EditText of inputType = "true" now shows ... how to display ***

More anxious , seeking expert help ah
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can customize as * , the disadvantage is the input characters are displayed directly as * , rather than show the original characters over one second after the change * .

editText.setTransformationMethod(new AsteriskPasswordTransformationMethod());

class AsteriskPasswordTransformationMethod extends PasswordTransformationMethod {
          @Override
          public CharSequence getTransformation(CharSequence source, View view) {
              return new PasswordCharSequence(source);
          }
  
          private class PasswordCharSequence implements CharSequence {
              private CharSequence mSource;
              public PasswordCharSequence(CharSequence source) {
                  mSource = source; // Store char sequence
              }
              public char charAt(int index) {
                  return '*'; // This is the important part
              }
              public int length() {
                  return mSource.length(); // Return default
              }
              public CharSequence subSequence(int start, int end) {
                  return mSource.subSequence(start, end); // Return default
              }
          }
      }

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inputType = "textpassword"
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this property is set , the display yes. . . . .
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tantahe Thank you very much !