关于Android studio中EditText的setError文字不显示的问题

res/values/styles.xml

<resources xmlns:android="http://schemas.android.com/apk/res/android">
<!--
Base application theme, dependent on API level. This theme is replaced
by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
-->
<style name="AppBaseTheme" parent="@android:style/Theme.Light.NoTitleBar">
<item name="android:textColorPrimaryInverse">@android:color/primary_text_light</item>
</style>

<!-- Application theme. -->
<style name="AppTheme" parent="AppBaseTheme">
</style>
<style name="LoginFormContainer">
<item name="android:layout_width">fill_parent</item>
<item name="android:layout_height">wrap_content</item>
<item name="android:padding">16dp</item>
</style>

<style name="edittext_style" parent="@android:style/Widget.EditText">
<item name="android:background">@drawable/bg_edittext</item>
<item name="android:paddingLeft">10dip</item>
<item name="android:paddingTop">8dip</item>
<item name="android:paddingBottom">8dip</item>
</style>
</resources>