獲取應用的versioncode和versionname

/**
* 獲取應用的versioncode
*/
public static int getVersionCode() {
        int versionCode = 0;
        try {
            versionCode = BaseApplication
                    .context()
                    .getPackageManager()
                    .getPackageInfo(BaseApplication.context().getPackageName(),
                            0).versionCode;
        } catch (PackageManager.NameNotFoundException ex) {
            versionCode = 0;
        }
        return versionCode;
    }
/**
* 獲取應用的versionname
*/
    public static String getVersionName() {
        String name = "";
        try {
            name = BaseApplication
                    .context()
                    .getPackageManager()
                    .getPackageInfo(BaseApplication.context().getPackageName(),
                            0).versionName;
        } catch (PackageManager.NameNotFoundException ex) {
            name = "";
        }
        return name;
    }