当用户打开wifi并返回应用程序时刷新webview

<uses-permission android:name="android.permission.INTERNET" />

<WebView
    android:id="@+id/webview"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

WebView webView = findViewById(R.id.webview);
webView.getSettings().setJavaScriptEnabled(true); // 启用JavaScript支持
webView.setWebViewClient(new WebViewClient()); // 设置WebViewClient以处理页面加载事件

private BroadcastReceiver networkChangeReceiver = new BroadcastReceiver() {
    @Override
    public void onReceive(Context context, Intent intent) {
        ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
        if (networkInfo != null && networkInfo.isConnected()) {
            webView.reload(); // 刷新WebView
        }
    }
};

// 注册网络连接状态变化的广播接收器
IntentFilter intentFilter = new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION);
registerReceiver(networkChangeReceiver, intentFilter);