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I have view item and shows me warning under below:
Frame for "myView" will be different at run time.
How can i resolve it ?
Your constraints are probably set correctly, since you're getting just a warning.
Go to your Storyboard an look in your Document Outline for the yellow triangle
Click on it so that it displays all Misplaced views
Make sure that Update frames is selected and click fix misplacement (you can also check the "Apply to all views in container" if you have lot of misplaced views and want to reposition it in single click)
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I'm writing a custom dialog by subclassing ModalRoute. Problem is, when my custom dialog shows up, it has a transparent background. How do I set the background color to the default background color of a material dialog?
You can see in that all Dialogs have a barrierColor equal to const Color(0x80000000),.
It's defined in the showGeneralDialog method in the Flutter SDK.
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to be able to provide as much information as possible to the user on the screen I put my navigation controls (next) inside a ListView.
So I got:
A
B
C
Next
As long as the list fill the whole screen everything looks fine. The user see the content and to move on he has to scroll to the end of the list.
But if the list is to short the navigation controls are in the center of the screen which looks not so nice.
How can I move the controls at the bottom of the screen inside a ListView if the content of the list is to short?
A possible workaround would be to remove the navigation controls from the ListView and put them at the end of the screen.
Thank you!
Probable use a Wrap() Widget, and as childrens the navigation part and the ListView Part.
Done this way, you shaped wrap you navigation controls in e.g. a Row.
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A friend of mind started a flutter project. He asked me if it is possible to set a button like the floating button of whatsapp and which will be movable by the user.
Here you need to code a container as a button and add a custom animation if that is the question you're asking.
If not What you are looking for is a Draggable widget. You can then handle the translation using onDraggableCanceled which is passed and offset that you can be used to update the placement - https://flutter.dev/docs/cookbook/effects/drag-a-widget
And there is a couple of animation we can do for a button in a flutter.
Refer to this - https://medium.com/flutter-community/animated-send-button-in-flutter-94c1834268b1
There are many ways to do this, for the sake of simplicity I would prefer you to check out Stack Widget, where you can give coordinates to each Widget(button in your case) and move them.
check out this tutorial:
https://youtu.be/1qlgbNN0BaE
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i have a gridView List and when i click on one I want it to enlarge to display more information almost like a dialog box over current content.
Something like this in the picture. Thank you in advance.
I can't paste the full code, but you might use a Stack as the simplest approach.
The easiest way, without animation, is having the GridView as the first child, and when clicking the Tile, pass the tile info, call setState()... and redraw the stack with whatever overlay u want with the selected content view.
When you get that in place, you might include Animated widgets to work on the transition.
Another options is to use Overlays, go to the bottom of this Medium article, to understand how it works, it is applied to a menu, but the same concept will work for you. Maybe this is a neater approach.
Another cool option might be the use of Hero animations, but I dont know if you can manage to use within the same BuildContext, depends on how you will build the view.
Best of luck!
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I've seen online rumors from before iOS7's release about keyboards opening up.
I haven't found anything in the documentation.
Is it possible to add a custom keyboard, like emoji, to the system, in iOS 7?
You cannot add or change the system keyboard. However, you can implement your own custom keyboard inside your app. All you need to do is overwrite UITextField or UITextView and return a custom view for the inputView property.