VersionUtil.java

package com.example.administrator.cookman.utils;

import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;

import com.example.administrator.cookman.R;

/**
 * Created by Administrator on 2017/3/29.
 */

public class VersionUtil {

    /**
     * 获取版本号
     *
     * @return 当前应用的版本号
     */

    public static String getVersion(Context context) {
        try {
            PackageManager manager = context.getPackageManager();
            PackageInfo info = manager.getPackageInfo(context.getPackageName(), 0);
            return info.versionName;
        } catch (Exception e) {
            e.printStackTrace();
            return context.getString(R.string.can_not_find_version_name);
        }
    }

    /**
     * @return 版本号
     */
    public static int getVersionCode(Context context) {
        try {
            PackageManager manager = context.getPackageManager();
            PackageInfo info = manager.getPackageInfo(context.getPackageName(), 0);
            return info.versionCode;
        } catch (Exception e) {
            e.printStackTrace();
            return 0;
        }
    }

}