[forms-devel] forms-devel Digest, Vol 4, Issue 2
rina you
rina6350.you at gmail.com
Wed Aug 17 06:09:01 UTC 2016
Hello,
I'd like to share a draft spec for CheckBox in the mailing list.
And then, I will make a PR for CheckBox based on other opinions in this
mailing list.
* The CheckBox will inherit View and IFontElement and have a public
constructor for initializing a new instance of the CheckBox class.
* The CheckBox will have the following public fields for bindable
properties:
- public static readonly BindableProperty FontAttributesProperty :
Identifies the FontAttributes bindable property.
- public static readonly BindableProperty FontFamilyProperty :
Identifies the FontFamily bindable property.
- public static readonly BindableProperty FontSizeProperty :
Identifies the FontSize bindable property.
- public static readonly BindableProperty IsCheckedProperty :
Identifies the IsChecked bindable property.
- public static readonly BindableProperty TextProperty :
Identifies the Text bindable property.
- public static readonly BindableProperty TextColorProperty :
Identifies the TextColor bindable property.
* The CheckBox will have the following public properties.
- public Font FontAttributes : A value that indicates whether the font of
the checkbox is bold, italic or neither.
- public String FontFamily : A value that indicates the font family
which the checkbox font belongs to.
- public Double FontSize : A value that indicates font size of the
checkbox.
- public bool IsChecked : A value that indicates whether this
checkbox is checked or not.
- public String Text : A value for the text that is displayed as
the content of the checkbox.
- public Color TextColor : A value that indicates the color for the
text of checkbox.
* The CheckBox will have an event.
- public event EventHandler Clicked : This event occurs when the checkbox
is checked.
If you have any opinion about the draft spec for CheckBox, please, could
you share your opinion?
I look forward to hearing any opinions about this draft spec.
Thank you.
Best regards,
- Rina You
2016. 8. 16. 오후 7:18에 "rina you" <rina6350.you at gmail.com>님이 작성:
> Hello,
>
> I am happy to hear this news from you.
> In this case, should I prepare the PR for CheckBox?
> I look forward to hearing your opinion.
> Thank you.
>
> Best regards,
>
> - Rina You
>
> 2016. 8. 16. 오후 4:26에 "Jason Smith" <jas at microsoft.com>님이 작성:
>
>> In general we are on board with the creation of a general Checkbox
>> control. I would love to see an API proposal here in the mailing list J
>>
>>
>>
>> *From:* forms-devel [mailto:forms-devel-bounces at lists.dot.net] *On
>> Behalf Of *rina you
>> *Sent:* Friday, August 12, 2016 12:57 AM
>> *To:* forms-devel at lists.dot.net
>> *Subject:* Re: [forms-devel] forms-devel Digest, Vol 4, Issue 2
>>
>>
>>
>> Hello all and Adam,
>>
>> Thank you for you opinion.
>>
>> I agree that the way using ListView you mention can be another way to
>> provide a multiple selection of items.
>> I also agree that this approach can provide better UX for ListView.
>>
>> However, how about considering the scenario that the number of item is
>> one or two?
>> If the number of item is one or two and app user can select one status
>> between 'Checked' and 'Unchecked' in each item,
>> Should app developer provide this UX with ListView?
>> The development process of an app that this UX is provided with ListView
>> takes more time than the procedure using a simple checkbox.
>> The app should include more code line than an app using a simple
>> checkbox.
>>
>> As you already know, checkBox have function to indicate two states which
>> are 'checked' and 'unchecked' with text
>> as well as function to provide multiple selections of items.
>> So, checkBox could be useful control for providing user's selection
>> between 'checked' and 'unchecked' about one or two items with text.
>>
>> Also, is this link(https://material.google.com/
>> <https://na01.safelinks.protection.outlook.com/?url=https%3a%2f%2fmaterial.google.com%2f&data=01%7c01%7cjas%40microsoft.com%7cb3c1d44ecf3042c9df2308d3c2863d6f%7c72f988bf86f141af91ab2d7cd011db47%7c1&sdata=4Q%2b7aBplhu%2bp8mercu%2b%2bNUx1aIzyNpnbyIsJiFQ%2fNjg%3d>)
>> Google Material Design Guidelines you mention on a previous email?
>> Actually, it is a little hard to find some opinion that guideline
>> specially discourage checkbox.
>> Instead, this design guideline describes well that checkbox is one of
>> controls for allowing the user to select options.
