Can somebody what I have done wrong... I wanted to capture the image which I have a preview screen using SurfaceView. I am able to show the preview on the surface view.
This is my code to capture the image
if (mCameraSession == null && mCameraDevice == null) return;
ImageReader reader = ImageReader.newInstance(mTexturePreviewSize.getWidth(),
mTexturePreviewSize.getHeight(),
ImageFormat.JPEG, 1);
reader.setOnImageAvailableListener(imageAvailableListener, mBackgroundHandler);
Surface surface = reader.getSurface();
try {
CaptureRequest.Builder requestBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE);
requestBuilder.addTarget(surface);
mCameraSession.capture(requestBuilder.build(), sessionCaptureListener, null);
Below is the error message i received.
java.lang.IllegalArgumentException: Bad argument passed to camera service
at android.hardware.camera2.utils.CameraBinderDecorator.throwOnError(CameraBinderDecorator.java:114)
at android.hardware.camera2.utils.CameraBinderDecorator$CameraBinderDecoratorListener.onAfterInvocation(CameraBinderDecorator.java:73)
at android.hardware.camera2.utils.Decorator.invoke(Decorator.java:81)
at java.lang.reflect.Proxy.invoke(Proxy.java:397)
at $Proxy2.submitRequestList(Unknown Source)
at android.hardware.camera2.impl.CameraDeviceImpl.submitCaptureRequest(CameraDeviceImpl.java:617)
at android.hardware.camera2.impl.CameraDeviceImpl.capture(CameraDeviceImpl.java:503)
at android.hardware.camera2.impl.CameraCaptureSessionImpl.capture(CameraCaptureSessionImpl.java:161)
at Control.CameraApi21Plus.captureSinglePhoto(CameraApi21Plus.java:171)
at com.CameraActivity$2.onClick(CameraActivity.java:108)
Capturing a single photo function:
public void captureSinglePhoto() {
if (mCameraSession == null && mCameraDevice == null) return;
ImageReader reader = ImageReader.newInstance(mTexturePreviewSize.getWidth(),
mTexturePreviewSize.getHeight(),
ImageFormat.JPEG, 1);
reader.setOnImageAvailableListener(imageAvailableListener, mBackgroundHandler);
Surface surface = reader.getSurface();
try {
CaptureRequest.Builder requestBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE);
requestBuilder.addTarget(surface);
mCameraSession.stopRepeating();
mCameraSession.capture(requestBuilder.build(), sessionCaptureListener, null);
} catch (CameraAccessException e) {
e.printStackTrace();
}
}
private ImageReader.OnImageAvailableListener imageAvailableListener = new ImageReader.OnImageAvailableListener()
{
@Override
public void onImageAvailable(ImageReader reader) {
Image img = reader.acquireLatestImage();
}
};
private CameraCaptureSession.CaptureCallback sessionCaptureListener = new CameraCaptureSession.CaptureCallback() {
@Override
public void onCaptureCompleted(CameraCaptureSession session, CaptureRequest request, TotalCaptureResult result) {
//super.onCaptureCompleted(session, request, result);
}
};
You can only capture to a surface that is configured for the session, so you should prepare the surface before the session is created.
In the official document:
Just like there, you need to have the surface
mImageReader.getSurface()
ready when you create the sessionofficial sample:
https://github.com/googlesamples/android-Camera2Basic/tree/master/Application/src/main/java/com/example/android/camera2basic
In Camera2 API,
Quoting from the documentation of
CameraCaptureSession
,So, as the documentation implies, you are calling a closed session. find this out. I can help a bit more of you put more code.
And also, I hope that you are imitating the Camera2 API sample code.If not I suggest you to have a look at it.