Add accent color for prettier java experience

Author: Hisanobu Tomari

app/src/main/res/values-v21/styles.xml

@@ -1,7 +1,8 @@
 <resources>
-	<style name="AppBaseTheme" parent="android:Theme.Material.Light">
+	<style name="AppBaseTheme" parent="android:Theme.DeviceDefault.Light">
 		<item name="android:colorPrimary">@color/primary</item>
 		<!--   darker variant for the status bar and contextual app bars -->
 		<item name="android:colorPrimaryDark">@color/primary_dark</item>
+		<item name="android:colorAccent">@color/accent</item>
 	</style>
 </resources>

app/src/main/res/values/colors.xml

@@ -3,4 +3,5 @@
     <color name="javabutton_bg">#0fff</color>
 	<color name="primary">#f00</color>
 	<color name="primary_dark">#a00</color>
+	<color name="accent">#f33</color>
 </resources>