Localizing an open source iOS app using Xcode. Using NSLocalizedString but localized text not showing up

Using Swift
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1

Hi all,

Asking for help here and any suggestions and edit welcomed!

We are doing a project,trying to localized this open source iOS app here: Tic-Tac-Toe
Here are the questions/challenges we encounter:

-------------Using Xcode to build the project---------------

  1. We are trying to find the localizable strings inside the file. Is there any quick way to find all the translatable text all at once? I managed to find the text in "GameScene.swift":

    finding_Translateble_Text
    finding_Translateble_Text780×1620 45.8 KB

  2. Followed the instruction in these two posts:
    ios-localization-tutorial
    iphone_app_localization
    created the Localizable.strings files for the base and another locale (in my case, I used zh-Hans)

  3. What I put inside each Localiable.strings file:

"Newborn" = "Newborn";

"Toddler" = "Toddler";

"Dummy" = "Dummy";

"Pupil" = "Pupil";

"Student" = "Student";

"B.S." = "B.S.";

"M.S." = "M.S.";

"PhD" = "PhD";

"Nikola Tesla" = "Nikola Tesla";

"UFO" = "UFO";

This is what I added for the base strings file.

"Newborn" = "新生儿";

"Toddler" = "幼儿";

"Dummy" = "小孩";

"Pupil" = "小学生";

"Student" = "中学生";

"B.S." = "大学生";

"M.S." = "硕士生";

"PhD" = "博士生";

"Nikola Tesla" = "尼古拉·特斯拉";

"UFO" = "外星人";

This is for zh-Hans strings file.

  1. Editing the source code where the translatable text occurs:
    The former source code is like this:

     enum DifficultyLevel: String {
 case one = "Newborn"
 case two = "Toddler"
 case three = "Dummy"
 case four = "Pupil"
 case five = "Student"
 case six = "B.S."
 case seven = "M.S."
 case eight = "PhD"
 case nine = "Nikola Tesla"
 case ufo = "UFO"}

Since it's not just simple text, instead, its inside an enum function, I did some google search in order to make it work.
---I changed it to the following based on some StackOverflow posts---
enum DifficultyLevel: String {

case one = "Newborn"

case two = "Toddler"

case three = "Dummy"

case four = "Pupil"

case five = "Student"

case six = "B.S."

case seven = "M.S."

case eight = "PhD"

case nine = "Nikola Tesla"

case ufo = "UFO"

func localizedString() -> String {

return NSLocalizedString( self.rawValue, comment: "")

}

static func getLevelFor(levelChoice:DifficultyLevel) -> String {

return levelChoice.localizedString()
      }
}

However, after doing this, and change the phone's language (in simulator), it still didn't show up....
Any help? Thanks a lot !!!

2 
public func NSLocalizedString(_ key: String, tableName: String? = nil, bundle: Bundle = Bundle.main, value: String = "", comment: String) -> String

If you didn't pass tableName, it means your localizable strings should be putted into Localizable.strings. You said Localiable.strings, then it will be

NSLocalizedString("Newborn", tableName: "Localiable")
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