{"id":25074,"date":"2024-05-08T09:36:25","date_gmt":"2024-05-08T01:36:25","guid":{"rendered":"https:\/\/www.zhidianwl.net\/zhidianwl\/?p=25074"},"modified":"2024-05-08T09:36:25","modified_gmt":"2024-05-08T01:36:25","slug":"app%e5%bc%80%e5%8f%91%e4%b8%ad%e5%a6%82%e4%bd%95%e8%b0%83%e5%8a%a8%e7%9b%b8%e6%9c%ba","status":"publish","type":"post","link":"https:\/\/www.zhidianwl.net\/zhidianwl\/2024\/05\/08\/app%e5%bc%80%e5%8f%91%e4%b8%ad%e5%a6%82%e4%bd%95%e8%b0%83%e5%8a%a8%e7%9b%b8%e6%9c%ba\/","title":{"rendered":"app\u5f00\u53d1\u4e2d\u5982\u4f55\u8c03\u52a8\u76f8\u673a?"},"content":{"rendered":"<p>\u5728\u79fb\u52a8\u5e94\u7528\u5f00\u53d1\u4e2d\uff0c\u8c03\u7528\u76f8\u673a\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u9700\u6c42\uff0c\u53ef\u4ee5\u7528\u4e8e\u62cd\u7167\u3001\u5f55\u50cf\u6216\u626b\u63cf\u4e8c\u7ef4\u7801\u7b49\u529f\u80fd\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5728Android\u548ciOS\u5e73\u53f0\u4e0a\u5982\u4f55\u8c03\u7528\u76f8\u673a\u3002<\/p>\n<p>\u4e00\u3001Android\u5e73\u53f0\u8c03\u7528\u76f8\u673a<\/p>\n<p>\u5728Android\u5e73\u53f0\u4e0a\uff0c\u8c03\u7528\u76f8\u673a\u9700\u8981\u4f7f\u7528Camera API\u6216Camera2 API\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Camera API\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<p>1. \u9996\u5148\uff0c\u5728AndroidManifest.xml\u6587\u4ef6\u4e2d\u6dfb\u52a0\u76f8\u673a\u6743\u9650\uff1a<\/p>\n<p>&#8220;`xml<\/p>\n<\/p>\n<p>&#8220;`<\/p>\n<p>2. \u521b\u5efa\u4e00\u4e2aCamera\u5bf9\u8c61\uff1a<\/p>\n<p>&#8220;`java<\/p>\n<p>private Camera mCamera;<\/p>\n<p>&#8230;<\/p>\n<p>mCamera = Camera.open();<\/p>\n<p>&#8220;`<\/p>\n<p>3. \u8bbe\u7f6e\u76f8\u673a\u53c2\u6570\uff1a<\/p>\n<p>&#8220;`java<\/p>\n<p>Camera.Parameters parameters = mCamera.getParameters();<\/p>\n<p>parameters.setPictureFormat(ImageFormat.JPEG);<\/p>\n<p>mCamera.setParameters(parameters);<\/p>\n<p>&#8220;`<\/p>\n<p>4. \u9884\u89c8\u76f8\u673a\u753b\u9762\uff1a<\/p>\n<p>&#8220;`java<\/p>\n<p>mCamera.setPreviewDisplay(holder);<\/p>\n<p>mCamera.startPreview();<\/p>\n<p>&#8220;`<\/p>\n<p>5. \u62cd\u7167\uff1a<\/p>\n<p>&#8220;`java<\/p>\n<p>mCamera.takePicture(null, null, mPictureCallback);<\/p>\n<p>&#8220;`<\/p>\n<p>6. \u505c\u6b62\u9884\u89c8\u5e76\u91ca\u653e\u76f8\u673a\u8d44\u6e90\uff1a<\/p>\n<p>&#8220;`java<\/p>\n<p>mCamera.stopPreview();<\/p>\n<p>mCamera.release();<\/p>\n<p>mCamera = null;<\/p>\n<p>&#8220;`<\/p>\n<p>Camera2 API\u662fAndroid 5.0\u5f15\u5165\u7684\u65b0\u76f8\u673aAPI\uff0c\u63d0\u4f9b\u4e86\u66f4\u5f3a\u5927\u7684\u529f\u80fd<a href=\"https:\/\/www.yimenapp.com\/\">APP<\/a>\u548c\u66f4\u7075\u6d3b\u7684\u64cd\u4f5c\u65b9\u5f0f\u3002\u4f7f\u7528Camera2 API\u7684\u6b65\u9aa4\u76f8\u5bf9\u590d\u6742\uff0c\u8fd9\u91cc\u4e0d\u518d\u8d58\u8ff0\u3002<\/p>\n<p>\u4e8c\u3001iOS\u5e73\u53f0\u8c03\u7528\u76f8\u673a<\/p>\n<p>\u5728iOS\u5e73\u53f0\u4e0a\uff0c\u53ef\u4ee5\u4f7f\u7528AVFoundation\u6846\u67b6\u6765\u8c03\u7528\u76f8\u673a\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528AVFoundation\u6846\u67b6\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<p>1. \u5bfc\u5165AVFoundation\u6846\u67b6\uff1a<\/p>\n<p>&#8220;`swift<\/p>\n<p>import AVFoundation<\/p>\n<p>&#8220;`<\/p>\n<p>2. \u521b\u5efa\u4e00\u4e2aAVCaptureSession\u5bf9\u8c61\uff1a<\/p>\n<p>&#8220;`swift<\/p>\n<p>let captureSession = AVCaptureSession()<\/p>\n<p>&#8220;`<\/p>\n<p>3. \u83b7\u53d6\u8bbe\u5907\u8f93\u5165\uff1a<\/p>\n<p>&#8220;`swift<\/p>\n<p>guard let captureDevice = AVCaptureDevice.default(for: .video) else { return }<\/p>\n<p>guard let input = try? AVCaptureDeviceInput(device: captureDevice) else { return }<\/p>\n<p>captureSession.addInput(input)<\/p>\n<p>&#8220;`<\/p>\n<p>4. \u521b\u5efa\u9884\u89c8\u56fe\u5c42\uff1a<\/p>\n<p>&#8220;`swift<\/p>\n<p>let