syntax:
  android:reqFiveWayNav=["true" | "false"]
  android:reqHardKeyboard=["true" | "false"]
  android:reqKeyboardType=["undefined" | "nokeys" | "qwerty" | "twelvekey"]
  android:reqNavigation=["undefined" | "nonav" | "dpad" | "trackball" | "wheel"]
  android:reqTouchScreen=["undefined" | "notouch" | "stylus" | "finger"] />
contained in:
description:

Indicates the hardware and software features the application requires. For example, an application might specify that it requires a physical keyboard or a particular navigation device, like a trackball. The specification is used to avoid installing the application on devices where it doesn't work.

Note: Most apps don't use this manifest tag. Always support input with a directional pad (D-pad) to assist sight-impaired users and support devices that provide D-pad input in addition to or instead of touch.

For information about how to support D-pad input in your app, read Handle controller actions. If your app absolutely can't function without a touchscreen, then instead use the tag to declare the required touchscreen type, ranging from "android.hardware.faketouch" for basic touch-style events to more advanced touch types such as "android.hardware.touchscreen.multitouch.jazzhand" for distinct input from multiple fingers.

attributes:
android:reqFiveWayNav
Whether the application requires a five-way navigation control. It's "true" if it does, and "false" if not. A five-way control is one that can move the selection up, down, right, or left, and also provides a way of invoking the current selection. It can be a directional pad (D-pad), trackball, or other device.

If an application requires a directional control, but not a control of a particular type, it can set this attribute to "true" and ignore the reqNavigation attribute. However, if it requires a particular type of directional control, it can ignore this attribute and set reqNavigation instead.

android:reqHardKeyboard
Whether the application requires a hardware keyboard. It's "true" if it does, and "false" if not.
android:reqKeyboardType
The type of keyboard the application requires, if any. This attribute doesn't distinguish between hardware and software keyboards. If a hardware keyboard of a certain type is required, specify the type here and also set the reqHardKeyboard attribute to "true".

The value must be one of the following strings:

Value Description
"undefined" The application doesn't require a keyboard. A keyboard requirement isn't defined. This is the default value.
"nokeys" The application doesn't require a keyboard.
"qwerty" The application requires a standard QWERTY keyboard.
"twelvekey" The application requires a twelve-key keypad, like those on most phones, with keys for the digits from 0 through 9, plus star (*) and pound (#) keys.
android:reqNavigation
The navigation device required by the application, if any. The value must be one of the following strings:
Value Description
"undefined" The application doesn't require any type of navigation control. The navigation requirement isn't defined. This is the default value.
"nonav" The application doesn't require a navigation control.
"dpad" The application requires a D-pad for navigation.
"trackball" The application requires a trackball for navigation.
"wheel" The application requires a navigation wheel.

If an application requires a navigational control, but the exact type of control doesn't matter, it can set the reqFiveWayNav attribute to "true" rather than setting this one.

android:reqTouchScreen
The type of touch screen the application requires, if any. The value must be one of the following strings:
Value Description
"undefined" The application doesn't require a touch screen. The touch screen requirement is undefined. This is the default value.
"notouch" The application doesn't require a touch screen.
"stylus" The application requires a touch screen that is operated with a stylus.
"finger" The application requires a touch screen that is operated with a finger.

Note: If some type of touch input is required for your app, instead use the tag to declare the required touchscreen type, beginning with "android.hardware.faketouch" for basic touch-style events.
introduced in:
API level 3
see also: