{"id":3987,"date":"2025-05-29T11:53:39","date_gmt":"2025-06-05T03:53:39","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3987"},"modified":"2025-06-05T11:53:39","modified_gmt":"2025-06-05T03:53:39","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8swift%e4%b8%ad%e7%9a%84%e6%b4%bb%e5%8b%95%e6%8c%87%e7%a4%ba%e5%99%a8","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8swift%e4%b8%ad%e7%9a%84%e6%b4%bb%e5%8b%95%e6%8c%87%e7%a4%ba%e5%99%a8\/","title":{"rendered":"2025 \u6700\u65b0\u6307\u5357\uff1a\u5982\u4f55\u5728Swift\u4e2d\u4f7f\u7528\u6d3b\u52d5\u6307\u793a\u5668\uff08UIActivityIndicatorView\uff09"},"content":{"rendered":"

<\/p>\n

2025 \u6700\u65b0\u6307\u5357\uff1a\u5982\u4f55\u5728Swift\u4e2d\u4f7f\u7528\u6d3b\u52d5\u6307\u793a\u5668\uff08UIActivityIndicatorView\uff09<\/h1>\n

Swift\u662f\u4e00\u7a2e\u975e\u5e38\u6d41\u884c\u7684\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u5ee3\u6cdb\u7528\u65bc\u958b\u767ciOS\u548cmacOS\u61c9\u7528\u7a0b\u5e8f\u3002\u5728Swift\u4e2d\uff0c\u900f\u904e\u4f7f\u7528`UIActivityIndicatorView`\u985e\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u6d3b\u52d5\u6307\u793a\u5668\uff0c\u9019\u5c0d\u65bc\u544a\u77e5\u7528\u6236\u67d0\u9805\u64cd\u4f5c\u6b63\u5728\u9032\u884c\u5c24\u5176\u91cd\u8981\u3002\u672c\u6587\u5c07\u6df1\u5165\u4ecb\u7d39\u5982\u4f55\u5728Swift\u4e2d\u4f7f\u7528\u6d3b\u52d5\u6307\u793a\u5668\uff0c\u5305\u62ec\u8a2d\u7f6e\u6a23\u5f0f\u8207\u984f\u8272\u3001\u555f\u52d5\u8207\u505c\u6b62\u6307\u793a\u5668\u7684\u7a0b\u5e8f\uff0c\u4e26\u63d0\u4f9b\u5be6\u4f5c\u7bc4\u4f8b\u548c\u932f\u8aa4\u6392\u9664\u65b9\u6cd5\u3002<\/p>\n

\u4f7f\u7528UIActivityIndicatorView\u985e\u5be6\u73fe\u6d3b\u52d5\u6307\u793a\u5668<\/h2>\n

`UIActivityIndicatorView`\u985e\u662f\u4e00\u500b\u5c08\u9580\u7528\u65bc\u986f\u793a\u6d3b\u52d5\u6307\u793a\u7684\u8996\u5716\uff0c\u901a\u5e38\u7528\u4f86\u986f\u793a\u6b63\u5728\u9032\u884c\u7684\u4efb\u52d9\uff0c\u4f8b\u5982\u7db2\u7d61\u8acb\u6c42\u6216\u6587\u4ef6\u4e0b\u8f09\u3002\u4f7f\u7528\u9019\u500b\u985e\u53ef\u4ee5\u8b93\u7528\u6236\u660e\u767d\u61c9\u7528\u7a0b\u5f0f\u4ecd\u5728\u904b\u884c\uff0c\u800c\u4e0d\u662f\u51cd\u7d50\u6216\u5d29\u6f70\u3002<\/p>\n

### \u6b65\u9a5f 1\uff1a\u6dfb\u52a0\u6d3b\u52d5\u6307\u793a\u5668\u5230\u8996\u5716<\/p>\n

\u9996\u5148\uff0c\u60a8\u9700\u8981\u5728\u61c9\u7528\u7a0b\u5e8f\u7684\u8996\u5716\u4e2d\u6dfb\u52a0\u6d3b\u52d5\u6307\u793a\u5668\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5275\u5efa\u4e26\u6dfb\u52a0\u6d3b\u52d5\u6307\u793a\u5668\u7684\u4ee3\u78bc\uff1a<\/p>\n

