获取当前应用版本号

/** * 获取版本号 *  * @return 当前应用的版本号 */public static String getVersion() {try {PackageManager manager = App.getContext().getPackageManager();PackageInfo info = manager.getPackageInfo(App.getContext().getPackageName(), 0);String version = info.versionName;return version;} catch (Exception e) {e.printStackTrace();return "0";}}