How to get EditText value to textview at the time of typing without button click in android [closed]

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How to read data from EditText to textview at user input without button click

回答1:

Try using textwatcher on Edittext and update textview using available methods.

TextWatcher textWatcher = 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) {

    }
};

textView.addTextChangedListener(textWatcher);

回答2:

You can add a textwatcher on your edit text, and update your textview from there.

来源：https://stackoverflow.com/questions/48067033/how-to-get-edittext-value-to-textview-at-the-time-of-typing-without-button-click