Algorithm_NL Algorithm_NL - 1 year ago 182
Android Question

Alternative for String.join in Android?

I want to concatenate an ArrayList with commas as separators. I found this answer, stating it's possible to use

in Java.

When I try to use this however, Android Studio gives the following error:

Cannot resolve method 'join(java.lang.String, java.lang.String,
java.lang.String, java.lang.String)'

Is there a good, concise alternative for Android Studio (instead of using a for loop)?

Answer Source

You can use TextUtils.join instead:

String result = TextUtils.join(", ", list);

(String.join was added in Java 8, which is why you can't use it in Android.)

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