Change Style themes

Signed-off-by: nobunobuta <[email protected]>

AndroidManifest.xml

@@ -15,6 +15,7 @@
 
         <activity android:name="DeskClock"
                 android:label="@string/app_label"
+                android:theme="@style/Theme.Wallpaper.NoTitleBar"
                 android:icon="@drawable/ic_widget_analog_clock"
                 android:launchMode="singleInstance"
                 android:configChanges="orientation|keyboardHidden|keyboard|navigation">
@@ -67,6 +68,7 @@
              with the wallpaper background. -->
         <activity android:name="AlarmAlertFullScreen"
                 android:excludeFromRecents="true"
+                android:theme="@style/Theme.Wallpaper.NoTitleBar"
                 android:launchMode="singleInstance"
                 android:taskAffinity=""
                 android:configChanges="orientation|keyboardHidden|keyboard|navigation"/>

res/values/themes.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<resources>
+    <!-- Default theme for windows that want to have the user's selected
+    	 wallpaper appear behind them.  -->
+    <style name="Theme.Wallpaper" parent="android:Theme">
+        <item name="android:windowBackground">@android:color/transparent</item>
+<!--
+        <item name="android:colorBackgroundCacheHint">@null</item>
+        <item name="android:windowShowWallpaper">true</item>
+-->
+    </style>
+
+    <!-- Variant of the translucent theme with no title bar -->
+    <style name="Theme.Wallpaper.NoTitleBar">
+        <item name="android:windowNoTitle">true</item>
+    </style>
+
+    <!-- Variant of the translucent theme that has no title bar and
+         fills the entire screen -->
+    <style name="Theme.Wallpaper.NoTitleBar.Fullscreen">
+        <item name="android:windowFullscreen">true</item>
+        <item name="android:windowContentOverlay">@null</item>
+    </style>
+</resources>
+