>> I'd like to share two link about checkbox in Google Material Design
>> Guidelines.
>> - https://material.google.com/components/selection-controls.html#
>> <https://na01.safelinks.protection.outlook.com/?url=https%3a%2f%2fmaterial.google.com%2fcomponents%2fselection-controls.html%23&data=01%7c01%7cjas%40microsoft.com%7cb3c1d44ecf3042c9df2308d3c2863d6f%7c72f988bf86f141af91ab2d7cd011db47%7c1&sdata=uuf%2ferYU9MNszNei%2bznP66uRhu%2fud0LuPvVmV59R3mY%3d>
>> - https://material.google.com/components/lists-controls.html#
>> <https://na01.safelinks.protection.outlook.com/?url=https%3a%2f%2fmaterial.google.com%2fcomponents%2flists-controls.html%23&data=01%7c01%7cjas%40microsoft.com%7cb3c1d44ecf3042c9df2308d3c2863d6f%7c72f988bf86f141af91ab2d7cd011db47%7c1&sdata=KfVnIYNo1G7rgkZDPT1QhtIEgC8NAxF9wEAl%2fp3MBLU%3d>
>> These two link describe definitely how checkbox can be useful for
>> providing various UX to user.
>>
>> Thank you for sharing your opinion about checkbox again.
>>
>> Best regards,
>>
>> - Rina You
>>
>>
>>
>> 2016. 8. 12. 오후 1:27에 "S.H Choi" <flyofsky at gmail.com>님이 작성:
>>
>> ---------- 전달된 메일 ----------
>> 보낸사람: "Adam Pedley" <adam.pedley at gmail.com>
>> 날짜: 2016. 8. 11. 오후 9:15
>> 제목: Re: [forms-devel] forms-devel Digest, Vol 4, Issue 2
>> 받는사람: <forms-devel at lists.dot.net>
>> 참조:
>>
>> Since Checkboxes are natively a part of Android and UWP, I think it could
>> be good to expose them. iOS would probably need a toggle with a different
>> image, or a button with a different selected state as I don't know of a
>> native checkbox.
>>
>>
>>
>> Rina, while checkboxes can be good the specific scenario you mention for
>> their use, such as a multiple select of items in a list is normally
>> discouraged due to UX issues such as if you are selecting the item or
>> ticking the checkbox. For this reason Google Material Design Guidelines
>> specifically discourages them and I think other guideline do as well.
>>
>>
>>
>> Might I suggest when you select an item in the ListView or list of some
>> kind you show a tick next to the item, or highlight the row in the list.
>> This approach tends to go over better in a mobile UI and doesn't confuse
>> selecting the list row, vs a control in the list.
>>
>>
>>
>> On Thu, Aug 11, 2016 at 10:00 PM, <forms-devel-request at lists.dot.net>
>> wrote:
>>
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>> Today's Topics:
>>
>> 1. Add a CheckBox (rina you)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Thu, 11 Aug 2016 20:31:08 +0900
>> From: rina you <rina6350.you at gmail.com>
>> To: forms-devel at lists.dot.net
>> Subject: [forms-devel] Add a CheckBox
>> Message-ID:
>> <CAGxJt92CwqbUrTT+2GzONiEWt4Rww6uzcYxd0RmW2gTyB8_snw at mail.
>> gmail.com>
>> Content-Type: text/plain; charset="utf-8"
>>
>> Hello,
>> I'd like to add a CheckBox for allowing the user can select multiple
>> options in the list.
>> And a CheckBox is a specific control that has two states which are
>> 'checked' and 'unchecked'.
>>
>> This CheckBox will have the following properties.
>> - FontAttributes : A value that indicate whether the font of the checkbox
>> is bold, italic or neither.
>> - FontFamily : A value that indicate font family to which the font for
>> checkbox text belongs.
>> - FontSize : A value that indicate font size of checkbox.
>> - IsChecked : A value that indicate whether this checkbox is checked or
>> not.
>> - Text : A text displayed as the content of the checkbox.
>> - TextColor : A value that indicate the color for the text of checkbox.
>>
>> Also, this CheckBox will have an event.
>> - Checked : This event occurs when checkbox is checked.
>>
>> Just like other controls, the CheckBox is a very common control.
>> Xamarin will be able to provide richer function in many application, if
>> this control is added on xamarin.
>> I will look forward to hearing your opinion.
>> Thank you.
>>
>> Best regard,
>>
>> Rina You
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