setTextFilterEnabled(true) : not working

I have a listview application. When I run the application, setTextFilterEnabled() is working because there is a keyboard. I installed this application into a real Android phon开发者_如何学运维e. setTextFilterEnabled() is not working because of no keyboard. How it will work? The phone contains only four buttons and no keybord. How this is possble?

Or what should I do?

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Try holding down the menu button. This brings up the virtual keyboard. If that works, you can give your users a hint (for example, using a Toast) that they can do that. Or, you can provide a button somewhere that pops open the virtual keyboard (have a look at InputMethodManager).