“`swift
\nlet activityIndicator = UIActivityIndicatorView(style: .medium) \/\/ \u4f7f\u7528 .medium \u6a23\u5f0f
\nactivityIndicator.center = view.center \/\/ \u5c07\u6d3b\u52d5\u6307\u793a\u5668\u653e\u7f6e\u5728\u8996\u5716\u4e2d\u5fc3
\nview.addSubview(activityIndicator) \/\/ \u5c07\u5176\u6dfb\u52a0\u5230\u8996\u5716\u4e2d
\n“`<\/p>\n

### \u6b65\u9a5f 2\uff1a\u8a2d\u7f6e\u6a23\u5f0f\u548c\u984f\u8272<\/p>\n

\u60a8\u53ef\u4ee5\u6839\u64da\u9700\u8981\u8a2d\u7f6e\u6d3b\u52d5\u6307\u793a\u5668\u7684\u6a23\u5f0f\u548c\u984f\u8272\uff0c\u4f8b\u5982\uff1a<\/p>\n

“`swift
\nactivityIndicator.color = .red \/\/ \u8a2d\u7f6e\u6d3b\u52d5\u6307\u793a\u5668\u984f\u8272\u70ba\u7d05\u8272
\n“`<\/p>\n

\u53ef\u4f7f\u7528\u7684\u6a23\u5f0f\u5305\u62ec\uff1a
\n– `.medium`
\n– `.large`
\n– `.white`
\n– `.gray`<\/p>\n

### \u6b65\u9a5f 3\uff1a\u555f\u52d5\u548c\u505c\u6b62\u6d3b\u52d5\u6307\u793a\u5668<\/p>\n

\u5728\u9700\u8981\u986f\u793a\u6d3b\u52d5\u6307\u793a\u5668\u6642\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u4f86\u555f\u52d5\u5b83\uff1a<\/p>\n

“`swift
\nactivityIndicator.startAnimating() \/\/ \u555f\u52d5\u6d3b\u52d5\u6307\u793a\u5668
\n“`<\/p>\n

\u7576\u4efb\u52d9\u5b8c\u6210\u6642\uff0c\u8acb\u8a18\u5f97\u505c\u6b62\u6d3b\u52d5\u6307\u793a\u5668\uff1a<\/p>\n

“`swift
\nactivityIndicator.stopAnimating() \/\/ \u505c\u6b62\u6d3b\u52d5\u6307\u793a\u5668
\n“`<\/p>\n

### \u932f\u8aa4\u6392\u9664<\/p>\n

\u5982\u679c\u60a8\u767c\u73fe\u6d3b\u52d5\u6307\u793a\u5668\u672a\u986f\u793a\uff0c\u8acb\u6aa2\u67e5\u4ee5\u4e0b\u5e7e\u9ede\uff1a
\n1. \u78ba\u4fdd\u6d3b\u52d5\u6307\u793a\u5668\u5df2\u6b63\u78ba\u6dfb\u52a0\u5230\u8996\u5716\u4e2d\u3002
\n2. \u6aa2\u67e5\u662f\u5426\u5df2\u555f\u52d5\u6d3b\u52d5\u6307\u793a\u5668\u3002
\n3. \u78ba\u4fdd\u5728\u4e3b\u7dda\u7a0b\u4e0a\u57f7\u884cUI\u64cd\u4f5c\u3002<\/p>\n

\u5ef6\u4f38\u61c9\u7528<\/h2>\n

\u9664\u4e86\u57fa\u672c\u7684\u6d3b\u52d5\u6307\u793a\u5668\u529f\u80fd\uff0c\u60a8\u9084\u53ef\u4ee5\u5c07\u5176\u8207\u5176\u4ed6\u529f\u80fd\u7d50\u5408\u4f7f\u7528\uff0c\u4f8b\u5982\u5728\u7db2\u7d61\u8acb\u6c42\u6642\u986f\u793a\u6d3b\u52d5\u6307\u793a\u5668\uff0c\u4e26\u5728\u8acb\u6c42\u5b8c\u6210\u5f8c\u81ea\u52d5\u96b1\u85cf\u5b83\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n

“`swift
\nfunc fetchData() {
\n activityIndicator.startAnimating() \/\/ \u958b\u59cb\u6d3b\u52d5\u6307\u793a\u5668<\/p>\n

