void AddShadow(PreferredTheme preferredTheme)
{
if (NavigationBar is null)
{
return;
}
if (isLightTheme(preferredTheme))
{
NavigationBar.Layer.ShadowColor = UIColor.Gray.CGColor;
NavigationBar.Layer.ShadowOffset = new CGSize();
NavigationBar.Layer.ShadowOpacity = 1;
}
else if (isDarkTheme(preferredTheme))
{
NavigationBar.Layer.ShadowColor = UIColor.White.CGColor;
NavigationBar.Layer.ShadowOffset = new CGSize(0, -3);
NavigationBar.Layer.ShadowOpacity = 0;
}
public void PreferenceTest()
{
//Arrange
PreferredTheme preferredTheme_Initial, preferredTheme_Final;
const PreferredTheme expectedFinalPreferredTheme = PreferredTheme.Dark;
var themeService = ServiceCollection.ServiceProvider.GetRequiredService <ThemeService>();
//Act
preferredTheme_Initial = themeService.Preference;
themeService.Preference = expectedFinalPreferredTheme;
preferredTheme_Final = themeService.Preference;
//Assert
Assert.AreEqual(PreferredTheme.Default, preferredTheme_Initial);
Assert.AreEqual(expectedFinalPreferredTheme, preferredTheme_Final);
}
public async Task VerifyThemePicker()
{
//Arrange
PreferredTheme preferredTheme_Initial = SettingsPage.PreferredTheme;
PreferredTheme preferredTheme_Light, preferredTheme_Dark;
//Act
await SettingsPage.SelectTheme(PreferredTheme.Light).ConfigureAwait(false);
preferredTheme_Light = SettingsPage.PreferredTheme;
await SettingsPage.SelectTheme(PreferredTheme.Dark).ConfigureAwait(false);
preferredTheme_Dark = SettingsPage.PreferredTheme;
//Assert
Assert.AreEqual(PreferredTheme.Default, preferredTheme_Initial);
Assert.AreEqual(PreferredTheme.Light, preferredTheme_Light);
Assert.AreEqual(PreferredTheme.Dark, preferredTheme_Dark);
}
public Task SelectTheme(PreferredTheme preferredTheme)
{
var rowNumber = (int)preferredTheme;
var totalRows = Enum.GetNames(typeof(PreferredTheme)).Count();
var rowOffset = App switch
{
iOSApp _ => rowNumber.Equals(totalRows - 1) ? -1 : 1,
AndroidApp _ => 0,
_ => throw new NotSupportedException()
};
try
{
App.Tap(_themePicker);
}
catch
{
App.Tap(_themePickerContainer);
}
scrollToRow(App, rowNumber, rowOffset, totalRows, preferredTheme);
if (App is iOSApp)
{
App.Tap(x => x.Marked("Done"));
}
else if (App is AndroidApp)
{
App.Tap(x => x.Marked("OK"));
}
else
{
throw new NotSupportedException();
}
App.Screenshot($"Selected Row From Picker: {preferredTheme}");
return(WaitForPageToLoad());
static bool isLightTheme(PreferredTheme preferredTheme) => preferredTheme is PreferredTheme.Light || preferredTheme is PreferredTheme.Default && Xamarin.Forms.Application.Current.RequestedTheme is OSAppTheme.Light;
void HandlePreferenceChanged(object sender, PreferredTheme e) => SetPickerBorder();
static bool isDarkTheme(PreferredTheme theme) => theme is PreferredTheme.Dark || theme is PreferredTheme.Default && Xamarin.Forms.Application.Current?.RequestedTheme is OSAppTheme.Dark;
void HandlePreferenceChanged(object sender, PreferredTheme e) => AddShadow(e);
void HandlePreferenceChanged(object sender, PreferredTheme e) => SetBackgroundColor();
public Task SelectTheme(PreferredTheme preferredTheme)
{
var isQueryEnabled = App.Query(_themePicker).First().Enabled;
if (!isQueryEnabled)
{
throw new Exception("Theme Picker Disabled");
}
var rowNumber = (int)preferredTheme;
var totalRows = Enum.GetNames(typeof(PreferredTheme)).Count();
var rowOffset = App switch
{
iOSApp _ => rowNumber.Equals(totalRows - 1) ? -1 : 1,
AndroidApp _ => 0,
_ => throw new NotSupportedException()
};
App.Tap(_themePicker);
scrollToRow(rowOffset);
if (App is iOSApp)
{
App.Tap(x => x.Marked("Done"));
}
else if (App is AndroidApp)
{
App.Tap(x => x.Marked("OK"));
}
App.Screenshot($"Selected Row From Picker: {preferredTheme}");
return(WaitForPageToLoad());
void scrollToRow(int offset)
{
switch (App)
{
case iOSApp iosApp:
iosApp.WaitForElement(x => x.Class("UIPickerView"));
iosApp.Query(x => x.Class("UIPickerView").Invoke("selectRow", rowNumber + offset, "inComponent", 0, "animated", true));
App.Tap(preferredTheme.ToString());
break;
case AndroidApp androidApp:
androidApp.WaitForElement(x => x.Class("android.widget.ScrollView"));
while (rowNumber + offset != getCurrentPickerRow(androidApp) && totalRows - 1 != getCurrentPickerRow(androidApp))
{
androidApp.Query(x => x.Class("android.widget.NumberPicker").Invoke("scrollBy", 0, -50));
}
while (getCurrentPickerRow(androidApp) != rowNumber)
{
androidApp.Query(x => x.Class("android.widget.NumberPicker").Invoke("scrollBy", 0, 50));
}
break;
default:
throw new NotSupportedException($"{App.GetType()} Not Supported");
}
App.Screenshot($"Scrolled To Row: {preferredTheme}");
void HandlePreferenceChanged(object sender, PreferredTheme e) => SetBorderColor();
