android獲取當前軟件版本號和版本名稱

/**
	 * 獲取本地軟件版本
	 */
	public static int getLocalVersion(Context ctx) {
		int localVersion = 0;
		try {
			PackageInfo packageInfo = ctx.getApplicationContext()
					.getPackageManager()
					.getPackageInfo(ctx.getPackageName(), 0);
			localVersion = packageInfo.versionCode;
			LogUtil.d("TAG", "本軟件的版本。。" + localVersion);
		} catch (NameNotFoundException e) {
			e.printStackTrace();
		}
		return localVersion;
	}

	/**
	 * 獲取本地軟件版本名稱
	 */
	public static String getLocalVersionName(Context ctx) {
		String localVersion = "";
		try {
			PackageInfo packageInfo = ctx.getApplicationContext()
					.getPackageManager()
					.getPackageInfo(ctx.getPackageName(), 0);
			localVersion = packageInfo.versionName;
			LogUtil.d("TAG", "本軟件的版本。。" + localVersion);
		} catch (NameNotFoundException e) {
			e.printStackTrace();
		}
		return localVersion;
	}