Android - String.format - MissingFormatArgumentException and InvocationTargetException

Question

I have the following code-block -

strBody = String.format(getString(R.string.some_string,
                                    strPropertyName,
                                    "some string"
                                                        )
                                              );

while R.string.some_string is of this form -

some words \'%1$s\' more words. %2$s

but i get the following exception on some devices -

Caused by: java.lang.reflect.InvocationTargetException
1   java.lang.reflect.Method.invokeNative   
2   java.lang.reflect.Method.invoke Method.java, line 515
3   android.view.View$1.onClick View.java, line 3949
... 11 more
Caused by: java.util.MissingFormatArgumentException: Format specifier: d
1   java.util.Formatter.getArgument Formatter.java, line 1111
2   java.util.Formatter.doFormat    Formatter.java, line 1076
3   java.util.Formatter.format  Formatter.java, line 1042
4   java.util.Formatter.format  Formatter.java, line 1011
5   java.lang.String.format

You are missing format specifier String.format("%s",your string); — Jibran Khan
– Jibran Khan, Commented May 11, 2015 at 11:26

Blackbelt · Accepted Answer · 2015-05-11 11:25:08Z

3

it should be either

 strBody = String.format(getString(R.string.some_string), 
              strPropertyName, item.getString(ObjKombiItem.FIELD_PERMALINK));

or

 strBody = getString(R.string.some_string, 
                  strPropertyName, item.getString(ObjKombiItem.FIELD_PERMALINK));

the first version uses String.format to apply the parameter to the String referenced by R.string.some_string. The second version does the same thing, but use directly getString(int resId, Object...objs). What you are missing, in your case, is a bracket before the first comma:

getString(R.string.some_string,

should be

getString(R.string.some_string),

answered May 11, 2015 at 11:25

Blackbelt

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1 Comment

Sayed Jalil Hassan Over a year ago

Thanks. I wonder why was it working on testing devices. I was getting properly formatted string. However, android studio was raising a warning.

Jibran Khan · Accepted Answer · 2015-05-11 11:36:46Z

1

Here is how your string values can be formatted

    String result = String.format("%s %s %s", getString(R.string.some_string),
                    strPropertyName, "some string");

answered May 11, 2015 at 11:36

Jibran Khan

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1 Comment

Sayed Jalil Hassan Over a year ago

I have already specified the format in the string resource. but thanks for the answer

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