DeviceUtils是一個裝置相關工具類

功能:

1.判斷裝置是否root

2.獲取裝置系統版本號

3.獲取裝置AndroidID

4.獲取裝置MAC地址

package com.blankj.utilcode.utils;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.Intent;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Build;
import android.os.PowerManager;
import android.provider.Settings;

import java.io.File;
import java.net.NetworkInterface;
import java.util.Collections;
import java.util.List;

/**
 * <pre>
 *     author: Blankj
 *     blog  : http://blankj.com
 *     time  : 2016/8/1
 *     desc  : 裝置相關工具類
 * </pre>
 */
public class DeviceUtils {

    private DeviceUtils() {
        throw new UnsupportedOperationException("u can't instantiate me...");
    }

    /**
     * 判斷裝置是否root
     *
     * @return the boolean{@code true}: 是<br>{@code false}: 否
     */
    public static boolean isDeviceRoot() {
        String su = "su";
        String[] locations = {"/system/bin/", "/system/xbin/", "/sbin/", "/system/sd/xbin/", "/system/bin/failsafe/",
                "/data/local/xbin/", "/data/local/bin/", "/data/local/"};
        for (String location : locations) {
            if (new File(location + su).exists()) {
                return true;
            }
        }
        return false;
    }

    /**
     * 獲取裝置系統版本號
     *
     * @return 裝置系統版本號
     */
    public static int getSDKVersion() {
        return android.os.Build.VERSION.SDK_INT;
    }


    /**
     * 獲取裝置AndroidID
     *
     * @param context 上下文
     * @return AndroidID
     */
    @SuppressLint("HardwareIds")
    public static String getAndroidID(Context context) {
        return Settings.Secure.getString(context.getContentResolver(), Settings.Secure.ANDROID_ID);
    }

    /**
     * 獲取裝置MAC地址
     * <p>需新增許可權 {@code <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>}</p>
     * <p>需新增許可權 {@code <uses-permission android:name="android.permission.INTERNET"/>}</p>
     *
     * @param context 上下文
     * @return MAC地址
     */
    public static String getMacAddress(Context context) {
        String macAddress = getMacAddressByWifiInfo(context);
        if (!"02:00:00:00:00:00".equals(macAddress)) {
            return macAddress;
        }
        macAddress = getMacAddressByNetworkInterface();
        if (!"02:00:00:00:00:00".equals(macAddress)) {
            return macAddress;
        }
        macAddress = getMacAddressByFile();
        if (!"02:00:00:00:00:00".equals(macAddress)) {
            return macAddress;
        }
        return "please open wifi";
    }