Android Question AutoCompleteEditText Style don't work

SetApplicationAttribute(android:theme, "@style/Theme.MyApp")

CreateResource(values, theme.xml,
<resources>
<style name="Theme.MyApp" parent="Theme.AppCompat.NoActionBar">
<item name="android:autoCompleteTextViewStyle">@style/AutoCompleteTextViewStyle</item>
</style>

<style name="AutoCompleteTextViewStyle" parent="@android:style/Widget.AutoCompleteTextView" >
<item name="android:textColor">#000000</item>
<item name="android:textColorHint">#555555</item>
<item name="android:background">#FFFFFF</item>
<item name="android: padding">10dip</item>
<item name="android:layout_margin">10dip</item>
</style>
</resources>
)

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