added accents color definition on missed out top level theme definitions.

res/values/styles.xml

@@ -51,7 +51,9 @@
 		<item name="android:textColorPrimary">@color/primary</item>
 	</style>
 
-	<style name="ownCloud.Dialog" parent="Theme.AppCompat.Light.Dialog" />
+	<style name="ownCloud.Dialog" parent="Theme.AppCompat.Light.Dialog">
+		<item name="colorAccent">@color/color_accent</item>
+	</style>
 
 	<style name="ProgressDialogTheme" parent="ownCloud.Dialog">
 		<item name="colorAccent">@color/color_accent</item>
@@ -105,6 +107,7 @@
 
 	<style name="Theme.ownCloud.Fullscreen" parent="style/Theme.AppCompat">
         <item name="android:windowFullscreen">true</item>
+		<item name="colorAccent">@color/color_accent</item>
     </style>