{"id":4929,"date":"2025-10-26T17:35:10","date_gmt":"2025-10-26T09:35:10","guid":{"rendered":"https:\/\/blog.odjbinail.cn\/?p=4929"},"modified":"2025-10-26T15:49:42","modified_gmt":"2025-10-26T07:49:42","slug":"%e5%ae%89%e5%8d%93%e8%bd%af%e4%bb%b6%e5%9b%ba%e5%ae%9a%e6%8c%87%e5%ae%9aurl%e7%9a%84h5%e9%a1%b5%e9%9d%a2","status":"publish","type":"post","link":"https:\/\/blog.odjbinail.cn\/?p=4929","title":{"rendered":"Android WebView\u6e32\u67d3\u6307\u5b9aURL\u7684H5\u5e94\u7528(App)"},"content":{"rendered":"<h2>\u7248\u672c\/\u5de5\u5177\u8bf4\u660e<\/h2>\n<ul>\n<li>\u5f00\u53d1\u5de5\u5177\uff1a\n<ul>\n<li>IntelliJ IDEA 2022.2.5 \uff08\u5df2\u5b89\u88c5\u5b89\u5353\u73af\u5883\uff09<\/li>\n<li>gradle-7.3.3<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h1>\u5b89\u5353\u5e94\u7528\u524d\u7f6e\u6761\u4ef6<\/h1>\n<h2>1.\u65b0\u5efa\u5b89\u5353\u9879\u76ee<\/h2>\n<p><img data-original=\"https:\/\/blog.odjbinail.cn\/wp-content\/uploads\/2025\/01\/2025090715463731.png\"  alt=\"\" \/><\/p>\n<noscript><img decoding=\"async\" src=\"https:\/\/blog.odjbinail.cn\/wp-content\/uploads\/2025\/01\/2025090715463731.png\" alt=\"\" \/><\/p><\/noscript>\n<h2>2.\u5b89\u88c5 gradle \u4e0e\u914d\u7f6e\u4f7f\u7528<\/h2>\n<ul>\n<li>\u4e3a\u4e86\u907f\u514d\u6784\u5efa\u51fa\u73b0 gradle\uff1aConnection timed out \u7684\u62a5\u9519\uff0cgradle \u7248\u672c\u9700\u8981\u5728 gradle-wrapper.properties \u6587\u4ef6\u91cc\u67e5\u770b\u4e0b\u8f7d\uff08\u6ce8\u610f\uff0c\u7248\u672c\u4e00\u5b9a\u4e0d\u80fd\u9519\u3002\uff09<\/li>\n<\/ul>\n<p><img data-original=\"https:\/\/blog.odjbinail.cn\/wp-content\/uploads\/2025\/01\/2025091422342660.png\"  alt=\"\" \/><\/p>\n<noscript><img decoding=\"async\" src=\"https:\/\/blog.odjbinail.cn\/wp-content\/uploads\/2025\/01\/2025091422342660.png\" alt=\"\" \/><\/p><\/noscript>\n<ul>\n<li>\u4e0b\u8f7d\u4e4b\u540e\u5728\u8bbe\u7f6e\u91cc\u9762\u914d\u7f6e gradle \u8def\u5f84<\/li>\n<\/ul>\n<p><img data-original=\"https:\/\/blog.odjbinail.cn\/wp-content\/uploads\/2025\/01\/2025090722432349.png\"  alt=\"\" \/><\/p>\n<noscript><img decoding=\"async\" src=\"https:\/\/blog.odjbinail.cn\/wp-content\/uploads\/2025\/01\/2025090722432349.png\" alt=\"\" \/><\/p><\/noscript>\n<ul>\n<li>\u786e\u5b9a\u4e4b\u540e, IDEA \u4f1a\u81ea\u52a8\u6784\u5efa, \u6784\u5efa\u65f6\u95f4\u53ef\u80fd\u6709\u70b9\u957f, \u9700\u8010\u5fc3\u7b49\u5f85<\/li>\n<\/ul>\n<p><img data-original=\"https:\/\/blog.odjbinail.cn\/wp-content\/uploads\/2025\/01\/2025091422314755.png\"  alt=\"\" \/><\/p>\n<noscript><img decoding=\"async\" src=\"https:\/\/blog.odjbinail.cn\/wp-content\/uploads\/2025\/01\/2025091422314755.png\" alt=\"\" \/><\/p><\/noscript>\n<h1>\u6b65\u9aa4<\/h1>\n<p>\u5982\u679c\u4f60\u60f3\u5728\u5b89\u5353\u5e94\u7528\u4e2d\u56fa\u5b9a\u4e00\u4e2a\u6307\u5b9a\u7684 URL\uff0c\u5e76\u4e14\u901a\u8fc7 WebView \u663e\u793a\u4e00\u4e2a H5 \u9875\u9762\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u6765\u5b9e\u73b0\uff1a<\/p>\n<h2>1.