Disable button if edit text field is empty. Can't get it to working

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check if edittext is empty

Currently I am learning to code and came across one problem. I need my upload button to be disabled untill Edit Text field is somekind of symbol than default hint Full code

    private TextWatcher EmptyEdit = new TextWatcher() {
    @Override
    public void beforeTextChanged(CharSequence s, int start, int count, int after) {

    }

    @Override
    public void onTextChanged(CharSequence s, int start, int before, int count) {
        if (s.toString().trim().length()==0)
        {
            mUpload.setEnabled(false);
        } else {
            mUpload.setEnabled(true);
        }
    }

    @Override
    public void afterTextChanged(Editable s) {

    }
};

Add your code in afterTextChanged() instead of onTextChanged().

 private TextWatcher EmptyEdit = new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {

            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {

            }

            @Override
            public void afterTextChanged(Editable s) {
                if (s.toString().trim().length()==0)
                {
                    mUpload.setEnabled(false);
                } else {
                    mUpload.setEnabled(true);
                }
            }
        };

Disable Button when Edit Text Fields empty, This example demonstrates how do I check if android editText is empty. Toast; public class MainActivity extends AppCompatActivity { EditText editText; Button button; makeText(MainActivity.this, "Empty field not allowed! I have two text fields and a Button. I want to disable the Button unless both EditText-Fields are not empty. I tried many solutions here at stackoverflow, but they don't work. Here is my code: imp

Do your code inside afterTextChanged().

@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {

}

@Override
public void afterTextChanged(Editable s) {
    mUpload.setEnabled(!TextUtils.isEmpty(s.toString().trim()))
}

// don't forget to set listner
editText.addTextChangedListener(EmptyEdit);

Disable Button When EditText Is Empty (TextWatcher , How to do this ? Disable Button when Edit Text Fields empty, an EditText field. This way we can for example enable/disable a button depending if there  I have two fields in an app in an EditGallery Field1 Field2 When I enter into the form, I set the Disabled Property on Field2 to IsEmpty(Field1) When I update Field1 so it is not empty, I want Field2 to become enabled (ie, set Field2 Disabled property to false). I thought I could do with thi

    yourEditText.addTextChangedListener(new TextWatcher() {
    @Override
    public void beforeTextChanged(CharSequence s, int start, int count, int after) {

    }

    @Override
    public void onTextChanged(CharSequence s, int start, int before, int count) {

    }

    @Override
    public void afterTextChanged(Editable s) {

     //Disable your button in here

    }
});

How to check if android editText is empty?, of disabling a button until text/string are entered in 2 fields. I can post this code, however it's not important here. TextField("enter user name", text: $username, onEditingChanged: { (changed) in; print("editing Here's an example that disables the button if either the username or password is empty:. In this video we will learn how to use the TextWatcher's onTextChanged method to listen for input changes in an EditText field. This way we can for example enable/disable a button depending if

How to disable Button if EditText is empty ?, Text) ,Disabled, Edit). If all the fields are empty then the button is disabled. But as soon as text is entered into 1 of the fields, the button is enabled Can anyone advise where i have gone wrong in my If statement please? Re: Disable button when text field is empty PhHein Sep 3, 2003 7:23 AM ( in response to 807543 ) Add a DocumentListener to the textfield and on updates you check the text in it and enable or disable the button.

TextWatcher Enable/Disable Button, I can get this work initially when the text box is empty. com/edit/angular-ym1rda?​file How do I disable onClick event for input button. Demo source Button  How to find that EditText is full empty or contain any values inside it programmatically on button click. Empty data insertion is one of the most big problems in online registration word because sometimes application user just to check our app is working properly or not they trying to send empty data to server but after putting empty condition on EditText app user is compulsory bound to enter some values inside EditText.

SwiftUI, So on the OnSelect of the button use UpdateContext ({DisplayMode : DisplayMode.Disabled}) (or sometihng like that) and then put that variable in this exanple 'DisplayMode' in DisplayMode advanced setting on the button properties - this should work fine.

Comments
  • Hope you are setting the watcher on mUpload.
  • Yes, I tryed that. Probably I am putting my function at the wrong place
  • No but as I said most likely I am writting at wrong place
  • Yep, I wrote it at wrong place. Thank you for your time