I try to change alertDialog's textSize via theme.xml but I can do it. This is my code from manifest:
<application
android:allowBackup="true"
android:icon="@drawable/appicon"
android:label="@string/app_name"
android:theme="@style/CustomActionBarTheme">
And my themes.xml:
<style name="CustomActionBarTheme"
parent="@android:style/Theme.Holo.Light.DarkActionBar">
<item name="android:actionBarStyle">@style/CustomBar</item>
<item name="android:actionBarTabTextStyle">@style/Widget.CustomTabText</item>
<item name="android:actionMenuTextAppearance">@style/CustomBar.MenuTextStyle</item>
<item name="android:alertDialogStyle">@style/CustomDialogTheme</item>
</style>
<style name="CustomDialogTheme" parent="@android:style/Theme.Dialog">
<item name="android:bottomBright">@color/white</item>
<item name="android:bottomDark">@color/white</item>
<item name="android:bottomMedium">@color/white</item>
<item name="android:centerBright">@color/white</item>
<item name="android:centerDark">@color/white</item>
<item name="android:centerMedium">@color/white</item>
<item name="android:fullBright">@color/blueDialog</item>
<item name="android:fullDark">@color/blueDialog</item>
<item name="android:topBright">@color/blueDialog</item>
<item name="android:topDark">@color/blueDialog</item>
<item name="android:textSize">50sp</item>
</style>
Thanks in advance!!!