\u6dfb\u52a0\u6743\u9650<\/h2>\n<ul>\n<li>\u786e\u4fdd\u4f60\u7684\u5e94\u7528\u5177\u6709\u8bbf\u95ee\u4e92\u8054\u7f51\u7684\u6743\u9650\uff0c\u5728 AndroidManifest.xml \u4e2d\u52a0\u5165\u4ee5\u4e0b\u6743\u9650\uff1a<\/li>\n<\/ul>\n<pre class=\"prettyprint linenums\" ><code>&lt;uses-permission android:name=&quot;android.permission.INTERNET&quot; \/&gt;<\/code><\/pre>\n<h2>2.\u521b\u5efa WebView \u5e03\u5c40<\/h2>\n<ul>\n<li>\u5728\u4f60\u7684 activity_main.xml \u6216\u5176\u4ed6\u5e03\u5c40\u6587\u4ef6\u4e2d\uff0c\u6dfb\u52a0\u4e00\u4e2a WebView \u63a7\u4ef6<\/li>\n<\/ul>\n<pre class=\"prettyprint linenums\" ><code>&lt;WebView\n    android:id=&quot;@+id\/webview&quot;\n    android:layout_width=&quot;match_parent&quot;\n    android:layout_height=&quot;match_parent&quot; \/&gt;<\/code><\/pre>\n<h2>3.\u914d\u7f6e WebView<\/h2>\n<ul>\n<li>\u5728\u4f60\u7684 MainActivity.java \u4e2d\uff0c\u8bbe\u7f6e WebView \u52a0\u8f7d\u6307\u5b9a\u7684 URL\uff1a<\/li>\n<\/ul>\n<pre class=\"prettyprint linenums\" ><code>package cn.odjbin.ribtest;\n\nimport android.annotation.SuppressLint;\nimport android.webkit.WebResourceRequest;\nimport android.webkit.WebView;\nimport android.webkit.WebViewClient;\nimport androidx.appcompat.app.AppCompatActivity;\nimport android.os.Bundle;\n\npublic class MainActivity extends AppCompatActivity {\nprivate WebView webView;\n    @SuppressLint(&quot;MissingInflatedId&quot;)\n    @Override\n    protected void onCreate(Bundle savedInstanceState) {\n        super.onCreate(savedInstanceState);\n        setContentView(R.layout.activity_main);\n        webView = findViewById(R.id.webview);\n        \/\/\u5f00\u542f JavaScript \u652f\u6301\n        webView.getSettings().setJavaScriptEnabled(true);\n\n        \/\/\u8bbe\u7f6e WebViewClient,\u907f\u514d\u70b9\u51fb\u94fe\u63a5\u65f6\u8df3\u8f6c\u5230\u6d4f\u89c8\u5668\n        webView.setWebViewClient(new WebViewClient(){\n            @Override\n            public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {\n                \/\/\u56fa\u5b9a\u6307\u5b9a URL\n                \/\/\u8df3\u8f6c\u5230\u5916\u90e8\u6d4f\u89c8\u5668\n                return !request.getUrl().toString().equals(&quot;http:\/\/xxx&quot;);\/\/\u5728 WebView \u4e2d\u52a0\u8f7d\n            }\n        });\n        \/\/\u52a0\u8f7d\u6307\u5b9a URL\n        webView.loadUrl(&quot;http:\/\/xxx&quot;);\n    }\n\n    @Override\n    public void onBackPressed() {\n        \/\/\u8ba9 WebView \u652f\u6301\u8fd4\u56de\u952e\u56de\u9000\u529f\u80fd\n        if(webView.canGoBack()){\n            webView.goBack();\n        }else{\n            super.onBackPressed();\n        }\n    }\n}<\/code><\/pre>\n<h3>\u8fd0\u884c\u8c03\u8bd5: \u6211\u8fd9\u8fb9\u9009\u62e9\u624b\u673a\u7684\u65e0\u7ebf\u8c03\u8bd5<\/h3>\n<p><img data-original=\"https:\/\/blog.odjbinail.cn\/wp-content\/uploads\/2025\/01\/2025091522395131.png\"  alt=\"\" \/><\/p>\n<noscript><img decoding=\"async\" src=\"https:\/\/blog.odjbinail.cn\/wp-content\/uploads\/2025\/01\/2025091522395131.png\" alt=\"\" \/><\/p><\/noscript>\n<h1>\u95ee\u9898 