MyActivity.java

mRadioGroup = (RadioGroup) findViewById(R.id.radioGroup);
        
mRadioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener(){
    @Override
    public void onCheckedChanged(RadioGroup group, int checkedId)
    {
        if(checkedId == R.id.radioButtonAll)
        {
            mPlacesListView.setAdapter(new KFPlaceAdapter(mActivity, allPlaces));
        }
        else if(checkedId == R.id.radioButtonTop)
        {
            mPlacesListView.setAdapter(new KFPlaceAdapter(mActivity, topPlaces));
        }
    }
});