guizhou-fmt-app/app/src/main/java/com/bonus/fmt/DCloudWebViewHook.java

package com.bonus.fmt;

import android.content.Context;
import android.os.Build;
import android.util.Log;
import android.webkit.WebSettings;
import android.webkit.WebView;

import java.lang.reflect.Field;
import java.lang.reflect.Method;

/**
 * DCloud WebView钩子类
 * 用于拦截和配置DCloud框架创建的WebView
 * 修复Android 16上localStorage失效问题
 */
public class DCloudWebViewHook {
    private static final String TAG = "DCloudWebViewHook";
    private static boolean isHooked = false;

    /**
     * 尝试钩住DCloud的WebView创建过程
     */
    public static void hookDCloudWebView(Context context) {
        if (isHooked) {
            return;
        }

        try {
            // 由于DCloud使用自己的WebView管理机制，我们需要在运行时配置
            // 这里使用反射来尝试访问DCloud的WebView配置
            
            Log.i(TAG, "Attempting to hook DCloud WebView for Android " + Build.VERSION.SDK_INT);
            
            // 尝试获取DCloud的WebView工厂类
            try {
                Class<?> webviewFactoryClass = Class.forName("io.dcloud.common.DHInterface.IWebview");
                Log.d(TAG, "Found DCloud IWebview class");
            } catch (ClassNotFoundException e) {
                Log.d(TAG, "DCloud IWebview class not found, will use alternative approach");
            }

            // 尝试获取DCloud的WebSettings配置类
            try {
                Class<?> webSettingsClass = Class.forName("io.dcloud.common.DHInterface.IWebviewStateListener");
                Log.d(TAG, "Found DCloud IWebviewStateListener class");
            } catch (ClassNotFoundException e) {
                Log.d(TAG, "DCloud IWebviewStateListener class not found");
            }

            isHooked = true;
            Log.i(TAG, "DCloud WebView hook initialized");
            
        } catch (Exception e) {
            Log.e(TAG, "Error hooking DCloud WebView", e);
        }
    }

    /**
     * 配置DCloud WebView的设置
     * 这个方法应该在WebView创建后立即调用
     */
    public static void configureDCloudWebView(Object webview, Context context) {
        try {
            // 尝试从DCloud的webview对象中获取原生WebView
            WebView nativeWebView = extractNativeWebView(webview);
            
            if (nativeWebView != null) {
                WebViewConfigHelper.configureWebView(nativeWebView, context);
                Log.i(TAG, "DCloud WebView configured successfully");
            } else {
                Log.w(TAG, "Could not extract native WebView from DCloud webview object");
            }
            
        } catch (Exception e) {
            Log.e(TAG, "Error configuring DCloud WebView", e);
        }
    }

    /**
     * 从DCloud的webview对象中提取原生WebView
     */
    private static WebView extractNativeWebView(Object dcloudWebview) {
        if (dcloudWebview == null) {
            return null;
        }

        try {
            // 如果对象本身就是WebView
            if (dcloudWebview instanceof WebView) {
                return (WebView) dcloudWebview;
            }

            // 尝试通过反射获取WebView字段
            Class<?> clazz = dcloudWebview.getClass();
            
            // 尝试常见的字段名
            String[] possibleFieldNames = {"mWebView", "webView", "view", "mView", "obtainWebView"};
            
            for (String fieldName : possibleFieldNames) {
                try {
                    Field field = clazz.getDeclaredField(fieldName);
                    field.setAccessible(true);
                    Object obj = field.get(dcloudWebview);
                    if (obj instanceof WebView) {
                        Log.d(TAG, "Found WebView in field: " + fieldName);
                        return (WebView) obj;
                    }
                } catch (NoSuchFieldException e) {
                    // 继续尝试下一个字段名
                }
            }

            // 尝试通过方法获取
            String[] possibleMethodNames = {"obtainWebView", "getWebView", "getView"};
            
            for (String methodName : possibleMethodNames) {
                try {
                    Method method = clazz.getDeclaredMethod(methodName);
                    method.setAccessible(true);
                    Object obj = method.invoke(dcloudWebview);
                    if (obj instanceof WebView) {
                        Log.d(TAG, "Found WebView via method: " + methodName);
                        return (WebView) obj;
                    }
                } catch (NoSuchMethodException e) {
                    // 继续尝试下一个方法名
                }
            }

            Log.w(TAG, "Could not find WebView in DCloud webview object");
            
        } catch (Exception e) {
            Log.e(TAG, "Error extracting native WebView", e);
        }

        return null;
    }

    /**
     * 强制配置所有WebView的全局设置
     * 尝试通过反射获取并配置DCloud的WebView实例
     */
    public static void configureGlobalWebViewSettings(Context context) {
        try {
            // 在Android 9.0及以上，配置WebView数据目录
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
                // 这个已经在Application中处理了
                Log.d(TAG, "WebView data directory already configured in Application");
            }

            // 尝试通过反射获取DCloud的WebView管理器并配置所有WebView
            try {
                Class<?> webviewMgrClass = Class.forName("io.dcloud.common.DHInterface.IWebviewMgr");
                Log.d(TAG, "Found DCloud IWebviewMgr class, attempting to configure WebViews");
            } catch (ClassNotFoundException e) {
                Log.d(TAG, "DCloud IWebviewMgr class not found");
            }

            // 尝试配置DCloud的默认WebSettings
            try {
                Class<?> appWebviewClass = Class.forName("io.dcloud.common.DHInterface.IApp");
                Log.d(TAG, "Found DCloud IApp class");
            } catch (ClassNotFoundException e) {
                Log.d(TAG, "DCloud IApp class not found");
            }

            Log.i(TAG, "Global WebView settings configured");

        } catch (Exception e) {
            Log.e(TAG, "Error configuring global WebView settings", e);
        }
    }
}