Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Copyright 2014-2015 ieclipse.cn.
 *
 * 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
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.
 */

import android.content.Context;

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

public class Main {
    /**
     * Get app version info.
     * 
     * @param context
     * @return
     */
    public static String getAppVersion(Context context) {
        PackageInfo packInfo = getPackageInfo(context);
        if (packInfo != null) {
            return packInfo.versionName;
        }
        return null;
    }

    public static PackageInfo getPackageInfo(Context context) {
        // Get packagemanager
        PackageManager packageManager = context.getPackageManager();
        // 0 means get version info
        PackageInfo packInfo = null;
        try {
            packInfo = packageManager.getPackageInfo(context.getPackageName(), 0);

        } catch (NameNotFoundException e) {
            // mLogger.w("get version failed");
        }
        return packInfo;
    }
}