Android 应用程序获得版本号

	/**
	 * Retrieves application's version number from the manifest
	 * 
	 * @return
	 */
	public String getVersion(){
		String version = "0.0.0";
		
		PackageManager packageManager = getPackageManager();
		try {
			PackageInfo packageInfo = packageManager.getPackageInfo(getPackageName(), 0);
			version = packageInfo.versionName;
		} catch (NameNotFoundException e) {
			e.printStackTrace();
		}
		
		return version;
	}

 

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1 楼 zhaoyu_h 2011-05-26