Format string XXX is not a valid format string so it should not be passed to String.format

I have android app and this string in resources:

<string name="create_group_select_people">Select up to %1$d people!</string>

This is called from fragment:

Integer countMax = 5; //also tried just "int" - nothing changed
getResources().getString(R.string.create_group_select_people, countMax);

but I got error:

Format string 'create_group_select_people' is not a valid format string so it should not be passed to String.format

I can't understand what is wrong? When I launch app - it shows me literally "Select up to %1$d people!"

I just copied the code and it works well. so you may need to check some other place,Here are my suggestions.

  1. clean project
  2. check multi-language files
  3. or just use String.format just like others said

Advanced C++: Master the technique of confidently writing robust , Format string XXX is not a valid format string so it should not be passed to String.​format. 똘켓. 2019. 3. 15. 19:26 댓글수0 공감수0. Caused by java.util. Notify("The string format you typed is not valid, the correct format shoule be 12-123-123-1234-12345 or 12345-123-1234-12-12345",NotificationType.Error);Reset(TextInput1)) Please check the following GIF screenshot for more details: Note: You should type xx-xxx-xxx-xxxx-xxxxx string value or xxxxx-xxx-xxxx-xx-xxxxx string value within the Text

Set parameter formatted to true in resources:

<string name="some_text" formatted="true">
    Use for String.format method. Parameter one: %s1
</string>

and use this way:

String.format(context.getString(R.string.some_text,"value 1"))

or this way:

context.getString(R.string.some_text,"value 1"))

Note:formatted flag should be set to true only for strings with placeholders

Practical Dojo Projects, Different valid parameters are passed in the configuration file, for example, product executable name, version number, database connectivity information, IP address to connect to the server, and so The string should contain no more than 16 characters • The string should be XXX format, where X must be a digit from 0-9. The formatted input functions (fscanf() and related functions) use similarly specified format strings and impose similar restrictions on their format strings and arguments. Do not supply an unknown or invalid conversion specification or an invalid combination of flag character, precision, length modifier, or conversion specifier to a formatted

Try File -> Invalidate Caches / Restart..., it fixed the problem for me.

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For the sake of others who might find this thread, one possible cause of this warning is that you have multiple languages defined in string resource files and you did not specify format arguments in one or more of them.

For example, if you have a strings.xml in your values folder, and another strings.xml in your values-es folder, but you only added format arguments to the strings.xml in your values folder, then the warning will be triggered because of the lack of format arguments in the string resource of strings.xml in your values-es folder.

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You need String formatter. Please change below code from

 getResources().getString(R.string.create_group_select_people, countMax);

to

String temp =  String.format(getResources().getString(R.string.create_group_select_people), countMax);

For more detail information refer

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String, Warning: These function do not work with UTF-8 strings. See. Poco::UTF8 for Poco::NumberFormatter provides static methods to format numbers into strings. Used as a prefix for a GVariant type string (not a prefix for a format string, so &s is a valid format string but &@s is not). Denotes that a C pointer to serialised data should be used in place of the normal C type. See Pointers below. ^ Used as a prefix on some specific types of format strings.

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If not a valid month, returns 0 ]] local function get_month_number (month) return The question of what to do with invalid date formats is not answered here. whole date elseif 0 ~= input.month then date = string.format ('%s-%.2d', input.year​, date format to see that it is one of the formats approved by WP:DATESNO or  Excel 2016 VBA String Format Function Is Not Available I have recently purchased Office and the Excel 2016 VBA doesn't recognize the Format function for formatting strings in the VBA code. Does anyone know what to use in place of this or if this can be corrected such that it recognizes the Format function in the VBA code?

Comments
  • any name collisions with 'create_group_select_people'? the string looks legit
  • Borys, no name collisions in project
  • yeah, I guessed something is wrong with the IDE. glad it worked for you
  • By the way you will get the same error message if you use <xliff:g> (tag using for translation strings) in the string
  • clean project did not helped, there're no multi-language files in project, String.format gives same error, but Invalidate Caches and restart worked, somehow error disappeared and it works ok now
  • Clean build worked for me. Why does this work do you know? What went wrong in the first instance.
  • Number 2 did it for me. At first I thought there was a problem with lint because I was seeing the same warning three times, but it turns out it was one for each of the languages were the string wasn't formatted correctly
  • I'm not sure about others but for me, there is an issue with the percentage(%) symbol may be it is related to Unicode. There should be a small symbol (compart.com/en/unicode/U+FE6A) not the big symbol(compart.com/en/unicode/U+0025). Hope this helps :)