public
abstract
class
OrientationEventListener
extends Object
| java.lang.Object | |
| ↳ | android.view.OrientationEventListener |
Helper class for receiving notifications from the SensorManager when the orientation of the device has changed.
Constants | |
|---|---|
int |
ORIENTATION_UNKNOWN
Returned from onOrientationChanged when the device orientation cannot be determined (typically when the device is in a close to flat position). |
Public constructors | |
|---|---|
OrientationEventListener(Context context)
Creates a new OrientationEventListener. |
|
OrientationEventListener(Context context, int rate)
Creates a new OrientationEventListener. |
|
Public methods | |
|---|---|
boolean
|
canDetectOrientation()
|
void
|
disable()
Disables the OrientationEventListener. |
void
|
enable()
Enables the OrientationEventListener so it will monitor the sensor and call
|
abstract
void
|
onOrientationChanged(int orientation)
Called when the orientation of the device has changed. |
Inherited methods | |
|---|---|
 From
class
java.lang.Object
| |
int ORIENTATION_UNKNOWN
Returned from onOrientationChanged when the device orientation cannot be determined (typically when the device is in a close to flat position).
See also:
Constant Value: -1 (0xffffffff)
OrientationEventListener (Context context)
Creates a new OrientationEventListener.
| Parameters | |
|---|---|
context |
Context:
for the OrientationEventListener.
|
OrientationEventListener (Context context, int rate)
Creates a new OrientationEventListener.
| Parameters | |
|---|---|
context |
Context:
for the OrientationEventListener. |
rate |
int:
at which sensor events are processed (see also
SensorManager). Use the default
value of SENSOR_DELAY_NORMAL for simple screen orientation change detection.
|
void enable ()
Enables the OrientationEventListener so it will monitor the sensor and call
onOrientationChanged(int) when the device orientation changes.
void onOrientationChanged (int orientation)
Called when the orientation of the device has changed.
orientation parameter is in degrees, ranging from 0 to 359.
orientation is 0 degrees when the device is oriented in its natural position,
90 degrees when its left side is at the top, 180 degrees when it is upside down,
and 270 degrees when its right side is to the top.
ORIENTATION_UNKNOWN is returned when the device is close to flat
and the orientation cannot be determined.
| Parameters | |
|---|---|
orientation |
int:
The new orientation of the device. |
See also:
Developers