Flex 4 - center popup - apache-flex

How can I center popup window in flex 4 ?
I have tried:
PopUpManager.addPopUp(AlertPopUp,DisplayObject(spark.components.Application), true);
PopUpManager.centerPopUp(AlertPopUp);
but it's problem with conversion Application->DisplayObject.
Please help :)

PopUpManager.addPopUp(AlertPopUp, FlexGlobals.topLevelApplication as DisplayObject, true);
PopUpManager.centerPopUp(AlertPopUp);

This link contains an example which works for me. Can you try the same? If its not working for you,post your elaborated code block to check how you have coded.

Also PopUpAnchor is worth checking if you need to position relatively to some specific component, let's say a button.

Related

Can we config edit rectangle in UIImagePickerController

I use UIImagePickerController and set allowsEditing YES. My question is how to change the edit rectangle? or it is fixed?
I try a lot and find out that, it is fixed.
Once we want to do this effect, maybe we have to build a image picker one by our own instead of using the UIImagePickerController.

IOS7 : UIScrollView offset in UINavigationController

I'm currently migrating my app on ios 7 and I've been stuck for hours on the new navigationcontroller/bar management.
Before, when we had a navigation controller, we had a snippet like this :
UINavigationController *navController = [[UINavigationController alloc]initWithRootViewController:[[MainViewController alloc]init]];
In interface builder, we had the choice to set an existing navigationbar for the view and everything match the content of the real view.
OK so now, i have no clue of how to design properly with interface builder.
I still have my snippet to initialize my navcontroller. However in the interface builder for my MainViewController if I set a status bar to translucent or opaque navigation bar, i have an offset of 44px at the top (see below).
Interface Builder_________________________And the result
Now, if i set status bar to none, there is no offset at top but since the view on simulator is smaller because of navigation bar the bottom of the view in interface builder is cut off.
Interface Builder_________________________And the result
I guess i'm really missing something here but i can't find any topic or apple info in iOS7 Transitions Guide about that.
Thanks for your help
EDIT
As we can see in the pictures, the first child of the view is a UIScrollView which contains both labels, the problem does not appear when there is no scrollview. It also appears if it's a UITableView.
If a label is outside the UIScrollView, there is no offset to that label.
OK so i found the solution, I have set in my controller the property:
self.automaticallyAdjustsScrollViewInsets = false
I don't really understand the true benefit of this property though, (or why the default value is true)
The only documentation i found was there:
https://web.archive.org/web/20160405135605/https://developer.apple.com/library/ios/documentation/userexperience/conceptual/TransitionGuide/AppearanceCustomization.html
https://developer.apple.com/documentation/uikit/uiviewcontroller/1621372-automaticallyadjustsscrollviewin
Update
In iOS 11 automaticallyAdjustsScrollViewInsets is deprecated
You should now use:
self.tableView.contentInsetAdjustmentBehavior = .never
I also encourage you to check this question and its answer to get a better understanding of those properties
#Justafinger's answer worked like a charm for me as well.
Just wanted to add that this setting can also be adjusted easily from the interface builder.
Select your view controller
Click the 'Attributes Inspector' tab
Uncheck 'Adjust Scroll View Insets'
Enjoy!
I was running into this same issue, but I found a rather odd property on the ViewController in interface builder that seems to have been causing this for me. There is an "Extend Edges" set of check boxes. I removed the "Under Top Bars" check, and everything started laying out properly for me.
With automaticallyAdjustsScrollViewInsets set to YES (the default setting) there is a mismatch in scrollview positioning between ios6 and ios7, so to make them consistent you need to disable this setting. However, ios6 will crash if it comes across automaticallyAdjustsScrollViewInsets, so you either need to make a programatic change of automaticallyAdjustsScrollViewInsets conditional on ios7 or else switch off the option using the storyboard/NIB
I had a similar problem, after dismissing a viewController, the contentOffset from my tableView was changed to (0, -64).
my solution was a little weird, I tried all the other answers but had no success, the only thing that fixed my problem was to switch the tableView position in the controls tree of the .xib
it was the first control in the parent View like this:
I moved the tableView right after the ImageView and it worked:
it seems that putting the table view in the first position was causing the trouble, and moving the table view to another position fixed the problem.
P.D. I'm not using autoLayout neither storyboards
hope this can help someone!
I also face this problem.
UIScrollView content size is calculate by OS as other sizes, origins provided by constraint system - that's why OS has doubtfulness.
How to fix - You should explicitly define content size of UIScrollView:
Embed scrollable content to UIView (I rename it to ContentView)
Add constraints:
ContentView.Weight = View.Weight and ContentView.Height = View.Height
It seems like a work around solution is to view the storyboard file as "iOS 6.1 and earlier" (select storyboard file->File inspector->Interface Builder Document->View As. Positioning subviews in this mode shows the offset.
Thank you guys for the solutions! I struggled for hours trying to solve the problem. Everything was ok when there was no Navigation Bar involved but it went haywire the moment I embedded the ViewController in a NavigationController.
I solved it by unchecking the Adjust Scroll View Insets and the Under Top Bars. Both of these are located in the ViewController's Attribute Inspector. Thanks a million!
Accepted answer by #streem caused some weird behavior with UILabel acting as sections.
This worked for me:
if let navBar = navigationController?.navigationBar {
scrollView.contentInset = UIEdgeInsets(top: -navBar.frame.size.height, left: 0.0, bottom: 0.0, right: 0.0)
}

