获取设备信息

public class DeviceUtil {

    /**
     * 是否有网
     * @param context
     * @return
     */
    public static boolean isNetworkConnected(Context context) {
        if (context != null) {
            ConnectivityManager mConnectivityManager = (ConnectivityManager) context
                    .getSystemService(Context.CONNECTIVITY_SERVICE);
            NetworkInfo mNetworkInfo = mConnectivityManager.getActiveNetworkInfo();
            if (mNetworkInfo != null) {
                return mNetworkInfo.isAvailable();
            }
        }
        return false;
    }

    /**
     * 返回版本名字
     * 对应build.gradle中的versionName
     * @param context
     * @return
     */
    public static String getVersionName(Context context) {
        String versionName = "";
        try {
            PackageManager packageManager = context.getPackageManager();
            PackageInfo packInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
            versionName = packInfo.versionName;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return versionName;
    }

    /**
     * 返回版本号
     * 对应build.gradle中的versionCode
     * @param context
     * @return
     */
    public static String getVersionCode(Context context) {
        String versionCode = "";
        try {
            PackageManager packageManager = context.getPackageManager();
            PackageInfo packInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
            versionCode = String.valueOf(packInfo.versionCode);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return versionCode;
    }

    /**
     * 获取手机品牌
     *
     * @return
     */
    public static String getPhoneBrand() {
        return android.os.Build.BRAND;
    }

    /**
     * 获取手机型号
     *
     * @return
     */
    public static String getPhoneModel() {
        return android.os.Build.MODEL;
    }

    /**
     * 获取手机Android 版本（4.4、5.0、5.1 ...）
     * @return
     */
    public static String getBuildVersion() {
        return android.os.Build.VERSION.RELEASE;
    }

    /**
     * 获取AndroidManifest.xml里 的值
     * @param context
     * @param name
     * @return
     */
    public static String getMetaData(Context context, String name) {
        String value = null;
        try {
            ApplicationInfo appInfo = context.getPackageManager().getApplicationInfo(context.getPackageName(), PackageManager.GET_META_DATA);
            value = appInfo.metaData.getString(name);
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
        return value;
    }

    public static String getAndroidId(Context context) {
        String androidId = Settings.Secure.getString(context.getContentResolver(), Settings.Secure.ANDROID_ID);
        return androidId;
    }

    public static String getAndroidSerial() {
        String serialNum = Build.SERIAL;
        return serialNum;
    }

    public static String getAndroidInfo(Context context) {
        return String.format("品牌：%s，型号：%s，版本：%s，Id：%s，序列：%s，Mac：%s",getPhoneBrand(),
                                getPhoneModel(),
                                getBuildVersion(),
                                getAndroidId(context),
                                getAndroidSerial(),
                                DeviceMacUtil.getMacFromHardware(context));
    }
}