1: net:ERR_CLEARTEXT_NOT_PREMITTEN<\/h1>\n<ul>\n<li>\n<p>net::ERR_CLEARTEXT_NOT_PERMITTED \u9519\u8bef\u901a\u5e38\u53d1\u751f\u5728 Android 9.0\uff08API \u7ea7\u522b 28\uff09\u53ca\u66f4\u9ad8\u7248\u672c\u4e2d\uff0c\u5f53\u4f60\u7684\u5e94\u7528\u5c1d\u8bd5\u901a\u8fc7 HTTP\uff08\u5373\u975e\u52a0\u5bc6\u7684\u6e05\u6670\u6587\u672c\u8fde\u63a5\uff09\u8bbf\u95ee\u4e00\u4e2a URL \u65f6\uff0cAndroid \u51fa\u4e8e\u5b89\u5168\u8003\u8651\u4f1a\u963b\u6b62\u8fd9\u79cd\u884c\u4e3a\u3002<\/p>\n<\/li>\n<li>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cAndroid 9 \u53ca\u4ee5\u4e0a\u7248\u672c\u8981\u6c42\u6240\u6709\u7684\u7f51\u7edc\u8bf7\u6c42\u90fd\u4f7f\u7528 HTTPS\uff08\u52a0\u5bc6\u7684\u8fde\u63a5\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u89e3\u51b3\u529e\u6cd5:<\/h2>\n<ul>\n<li>\n<p>1.\u4f7f\u7528 HTTPS\uff08\u63a8\u8350\uff09<\/p>\n<\/li>\n<li>\n<p>2.\u5141\u8bb8 HTTP \u8bf7\u6c42\uff08\u4e0d\u63a8\u8350\uff0c\u53ea\u6709\u5728\u7279\u6b8a\u60c5\u51b5\u4e0b\u4f7f\u7528\uff09<\/p>\n<\/li>\n<\/ul>\n<p>\u5982\u679c\u4f60\u5fc5\u987b\u901a\u8fc7 HTTP \u8bbf\u95ee\u67d0\u4e2a URL\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u4fee\u6539\u5e94\u7528\u7684\u914d\u7f6e\uff0c\u5141\u8bb8\u6e05\u6670\u6587\u672c HTTP \u8fde\u63a5\u3002<\/p>\n<ul>\n<li>\u2460\u5728 AndroidManifest.xml \u4e2d\u542f\u7528 Cleartext \u652f\u6301<br \/>\n\u5728\u4f60\u7684 AndroidManifest.xml \u6587\u4ef6\u4e2d\u7684 &lt;application \u6807\u7b7e\u5185\uff0c\u52a0\u5165\u4ee5\u4e0b\u4ee3\u7801: <\/li>\n<\/ul>\n<p><code><code>android:usesCleartextTraffic=&quot;true&quot;<\/code><\/code><\/p>\n<p>\u8fd9\u4f1a\u544a\u8bc9\u7cfb\u7edf\u5141\u8bb8\u5e94\u7528\u8fdb\u884c HTTP \u8bf7\u6c42\u3002<\/p>\n<ul>\n<li>\u2461\u4e3a\u7279\u5b9a\u57df\u540d\u914d\u7f6e Cleartext \u652f\u6301\uff08\u63a8\u8350\u65b9\u5f0f\uff09<br \/>\n\u4e3a\u4e86\u66f4\u7ec6\u7c92\u5ea6\u5730\u63a7\u5236\uff0c\u53ef\u4ee5\u5728 network_security_config.xml \u6587\u4ef6\u4e2d\u6307\u5b9a\u54ea\u4e9b\u57df\u540d\u5141\u8bb8\u4f7f\u7528 HTTP\u3002<\/li>\n<\/ul>\n<p>\u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2a res\/xml\/network_security_config.xml \u6587\u4ef6\uff08\u5982\u679c\u6ca1\u6709\u7684\u8bdd\uff09\uff0c\u5e76\u6dfb\u52a0\u5982\u4e0b\u5185\u5bb9\uff1a<\/p>\n<pre class=\"prettyprint linenums\" ><code>&lt;?xml version=&quot;1.0&quot; encoding=&quot;utf-8&quot;?&gt;\n&lt;network-security-config&gt;\n    &lt;domain-config cleartextTrafficPermitted=&quot;true&quot;&gt;\n        &lt;domain includeSubdomains=&quot;true&quot;&gt;yourdomain.com&lt;\/domain&gt;\n    &lt;\/domain-config&gt;\n&lt;\/network-security-config&gt;<\/code><\/pre>\n<p>\u7136\u540e\uff0c\u786e\u4fdd\u5728 AndroidManifest.xml \u4e2d&lt;application \u5f15\u7528\u8fd9\u4e2a\u914d\u7f6e\u6587\u4ef6\uff1a<\/p>\n<p><code><code>android:networkSecurityConfig=&quot;@xml\/network_security_config&quot;<\/code><\/code><\/p>\n<p>\u8fd9\u6837\uff0c\u4f60\u53ea\u4f1a\u5141\u8bb8 