Add X5WebView implementation with JavaScript injection, fullscreen, and optimization features.

app/src/main/java/com/github/catvod/web/X5WebView.java

@@ -0,0 +1,48 @@
+package com.github.catvod.web;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.View;
+import android.webkit.WebChromeClient;
+import android.webkit.WebSettings;
+import android.webkit.WebView;
+import android.webkit.WebViewClient;
+
+public class X5WebView extends WebView {
+
+    public X5WebView(Context context) {
+        super(context);
+        init();
+    }
+
+    public X5WebView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init();
+    }
+
+    public X5WebView(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init();
+    }
+
+    private void init() {
+        WebSettings webSettings = getSettings();
+        webSettings.setJavaScriptEnabled(true);
+        webSettings.setSupportZoom(true);
+        webSettings.setLoadWithOverviewMode(true);
+        webSettings.setUseWideViewPort(true);
+        webSettings.setDomStorageEnabled(true);
+
+        setWebViewClient(new WebViewClient());
+        setWebChromeClient(new WebChromeClient());
+
+        // JavaScript injection for CCTV playback
+        loadUrl("javascript:(function() { " +
+                "document.getElementById('video').play();" +
+                "document.documentElement.requestFullscreen();" +
+                "})()");
+
+        // Page optimization features
+        setLayerType(View.LAYER_TYPE_HARDWARE, null);
+    }
+}