CODEWITHSUNDEEP
androidlistenerandroid-edittextandroid-checkbox
mXX
mXX

Reputation: 3625

Enable/disable checkbox depended on the given value in an EditText

I have an EditText and a CheckBox. The EditText has an inputStyle numbers only. When entering a value of 0 in the EditText, I'd like that the CheckBox becomes disabled. But if the entered value is greater than 0, then the CheckBox should be enabled. The checks should be done on the fly, so while typing and after every character input the check should be done. I came across afterTextChanged, but I can't get it to work, can someone help me out here?

public class AddBuilding extends Activity implements TextWatcher {


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.building);

       myEditText.addTextChangedListener(new TextWatcher() {

        @Override
        public void afterTextChanged(Editable s) {
            if (Integer.parseInt(myEditText.getText().toString()) < 0)
                myCheckBox.setEnabled(false);
            else
                myCheckBox.setEnabled(true);

        }

        @Override
        public void beforeTextChanged(CharSequence s, int start, int count,
                int after) {
            // TODO Auto-generated method stub

        }

        @Override
        public void onTextChanged(CharSequence s, int start, int before,
                int count) {
            // TODO Auto-generated method stub

        }
    });

Upvotes: 0

Views: 734

Answers (2)

Lingviston
Lingviston

Reputation: 5671

Try to use not myEditText.getText().toString() but s.toString()

Upvotes: 2

Philip Sheard
Philip Sheard

Reputation: 5825

If your afterTextChanged method is really inside your onCreate method as shown, then it has the wrong scope, and it will never get called.

Upvotes: 0

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