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ACameraManager_AvailabilityListener
A listener for camera devices becoming available or unavailable to open.
Summary
Cameras become available when they are no longer in use, or when a new removable camera is connected. They become unavailable when some application or service starts using a camera, or when a removable camera is disconnected.
See also:
ACameraManager_registerAvailabilityCallback
Public attributes
context
Declared in camera/NdkCameraManager.h
void * ACameraManager_AvailabilityListener::context
Optional application context.
onCameraAvailable
Declared in camera/NdkCameraManager.h
ACameraManager_AvailabilityCallback ACameraManager_AvailabilityListener::onCameraAvailable
Called when a camera becomes available.
onCameraUnavailable
Declared in camera/NdkCameraManager.h
ACameraManager_AvailabilityCallback ACameraManager_AvailabilityListener::onCameraUnavailable
Called when a camera becomes unavailable.
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Last updated 2024-11-19 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-11-19 UTC."],[],[],null,["# ACameraManager_AvailabilityListener Struct Reference\n\nACameraManager_AvailabilityListener\n===================================\n\nA listener for camera devices becoming available or unavailable to open.\n\nSummary\n-------\n\nCameras become available when they are no longer in use, or when a new removable camera is connected. They become unavailable when some application or service starts using a camera, or when a removable camera is disconnected.\n\n\n**See also:**\n[ACameraManager_registerAvailabilityCallback](/ndk/reference/group/camera#group___camera_1ga2504e4e7f92aa5d6769041ef09457cfb)\n\n| ### Public attributes ||\n|------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [context](#struct_a_camera_manager___availability_listener_1a183958cc2a238edd5be2ab78f129f35d) | `void *` Optional application context. |\n| [onCameraAvailable](#struct_a_camera_manager___availability_listener_1aed21b610ffeb7d90508f08a11dc1eb68) | [ACameraManager_AvailabilityCallback](/ndk/reference/group/camera#group___camera_1ga27908de11ad6bc29897600254e7939b9) Called when a camera becomes available. |\n| [onCameraUnavailable](#struct_a_camera_manager___availability_listener_1a344aa850362df30950136c359de768b6) | [ACameraManager_AvailabilityCallback](/ndk/reference/group/camera#group___camera_1ga27908de11ad6bc29897600254e7939b9) Called when a camera becomes unavailable. |\n\nPublic attributes\n-----------------\n\n### context\n\nDeclared in `camera/NdkCameraManager.h` \n\n```scdoc\nvoid * ACameraManager_AvailabilityListener::context\n``` \nOptional application context. \n\n### onCameraAvailable\n\nDeclared in `camera/NdkCameraManager.h` \n\n```scdoc\nACameraManager_AvailabilityCallback ACameraManager_AvailabilityListener::onCameraAvailable\n``` \nCalled when a camera becomes available. \n\n### onCameraUnavailable\n\nDeclared in `camera/NdkCameraManager.h` \n\n```scdoc\nACameraManager_AvailabilityCallback ACameraManager_AvailabilityListener::onCameraUnavailable\n``` \nCalled when a camera becomes unavailable."]]
