[android] hardcoded string "row three", should use @string resource

It is not good practice to hard code strings into your layout files/ code. You should add them to a string resource file and then reference them from your layout.

  1. This allows you to update every occurrence of the same word in all
    layouts at the same time by just editing your strings.xml file.
  2. It is also extremely useful for supporting multiple languages as a separate strings.xml file can be used for each supported language
  3. the actual point of having the @string system please read over the localization documentation. It allows you to easily locate text in your app and later have it translated.
  4. Strings can be internationalized easily, allowing your application to support multiple languages with a single application package file (APK).

Benefits

  • Lets say you used same string in 10 different locations in the code. What if you decide to alter it? Instead of searching for where all it has been used in the project you just change it once and changes are reflected everywhere in the project.
  • Strings don’t clutter up your application code, leaving it clear and easy to maintain.

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