color_picker | 基于Qt实现的强大取色器
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kandi X-RAY | color_picker Summary
基于Qt实现的强大取色器
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Trending Discussions on color_picker
QUESTION
In some devices the recyclerview are flashing items and nothing more, after that, appear from items in row. I can't debug that because in emulator and my phone it doesn't happen.
Has anyone ever experienced that?
The correct thing would be to keep as the follow img:
I'm creating the RecyclerView as below, in SubItemsActivity:
...ANSWER
Answered 2021-May-11 at 12:53onBindViewHolder()
will draw the views. You are having a lot of views visible in default case in the xml. All views that are going to be toggled with visibility must have visibility as gone or invisible by default in the xml. onBindViewHolder()
can control the visibility once views are loaded.
The issue is recycler inflates the view in onCreateViewHolder()
, the views are visible. After this the data is set and notifyDataSetChanged
is called. This will update the views as per the conditions in the onBindViewHolder()
function. But, till this happens, you see the views. Since this takes small amount of time, you see flashing.
This will happen in devices which are having low memory or slower processing.
QUESTION
I have a button that calls a function that asks the user to select a colour. The problem is the colour selection window gets called immediately and the button doesn't work after you input something into the window.
...ANSWER
Answered 2021-Apr-27 at 13:29Since you have parenthesis on your function, it gets called before the color is chosen. To prevent this, use lambda.
So replace line 10 with track_color = tk.Button(main, text='chose track color', command = lambda: color_picker('track'))
.
Your new code:
QUESTION
I'm new in SwiftUI and want to save the user choice from picker. I know I need UserDefaults for that, but I don't know how to use UserDefaults in this case.
...ANSWER
Answered 2020-Sep-13 at 18:45You can use .onReceive
with help of Just
publisher (to be compatible with iOS 13*)
QUESTION
I already did a circle with my input of type color
I need that circle to be inside of another one, I already tried out with some things but doesn't work with an input, I would like to know how can I do that?
The circle its actually inside of the other one the thing it's you can't actually see it, how can I solve this?
This is how it should looks like: https://www.screencast.com/t/0Xw9Sv4NDgqT
...ANSWER
Answered 2020-Sep-05 at 02:30The idea here is that you will have:
- An outermost
div
(#color-picker-container
): responsible for the outer border. - An inner
div
(#color-picker-wrapper
) a little bit smaller: responsible for presenting the picked color. - An innermost
input
(#color-picker
): setopacity:0
to be hidden away
QUESTION
ANSWER
Answered 2020-Jun-25 at 17:14The main issue in the code is the conditional
QUESTION
lebel_months = []
members_exps = []
for member in team.members.all():
qs = Profile.objects.expenses_per_month(member.user)
clr = color_picker()
member_qs = []
for exp in qs:
user = get_object_or_404(User, id=exp.user_id)
month = exp.month
summary = exp.sum
if month not in lebel_months and month is not None:
lebel_months.append(month)
if month is not None and summary is not None:
member_qs.append({
'user': user.username,
'clr': clr,
'month': month,
'summary': summary})
if member_qs:
members_exps.append(member_qs)
print(members_exps[0])
print(members_exps.first())
...ANSWER
Answered 2020-Apr-04 at 02:04As the error says, the members_exps variable is a list, and in python lists do not have a first() attribute/function. first only works for dataframes.
QUESTION
This is the function which is used to send data to the Main activity.
...ANSWER
Answered 2018-May-02 at 14:45If you send your activityOnResult
with 1 as REQUEST_CODE
is OK
The only problem I guess you are having (I do not have much more information) is since I see and adapter, I guess you should call adapter.notifyDataSetChanged()
to see changes on your "list"?
Also you can "clear" the intent
, to avoid duplicated stuff, every time you go to onActivityResult()
you can do this getIntent().removeExtra("key");
to ensure, next time will come different data.
If you do this, you have to do the other logic good to work with this...
QUESTION
I have a question. I added an Image to my Grid, but now I want to change the row of the image from 0 to 2. I already gave my image a name: "imgColorPicker" How can I do this using C#?
Here is my code:
...ANSWER
Answered 2019-Dec-04 at 23:11remove it then re-add it in the correct cell
QUESTION
I am using GridView to create color picker. There is a circle inside each cell. Even if I set wrap content for layout_width and layout_height there is always gap between columns. I want to unite cells in the center or remove these gaps.
Here is my GridView's layout xml.
...ANSWER
Answered 2019-Nov-10 at 14:08use this
QUESTION
ANSWER
Answered 2019-Jan-03 at 01:51Instead of just using a static method you can use an object of the class, in this case I have created a class that already implements the functionality of changing the color:
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