yourdomain.com \u4f7f\u7528 HTTP\uff0c\u800c\u5176\u4ed6\u57df\u540d\u4ecd\u7136\u8981\u6c42\u4f7f\u7528 HTTPS\u3002<\/p>\n<ul>\n<li>\u2462\u907f\u514d\u4f7f\u7528 HTTP \u8fde\u63a5<\/li>\n<\/ul>\n<p>\u5982\u679c\u662f\u4f60\u81ea\u5df1\u63a7\u5236\u7684\u670d\u52a1\u5668\u6216\u7b2c\u4e09\u65b9 API\uff0c\u5efa\u8bae\u5c3d\u53ef\u80fd\u652f\u6301 HTTPS\uff0c\u8fd9\u4e0d\u4ec5\u80fd\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u8fd8\u80fd\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h1>\u95ee\u9898 2: \u5b89\u5353 WebView \u4e2d\u52a0\u8f7d\u7684 H5 \u7f51\u9875\u5185\u65e0\u6cd5\u8fdb\u884c\u8def\u7531\u5207\u6362<\/h1>\n<p>\u901a\u5e38\u662f\u56e0\u4e3a WebView \u5728\u52a0\u8f7d\u9875\u9762\u65f6\u5e76\u672a\u6b63\u786e\u5904\u7406 SPA\uff08\u5355\u9875\u5e94\u7528\uff09\u8def\u7531\uff0c\u6216\u8005\u662f\u9875\u9762\u4e0a\u7684 JavaScript \u8def\u7531\uff08\u4f8b\u5982 Vue Router\u3001React Router \u7b49\uff09\u6ca1\u6709\u6b63\u786e\u54cd\u5e94 URL \u8def\u5f84\u7684\u53d8\u5316\u3002<\/p>\n<h2>\u89e3\u51b3\u529e\u6cd5:<\/h2>\n<p>MainActivity.java<\/p>\n<ul>\n<li>\u5f00\u542f JavaScript \u652f\u6301<\/li>\n<\/ul>\n<pre class=\"prettyprint linenums\" ><code>webView.getSettings().setJavaScriptEnabled(true);<\/code><\/pre>\n<ul>\n<li>\u4fee\u6539 WebViewClient \u7684\u62e6\u622a\u903b\u8f91<\/li>\n<\/ul>\n<pre class=\"prettyprint linenums\" ><code>      webView.setWebViewClient(new WebViewClient() {\n            @Override\n            public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {\n                String url = request.getUrl().toString();\n                \/\/ \u53ea\u62e6\u622a\u5916\u90e8\u94fe\u63a5\uff0c\u81ea\u5df1\u57df\u540d\u7684\u653e\u884c\n                if (url.startsWith(&quot;https:\/\/yourdomain.com&quot;)) {\n                    return false; \/\/ \u4ea4\u7ed9 WebView \u5185\u90e8\u5904\u7406\n                } else {\n                    \/\/ \u5916\u94fe\u4ea4\u7ed9\u7cfb\u7edf\u6d4f\u89c8\u5668\u5904\u7406\n                    Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));\n                    startActivity(intent);\n                    return true;\n                }\n            }\n        });<\/code><\/pre>\n<h1>\u95ee\u9898 3: WebView \u5d4c\u5165 url \u540e, \u7f51\u7ad9\u4e2d \u6587\u4ef6\u4e0a\u4f20\u8c03\u7528\u76f8\u518c, \u5982\u4f55\u5b9e\u73b0<\/h1>\n<p>\u5728 Android \u7684 WebView \u4e2d\u5b9e\u73b0 H5 \u7f51\u9875\u8c03\u7528\u8bbe\u5907\u7684\u76f8\u518c\u8fdb\u884c\u6587\u4ef6\u4e0a\u4f20\uff0c\u9700\u8981\u6b63\u786e\u914d\u7f6e WebView \u548c\u5904\u7406\u6587\u4ef6\u9009\u62e9\u7684\u56de\u8c03\u903b\u8f91\u3002<\/p>\n<h2>\u89e3\u51b3\u529e\u6cd5:<\/h2>\n<p>MainActivity.java<\/p>\n<ul>\n<li>\u5b9a\u4e49\u5168\u5c40\u53d8\u91cf\u548c\u5e38\u91cf<\/li>\n<\/ul>\n<pre class=\"prettyprint linenums\" ><code>    private ValueCallback&lt;Uri[]&gt; filePathCallback; \/\/ \u6587\u4ef6\u9009\u62e9\u56de\u8c03\uff08\u9002\u7528\u4e8e Android 5.0+\uff09\n    private Uri cameraUri;\n<\/code><\/pre>\n<ul>\n<li>1.