Concatenate string and integer in string.xml

Question

I am trying to concatenate string and integer in string.xml like below...

<integer name="min_length">10</integer>
<string name="error">Enter minimum @integer/min_length chars</string>

So that the value of getString(R.string.error) could be "Enter minimum 10 chars". But getting error, please help!

I know the solution via run time. But I need the way what I mentioned. Thanks. — Shankar Prasad
– Shankar Prasad, Commented Jan 11, 2016 at 13:57

OneCricketeer · Accepted Answer · 2016-01-11 17:04:47Z

6

From the link Shree posted

XML

<string name="error">Enter minimum %1$d chars</string>

Java

int min_length = 10;
Resources res = getResources();
String text = String.format(res.getString(R.string.error), min_length);

answered Jan 11, 2016 at 17:04

OneCricketeer

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Krishna Satwaji Khandagale · Accepted Answer · 2016-01-11 18:05:33Z

1

You can not concatenate strings or integer and strings in xml. You can do refer to another string or integer in one string or integer tag respectively in xml , but only one. Like:

 <integer name="min_length">10</integer>

<integer name="min">@integer/min_length</integer>

You can refer integer inside integer and string inside string .

If you try to do what you mentioned above android studio , you will be thrown away with error.

edited Jan 11, 2016 at 18:05

answered Jan 11, 2016 at 18:00

Krishna Satwaji Khandagale

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Shree Krishna · Accepted Answer · 2016-01-11 17:00:43Z

1

A quick solution for your question!

Write your Integer and String like

<integer name="min_length">10</integer>
<string name="error">Enter minimum min_length chars</string>

And Concat them like

String string = 
getString(R.string.error).replace("min_length",
 String.valueOf(getResources().getInteger(R.integer.min_length)))

In Android you can't concatenate Strings inside xml without any logical codes like you have shown

See more at formatting and styling String resources

edited Jan 11, 2016 at 17:00

answered Jan 11, 2016 at 14:03

Shree Krishna

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Comments

Fadli · Accepted Answer · 2016-09-22 13:58:09Z

1

You can do this now using DataBinding.

<TextView android:text='@{"Enter minimum " + @string/min_length)}' />

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