/// <summary>
/// Set defaults value.
/// </summary>
void SetDefaultValue()
{
// TextProperty
nativeButton.SetText(fixedButton.Text, Android.Widget.TextView.BufferType.Normal);
nativeButton.TextAlignment = Android.Views.TextAlignment.Center;
// TextColorProperty
nativeButton.SetTextColor(fixedButton.TextColor.ToAndroid());
// ButtonBackgroundColorProperty
nativeButton.SetBackgroundColor(fixedButton.ButtonBackgroundColor.ToAndroid());
}
private async Task SetImageSourceAsync(Android.Widget.Button targetButton, ImageButton model)
{
if (targetButton == null || targetButton.Handle == IntPtr.Zero || model == null)
{
return;
}
var source = model.IsEnabled ? model.Source : model.DisabledSource ?? model.Source;
using (var bitmap = await GetBitmapAsync(source))
{
if (bitmap == null)
{
targetButton.SetCompoundDrawables(null, null, null, null);
}
else
{
var drawable = new BitmapDrawable(bitmap);
using (var scaledDrawable = GetScaleDrawable(drawable, GetWidth(model.ImageWidthRequest), GetHeight(model.ImageHeightRequest)))
{
Drawable left = null;
Drawable right = null;
Drawable top = null;
Drawable bottom = null;
int padding = 5;
targetButton.CompoundDrawablePadding = RequestToPixels(padding);
switch (model.Orientation)
{
case ImageOrientation.ImageToLeft:
targetButton.Gravity = GravityFlags.Left | GravityFlags.CenterVertical;
left = scaledDrawable;
break;
case ImageOrientation.ImageToRight:
targetButton.Gravity = GravityFlags.Right | GravityFlags.CenterVertical;
right = scaledDrawable;
break;
case ImageOrientation.ImageOnTop:
targetButton.Gravity = GravityFlags.Top | GravityFlags.CenterHorizontal;
top = scaledDrawable;
break;
case ImageOrientation.ImageOnBottom:
targetButton.Gravity = GravityFlags.Bottom | GravityFlags.CenterHorizontal;
bottom = scaledDrawable;
break;
case ImageOrientation.ImageCentered:
targetButton.Gravity = GravityFlags.Center;
top = scaledDrawable;
break;
}
targetButton.SetCompoundDrawables(left, top, right, bottom);
targetButton.SetBackgroundColor(Android.Graphics.Color.Transparent);
}
}
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Xamarin.Forms.Button> e)
{
base.OnElementChanged(e);
Android.Widget.Button thisButton = Control as Android.Widget.Button;
FancyButton formsButton = (FancyButton)Element;
_pressedDownColor = formsButton.PressedDownColor;
thisButton.Touch += (object sender, Android.Views.View.TouchEventArgs e2) => {
if (e2.Event.Action == MotionEventActions.Down)
{
thisButton.SetBackgroundColor(_pressedDownColor.ToAndroid());
}
else if (e2.Event.Action == MotionEventActions.Up)
{
thisButton.SetBackgroundColor(Xamarin.Forms.Color.Default.ToAndroid());
}
};
}