Android CameraX返回成功但未保存图片
我已经实现了android camerax,但它没有正确地捕获图像,回调返回成功,但无法找到或查看图像 我的实施:Android CameraX返回成功但未保存图片,android,android-camera,android-camerax,Android,Android Camera,Android Camerax,我已经实现了android camerax,但它没有正确地捕获图像,回调返回成功,但无法找到或查看图像 我的实施: private void startCamera(){ final ListenableFuture<ProcessCameraProvider> cameraProviderFuture = ProcessCameraProvider.getInstance(this); cameraProviderFuture.addListener(new Run
private void startCamera(){
final ListenableFuture<ProcessCameraProvider> cameraProviderFuture = ProcessCameraProvider.getInstance(this);
cameraProviderFuture.addListener(new Runnable() {
@Override
public void run() {
try {
ProcessCameraProvider provider = cameraProviderFuture.get();
bindPreview(provider);
} catch (Exception e){
e.printStackTrace();
}
}
}, ContextCompat.getMainExecutor(this));
}
private void bindPreview(@NonNull ProcessCameraProvider cameraProvider){
Preview preview = new Preview.Builder().build();
CameraSelector selector = new CameraSelector.Builder().requireLensFacing(CameraSelector.LENS_FACING_FRONT).build();
ImageCapture.Builder builder = new ImageCapture.Builder();
final ImageCapture imageCapture = builder.setTargetRotation(this.getWindowManager().getDefaultDisplay().getRotation()).build();
preview.setSurfaceProvider(cameraView.createSurfaceProvider());
cameraProvider.bindToLifecycle(this,selector,preview,imageCapture);
btnCapture.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
selfieFile = new File(getFilesDir(),"attendance.jpg");
OutputFileOptions outputFileOptions = new OutputFileOptions.Builder(selfieFile).build();
imageCapture.takePicture(outputFileOptions, executor, new ImageCapture.OnImageSavedCallback() {
@Override
public void onImageSaved(@NonNull ImageCapture.OutputFileResults outputFileResults) {
runOnUiThread(new Runnable() {
@Override
public void run() {
Glide.with(CameraActivity.this).load(outputFileResults.getSavedUri()).into(capturedImage);
//updateUI(false);
}
});
}
@Override
public void onError(@NonNull ImageCaptureException exception) {
}
});
}
});
}
private void startCamera(){
final ListenableFuture cameraProviderFuture=ProcessCameraProvider.getInstance(this);
cameraProviderFuture.addListener(新的Runnable(){
@凌驾
公开募捐{
试一试{
ProcessCameraProvider provider=cameraProviderFuture.get();
绑定预览(提供者);
}捕获(例外e){
e、 printStackTrace();
}
}
},ContextCompat.getMainExecutor(this));
}
私有void bindPreview(@NonNull ProcessCameraProvider cameraProvider){
Preview Preview=新建Preview.Builder().build();
CameraSelector selector=新建CameraSelector.Builder().requirensFacing(CameraSelector.LENS_FACING_FRONT).build();
ImageCapture.Builder=新建ImageCapture.Builder();
final ImageCapture ImageCapture=builder.setTargetRotation(this.getWindowManager().getDefaultDisplay().getRotation()).build();
preview.setSurfaceProvider(cameraView.createSurfaceProvider());
cameraProvider.bindToLifecycle(此、选择器、预览、图像捕获);
btnCapture.setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图){
selfieFile=新文件(getFilesDir(),“attention.jpg”);
OutputFileOptions OutputFileOptions=新建OutputFileOptions.Builder(selfieFile.build();
takePicture(outputFileOptions,executor,newimagecapture.OnImageSavedCallback(){
@凌驾
public void onImageSaved(@NonNull ImageCapture.OutputFileResults OutputFileResults){
runOnUiThread(新的Runnable(){
@凌驾
公开募捐{
Glide.with(CameraActivity.this).load(outputFileResults.getSavedUri())到(capturedImage)中;
//更新(假);
}
});
}
@凌驾
public void onError(@NonNull ImageCaptureException异常){
}
});
}
});
}
我尝试加载Uri.fromFile(),也尝试改为获取imageproxy并转换为位图,但仍然存在这些问题。任何帮助都将不胜感激。在Per的文档中,此方法仅在MediaStore支持ImageCapture.OutputFileOptions
时返回值,即当您使用ImageCapture.OutputFileOptions.Builder(ContentResolver,Uri,ContentValues)
时返回值
您使用的是ImageCapture.OutputFileOptions.Builder(文件)
,这意味着您在调用ImageCapture.OutputFileResults.getSavedUri()时应该会收到null
我对Glide不够熟悉,所以我不确定为什么使用Uri.fromFile()
加载图像不起作用。您可以尝试直接在ImageView上设置图像,以查看是否误用了Glide:
capturedImage.setImageURI(Uri.fromFile(selfieFile))
根据的文档,此方法仅在MediaStore支持ImageCapture.OutputFileOptions
时返回值,即使用ImageCapture.OutputFileOptions.Builder(ContentResolver,Uri,ContentValues)
时返回值
您使用的是ImageCapture.OutputFileOptions.Builder(文件)
,这意味着您在调用ImageCapture.OutputFileResults.getSavedUri()时应该会收到null
我对Glide不够熟悉,所以我不确定为什么使用Uri.fromFile()
加载图像不起作用。您可以尝试直接在ImageView上设置图像,以查看是否误用了Glide:
capturedImage.setImageURI(Uri.fromFile(selfieFile))