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multiple addTextChangedListener for multiple edittext


multiple addTextChangedListener for multiple edittext

By : Evgeny Sternin
Date : November 22 2020, 02:42 PM
wish help you to fix your issue Your code suggests you are creating a recursive loop, whereby changing the text in editTextA changes the text in editTextB, which then changes the text in editTextA, and so on ad infinitum. This eventually result in an out of memory error.
code :
ditTextA.addTextChangedListener(new TextWatcher() {
    //...
    @Override
    public void onTextChanged(CharSequence s, int start, int before, int count) {
        //...
        editTextB.setText(String.format("%.3f", resultb));
    }
//...

editTextB.addTextChangedListener(new TextWatcher() {
    //...
    @Override
    public void onTextChanged(CharSequence s, int start, int before, int count) {
        //...
        editTextA.setText(String.format("%.3f", resulta);
    //...


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Android: can't have two addTextChangedListener for two EditText?

Android: can't have two addTextChangedListener for two EditText?


By : Iram
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , You are probably getting a stack overflow (ironic isn't it)?
The problem is that when input_a gets focus, you are adding a TextChangedListener and in that listener you set the contents for input_b. This works just fine.
addTextChangedListener() fired multiple times and for all edittext fields in listview

addTextChangedListener() fired multiple times and for all edittext fields in listview


By : Hassan Jawaid
Date : March 29 2020, 07:55 AM
this will help zgc7009 is right in that you are not approaching the getView method correctly. Although you aren't wrong with how you are inflating the view. The problem I suspect is that there is no guarantee how many times getView is called there is an arbitrary number of TextWatcher listeners being added to the EditText. At first I thought you could only add one TextWatcher listener to an EditText, but as it turns out you can add many. This is the source for the addTextChangedListener method:
code :
public void addTextChangedListener(TextWatcher watcher) {
    if (mListeners == null) {
        mListeners = new ArrayList<TextWatcher>();
    }
    mListeners.add(watcher);
}
if(currentListData.hasListener) { // Just an example. You define the logic or how you want to store the TextWatcher listener
    userAnswer.addTextChangedListener(new TextWatcher() {
        //le code
    }
}
  if (convertView == null) {

        LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        convertView = inflater.inflate(R.layout.list_item, parent, false);
        EditText userAnswer = (EditText) convertView.findViewById(R.id.userAnswer);
        userAnswer.addTextChangedListener(new TextWatcher() {
            //le code
            @Override
            public void afterTextChanged(Editable s) {
                //Figure out the best way to get the current position.
            }
        }
    }
RecyclerView .addTextChangedListener gives multiple positions

RecyclerView .addTextChangedListener gives multiple positions


By : user2305158
Date : March 29 2020, 07:55 AM
hope this fix your issue This is happening because you're adding a new TextWatcher everytime your ViewHolder is binded with the view. The RecyclerView is correctly recycling the ViewHolders, so when it uses an already created one, it just adds a new TextWatcher.
You can modify the way you're using this, by registering the TextWatcher when you create the ViewHolder, so you won't have to deal with continuos listener bindings. So, in your ViewHolder constructor, after you bind your EditText, you can add the TextWatcher, like this:
code :
this.etName = root.findViewById(R.id.yourEtID); // I'm sure you're doing something very similar to this in your VH's constructor
this.etName.addTextChangedListener(new TextWatcher() {
        @Override
        public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {

       }
        @Override
        public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
        }
        @Override
        public void afterTextChanged(Editable editable) {
            System.out.println(etName.getTag());
        }
    });
@Override
public void onBindViewHolder(MyViewHolder holder, final int position) {
    holder.etName.setTag(position);
}
Android EditText and addTextChangedListener

Android EditText and addTextChangedListener


By : Zachary J Burg
Date : March 29 2020, 07:55 AM
I hope this helps you . Why are getting the EditText instance this way. It's part of your activity layout so you should get it something like this
EditText addTextChangedListener is not effecting when i used setOnTouchListener with the same editText?

EditText addTextChangedListener is not effecting when i used setOnTouchListener with the same editText?


By : Magesh Arul
Date : March 29 2020, 07:55 AM
I wish this helpful for you i want to use Edit Text to input Date from user. So i used setOnTouchListener , like below
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