DeviceDefault themes are aliases for the device’s native look and feel. In Android 4.0’s API (level 14) we’ve added a new public theme family to complement the Holo family introduced in Android 3.0: DeviceDefault. In fact we’ve gone further to make this even easier. We have no desire to restrict manufacturers from building their own themed experience across their devices. The Holo themes may also be used as stable parent themes for app-level theme customizations. Your app will be displayed using the unmodified theme on all compatible Android 4.0 devices. To use a Holo theme, explicitly request one from your manifest on your activity or application element, e.g.
Examples of these themes in action are shown in the screenshots lining this post. The Holo theme family in Android 4.0 consists of the themes Theme.Holo,, and. The Widget.Holo styles will be stable from device to device, safe for use as parent styles for incremental customizations within your app.
This standardization goes for all of the public Holo widget styles as well. If the device has Android Market it will have the Holo themes as they were originally designed. We’ve made the inclusion of the unmodified Holo theme family a compatibility requirement for devices running Android 4.0 and forward. Theme.HoloIf you’re not already familiar with Android’s style and theme system, you should read Styles and Themes before continuing.
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