设置EditText的属性
mTixiangMoney.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_DECIMAL);
设置监听事件===保证两位小数
mTixiangMoney.addTextChangedListener(new TextWatcher() { @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { } @Override public void onTextChanged(CharSequence s, int start, int before, int count) { LogUtils.e("xxxxxx === "+"变化了"); if (s.toString().contains(".")) { if (s.length() - 1 - s.toString().indexOf(".") > 2) { s = s.toString().subSequence(0, s.toString().indexOf(".") + 3); mTixiangMoney.setText(s); mTixiangMoney.setSelection(s.length()); } } if (s.toString().trim().substring(0).equals(".")) { s = "0" + s; mTixiangMoney.setText(s); mTixiangMoney.setSelection(2); } if (s.toString().startsWith("0") && s.toString().trim().length() > 1) { if (!s.toString().substring(1, 2).equals(".")) { mTixiangMoney.setText(s.subSequence(0, 1)); mTixiangMoney.setSelection(1); return; } } } @Override public void afterTextChanged(Editable s) { } });