\u542f\u7528\u6587\u4ef6\u4e0a\u4f20\u529f\u80fd<br \/>\n\u786e\u4fdd WebView \u7684\u8bbe\u7f6e\u652f\u6301\u6587\u4ef6\u4e0a\u4f20\uff1a<\/li>\n<\/ul>\n<pre class=\"prettyprint linenums\" ><code>webView.getSettings().setJavaScriptEnabled(true); \/\/ \u542f\u7528 JavaScript\nwebView.getSettings().setAllowFileAccess(true);  \/\/ \u5141\u8bb8\u8bbf\u95ee\u6587\u4ef6\nwebView.getSettings().setAllowContentAccess(true); \/\/ \u5141\u8bb8\u5185\u5bb9\u8bbf\u95ee<\/code><\/pre>\n<h2>\u95ee\u9898 3.1: 'startActivityForResult(android.content.Intent, int)' \u5df2\u5f03\u7528<\/h2>\n<p>\u5728 Android 11(API 30) \u4e4b\u540e\uff0cstartActivityForResult() \u548c onActivityResult() \u5df2\u88ab \u5f03\u7528\uff0c<br \/>\n\u63a8\u8350\u4f7f\u7528 \u65b0\u7684 Activity Result API (registerForActivityResult()) \u6765\u5904\u7406\uff0c\u6bd4\u5982\u6587\u4ef6\u9009\u62e9\u3001\u62cd\u7167\u3001\u6743\u9650\u8bf7\u6c42\u7b49<\/p>\n<h3>\u89e3\u51b3\u529e\u6cd5: \u521b\u5efa\u65b0\u7684 Activity Result API<\/h3>\n<pre class=\"prettyprint linenums\" ><code>     private final ActivityResultLauncher&lt;Intent&gt; fileChooserLauncher=registerForActivityResult(new ActivityResultContracts.StartActivityForResult(),result -&gt; {\n        if(filePathCallback==null)return;\n        Uri[] results = null;\n        if(result.getResultCode()== Activity.RESULT_OK){\n            Intent data=result.getData();\n            if(data==null){\n                \/\/ \u62cd\u7167\n                if (cameraUri != null) {\n                    results = new Uri[]{cameraUri};\n                }\n\n            }else{\n                Uri uriData =data.getData();\n                if(uriData !=null){\n                    results = new Uri[]{uriData };\n                }\n            }\n        }\n        \/\/ \u2705 \u5fc5\u987b\u8c03\u7528\uff0c\u4e0d\u7ba1\u6709\u6ca1\u6709\u7ed3\u679c\uff0c\u5426\u5219\u7b2c\u4e8c\u6b21\u4e0d\u518d\u89e6\u53d1\n        filePathCallback.onReceiveValue(results);\n        filePathCallback=null;\n        cameraUri = null;\n\n    });<\/code><\/pre>\n<h2>\u95ee\u9898 3.2: WebView \u6587\u4ef6\u4e0a\u4f20\u7b2c\u4e8c\u6b21\u70b9\u51fb\u65e0\u53cd\u5e94<\/h2>\n<p>\u51fa\u73b0\u7684\u539f\u56e0\u51e0\u4e4e\u90fd\u662f\uff1a<\/p>\n<p>\ud83d\udccc \u7b2c\u4e00\u6b21\u56de\u8c03\u540e\uff0c\u6ca1\u6709\u6b63\u786e\u8c03\u7528 filePathCallback.onReceiveValue(null) \u6e05\u7a7a\u56de\u8c03\u5bf9\u8c61\u3002<br \/>\n\u5bfc\u81f4 WebView \u8ba4\u4e3a\u4e0a\u4e00\u4e2a\u6587\u4ef6\u9009\u62e9\u8bf7\u6c42\u8fd8\u6ca1\u7ed3\u675f\uff0c\u4ece\u800c\u4e0d\u518d\u89e6\u53d1\u7b2c\u4e8c\u6b21\u9009\u62e9\u3002<\/p>\n<ul>\n<li>2.