百度手机卫士 v8.1.5版本的 MD5 值为：15af71eae74e2f2b5b9f845fe77a4804

以下内容为反编译后的 fns.java 源代码，内容仅作参考

package dxoptimizer;

import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.net.Uri;
import android.text.TextUtils;
import java.util.HashMap;

public class fns {
    private static final HashMap a = new HashMap();

    static {
        a.put("com.tencent.mm", "com.tencent.mm.plugin.wallet.pay.ui");
    }

    public static String a(Context context) {
        ResolveInfo resolveActivity;
        Intent intent = new Intent("android.intent.action.VIEW", Uri.parse("http://www.baidu.com"));
        PackageManager a2 = hly.a(context);
        if (a2 == null || (resolveActivity = a2.resolveActivity(intent, 0)) == null || resolveActivity.activityInfo == null) {
            return null;
        }
        if (resolveActivity.activityInfo.packageName.equals("android")) {
            return "noset";
        }
        return resolveActivity.activityInfo.packageName;
    }

    public static boolean a(String str) {
        if (TextUtils.isEmpty(str)) {
            return false;
        }
        return a.containsKey(str);
    }

    public static String b(String str) {
        if (TextUtils.isEmpty(str)) {
            return null;
        }
        return (String) a.get(str);
    }

    public static HashMap a() {
        return a;
    }
}