Question

I have an EditText and a Spinner. Initially the Spinner is Disabled, I want it to get enabled whenever there is some text in the EditText, For Example if i type something into the EditText Field it should get enabled and as i erase the text till there is nothing else the Spinner should go back to disabled, Any Help?

Answer 1

Use a TextWatcher on the EditText field and check the contents of the CharSequence against "". If they’re equal, disable the Spinner, otherwise enable it.

private Spinner mySpinner; // Of course, this has to be defined somewhere

// ...

final EditText editBox = (EditText) findViewById(<your EditText field>);
editBox.addTextChangedListener(new TextWatcher() {
    public void afterTextChanged(Editable s) {
        // Nothing
    }

    public void beforeTextChanged(CharSequence s, int start, int count, int after) {
        // Nothing
    }

    public void onTextChanged(CharSequence s, int start, int before, int count) {
        if (s.toString().equals("")) {
            mySpinner.setEnabled(false);
        } else {
            mySpinner.setEnabled(true);
        }
    }
});

You may also want to check mySpinner.isEnabled() before calling setEnabled(...) on it.