How to define number of images in Qt image's carousel?

Well, i saw a Qt Quick Image's Carousel Example in http://developer.qt.nokia.com/wiki/Qt_Quick_Carousel. I adapted for my specific situation and it worked!
Ok, but i'm with problems still. I want to show just 4 images each time, but i didn't see something about this. I'm reading also a QML documentation in http://doc.qt.nokia.com/4.7-snapshot/qml-tutorial.html...
Do someone know how can i to show just 4 images each time in the that example code?
pathItemCount property from PathView will help you.

How to customize a list in Flex mobile application

the thing I mean cannot be probably done with the component, but I don't know how is the component I want called. I would like to achieve a list but with sort of "icon look". You could say some sort of springboard navigation. It would really help me if someone new what I mean.
Here is just a quick sketch in Photoshop how it should look like:
http://imageshack.us/photo/my-images/849/hown.png/
The item is the one actual item in the list or something.
I will appreciate every answer and possible solution, thanks.
Is there any reason you cannot use a DataGroup wrapper around a Scroller with a TileLayout and use the IconItemRenderer?
I'm not that familiar with the mobile version of Flex, but in ordinary Flex this is just a matter of defining a renderrer class for your List control and use a clickable image (or some Image Button class) as the renderrer.

Set Flex Titlewindow background to transparent

I have a modal Flex dialog and want to make the background not of the window itself, but the semitransparent modal indicator transparent. (Yes I tried to convince the client they don't want to do this, but apparently they really want to do it). Is this even possible?
(prefer a solution using Flex 3's TitleWindow, but Spark/Flex 4 TitleWindow is acceptable)
Yeah, I think I phrased the question wrong, but this is the answer I was looking for:
http://www.learnosity.com/techblog/index.cfm/2007/4/25/Disable-the-blur-effect-in-Flex-PopupManager-modal-background
to paraphrase add:
global{
modalTransparencyBlur: 0;
}
to the flex CSS and you're good; You can also make the modalTransparency 0 which will actually do what I said I wanted, but I think I'm going to try to convince my client that disabling the blur is all they needed (they want to be able to read the text under the popups)
(I wanted to disable the background of the PopUpManager not the TitleWindow)
Thanks for the help though.
Sorry not to have a definite answer, but have you tried setting the property
backgroundAlpha="0"
?
For flex 3; have you tried specifying the alpha on the TitleWindow? Based on a quick review of the code; it does not appear to pass the alpha down to the children (such as the close button, title bar, or title bar background.
Using the Spark Architecture; you should be able to do this easily with a custom skin.

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