\u5904\u7406\u6587\u4ef6\u9009\u62e9\u56de\u8c03<br \/>\n\u901a\u8fc7\u91cd\u5199 WebChromeClient\uff0c\u5904\u7406\u6587\u4ef6\u9009\u62e9\u5668\u7684\u8c03\u7528\u3002<\/li>\n<\/ul>\n<pre class=\"prettyprint linenums\" ><code>     \/\/2. \u5904\u7406\u6587\u4ef6\u9009\u62e9\u56de\u8c03\n        webView.setWebChromeClient(new WebChromeClient() {\n\n            \/\/\u7528\u4e8e\u5904\u7406\u6587\u4ef6\u9009\u62e9\u7684\u56de\u8c03\n            @Override\n            public boolean onShowFileChooser(WebView webView, ValueCallback&lt;Uri[]&gt; filePathCallback, FileChooserParams fileChooserParams) {\n               \/\/\u5148\u6e05\u7406\u4e0a\u4e00\u6b21\u6b8b\u7559\u7684 callback, \u9632\u6b62&quot;\u7b2c\u4e8c\u6b21\u65e0\u54cd\u5e94&quot;\n                if(MainActivity.this.filePathCallback!=null){\n                    MainActivity.this.filePathCallback.onReceiveValue(null);\n                    MainActivity.this.filePathCallback=null;\n                }\n                \/\/ \u4fdd\u5b58\u56de\u8c03\n                MainActivity.this.filePathCallback=filePathCallback;\n                \/\/\u8c03\u7528\u7cfb\u7edf\u76f8\u518c\u6216\u6587\u4ef6\u9009\u62e9\u5668\n                Intent intent = fileChooserParams.createIntent();\n                try {\n                    \/\/\u4f7f\u7528\u65b0\u7684 Launcher \u542f\u52a8\n                    fileChooserLauncher.launch(intent);\n                } catch (ActivityNotFoundException e) {\n                    MainActivity.this.filePathCallback = null;\n                    Toast.makeText(MainActivity.this, &quot;\u65e0\u6cd5\u6253\u5f00\u6587\u4ef6\u9009\u62e9\u5668&quot;, Toast.LENGTH_LONG).show();\n                    return false;\n                }\n                return true;\n            }\n        });<\/code><\/pre>\n<h1>\u95ee\u9898 4: \u6587\u4ef6\u4e0a\u4f20\u5982\u4f55\u652f\u6301\u62cd\u7167 + \u76f8\u518c\u9009\u62e9?<\/h1>\n","protected":false},"excerpt":{"rendered":"<p>\u7248\u672c\/\u5de5\u5177\u8bf4\u660e \u5f00\u53d1\u5de5\u5177\uff1a IntelliJ IDEA 2022.2.5 \uff08\u5df2\u5b89\u88c5\u5b89\u5353\u73af\u5883\uff09 gradle-7 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4929","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/blog.odjbinail.cn\/index.php?rest_route=\/wp\/v2\/posts\/4929","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.odjbinail.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.odjbinail.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.odjbinail.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.odjbinail.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4929"}],"version-history":[{"count":35,"href":"https:\/\/blog.odjbinail.cn\/index.php?rest_route=\/wp\/v2\/posts\/4929\/revisions"}],"predecessor-version":[{"id":5170,"href":"https:\/\/blog.odjbinail.cn\/index.php?rest_route=\/wp\/v2\/posts\/4929\/revisions\/5170"}],"wp:attachment":[{"href":"https:\/\/blog.odjbinail.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4929"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.odjbinail.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4929"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.odjbinail.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4929"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}