[안드로이드] EditText 해당글자수 입력시 자동으로 다음 EditText로 넘어가기
coupon_number1.addTextChangedListener(new TextWatcher() { @Override public void onTextChanged(CharSequence s, int start, int before, int count) { if(coupon_number1.getText().toString().length() == 4){ coupon_number2.requestFocus(); } } @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { } @Override public void afterTextChanged(Editable s) { } }); coupon_num..