com.google.appinventor.components.runtime

Class Camera

java.lang.Object

com.google.appinventor.components.runtime.AndroidNonvisibleComponent

com.google.appinventor.components.runtime.Camera

All Implemented Interfaces:

ActivityResultListener, Component

public class Camera
extends AndroidNonvisibleComponent
implements ActivityResultListener, Component

Camera provides access to the phone's camera

Field Summary

Fields inherited from class com.google.appinventor.components.runtime.AndroidNonvisibleComponent

form

Fields inherited from interface com.google.appinventor.components.runtime.Component

ACCELEROMETER_SENSITIVITY_MODERATE, ACCELEROMETER_SENSITIVITY_STRONG, ACCELEROMETER_SENSITIVITY_WEAK, ALIGNMENT_CENTER, ALIGNMENT_NORMAL, ALIGNMENT_OPPOSITE, ASSET_DIRECTORY, BUTTON_SHAPE_DEFAULT, BUTTON_SHAPE_OVAL, BUTTON_SHAPE_RECT, BUTTON_SHAPE_ROUNDED, COLOR_BLACK, COLOR_BLUE, COLOR_CYAN, COLOR_DEFAULT, COLOR_DKGRAY, COLOR_GRAY, COLOR_GREEN, COLOR_LTGRAY, COLOR_MAGENTA, COLOR_NONE, COLOR_ORANGE, COLOR_PINK, COLOR_RED, COLOR_WHITE, COLOR_YELLOW, DEFAULT_VALUE_COLOR_BLACK, DEFAULT_VALUE_COLOR_BLUE, DEFAULT_VALUE_COLOR_CYAN, DEFAULT_VALUE_COLOR_DEFAULT, DEFAULT_VALUE_COLOR_DKGRAY, DEFAULT_VALUE_COLOR_GRAY, DEFAULT_VALUE_COLOR_GREEN, DEFAULT_VALUE_COLOR_LTGRAY, DEFAULT_VALUE_COLOR_MAGENTA, DEFAULT_VALUE_COLOR_NONE, DEFAULT_VALUE_COLOR_ORANGE, DEFAULT_VALUE_COLOR_PINK, DEFAULT_VALUE_COLOR_RED, DEFAULT_VALUE_COLOR_WHITE, DEFAULT_VALUE_COLOR_YELLOW, DIRECTION_EAST, DIRECTION_MAX, DIRECTION_MIN, DIRECTION_NONE, DIRECTION_NORTH, DIRECTION_NORTHEAST, DIRECTION_NORTHWEST, DIRECTION_SOUTH, DIRECTION_SOUTHEAST, DIRECTION_SOUTHWEST, DIRECTION_WEST, FONT_DEFAULT_SIZE, LAYOUT_ORIENTATION_HORIZONTAL, LAYOUT_ORIENTATION_VERTICAL, LENGTH_FILL_PARENT, LENGTH_PREFERRED, LENGTH_UNKNOWN, SLIDER_MAX_VALUE, SLIDER_MIN_VALUE, SLIDER_THUMB_VALUE, TOAST_LENGTH_LONG, TOAST_LENGTH_SHORT, TYPEFACE_DEFAULT, TYPEFACE_MONOSPACE, TYPEFACE_SANSSERIF, TYPEFACE_SERIF

Constructor Summary

Constructors

Constructor and Description
Camera(ComponentContainer container) Creates a Camera component.

Method Summary

Methods

Modifier and Type	Method and Description
void	AfterPicture(java.lang.String image) Indicates that a photo was taken with the camera and provides the path to the stored picture.
void	resultReturned(int requestCode, int resultCode, android.content.Intent data) The callback method used to report Activity results back to the caller.
void	TakePicture() Takes a picture, then raises the AfterPicture event.
boolean	UseFront() Returns true if the front-facing camera is to be used (when available)
void	UseFront(boolean front) Specifies whether the front-facing camera should be used (when available)

Methods inherited from class com.google.appinventor.components.runtime.AndroidNonvisibleComponent

getDispatchDelegate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.google.appinventor.components.runtime.Component

getDispatchDelegate

Constructor Detail

Camera

public Camera(ComponentContainer container)

Creates a Camera component. Camera has a boolean option to request the forward-facing camera via an intent extra.

Parameters:

container - container, component will be placed in

Method Detail

UseFront

public boolean UseFront()

Returns true if the front-facing camera is to be used (when available)

Returns:

true indicates front-facing is to be used, false will open default

UseFront

public void UseFront(boolean front)

Specifies whether the front-facing camera should be used (when available)

Parameters:

front - true for front-facing camera, false for default

TakePicture

public void TakePicture()

Takes a picture, then raises the AfterPicture event. If useFront is true, adds an extra to the intent that requests the front-facing camera.

resultReturned

public void resultReturned(int requestCode,
                  int resultCode,
                  android.content.Intent data)

Description copied from interface: ActivityResultListener

The callback method used to report Activity results back to the caller.

Specified by:

resultReturned in interface ActivityResultListener

Parameters:

requestCode - the originally passed in request code. Used to identify the call.

resultCode - the returned result code: Activity.RESULT_OK or Activity.RESULT_CANCELED

data - the returned data, encapsulated as an Intent.

AfterPicture

public void AfterPicture(java.lang.String image)

Indicates that a photo was taken with the camera and provides the path to the stored picture.