Android Camera2图片显示很慢

Question

我正在使用 android camera2 组件，但我无法理解为什么拍完一张照片需要很长时间才能显示在另一个 activity 中。基本上发生的事情是，当我拍照并保存时，我打开了一个新的 activity 应该显示拍摄的照片，但它会在大约 5 秒后显示。然后我在日志中收到这些消息：

12-08 11:39:15.507 21995-22727/com.artlandapp.cameratest       E/CameraDeviceGLThread-0: Received exception on GL render thread: 
                                                                                   java.lang.IllegalStateException: swapBuffers: EGL error: 0x300d
                                                                                      at android.hardware.camera2.legacy.SurfaceTextureRenderer.checkEglError(SurfaceTextureRenderer.java:530)
                                                                                   at android.hardware.camera2.legacy.SurfaceTextureRenderer.swapBuffers(SurfaceTextureRenderer.java:523)
                                                                                   at android.hardware.camera2.legacy.SurfaceTextureRenderer.drawIntoSurfaces(SurfaceTextureRenderer.java:727)
                                                                                   at android.hardware.camera2.legacy.GLThreadManager.handleMessage(GLThreadManager.java:105)
                                                                                   at android.os.Handler.dispatchMessage(Handler.java:98)
                                                                                   at android.os.Looper.loop(Looper.java:168)
                                                                                       at android.os.HandlerThread.run(HandlerThread.java:61)
12-08 11:39:15.507 21995-22727/com.artlandapp.cameratest I/CameraDeviceState: Legacy camera service transitioning to state ERROR
12-08 11:39:19.421 21995-22725/com.artlandapp.cameratest E/RequestThread-0: Timed out while waiting for request to complete.
12-08 11:39:19.421 21995-22725/com.artlandapp.cameratest W/CaptureCollector: Preview buffers dropped for request: 0
12-08 11:39:19.421 21995-22725/com.artlandapp.cameratest E/CameraDeviceState: Cannot receive result while in state: 0
12-08 11:39:19.433 21995-22725/com.artlandapp.cameratest E/CameraDeviceState: Cannot receive result while in state: 0
12-08 11:39:19.445 21995-22104/com.artlandapp.cameratest E/BufferQueueProducer: [SurfaceTexture-1-21995-3] queueBuffer: BufferQueue has been abandoned
12-08 11:39:19.446 21995-22006/com.artlandapp.cameratest E/BufferQueueProducer: [SurfaceTexture-1-21995-3] dequeueBuffer: BufferQueue has been abandoned
12-08 11:39:19.471 21995-22007/com.artlandapp.cameratest E/BufferQueueProducer: [SurfaceTexture-1-21995-3] cancelBuffer: BufferQueue has been abandoned
12-08 11:39:19.471 21995-22104/com.artlandapp.cameratest E/BufferQueueProducer: [SurfaceTexture-1-21995-3] cancelBuffer: BufferQueue has been abandoned
12-08 11:39:19.471 21995-22006/com.artlandapp.cameratest E/BufferQueueProducer: [SurfaceTexture-1-21995-3] cancelBuffer: BufferQueue has been abandoned
12-08 11:39:19.472 21995-22007/com.artlandapp.cameratest E/BufferQueueProducer: [SurfaceTexture-1-21995-3] cancelBuffer: BufferQueue has been abandoned
12-08 11:39:19.612 21995-21995/com.artlandapp.cameratest I/Choreographer: Skipped 245 frames!  The application may be doing too much work on its main thread.

非常感谢任何类型的帮助或建议！

Answer 1

您似乎没有使用 AsyncTask 执行捕获操作。您可以参考this link 看看是否对您有帮助。

Android Camera2图片显示很慢

Android Camera2 picture display very slow

java

android

android-camera

android-fragments

android-camera2