QQ浏览器 v12.2.3.7053版本的 MD5 值为：8285ab3059e5c8b521a264dfbc5c3685

以下内容为反编译后的 ex.java 源代码，内容仅作参考

package c.t.m.sapp.g;

import android.net.ConnectivityManager;
import android.net.DhcpInfo;
import android.net.NetworkInfo;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Build;
import android.text.format.Formatter;
import com.tencent.mtt.compliance.MethodDelegate;
import java.util.Arrays;

public final class ex {

    private int f2027a = 15;

    private double[] f2028b = new double[this.f2027a];

    private double f2029c;

    private int f2030d;
    private int e;

    public static final class a {

        public static final a f2031a = new a("NETWORK_NONE", 0);

        public static final a f2032b = new a("NETWORK_MOBILE", 1);

        public static final a f2033c = new a("NETWORK_WIFI", 2);

        static {
            a[] aVarArr = {f2031a, f2032b, f2033c};
        }

        private a(String str, int i) {
        }
    }

    public ex() {
        c();
    }

    @Deprecated
    public static a a() {
        try {
            ConnectivityManager connectivityManager = (ConnectivityManager) fa.a("connectivity");
            NetworkInfo activeNetworkInfo = connectivityManager == null ? null : connectivityManager.getActiveNetworkInfo();
            if (activeNetworkInfo != null && activeNetworkInfo.isConnected()) {
                return Build.VERSION.SDK_INT >= 16 ? connectivityManager.isActiveNetworkMetered() ? a.f2032b : a.f2033c : 1 == activeNetworkInfo.getType() ? a.f2033c : a.f2032b;
            }
            return a.f2031a;
        } catch (Throwable unused) {
            return a.f2031a;
        }
    }

    @Deprecated
    public static boolean a(WifiManager wifiManager) {
        boolean z;
        String bssid;
        if (wifiManager == null) {
            return false;
        }
        try {
            DhcpInfo dhcpInfo = wifiManager.getDhcpInfo();
            if (dhcpInfo != null) {
                String formatIpAddress = Formatter.formatIpAddress(dhcpInfo.gateway);
                if ("192.168.43.1".equals(formatIpAddress) || "172.20.10.1".equals(formatIpAddress)) {
                    z = true;
                    WifiInfo connectionInfo = MethodDelegate.getConnectionInfo(wifiManager);
                    boolean z2 = connectionInfo == null && (bssid = connectionInfo.getBSSID()) != null && bssid.length() == 17 && "2367abefABEF".contains(bssid.substring(1, 2));
                    if (eo.f()) {
                        eo.a("NetWorkUtils", "mobile hotspot: oppo[" + z + "], google[" + z2 + "]");
                    }
                    return !z || z2;
                }
            }
            z = false;
            WifiInfo connectionInfo2 = MethodDelegate.getConnectionInfo(wifiManager);
            if (connectionInfo2 == null) {
            }
            if (eo.f()) {
            }
            if (z) {
            }
        } catch (Throwable unused) {
            return false;
        }
    }

    @Deprecated
    public static String b() {
        try {
            ConnectivityManager connectivityManager = (ConnectivityManager) fa.a("connectivity");
            NetworkInfo activeNetworkInfo = connectivityManager == null ? null : connectivityManager.getActiveNetworkInfo();
            if (activeNetworkInfo == null) {
                return "UNKNOWN";
            }
            return activeNetworkInfo.getTypeName().toUpperCase() + "[" + activeNetworkInfo.getSubtypeName() + "]";
        } catch (Throwable unused) {
            return "UNKNOWN";
        }
    }

    private int d() {
        int i = this.e;
        int i2 = this.f2027a;
        return i < i2 ? i : i2;
    }

    public final double a(int i) {
        if (i >= 0 && i < d()) {
            double[] dArr = this.f2028b;
            int i2 = this.e;
            int i3 = this.f2027a;
            if (i2 >= i3) {
                i = ((this.f2030d + i) + i3) % i3;
            }
            return dArr[i];
        }
        throw new ArrayIndexOutOfBoundsException("cache max size is " + this.f2027a + ",current size is " + d() + ",index is " + i);
    }

    public final void a(double d2) {
        double d3 = this.f2029c;
        double[] dArr = this.f2028b;
        int i = this.f2030d;
        this.f2029c = d3 - dArr[i];
        this.f2029c += d2;
        dArr[i] = d2;
        this.f2030d = i + 1;
        if (this.f2030d == this.f2027a) {
            this.f2030d = 0;
        }
        int i2 = this.e;
        if (i2 < Integer.MAX_VALUE) {
            this.e = i2 + 1;
        }
    }

    public final void c() {
        this.f2030d = 0;
        this.e = 0;
        this.f2029c = 0.0d;
        Arrays.fill(this.f2028b, 0.0d);
    }
}