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Editorial Team
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Asked: 2026-06-04T03:20:48+00:00

I have currently a Preference in my application where the user is prompted to

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I have currently a Preference in my application where the user is prompted to enter between 2 and 10 numerical values.

As this feature is only available for power users and beta testers, not for public release, I decided to let them enter a CSV value.

So, in my EditTextPreference, some users will enter: “1;20;30”, some other will enter “1;10;10;10;10;10;10;10” etc…

After, in my code, I am just splitting these values to build an array and execute my code.
I have to admit that’s not very professional, but that just works!

String[] patternString = PreferenceManager.getDefaultSharedPreferences(getBaseContext()).getString("vibPattern", "0;500;500;500;500;500;500;500").split(";");

The main issue is that I would like to check the validity of the String while the user is writing it!

Does some of you have an idea how to achieve that?

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1 Answer

  1. Editorial Team

    you need to use “addTextChangedListener” and act according to the text that was , well, changed…

    if you wish, you can use regular expressions in order to check for validity .

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