stanford.androidlib

Class SimpleCamera

java.lang.Object

stanford.androidlib.SimpleCamera

public final class SimpleCamera
extends Object

A utility class for event handling.

 SimpleCamera.with(this).takePhoto();
 

Field Summary

Fields

Modifier and Type	Field and Description
protected static int	REQ_CODE_PHOTO_GALLERY Request code for Intent to launch photo gallery.
protected static int	REQ_CODE_TAKE_PICTURE Request code for Intent to take a photo.

Method Summary

Modifier and Type	Method and Description
boolean	cameraExists() Returns true if the device has a camera.
SimpleCamera	photoGallery() Launches the device's photo gallery activity.
SimpleCamera	takePhoto() Instructs the device to take a photo without saving it to a file.
SimpleCamera	takePhoto(String filename) Instructs the device to take a photo and save it to a file.
static SimpleCamera	with(Context context) Returns a singleton SimpleCamera instance bound to the given context.
static SimpleCamera	with(View context) Returns a singleton SimpleCamera instance bound to the given view's context.

Methods inherited from class java.lang.Object

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

Field Detail

REQ_CODE_TAKE_PICTURE

protected static final int REQ_CODE_TAKE_PICTURE

Request code for Intent to take a photo.

See Also:

Constant Field Values

REQ_CODE_PHOTO_GALLERY

protected static final int REQ_CODE_PHOTO_GALLERY

Request code for Intent to launch photo gallery.

See Also:

Constant Field Values

Method Detail

with

public static SimpleCamera with(Context context)

Returns a singleton SimpleCamera instance bound to the given context.

with

public static SimpleCamera with(View context)

Returns a singleton SimpleCamera instance bound to the given view's context.

cameraExists

public boolean cameraExists()

Returns true if the device has a camera.

takePhoto

public SimpleCamera takePhoto()

Instructs the device to take a photo without saving it to a file. The onPhotoReady method will be called when the photo is ready. Logs the error if the action failed (e.g. if this device cannot support speech-to-text). May want to check cameraExists before calling this.

takePhoto

public SimpleCamera takePhoto(String filename)

Instructs the device to take a photo and save it to a file. The onPhotoReady method will be called when the photo is ready.

photoGallery

public SimpleCamera photoGallery()

Launches the device's photo gallery activity. Once the photo has been chosen, the onPhotoReady method will be called. Note that your app needs the permissions android.permission.MANAGE_DOCUMENTS and android.permission.READ_EXTERNAL_STORAGE to read photos from the photo gallery.