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Asked: 2026-06-07T03:44:44+00:00

i have an EditText, and for every lettle the user type in this editText

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i have an EditText, and for every lettle the user type in this editText i want to apply a function on the whole text in EditText, that function is because i am writing in arabic and the arabic lettle appears not good ,but when i use Farsi class it becomes good, i will give you a simple example if the user wants to type 21, i want to apply function output=3*editText.getText();
so when he type 1 i will apply the function so the resutls that will appear on editText is:

output = 3*1 = 3

and when he type 2, i want to to display 12*3 = 36

edit 

06-30 12:30:38.547: E/AndroidRuntime(276): FATAL EXCEPTION: main
06-30 12:30:38.547: E/AndroidRuntime(276): java.lang.StackOverflowError
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.text.DynamicLayout.reflow(DynamicLayout.java:261)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.text.DynamicLayout.<init>(DynamicLayout.java:150)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.makeNewLayout(TextView.java:4851)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.checkForRelayout(TextView.java:5348)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2688)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2556)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.EditText.setText(EditText.java:75)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2531)
06-30 12:30:38.547: E/AndroidRuntime(276):  at com.localizedbasedcompetition.AnswerQuestion$3.onTextChanged(AnswerQuestion.java:149)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.sendOnTextChanged(TextView.java:6131)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2691)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2556)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.EditText.setText(EditText.java:75)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2531)
06-30 12:30:38.547: E/AndroidRuntime(276):  at com.localizedbasedcompetition.AnswerQuestion$3.onTextChanged(AnswerQuestion.java:149)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.sendOnTextChanged(TextView.java:6131)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2691)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2556)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.EditText.setText(EditText.java:75)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2531)
06-30 12:30:38.547: E/AndroidRuntime(276):  at com.localizedbasedcompetition.AnswerQuestion$3.onTextChanged(AnswerQuestion.java:149)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.sendOnTextChanged(TextView.java:6131)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2691)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2556)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.EditText.setText(EditText.java:75)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2531)
06-30 12:30:38.547: E/AndroidRuntime(276):  at com.localizedbasedcompetition.AnswerQuestion$3.onTextChanged(AnswerQuestion.java:149)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.sendOnTextChanged(TextView.java:6131)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2691)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2556)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.EditText.setText(EditText.java:75)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2531)
06-30 12:30:38.547: E/AndroidRuntime(276):  at com.localizedbasedcompetition.AnswerQuestion$3.onTextChanged(AnswerQuestion.java:149)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.sendOnTextChanged(TextView.java:6131)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2691)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2556)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.EditText.setText(EditText.java:75)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2531)
06-30 12:30:38.547: E/AndroidRuntime(276):  at com.localizedbasedcompetition.AnswerQuestion$3.onTextChanged(AnswerQuestion.java:149)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.sendOnTextChanged(TextView.java:6131)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2691)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2556)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.EditText.setText(EditText.java:75)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2531)
06-30 12:30:38.547: E/AndroidRuntime(276):  at com.localizedbasedcompetition.AnswerQuestion$3.onTextChanged(AnswerQuestion.java:149)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.sendOnTextChanged(TextView.java:6131)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2691)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2556)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.EditText.setText(EditText.java:75)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2531)
06-30 12:30:38.547: E/AndroidRuntime(276):  at com.localizedbasedcompetition.AnswerQuestion$3.onTextChanged(AnswerQuestion.java:149)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.sendOnTextChanged(TextView.java:6131)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2691)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2556)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.EditText.setText(EditText.java:75)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2531)
06-30 12:30:38.547: E/AndroidRuntime(276):  at com.localizedbasedcompetition.AnswerQuestion$3.onTextChanged(AnswerQuestion.java:149)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.sendOnTextChanged(TextView.java:6131)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2691)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2556)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.EditText.setText(EditText.java:75)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.setText(TextView.java:2531)
06-30 12:30:38.547: E/AndroidRuntime(276):  at com.localizedbasedcompetition.AnswerQuestion$3.onTextChanged(AnswerQuestion.java:149)
06-30 12:30:38.547: E/AndroidRuntime(276):  at android.widget.TextView.sendOnTextChang
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1 Answer

  1. Editorial Team
    fileNameEditText.setOnKeyListener(new View.OnKeyListener() {
    @Override
    public boolean onKey(View v, int keyCode, KeyEvent event) {
        // TODO Auto-generated method stub
        return false;
    }
});

    set a key listner for your view.

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