{"id":1950,"date":"2016-10-14T21:55:00","date_gmt":"2016-10-14T12:55:00","guid":{"rendered":"https:\/\/ecpplus.net\/weblog\/?p=1950"},"modified":"2020-06-06T19:14:41","modified_gmt":"2020-06-06T10:14:41","slug":"wkwebview-networkactivityindicator-in-swift3","status":"publish","type":"post","link":"https:\/\/ecpplus.net\/weblog\/wkwebview-networkactivityindicator-in-swift3\/","title":{"rendered":"WKWebView \u3067 NetworkActivityIndicator \u3092\u826f\u3044\u611f\u3058\u306b\u8868\u793a(Swift3)"},"content":{"rendered":"

\u4ee5\u524d iOS9 \u304c\u51fa\u305f\u3068\u304d\u306b\u66f8\u3044\u305f\u3082\u306e\u304c\u53e4\u304f\u3066\u4f7f\u3048\u306a\u304f\u306a\u3063\u3066\u305f\u306e\u3067\u3001\u66f8\u304d\u76f4\u3057\u305f\u3002<\/p>\n

iOS9\u3068Swift2\u306e\u9803\u306e\u3084\u308a\u65b9<\/a><\/p>\n

iOS9 \u304b\u3089\u8ffd\u52a0\u3055\u308c\u305f WKWebView \u3067\u3001networkActivityIndicator (iPhone\u306e\u4e0a\u90e8\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u30d0\u30fc\u3067\u8aad\u8fbc\u4e2d\u306b\u3050\u308b\u3050\u308b\u3055\u305b\u308b\u3084\u3064) \u3092\u8868\u793a\u3059\u308b\u65b9\u6cd5\u3002 UIWebView \u3068 WebView \u306f\u3082\u3046\u4f7f\u3046\u306a\u3063\u3066 API Reference \u306b\u66f8\u3044\u3066\u3042\u308b\u3002<\/p>\n

Swift3 \u306b\u306a\u3063\u3066\u66f8\u304d\u65b9\u3082\u5909\u308f\u3063\u3066\u3044\u308b\u306e\u3068\u3001iOS9 \u304b\u3089 constrains \u306e\u8a2d\u5b9a\u3082\u3057\u3084\u3059\u304f\u306a\u3063\u305f\u3002WebView \u306e\u4e00\u7a2e\u3067\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u8aad\u307f\u8fbc\u3080\u3068\u304d\u3001isNetworkActivityIndicatorVisible<\/code> \u3092\u51e6\u7406\u3057\u306a\u3044\u3053\u3068\u304c\u7121\u304b\u3063\u305f\u306e\u3067\u3001 pod \u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u51fa\u6765\u308b\u3088\u3046\u306b\u3057\u305f\u3002<\/p>\n

EcpWebView (on GitHub)<\/a><\/p>\n

<\/p>\n

Controller \u306b\u76f4\u63a5\u66f8\u304f\u30d1\u30bf\u30fc\u30f3<\/h1>\n

KVO\u3092\u76e3\u8996\u3059\u308b<\/h2>\n

Controller \u306b\u76f4\u63a5\u66f8\u304f\u5834\u5408\u306f\u3001viewDidLoad \u3068\u304b\u3067\u3001addObserver \u3059\u308b\u3002<\/p>\n

