ShadowView | Dynamic shadows on Android
kandi X-RAY | ShadowView Summary
kandi X-RAY | ShadowView Summary
Dynamic shadows on Android. I didn't publish it as a library for couple of reasons, but there's a separate module with the ShadowView and an example project. Currently it has some bugs/limitations and maybe not the best API. So gotcha #1: parent view has to set android:clipChildren="false" so the shadow is not clipped. It can be done without it, but I was too lazy back in time. Gotcha #2: if you want to cast a shadow for an ImageView (like in the example), you gotta be aware that ImageView has a quirky way of drawing itself on canvas if you set a scale type. So for instance, if you set scale type centerCrop, the shadow would be much bigger than the ImageView itself, like the bitmap was scaled. I haven't worked it around yet and would appreciate a contribution. Gotcha #3: in some cases shadow might be cut, I'm assuming it might be related to ImageView's scale type again. Regarding the performance, it works super fast, as I'm blurring a very downscaled version of the View's snapshot.
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QUESTION
I am trying to add FAB at the center of BottomNavigationView using below code
activity_main.xml
...ANSWER
Answered 2020-Dec-22 at 09:47Issue is not there on all the phones. This issue is occurring only on Curved Screen Phones. Reason is if you use BottomNavigationView and FloatingActionButton in the same layout, BottomNavigationView gets the priority and will overlap FloatingActionButton. Moving FloatingActionButton to different layout will resolve this issue. Check below code:
QUESTION
Below is the code for a custom Card View. The problem is, when I add the subviews to this in Interface builder it doesn't apply the corner radius to the subview. For the most part, I can get away with this by making subviews have a clear background color but I'm struggling with UIImageView. When I add that to a card it ends up with pointy corners and I've not been able to fix it.
Various solutions on here have suggested adding a second layer to display the shadow. I've attempted this but it still doesn't work as intended. What I'm trying to achieve is a view with rounded corners, drop shadow and adding any subviews (such as UIImageView) should also maintain the corner radius and not pointing out.
I've tried various settings with layer.masksToBounds and self.clipsToBounds and I always seem to get subviews with a corner radius but no shadow or the shadow visible and views not clipping.
ANSWER
Answered 2018-Aug-01 at 11:26The way you were trying to implement a second view to handle shadows is almost correct, you just didn't keep the right order.
Your CardView class already handles displaying a shadow. Leave that view as it is and instead add a UIView called "ContentView" as a subview. That content view has the same frame and corner radius as your CardView.
On the "ContentView", you don't need to do any work with shadows. Instead, set its layer's masksToBounds property to true. Now add all the content you want to display in your Card to the "ContentView" and it should clip correctly.
QUESTION
I've set up a UINavigationBar to have rounded bottom corners with shadow, but it removed my UINavigationItem. I've tried to set it back programatically but it sets it behind the top bar item.
...ANSWER
Answered 2020-Mar-17 at 11:33I have edited @Daljeet's code and thanks to that I've found the solution:
QUESTION
I have added the custom shadow layer to navigationBar but not able to remove now. Please guide. Below is the code to add:
...ANSWER
Answered 2020-Feb-21 at 11:47shadowView.removeFromSuperview()
will do the trick.
Are you adding and removing from different files?
You can use:
shadowView.tag = 1001
navigationController?.navigationBar.subviews.first(where: {$0.tag == 1001})?.removeFromSuperview()
QUESTION
I'm using react-native-picker-select from this repository: https://www.npmjs.com/package/react-native-picker-select. The labels I'm using are to big to fit the screen, so the text isn't completely displayed. I've tried some styling on the text but not seems to work.
This is my component:
...ANSWER
Answered 2019-Aug-13 at 20:20Unfortunately, that's a limitation of the native picker module on iOS. On Android, there may be a way to handle this, but I haven't tested it.
QUESTION
Is it a good practice to force custom transition back to original position for a view controller if the interaction ends and animation is cancelled. I have the following implementation which decides when to dismiss the view controller on pan gesture. If the pan gesture ends earlier, I was expecting to animate back to the original position like how it was presented before considering the duration to be proportional to the progress value on pan gesture
ANSWER
Answered 2019-Dec-27 at 17:14Is it a good practice to force custom transition back to original position for a view controller if the interaction ends and animation is cancelled.
Yes, I think it is good practice to reverse it if the user cancels their gesture. But you don’t have to “force” it. You complete the transition, simply indicating whether you want it to complete or reverse. So, if you cancel the animation, it automatically reverses and goes back to where it was automatically for you. You don’t have to do anything but cancel.
This presumes, of course, that in your animation completion block in your animator, that you indicate in your completeTransition whether it completed or not:
QUESTION
i have 3 UITextField. when i set the resignFirstResponder for the text field, for every key press the key board goes down and key board pops up when we enter. which means for each letter pressed the key board disappears
I tried creating an outlet for the text field as below but the print statement is executed but the key board is not getting disappeared when focus lost or moved to the next text field
...ANSWER
Answered 2019-Oct-11 at 15:43The question is a little unclear but if you want the keyboard to go down when you've pressed the done button, you should implement the UITextFieldDelegate on your view controller and during the textFieldShouldReturn(_:) method call resignFirstResponder from there:
QUESTION
I'm trying to use UIRefreshControl, but when I call endRefreshing() it jumps the UINavigationBar. The problem only happens when I use UIRefreshControl along with large titles.
Looking at some similar issues (UIRefreshControl glitching in combination with custom TableViewCell) reported here, I tried to refresh only after dragging ends, nevertheless, the bug still occurs. Also tried to use
self.navigationController?.navigationBar.isTranslucent = false and self.extendedLayoutIncludesOpaqueBars = true
But, none of the solutions found on other questions seems to resolve the problem, it still not smooth.
The video of what is happening:
https://www.youtube.com/watch?v=2BBRnZ444bE
The app delegate
...ANSWER
Answered 2019-Jun-14 at 17:48So, I try your code and all works fine.
But I ran it on iPhone 7 - no large title there.
I think, it is largeTitle issue.
You can try use this code snippet:
QUESTION
In a UIView subclass, I have the following property override for override var bounds: CGRect:
ANSWER
Answered 2019-May-27 at 13:19Try updating the shadow in layoutSubviews() of CustomView, i.e.
QUESTION
Rather than using a normal button, I subclassed a UIControl because I needed to add a gradient to it. I also have a way to add a shadow and an activity indicator (not visible in the image below) as a stateful button to stop users hammering the button if (for example) an API call is being made.
It was really tricky to try to get the UIControl to rotate, and to be able to do this I added the shadow as a separate view to a container view containing the UIControl so a shadow could be added.
Now the issue is the control does not behave quite like a view on rotation - let me show you a screen grab for context:
This is mid-rotation but is just about visible to the eye - the image shows that the Gradient is 75% of the length of a blue UIView in the image.
https://github.com/stevencurtis/statefulbutton
In order to perform this rotation I remove the shadowview and then change the frame of the gradient frame to its bounds, and this is the problem.
ANSWER
Answered 2019-Apr-16 at 15:39Here is working code:
https://gist.github.com/alldne/22d340b36613ae5870b3472fa1c64654
These are my recommendations to your code:
1. A proper place for setting size and the position of sublayersThe size of a view, namely your button, is determined after the layout is done. What you should do is just to set the proper size of sublayers after the layout. So I recommend you to set the size and position of the gradient sublayers in layoutSubviews.
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