SystemUtil.java

/*
 * Copyright 2016 Freelander
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.jun.elephant.util;

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

/**
 * 获取系统信息工具类
 * Created by Jun on 2016/4/21.
 */
public class SystemUtil {
    /**
     * 获取当前应用的版本号
     */
    public static String getVersionName(Context context) {
        try {
            PackageManager packageManager = context.getPackageManager();
            PackageInfo packInfo = packageManager.getPackageInfo(context.getPackageName(),0);
            String version = packInfo.versionName;
            if (!TextUtils.isEmpty(version)) {
                return version;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return "";
    }
}