ilink-world/ios/Pods/GoogleMaps/SwiftExample/GoogleMapsSwiftDemos/Swift/Samples/VisibleRegionViewController...

72 lines
2.6 KiB
Swift
Executable File

/*
* Copyright 2020 Google LLC. All rights reserved.
*
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
* file except in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under
* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
* ANY KIND, either express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
import GoogleMaps
import UIKit
class VisibleRegionViewController: UIViewController {
static let overlayHeight: CGFloat = 140
private lazy var mapView: GMSMapView = {
let camera = GMSCameraPosition(latitude: -37.81969, longitude: 144.966085, zoom: 4)
let mapView = GMSMapView(frame: .zero, camera: camera)
mapView.settings.myLocationButton = true
mapView.isMyLocationEnabled = true
mapView.padding = UIEdgeInsets(
top: 0, left: 0, bottom: VisibleRegionViewController.overlayHeight, right: 0)
return mapView
}()
private lazy var overlay: UIView = {
let overlay = UIView(frame: .zero)
overlay.backgroundColor = UIColor(hue: 0, saturation: 1, brightness: 1, alpha: 0.5)
return overlay
}()
private lazy var flyInButton: UIBarButtonItem = {
return UIBarButtonItem(
title: "Toggle Overlay", style: .plain, target: self, action: #selector(didTapToggleOverlay))
}()
override func loadView() {
view = mapView
navigationItem.rightBarButtonItem = flyInButton
let overlayFrame = CGRect(
x: 0, y: -VisibleRegionViewController.overlayHeight, width: 0,
height: VisibleRegionViewController.overlayHeight)
overlay.frame = overlayFrame
overlay.autoresizingMask = [.flexibleTopMargin, .flexibleWidth]
view.addSubview(overlay)
}
@objc func didTapToggleOverlay() {
let padding = mapView.padding
UIView.animate(withDuration: 2) { [unowned self] in
let size = self.view.bounds.size
if padding.bottom == 0 {
self.overlay.frame = CGRect(
x: 0, y: size.height - VisibleRegionViewController.overlayHeight, width: size.width,
height: VisibleRegionViewController.overlayHeight)
self.mapView.padding = UIEdgeInsets(
top: 0, left: 0, bottom: VisibleRegionViewController.overlayHeight, right: 0)
} else {
self.overlay.frame = CGRect(
x: 0, y: self.mapView.bounds.size.height, width: size.width, height: 0)
self.mapView.padding = .zero
}
}
}
}