format statement in a string resource file

Question

I have strings defined in the usual strings xml Resource file like this    lt string name  hello world  gt  HELLO lt  string gt    Is it possible to define format strings such as the one below   result str   String format  Amount    2f  for  d days     var1  var2     in the strings xml resource file    I tried escaping the special characters but its not working

User · Answer

For me it worked like that in Kotlin  my string xml   lt string name  quot price quot  formatted  quot false quot  gt Price U    2f n lt  string gt   my class kt  var formatPrice  CharSequence    null  var unitPrice   9990  formatPrice   String format context getString R string price   unitPrice 100 0   Log d  quot Double CharSequence quot    quot  formatPrice quot    D Double CharSequence  Price  U  99 90 For an even better result  we can do so   lt string name  quot price to string quot  gt Price U   1 s lt  string gt    var formatPrice  CharSequence    null  var unitPrice   199990  val numberFormat    unitPrice 100 0  toString    formatPrice   String format context getString R string price to string   formatValue numberFormat      fun formatValue value  String   String      val mDecimalFormat   DecimalFormat  quot           0 00 quot       val s1   value toDouble       return mDecimalFormat format s1       Log d  quot Double CharSequence quot    quot  formatPrice quot    D Double CharSequence  Price  U  1 999 90

User · Answer

Quote from Android Docs      If you need to format your strings using String format String    Object      then you can do so by putting your format arguments in the   string resource  For example  with the following resource    lt string name  welcome messages  gt Hello   1 s  You have  2 d new messages  lt  string gt        In this example  the format string has two arguments   1 s is a string   and  2 d is a decimal number  You can format the string with arguments   from your application like this   Resources res   getResources    String text   String format res getString R string welcome messages   username  mailCount

User · Answer

Inside file strings xml define a String resource like this    lt string name  string to format  gt Amount   1 f  for  2 d days 3 s lt  string gt    Inside your code  assume it inherits from Context  simply do the following    String formattedString   getString R string string to format  floatVar  decimalVar  stringVar      In comparison to the answer from LocalPCGuy or Giovanny Farto M  the String format method is not needed

User · Answer

You do not need to use formatted  false  in your XML   You just need to use fully qualified string format markers -   POSITION   TYPE   where  POSITION  is the attribute position and  TYPE  is the variable type   rather than the short versions  for example  s or  d   Quote from Android Docs  String Formatting and Styling     lt string name  welcome messages  gt Hello   1 s  You have  2 d new messages  lt  string gt        In this example  the format string has two arguments   1 s is a   string and  2 d is a decimal integer  You can format the string with   arguments from your application like this   Resources res   getResources    String text   res getString R string welcome messages  username  mailCount

User · Answer

You should add formatted  false  to your string resource    Here is an example  In your strings xml     lt string name  all  formatted  false  gt Amount    2f n  for  d days lt  string gt    In your code   yourTextView setText String format getString R string all   3 12  2

[android] format statement in a string resource file

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