Handle a view visibility in the window
// start handling visibility
targetView.visibility
.changed { state in
switch state {
case .visible:
// visible process here
case .invisible:
// invisible process here
}
}
// stop handling visibility
targetView.visibility.invalidate()You can change the configuration with setConfig
targetView.visibility
.setConfig { config in
config.timeInterval = 1.0
config.intersectionRatio = 0.8
config.transparencyRatio = 0.5
}
.changed { state in
...
}| name | description | default |
|---|---|---|
| timeInterval | Interval time of checking view state (sec) | 0.5 |
| intersectionRatio | The view rectangle visible ratio in UIWindow (0<..1.0) | 0.5 |
| transparencyRatio | The view transparency ratio (0..<1.0) | 0 |
Visibility is available through CocoaPods. To install it, simply add the following line to your Podfile:
pod "Visibility"To integrate using Carthage, add the following to your Cartfile:
github "darquro/Visibility"
- Swift 4.0 or later
- iOS 8.0 or later
darquro
VerticalAlignmentLabel is available under the MIT license. See the LICENSE file for more info.