efunbox-xyyf-mobile-android/app/src/main/java/com/edufound/mobile/util/DeviceUtil.java

package com.edufound.mobile.util;

import android.app.Activity;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.Build;
import android.telephony.TelephonyManager;
import android.util.DisplayMetrics;

import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.util.Locale;

public class DeviceUtil {

	DisplayMetrics metric = new DisplayMetrics();

	/**
	 * @author zhangmengjie
	 * @return 序列号 SerialNumber
	 */
	public String SerialNumber() {

		return android.os.Build.SERIAL;
	}

	/**
	 * @author zhangmengjie
	 * @return MD5加密自定义SerialNum
	 */
	public String getSerial() {
		String s;
		if (EduFoundUtil.isEmpty(EduFoundUtil.getMacAddress())) {
			s = "35" + Build.BOARD.length() + Build.BRAND.length() + Build.CPU_ABI.length() + Build.DEVICE.length()
					+ Build.DISPLAY.length() + Build.HOST.length() + Build.ID.length() + Build.MANUFACTURER.length()
					+ Build.MODEL.length() + Build.PRODUCT.length() + Build.TAGS.length() + Build.TYPE.length()
					+ Build.USER.length() + EduFoundUtil.getEthernetMac();
		} else {
			s = "35" + Build.BOARD.length() + Build.BRAND.length() + Build.CPU_ABI.length() + Build.DEVICE.length()
					+ Build.DISPLAY.length() + Build.HOST.length() + Build.ID.length() + Build.MANUFACTURER.length()
					+ Build.MODEL.length() + Build.PRODUCT.length() + Build.TAGS.length() + Build.TYPE.length()
					+ Build.USER.length() + EduFoundUtil.getMacAddress();
		}

		return md5Encode(s);
	}

	public int getWidth(Activity context) {
		context.getWindowManager().getDefaultDisplay().getMetrics(metric);
		return metric.widthPixels; // 屏幕宽度（像素）
	}

	public int getHeight(Activity context) {
		context.getWindowManager().getDefaultDisplay().getMetrics(metric);
		return metric.heightPixels; // 屏幕高度（像素）
	}

	public float getDensity(Activity context) {
		context.getWindowManager().getDefaultDisplay().getMetrics(metric);
		return metric.density; // 屏幕密度（0.75 / 1.0 / 1.5）
	}

	public int getDensityDpi(Activity context) {
		context.getWindowManager().getDefaultDisplay().getMetrics(metric);
		return metric.densityDpi; // // 屏幕密度DPI（120 / 160 / 240）
	}

	// md5加密
	public String md5Encode(String inStr) {
		MessageDigest md5 = null;
		try {
			md5 = MessageDigest.getInstance("MD5");
		} catch (Exception e) {
			System.out.println(e.toString());
			e.printStackTrace();
			return "";
		}

		byte[] byteArray = null;
		try {
			byteArray = inStr.getBytes("UTF-8");
		} catch (UnsupportedEncodingException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		byte[] md5Bytes = md5.digest(byteArray);
		StringBuffer hexValue = new StringBuffer();
		for (int i = 0; i < md5Bytes.length; i++) {
			int val = ((int) md5Bytes[i]) & 0xff;
			if (val < 16) {
				hexValue.append("0");
			}
			hexValue.append(Integer.toHexString(val));
		}
		return hexValue.toString();
	}

	/**
	 * @author zhangmengjie
	 * @return VersionCode
	 */
	public String getVersionCode(Context context) {
		PackageManager packageManager = context.getPackageManager();
		PackageInfo packageInfo;
		String versionCode = "";
		try {
			packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
			versionCode = packageInfo.versionCode + "";
		} catch (PackageManager.NameNotFoundException e) {
			e.printStackTrace();
		}
		return versionCode;
	}

	/**
	 * @author zhangmengjie
	 * @return VersionName
	 *
	 */
	public String getVersionName(Context context) {
		PackageManager packageManager = context.getPackageManager();
		PackageInfo packageInfo;
		String versionName = "";
		try {
			packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
			versionName = packageInfo.versionName;
		} catch (PackageManager.NameNotFoundException e) {
			e.printStackTrace();
		}
		return versionName;
	}

	/**
	 * 获取当前手机系统语言。
	 *
	 * @return 返回当前系统语言。例如：当前设置的是“中文-中国”，则返回“zh-CN”
	 */
	public String getSystemLanguage() {
		return Locale.getDefault().getLanguage();
	}

	/**
	 * 获取当前系统上的语言列表(Locale列表)
	 *
	 * @return 语言列表
	 */
	public Locale[] getSystemLanguageList() {
		return Locale.getAvailableLocales();
	}

	/**
	 * 获取当前手机系统版本号
	 *
	 * @return 系统版本号
	 */
	public String getSystemVersion() {
		return android.os.Build.VERSION.RELEASE;
	}

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

	/**
	 * 获取手机厂商
	 *
	 * @return 手机厂商
	 */
	public String getDeviceBrand() {
		return android.os.Build.BRAND;
	}

	/**
	 * 获取手机IMEI(需要“android.permission.READ_PHONE_STATE”权限)
	 * 
	 * @return 手机IMEI
	 */
	public String getIMEI(Context ctx) {
		TelephonyManager tm = (TelephonyManager) ctx.getSystemService(Activity.TELEPHONY_SERVICE);
		if (tm != null) {
			return tm.getDeviceId();
		}
		return null;
	}

}