js获取mac地址+安卓

import android.content.Context;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;

public String getMacAddress(Context context) {
    WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    WifiInfo wifiInfo = wifiManager.getConnectionInfo();
    if (wifiInfo != null) {
        return wifiInfo.getMacAddress();
    }
    return null;
}

import android.webkit.JavascriptInterface;

public class WebAppInterface {
    Context mContext;

    /** Instantiate the interface and set the context */
    WebAppInterface(Context c) {
        mContext = c;
    }

    /** Show a toast from the web page */
    @JavascriptInterface
    public String getMacAddress() {
        return getMacAddress(mContext);
    }
}

// 在Activity中设置WebView
WebView webView = findViewById(R.id.webview);
webView.getSettings().setJavaScriptEnabled(true);
webView.addJavascriptInterface(new WebAppInterface(this), "Android");

function getMacAddressFromAndroid() {
    if (window.Android) {
        return window.Android.getMacAddress();
    } else {
        return "Not available";
    }
}