edittext输入类型限制为ip，inputType应该如何设置

<EditText
android:id="@+id/et_setting_printer_edit_info_ip"
android:layout_width="200dp"
android:layout_height="35dp"
android:layout_alignParentRight="true"
android:layout_marginRight="30dp"
android:textColor="#898989"
android:textSize="16sp"
android:textColorHint="#30898989"
android:gravity="bottom|center_horizontal"
android:focusable="true"
android:background="@android:color/transparent"
android:textCursorDrawable="@null"
android:cursorVisible="true"
android:inputType="number"
android:digits="0123456789."
/>

mEditText.setKeyListener(DigitsKeyListener.getInstance(digits));