56 lines
1.9 KiB
Swift
Executable File
56 lines
1.9 KiB
Swift
Executable File
// Copyright 2020 Google LLC. All rights reserved.
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//
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
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// file except in compliance with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software distributed under
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// the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
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// ANY KIND, either express or implied. See the License for the specific language governing
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// permissions and limitations under the License.
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import GoogleMaps
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import UIKit
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class BasicMapViewController: UIViewController {
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var statusLabel: UILabel!
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override func viewDidLoad() {
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super.viewDidLoad()
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// Seattle coordinates
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let camera = GMSCameraPosition(latitude: 47.6089945, longitude: -122.3410462, zoom: 14)
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let mapView = GMSMapView(frame: view.bounds, camera: camera)
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mapView.delegate = self
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view = mapView
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navigationController?.navigationBar.isTranslucent = false
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statusLabel = UILabel(frame: .zero)
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statusLabel.alpha = 0.0
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statusLabel.backgroundColor = .blue
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statusLabel.textColor = .white
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statusLabel.textAlignment = .center
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view.addSubview(statusLabel)
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statusLabel.translatesAutoresizingMaskIntoConstraints = false
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NSLayoutConstraint.activate([
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statusLabel.topAnchor.constraint(equalTo: view.topAnchor),
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statusLabel.heightAnchor.constraint(equalToConstant: 30),
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statusLabel.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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statusLabel.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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])
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}
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}
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extension BasicMapViewController: GMSMapViewDelegate {
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func mapViewDidStartTileRendering(_ mapView: GMSMapView) {
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statusLabel.alpha = 0.8
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statusLabel.text = "Rendering"
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}
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func mapViewDidFinishTileRendering(_ mapView: GMSMapView) {
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statusLabel.alpha = 0.0
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}
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}
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