previewLayer = AVCaptureVideoPreviewLayer(session: captureSession)<\/p>\n<p>previewLayer.frame = view.bounds<\/p>\n<p>view.layer.addSublayer(previewLayer)<\/p>\n<p>captureSession.startRunning()<\/p>\n<p>&#8220;`<\/p>\n<p>5. \u62cd\u7167\uff1a<\/p>\n<p>&#8220;`swift<\/p>\n<p>let photoOutput = AVCapturePhotoOutput()<\/p>\n<p>captureSession.ad<a href=\"https:\/\/www.yimenapp.com\/\">APP\u5f00\u53d1<\/a>dOutput(photoOutput)<\/p>\n<p>photoOutput.capturePhoto(with: AVCapturePhotoSettings(), delegate: self)<\/p>\n<p>&#8220;`<\/p>\n<p>6. \u5904\u7406\u62cd\u7167\u7ed3\u679c\uff1a<\/p>\n<p>&#8220;`swift<\/p>\n<p>extension ViewController: AVCapturePhotoCaptureDelegate {<\/p>\n<p>    func photoOutput(_ output: AVCapturePhotoOutput, didFinishProcessingPhoto photo: AVCapturePhoto, error: Error?) {<\/p>\n<p>        guard let imageData = photo.fileDataRepresentation()<\/p>\n<p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/i.cdn.yimenapp.com\/2023-03\/22\/10\/10564454069.jpg\" \/><\/figure>\n<\/p>\n<p> else { return }<\/p>\n<p>        let image = UIImage(data: imageData)<\/p>\n<p>        \/\/ \u5904\u7406\u62cd\u7167\u7ed3\u679c<\/p>\n<p>    }<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u53ea\u662f\u7b80\u5355\u6f14\u793a\u4e86\u5982\u4f55\u8c03\u7528\u76f8\u673a\u5e76\u62cd\u7167\uff0c\u5b9e\u9645\u5f00\u53d1\u4e2d\u53ef\u80fd\u9700\u8981\u5904\u7406\u6743\u9650\u8bf7\u6c42\u3001\u524d\u540e\u6444\u50cf\u5934\u5207\u6362\u3001\u95ea\u5149\u706f\u63a7\u5236\u7b49\u66f4\u591a\u529f\u80fd\u3002<\/p>\n<p>\u603b\u7ed3\uff1a<\/p>\n<p>\u65e0\u8bba\u662fAndroid\u8fd8\u662fiOS\u5e73\u53f0\uff0c\u8c03\u7528\u76f8\u673a\u90fd\u9700\u8981\u5148\u83b7\u53d6\u76f8\u673a\u6743\u9650\uff0c\u7136\u540e\u521b\u5efa\u76f8\u673a\u5bf9\u8c61\u3001\u8bbe\u7f6e\u76f8\u673a\u53c2\u6570\u3001\u9884\u89c8\u76f8\u673a\u753b\u9762\uff0c\u6700\u540e\u6267\u884c\u62cd\u7167\u6216\u5f55\u50cf\u64cd\u4f5c\u3002\u5177\u4f53\u5b9e\u73b0\u65b9\u5f0f\u4f1a\u6709\u4e00\u4e9b\u5dee\u5f02\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684API\u8fdb\u884c\u5f00\u53d1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u79fb\u52a8\u5e94\u7528\u5f00\u53d1\u4e2d\uff0c\u8c03\u7528\u76f8\u673a\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u9700\u6c42\uff0c\u53ef\u4ee5\u7528\u4e8e\u62cd\u7167\u3001\u5f55\u50cf\u6216\u626b\u63cf\u4e8c\u7ef4\u7801\u7b49\u529f\u80fd\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5728Android\u548ciOS\u5e73\u53f0\u4e0a\u5982\u4f55\u8c03\u7528\u76f8\u673a\u3002\u4e00\u3001Android\u5e73\u53f0\u8c03\u7528\u76f8\u673a\u5728Android\u5e73\u53f0\u4e0a\uff0c\u8c03\u7528\u76f8\u673a<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[8760,1250,1580,268,1854],"topic":[],"class_list":["post-25074","post","type-post","status-publish","format-standard","hentry","category-kaifaapp","tag-webexe","tag-exe","tag-1580","tag-268","tag-1854"],"_links":{"self":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/posts\/25074","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/comments?post=25074"}],"version-history":[{"count":1,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/posts\/25074\/revisions"}],"predecessor-version":[{"id":25095,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/posts\/25074\/revisions\/25095"}],"wp:attachment":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/media?parent=25074"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/categories?post=25074"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/tags?post=25074"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/topic?post=25074"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}