\/\/ \u6a21\u64ec\u4e00\u500b\u7db2\u7d61\u8acb\u6c42
\n DispatchQueue.global().async {
\n \/\/ \u6a21\u64ec\u5ef6\u9072
\n sleep(2) \/\/ \u5047\u8a2d\u8acb\u6c42\u9700\u89812\u79d2<\/p>\n

DispatchQueue.main.async {
\n self.activityIndicator.stopAnimating() \/\/ \u505c\u6b62\u6d3b\u52d5\u6307\u793a\u5668
\n \/\/ \u66f4\u65b0UI
\n }
\n }
\n}
\n“`<\/p>\n

\u7d50\u8ad6<\/h2>\n

\u900f\u904e\u4f7f\u7528`UIActivityIndicatorView`\u985e\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u5728Swift\u61c9\u7528\u7a0b\u5f0f\u4e2d\u5be6\u73fe\u6d3b\u52d5\u6307\u793a\u5668\uff0c\u5f9e\u800c\u6539\u5584\u7528\u6236\u9ad4\u9a57\u3002\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528\u9019\u500b\u985e\u4f86\u8a2d\u7f6e\u6d3b\u52d5\u6307\u793a\u5668\u7684\u6a23\u5f0f\u3001\u555f\u52d5\u548c\u505c\u6b62\u5b83\uff0c\u4e26\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5be6\u4f5c\u7bc4\u4f8b\u3002<\/p>\n

Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n

**Q1: \u5982\u4f55\u5728Swift\u4e2d\u66f4\u6539\u6d3b\u52d5\u6307\u793a\u5668\u7684\u5927\u5c0f\uff1f**
\nA1: \u60a8\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e`UIActivityIndicatorView`\u7684`frame`\u5c6c\u6027\u4f86\u6539\u8b8a\u5b83\u7684\u5927\u5c0f\uff0c\u4f8b\u5982\uff1a`activityIndicator.frame = CGRect(x: 0, y: 0, width: 100, height: 100)`\u3002<\/p>\n

**Q2: \u6d3b\u52d5\u6307\u793a\u5668\u53ef\u4ee5\u5728\u591a\u57f7\u884c\u7dd2\u4e2d\u4f7f\u7528\u55ce\uff1f**
\nA2: \u662f\u7684\uff0c\u60a8\u53ef\u4ee5\u5728\u80cc\u666f\u57f7\u884c\u7dd2\u4e2d\u555f\u52d5\u6d3b\u52d5\u6307\u793a\u5668\uff0c\u4f46\u78ba\u4fdd\u6240\u6709UI\u64cd\u4f5c\uff08\u5982\u555f\u52d5\u548c\u505c\u6b62\uff09\u90fd\u5728\u4e3b\u57f7\u884c\u7dd2\u4e0a\u57f7\u884c\u3002<\/p>\n

**Q3: \u6709\u4ec0\u9ebc\u65b9\u6cd5\u53ef\u4ee5\u81ea\u5b9a\u7fa9\u6d3b\u52d5\u6307\u793a\u5668\u7684\u52d5\u756b\uff1f**
\nA3: `UIActivityIndicatorView`\u7684\u52d5\u756b\u662f\u5167\u5efa\u7684\uff0c\u7121\u6cd5\u76f4\u63a5\u4fee\u6539\uff0c\u4f46\u60a8\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u81ea\u5b9a\u7fa9\u8996\u5716\u6216\u52d5\u756b\u4f86\u66ff\u4ee3\u5b83\u3002<\/p>\n

—<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528Swift\u4e2d\u7684\u6d3b\u52d5\u6307\u793a\u5668\uff0c\u5305\u62ec\u5982\u4f55\u4f7f\u7528UIActivityIndicatorView\u985e\u4f86\u5be6\u73fe\u6d3b\u52d5\u6307\u793a\u5668\u3001\u5982\u4f55\u8a2d\u7f6e\u6d3b\u52d5\u6307\u793a\u5668\u7684\u6a23\u5f0f\u548c\u984f\u8272\u3001\u5982\u4f55\u555f\u52d5\u548c\u505c\u6b62\u6d3b\u52d5\u6307\u793a\u5668\u7b49\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[174,5],"tags":[173,9],"class_list":["post-3987","post","type-post","status-publish","format-standard","hentry","category-ios","category-swift","tag-ios","tag-swift"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-12j","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3987","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=3987"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3987\/revisions"}],"predecessor-version":[{"id":3988,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3987\/revisions\/3988"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=3987"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3987"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3987"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}