViewById <Button>(Resource.Id.cButton);
var dButton = this.Activity.FindViewById <Button>(Resource.Id.dButton);
var eButton = this.Activity.FindViewById <Button>(Resource.Id.eButton);
var fButton = this.Activity.FindViewById <Button>(Resource.Id.fButton);
var gButton = this.Activity.FindViewById <Button>(Resource.Id.gButton);
var aButton = this.Activity.FindViewById <Button>(Resource.Id.aButton);
var bButton = this.Activity.FindViewById <Button>(Resource.Id.bButton);
cButton.Click += noteButton_Click;
dButton.Click += noteButton_Click;
eButton.Click += noteButton_Click;
fButton.Click += noteButton_Click;
gButton.Click += noteButton_Click;
aButton.Click += noteButton_Click;
bButton.Click += noteButton_Click;
var sharpButton = this.Activity.FindViewById <Button>(Resource.Id.sharpButton);
var flatButton = this.Activity.FindViewById <Button>(Resource.Id.flatButton);
sharpButton.Click += accidentalButton_Click;
flatButton.Click += accidentalButton_Click;
newChordButton.Click += (sender, e) =>
{
chordLib.GetRandomChord();
newChordTextView.Text = chordLib.ChordName;
// reset for next chord
spellingTextView.Text = "";
resultTextView.Text = "";
userSpelling = "";
numClicks = 0;
};
checkSpellingButton.Click += (sender, e) =>
{
bool result = chordLib.CheckChordSpelling(userSpelling, chordLib.ChordSpelling);
if (result)
{
resultTextView.Text = "CORRECT!";
}
else
{
resultTextView.Text = "INCORRECT";
}
};
tryAgainButton.Click += (sender, e) =>
{
userSpelling = "";
spellingTextView.Text = userSpelling;
resultTextView.Text = "";
numClicks = 0;
};
showAnswerButton.Click += (sender, e) =>
{
resultTextView.Text = chordLib.ChordSpelling;
};
// Quick-and-easy EXCEPTION HANDLING (as opposed to disabling/enabling all those buttons)
// Set a default C major chord to prevent exceptions when note or accidental buttons are clicked
// (the checkSpelling, tryAgain, showAnswer buttons don't throw an exception)
chordLib.ChordName = "C major";
chordLib.ChordSpelling = "C-E-G";
}