EditText限制输入金额（价格）格式

/*
* 监听小数点让用户只能输入小数点后两位
*
* @param editText
*/
public static void setPricePoint(final EditText editText) {
editText.addTextChangedListener(new TextWatcher() {

@Override
public void onTextChanged(CharSequence s, int start, int before,
int count) {
if (s.toString().contains(".")) {
if (s.length() - 1 - s.toString().indexOf(".") > 2) {
s = s.toString().subSequence(0,
s.toString().indexOf(".") + 3);
editText.setText(s);
editText.setSelection(s.length());
}
}
if (s.toString().trim().substring(0).equals(".")) {
s = "0" + s;
editText.setText(s);
editText.setSelection(2);
}

if (s.toString().startsWith("0")
&& s.toString().trim().length() > 1) {
if (!s.toString().substring(1, 2).equals(".")) {
editText.setText(s.subSequence(0, 1));
editText.setSelection(1);
return;
}
}
}

@Override
public void beforeTextChanged(CharSequence s, int start, int count,
int after) {

}

@Override
public void afterTextChanged(Editable s) {
// TODO Auto-generated method stub

}

});

}