Lines Matching full:keys
23 input devices that have keys, including special keys such as volume, power
24 and headset media keys.</p>
155 # volume and power keys which are typically implemented as GPIO pins that
184 # These are the buttons that the joystick supports, represented as keys.
214 <h2 id="wake-keys">Wake Keys</h2>
215 <p>Wake keys are special keys that wake the device from sleep, such as the power key.</p>
217 keyboard device, all keys are wake keys.</p>
221 key behavior. Moreover, the key guard may prevent certain keys from functioning
222 as wake keys. A good place to start understanding wake key behavior is
224 <h2 id="virtual-soft-keys">Virtual Soft Keys</h2>
225 <p>The input system provides special features for implementing virtual soft keys.</p>
229 <p>If the virtual soft keys are displayed graphically on the screen, as on the
232 <p>Because graphical virtual soft keys are implemented at a high layer in the
237 <p>If the virtual soft keys are implemented as an extended touchable region
248 <p>If the virtual soft keys are implemented as capacitive buttons that are
275 <pre><code><!-- Specifies the amount of time to disable virtual keys after the screen is touched
