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Simple question, but I can’t seem to find a good answer within the Android docs. What exactly does it mean when a view has focus?
More specifically, if using a RadioGroup, can I access the selected child RadioButton by using something like the following?
RadioGroup rg = (RadioGroup) findViewById(radiogroup);
RadioButton activeChild = rg.getFocusedChild();
My thought was that this would not work… so I started to investigate exactly what focus was. But alas, I’ve been unsuccessful.
You want to get the selected child, not the focused child. Focus in Android refers to a mode that’s only used for dpad/trackball selection. You probably want
getCheckedRadioButtonId().