我需要输入由破折号分隔的9个大写字母,例如AAA-AAA-AAA和
输入时必须格式化此输入。
提前致谢。
最佳答案
我已经找到了使用TextWatcher的解决方案。我在用着android:inputType="textCapCharacters|textNoSuggestions"
为EditText输入类型,以便仅接收大写字母。
txtCode = (EditText) findViewById(R.id.txtCode);
txtCode.addTextChangedListener( new TextWatcher() {
boolean isEdiging;
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) { }
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
@Override
public void afterTextChanged(Editable s) {
if(isEdiging) return;
isEdiging = true;
// removing old dashes
StringBuilder sb = new StringBuilder();
sb.append(s.toString().replace("-", ""));
if (sb.length()> 3)
sb.insert(3, "-");
if (sb.length()> 7)
sb.insert(7, "-");
if(sb.length()> 11)
sb.delete(11, sb.length());
s.replace(0, s.length(), sb.toString());
isEdiging = false;
}
});