![](https://connie.hk/wp-content/uploads/2019/05/Screenshot-2019-05-29-at-5.34.01-PM.png)
<EditText
android:id="@+id/editText2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="textPersonName"
android:background="@drawable/text_field_bg"
android:padding="5dp"
android:hint="請輸入帳號(4-16英數)"/>
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