Android工具類系列-AppUtil

原文地址：
http://blog.csdn.net/lmj623565791/article/details/38965311

獲取app名稱，程序版本信息

package org.yxm.android.utils;

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

/**
 * Created by yxm on 16-6-23.
 */
public class AppUtil {

    private AppUtil() {
        throw new UnsupportedOperationException("cannot be instantiated");
    }

    /**
     * 獲取應用程序名稱
     */
    public static String getAppName(Context context) {
        try {
            PackageManager packageManager = context.getPackageManager();
            PackageInfo packageInfo = packageManager.getPackageInfo(
                    context.getPackageName(), 0);
            int labelRes = packageInfo.applicationInfo.labelRes;
            return context.getResources().getString(labelRes);
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * [獲取應用程序版本名稱信息]
     *
     * @param context
     * @return 當前應用的版本名稱
     */
    public static String getVersionName(Context context) {
        try {
            PackageManager packageManager = context.getPackageManager();
            PackageInfo packageInfo = packageManager.getPackageInfo(
                    context.getPackageName(), 0);
            return packageInfo.versionName;

        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
        return null;
    }

}