var webView : WKWebView!\n<\/code><\/pre>\n
\u7684\u306a\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u8a2d\u5b9a\u3057\u3066\u3042\u308b\u3068\u3044\u3046\u524d\u63d0\u3067<\/p>\n
webView.addObserver(self, forKeyPath: \"loading\", options: NSKeyValueObservingOptions.New, context: nil)\n<\/code><\/pre>\n
\u3068\u3059\u308b\u3002<\/p>\n
controller \u304c\u306a\u304f\u306a\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u3067<\/p>\n
webView.removeObserver(self, forKeyPath: \"loading\")\n<\/code><\/pre>\n
\u3092\u547c\u3076\u306e\u3092\u5fd8\u308c\u305a\u306b\u3002<\/p>\n
KVO\u306e\u5909\u5316\u306b\u30d5\u30c3\u30af\u3055\u305b\u308b<\/h2>\n
override public func observeValue(forKeyPath keyPath: String?, of object: Any?, change: [NSKeyValueChangeKey : Any]?, context: UnsafeMutableRawPointer?) {\n    if keyPath == \"loading\" {\n        UIApplication.shared.isNetworkActivityIndicatorVisible = isLoading\n    }\n}\n<\/code><\/pre>\n
loading\u72b6\u614b\u304c\u5909\u308f\u308b\u3068\u3001\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u547c\u3070\u308c\u308b\u306e\u3067\u3001\u305d\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067 webView.loading (BOOL)<\/code> \u304c\u3069\u3046\u306a\u3063\u3066\u3044\u308b\u306e\u304b\u3092\u898b\u308b\u3060\u3051\u3067\u826f\u3044\u3002<\/p>\n
WKWebView \u306e\u30b5\u30d6\u30af\u30e9\u30b9\u3092\u4f5c\u308b\u30d1\u30bf\u30fc\u30f3<\/h1>\n
EcpWebView (on GitHub)<\/a> \u306b\u3042\u3052\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u30b3\u30fc\u30c9\u7684\u306b\u306f\u3001 EcpWebView.swift (on GitHub)<\/a> \u3067\u3059\u3002<\/p>\n
Installation<\/h2>\n
# required Swift 3.0\npod 'EcpWebView'\n<\/code><\/pre>\n
\u3068\u3057\u3066\u3001 import EcpWebView<\/code> \u3068\u3059\u308c\u3070\u3001WKWebView \u3067\u66f8\u3044\u3066\u3044\u305f\u3068\u3053\u308d\u3092\u7f6e\u304d\u63db\u3048\u308b\u3060\u3051\u3067\u4f7f\u3048\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n
Usage<\/h2>\n
WKWebView \u306f StoryBoard \u304b\u3089\u4f7f\u3048\u306a\u3044\u306e\u3067\u3001\u30b3\u30fc\u30c9\u3067\u8ffd\u52a0\u3059\u308b\u3057\u304b\u306a\u3044(\u591a\u5206)\u3002\u5168\u753b\u9762\u8868\u793a\u3067\u3001\u7279\u5b9a\u306eURL\u3092\u8aad\u307f\u8fbc\u3080\u3068\u3044\u3046\u5834\u5408\u306e\u4f8b\u3002iOS9 \u304b\u3089 constraint \u304c\u66f8\u304d\u3084\u3059\u304f\u306a\u3063\u305f\u306e\u3068\u3001Swift3 \u304b\u3089 NSURLRequest<\/code> -> URLRequest<\/code>, NSURL<\/code> -> URL<\/code> \u3068\u306a\u3063\u3066\u3001 WKWebView \u3082\u3001 loadRequest<\/code> -> load<\/code> \u3068\u306a\u3063\u305f\u3002 UIApplication \u3082 sharedApplication()<\/code> -> application<\/code> \u3068\u306a\u3063\u3066\u305f\u3002Xcode \u304c\u5168\u90e8\u6559\u3048\u3066\u304f\u308c\u308b\u306e\u3067\u697d\u3060\u3002<\/p>\n
let webView = EcpWebView()\nview.addSubview(webView)\n\nwebView.topAnchor.constraint(equalTo: view.topAnchor).isActive = true\nwebView.bottomAnchor.constraint(equalTo: view.bottomAnchor).isActive = true\nwebView.leadingAnchor.constraint(equalTo: view.leadingAnchor).isActive = true\nwebView.trailingAnchor.constraint(equalTo: view.trailingAnchor).isActive = true\n\nlet req = URLRequest(url: URL(string: \"https:\/\/memo.ecp.plus\/\")!)\nwebView.load(req)\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u4ee5\u524d iOS9 \u304c\u51fa\u305f\u3068\u304d\u306b\u66f8\u3044\u305f\u3082\u306e\u304c\u53e4\u304f\u3066\u4f7f\u3048\u306a\u304f\u306a\u3063\u3066\u305f\u306e\u3067\u3001\u66f8\u304d\u76f4\u3057\u305f\u3002 iOS9\u3068Swift2\u306e\u9803\u306e\u3084\u308a\u65b9 iOS9 \u304b\u3089\u8ffd\u52a0\u3055\u308c\u305f WKWebView \u3067\u3001networkActivityIndicator ( […]<\/p>\n","protected":false},"author":1,"featured_media":2293,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[35,40],"class_list":["post-1950","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-development","tag-ios","tag-swift"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/posts\/1950","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/comments?post=1950"}],"version-history":[{"count":4,"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/posts\/1950\/revisions"}],"predecessor-version":[{"id":2294,"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/posts\/1950\/revisions\/2294"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/media\/2293"}],"wp:attachment":[{"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/media?parent=1950"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/categories?post=1950"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ecpplus.net\/weblog\/wp-json\/wp\/v2\/tags?post=1950"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}