Recent questions tagged uikit

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uikit - Calling functions from UIViewController in SwiftUI

I'm looking to call a function inside a UIKit UIViewController from a button managed by Swift UI In my ... specific instance that is displayed? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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473 views

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uikit - IPhone Range Slider

I know there is a UISlider but does anyone already made RangeSlider ( with two thumbs ?) or knows how to extend the uislider? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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569 views

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uikit - How do I get auto-adjusted font size in iOS 7.0 or later?

I want to get the font size of some text after it's been scaled down in a UILabel or UITextField. This was possible ... to do this in iOS 7.0? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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439 views

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uikit - Retrieving a pixel alpha value for a UIImage (MonoTouch)

This question is a duplicate of 1042830, but MonoTouch-specific. Is there a way that's safer than allocating ... at the appropriate offset? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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356 views

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uikit - How to launch iPhone Camera on viewDidLoad?

I can't seem to launch the camera when loading my view. I end up making the user have to find and press a ... :toView]; (as cited by Debugger) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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383 views

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uikit - Weird behavior of UIView frame after rotation in iPhone

Create a square UIView object testView_, and add this at viewDidLoad: - (void)viewDidLoad { [super viewDidLoad] ... anyone enlighten me? Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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476 views

1 answer

uikit - Can font size of UILabel be changed with smooth animation on iPhone?

I want a UILabel to swell slightly when selected like in some game menu screens. To get smooth resizing I presume ... other way to do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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371 views

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uikit - Why No NSAttributedString on the iPhone?

Does anyone know what made Apple leave out NSAttributedString when turning AppKit into UIKit? The reason ... alternative to NSAttributedString? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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437 views

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uikit - titleTextAttributes UIAppearance font in iOS 7

I am using UIAppearance to apply fonts to UINavigationBar and UIBarButtonItem and I am having problems. I ran this ... [UIToolbar class], nil]] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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501 views

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uikit - UIPopover without any arrows

Is it possible to present a popover without any sort of arrows pointing somewhere? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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323 views

1 answer

uikit - How to make half curl animation in iPhone like the maps app?

I am using the following code for page curl animation [UIView beginAnimations:@"yourAnim" context:nil]; [UIView ... an similar effect ? Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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910 views

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uikit - How to change the colors of a segment in a UISegmentedControl in iOS 13?

A UISegmentedControl has a new appearance in iOS 13 and existing code to alter the colors of the segmented control ... in UIView are relevant. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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441 views

1 answer

uikit - How to programmatically get iOS status bar height

I know that currently the status bar (with the time, battery, and network connection) at the top of the ... of the status bar programmatically? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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567 views

1 answer

uikit - Undo/Redo for drawing in iOS

I am working on a drawing app, I want to do Undo/Redo, for this I am saving CGPath on touches ended to ... only segment of that line is removed See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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570 views

1 answer

uikit - Change the iOS keyboard layout to emoji?

Is it possible to change the keyboard layout to emoji when a UITextField becomes the first responder ? or according ... with the emoji layout? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

505 views

1 answer

uikit - iPhone development: How to create colored or translucent background for UIActionSheet?

When you try deleting a note in iPhone's Notes application, an UIActionSheet pops up. The sheet is ... UIActionSheet a certain color? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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503 views

1 answer

uikit - How do I render a SwiftUI View that is not at the root hierarchy as a UIImage?

Suppose I have a simple SwiftUI View that is not the ContentView such as this: struct Test: View { var body: ... on UIView, not a SwiftUI View. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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