V1.2 新构架

2026-10-28 23:19:53 +08:00 · 2021-02-20 16:45:44 +08:00
parent c2d95a1833
commit 4d76decf73
343 changed files with 41333 additions and 4 deletions
@@ -0,0 +1,76 @@
+using Android.OS;
+using Android.Views;
+using Android.Webkit;
+using System.Common;
+
+// ReSharper disable once CheckNamespace
+namespace System
+{
+    /// <summary>
+    /// 对 <see cref="WebView"/> 类的扩展函数集
+    /// </summary>
+    public static class WebViewExtensions
+    {
+        /// <summary>
+        /// 使用此函数代替 <see cref="WebView.Destroy"/>
+        /// </summary>
+        /// <param name="webView"></param>
+        public static bool Destroy_(this WebView? webView)
+        {
+            if (webView != null)
+            {
+                webView.StopLoading(); // 停止加载
+                if (webView.Settings != null)
+                    webView.Settings.JavaScriptEnabled = false; // 禁用JS
+                webView.ClearHistory(); //清除历史记录
+                webView.RemoveAllViews();
+                var parent = webView.Parent;
+                if (parent is ViewGroup group)
+                    group.RemoveView(webView); // 移除WebView
+                webView.Destroy(); // 销毁VebView
+                return true;
+            }
+            return false;
+        }
+
+        /// <summary>
+        /// 在 <see cref="WebView"/> 初始化中优化
+        /// </summary>
+        /// <param name="webView"></param>
+        /// <param name="isHtmlOnly">是否仅加载HTML内容</param>
+        public static void InitOptimize(this WebView webView, bool isHtmlOnly = true)
+        {
+            if (webView.Settings != null)
+            {
+                webView.Settings.SetRenderPriority(WebSettings.RenderPriority.High);
+                webView.Settings.BuiltInZoomControls = false;
+                webView.Settings.SetSupportZoom(false);
+                webView.Settings.DisplayZoomControls = false;
+                webView.Settings.BlockNetworkImage = isHtmlOnly;
+                webView.Settings.JavaScriptEnabled = !isHtmlOnly;
+            }
+            if (Build.VERSION.SdkInt < BuildVersionCodes.M)
+            {
+#pragma warning disable CS0618 // 类型或成员已过时
+                webView.SetHorizontalScrollbarOverlay(false);
+                webView.SetVerticalScrollbarOverlay(false);
+#pragma warning restore CS0618 // 类型或成员已过时
+            }
+        }
+
+        /// <summary>
+        /// 加载 HTML 字符串
+        /// </summary>
+        /// <param name="webView"></param>
+        /// <param name="htmlString"></param>
+        public static void LoadHtmlString(this WebView webView, string htmlString)
+        {
+            webView.LoadDataWithBaseURL(
+                baseUrl: null,
+                data: htmlString,
+                mimeType: MediaTypeNames.HTML,
+                encoding: Constants.UTF8,
+                historyUrl: null);
+        }
+    }
+}