I am using camera 2 api in my application by following the google sample link
For the first time it is working properly. If you go back and come again many times, then the app is getting crashed saying -
[CAM_ID(0)][PREVIEW_BUF]-ERR(m_bufferCollectorThreadFunc[3196]):dequeueBuffer failed, dequeue(5), collected(5) 2019-09-20 17:33:12.208 3250-4904/? E/BufferQueueProducer: [SurfaceView - com.example/com.example.FaceTrackerActivityPayment@7edb372@0#0] dequeueBuffer: BufferQueue has been abandoned 2019-09-20 17:33:12.208 3405-15497/? E/ExynosCameraMemoryAllocator: ERR(alloc):dequeue_buffer failed 2019-09-20 17:33:12.208 3250-4904/? E/BufferQueueProducer: [SurfaceView - com.example/com.example.FaceTrackerActivityPayment@7edb372@0#0] dequeueBuffer: BufferQueue has been abandoned 2019-09-20 17:33:12.208 3405-15497/? E/ExynosCameraMemoryAllocator: ERR(alloc):dequeue_buffer failed 2019-09-20 17:33:12.208 3250-4904/? E/BufferQueueProducer: [SurfaceView - com.example/com.example.FaceTrackerActivityPayment@7edb372@0#0] dequeueBuffer: BufferQueue has been abandoned 2019-09-20 17:33:12.208 3405-15497/? E/ExynosCameraMemoryAllocator: ERR(alloc):dequeue_buffer failed 2019-09-20 17:33:12.208 3250-4904/? E/BufferQueueProducer: [SurfaceView - com.example/com.example.FaceTrackerActivityPayment@7edb372@0#0] dequeueBuffer: BufferQueue has been abandoned 2019-09-20 17:33:12.208 3405-15497/? E/ExynosCameraMemoryAllocator: ERR(alloc):dequeue_buffer failed 2019-09-20 17:33:12.209 3250-4904/? E/BufferQueueProducer: [SurfaceView - com.example/com.example.FaceTrackerActivityPayment@7edb372@0#0] dequeueBuffer: BufferQueue has been abandoned 2019-09-20 17:33:12.209 3405-15497/? E/ExynosCameraMemoryAllocator: ERR(alloc):dequeue_buffer failed 2019-09-20 17:33:12.209 3405-15497/? E/ExynosCameraMemoryAllocator: @@@@ERR(alloc):*bufHandle == NULL failed 2019-09-20 17:33:12.209 3405-15497/? E/ExynosCameraMemoryAllocator: ERR(dequeueBuffer):alloc failed