{"id":1872,"date":"2023-03-30T22:31:33","date_gmt":"2023-03-30T14:31:33","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=1872"},"modified":"2023-04-22T09:04:51","modified_gmt":"2023-04-22T01:04:51","slug":"android-webview-implement-custom-headers-for-all-requests","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/03\/30\/android-webview-implement-custom-headers-for-all-requests\/","title":{"rendered":"Android WebView\u5185\u6240\u6709\u8bf7\u6c42\u5b9e\u73b0\u81ea\u5b9a\u4e49Header"},"content":{"rendered":"<p>\u67e5\u9605\u7f51\u4e0a\u8bf8\u591a\u65b9\u6cd5\u65e0\u6548\uff0c\u672c\u6587\u65b9\u6cd5\u4eb2\u6d4b\u6709\u6548<\/p>\n<p>\u539f\u7406\uff1a\u590d\u5199<code>shouldInterceptRequest<\/code>\u62e6\u622a\u8bf7\u6c42\uff0c\u4f7f\u7528OkHttp\u7b49\u5ba2\u6237\u7aef\u8bf7\u6c42\u5de5\u5177\u5b9e\u73b0\u4ee3\u7406\u8bf7\u6c42<\/p>\n<p>\u7f3a\u70b9\uff1a\u65e0\u6cd5\u62e6\u622a\u5e76\u83b7\u53d6WebView\u5185\u90e8POST\u8bf7\u6c42\u53c2\u6570\uff0c\u5bfc\u81f4POST\u8bf7\u6c42\u5931\u8d25\uff08\u89e3\u51b3\u89c1\u4e0b\u4e00\u7bc7\u6587\u7ae0\uff09<\/p>\n<p><!-- more --><\/p>\n<pre><code class=\"language-java\">public class MainActivity extends AppCompatActivity {\n\n    private String mUrl;\n\n    @Override\n    protected void onCreate(Bundle savedInstanceState) {\n        super.onCreate(savedInstanceState);\n        setContentView(R.layout.activity_main);\n        StatusBarUtil.setLightMode(this);\n        StatusBarUtil.setTransparent(this);\n        StatusBarUtil.setColor(this, Color.WHITE, 0);\n        mLinearLayout = this.findViewById(R.id.container);\n        mUrl = &quot;https:\/\/checkout.appblog.cn\/xxxxxx&quot;;\n        initView();\n    }\n\n    private void initView() {\n        Map&lt;String, String&gt; webviewHeader =new HashMap&lt;&gt;();\n        \/\/\u6b64\u65b9\u6cd5\u65e0\u6548\n        webviewHeader.put(&quot;Referer&quot;, &quot;www.appblog.cn&quot;);\n        webviewHeader.put(&quot;referrer&quot;, &quot;www.appblog.cn&quot;);\n\n        WebView webView = findViewById(R.id.web_view);\n        WebSettings webSettings = webView.getSettings();\n        webSettings.setJavaScriptEnabled(true);\n        webSettings.setJavaScriptCanOpenWindowsAutomatically(true);\n        webSettings.setCacheMode(WebSettings.LOAD_NO_CACHE);\n        webSettings.setDomStorageEnabled(true);\n        webSettings.setDatabaseEnabled(true);\n        webSettings.setAppCacheEnabled(true);\n        webSettings.setAllowFileAccess(true);\n        webSettings.setSavePassword(true);\n        webSettings.setSupportZoom(true);\n        webSettings.setBuiltInZoomControls(true);\n        webSettings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.NARROW_COLUMNS);\n        webSettings.setUseWideViewPort(true);\n\n        webView.setWebViewClient(new WebViewClient(webView) {\n            @Override\n            public WebResourceResponse shouldInterceptRequest(WebView view, WebResourceRequest request) {\n                String url = request.getUrl().toString();\n                Log.i(&quot;yezhou&quot;, request.getUrl().toString());\n                if (url.contains(&quot;gateway&quot;)) {\n                    return getNewResponse(request);\n                } else {\n                    return super.shouldInterceptRequest(view, request);\n                }\n            }\n\n            @Override\n            public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {\n                handler.proceed();\n            }\n        });\n\n        webView.loadUrl(mUrl, webviewHeader);\n    }\n\n    private WebResourceResponse getNewResponse(WriteHandlingWebResourceRequest resourceRequest) {\n        try {\n            OkHttpClient httpClient = new OkHttpClient();\n            String url = resourceRequest.getUrl().toString();\n\n            Request.Builder builder = new Request.Builder();\n            \/\/Request request = new Request.Builder()\n            builder.url(url.trim());\n            if (url.contains(&quot;gateway&quot;)) {\n                builder.addHeader(&quot;referrer&quot;, &quot;www.appblog.cn&quot;); \/\/ Example header\n            }\n            if (&quot;POST&quot;.equalsIgnoreCase(resourceRequest.getMethod())) {\n                builder.post(RequestBody.create(resourceRequest.getAjaxData().getBytes()));\n            }\n            Request request = builder.build();\n\n            Response response = httpClient.newCall(request).execute();\n\n            return new WebResourceResponse(\n                    null,\n                    response.header(&quot;content-encoding&quot;, &quot;utf-8&quot;),\n                    response.body().byteStream()\n            );\n\n        } catch (Exception e) {\n            return null;\n        }\n    }\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u67e5\u9605\u7f51\u4e0a\u8bf8\u591a\u65b9\u6cd5\u65e0\u6548\uff0c\u672c\u6587\u65b9\u6cd5\u4eb2\u6d4b\u6709\u6548 \u539f\u7406\uff1a\u590d\u5199shouldInterceptRequest\u62e6\u622a\u8bf7\u6c42\uff0c\u4f7f\u7528O [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[311],"tags":[67],"class_list":["post-1872","post","type-post","status-publish","format-standard","hentry","category-android-advance","tag-webview"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1872","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1872"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1872\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1872"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1872"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1872"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}