CameraView | An Android View that displays the camera | Android library
kandi X-RAY | CameraView Summary
kandi X-RAY | CameraView Summary
An Android View that displays the camera
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Top functions reviewed by kandi - BETA
- Starts recording video
- Close recording encoder
- Returns the first codec with the given mime type
- Serialize this header to a byte array
- Takes a picture from a file
- Rotates the image
- Flips the image
- Saves the image to a file
- Sets the current zoom level
- Initializes the camera view
- Attaches the display listener
- Sets the contents of an exif
- Returns the display angle
- Called when an image confirmation is confirmed
- Called when a video confirmation is done
- Called when a texture is destroyed
- Flips the orientation of the image
- Called to focus the camera
- Called when a view is created
- Saves camera parameters
- Called when a picture is taken
- Start recording
- Override this method to handle touch events
- Starts a video recording
- Starts the audio recording
- Restore the state from the parameters
CameraView Key Features
CameraView Examples and Code Snippets
Community Discussions
Trending Discussions on CameraView
QUESTION
I want to serialize read only field (perform get request and view all objects)
Problem: i don't see read_only_fields in response:
...
ANSWER
Answered 2021-Jun-14 at 16:23class UserSerializer(ModelSerializer):
"""
``Serializer`` for ``User`` ..
"""
class Meta:
model = User
fields = ('id', 'email', 'first_name', 'last_name' ,'security_question', 'security_question_answer', 'password', 'is_active', 'is_staff')
read_only_fields = ('is_active', 'is_staff')
extra_kwargs = {
'security_question': {'write_only': True},
'security_question_answer': {'write_only': True},
'password': {'write_only': True}
}
QUESTION
When the camera opens a blank camera appears for a few seconds and it always gives the same below output and stops.
prediction: [{"className":"nematode, nematode worm, roundworm","probability":0.050750732421875},{"className":"matchstick","probability":0.043731689453125},{"className":"lighter, light, igniter, ignitor","probability":0.021453857421875}]
Any idea how I can make the real time prediction work? without getting a false prediction as above just for one time
Below is the Camera Screen code where the prediction should happen in real time camera feed when user scans a certain surrounding
...ANSWER
Answered 2021-Jun-07 at 04:03In the function handleCameraStream
you stop looping the function once a prediction is found. In your case you would want to constantly run the loop as you want to make predictions on all the frames not a single one.
QUESTION
I have a blue Rectangle overlaying a camera preview layer inside of a ZStack.
What I want to do is cut a RoundedRectangle "frame" out of the blue Rectangle so the camera preview layer has a blue framing with rounded corners.
How do I cut out a RoundedRectangle from the Blue Rectangle to reveal the preview layer below? Is there a way to invert the clip-shape??
Below is a picture of what I currently have, the black color represents the camera preview layer which is currently hidden by the blue Rectangle.
...ANSWER
Answered 2021-May-19 at 15:16Can't you use the .cornerRadius()
attribute on the ztack or cameraPreviewLayer ?
QUESTION
I am developing a face recognition application of Vision library, and I am having trouble drawing lines with CAShapeLayer
here is the code after getting camera output:
...ANSWER
Answered 2021-May-18 at 10:03You can use this:
QUESTION
From my understanding, in Box2d, objects will collide with another object if the other object's category is in the mask.
I have set up a really simple scene where I have a square that should fall through the floor. For testing purposes I have made it so the mask and the category are completely different on the square and floor like below
...ANSWER
Answered 2021-Apr-08 at 14:45Turns out I hadn't set up a contact filter for the world. I think I just assumed it would do this by default.
Adding the line world.SetContactFilter(new ContactFilter());
fixes the issue.
QUESTION
Basically when the user clicks on the takePicture button I want to take a picture of the current previewView.
Here is my startCamera method:
...ANSWER
Answered 2021-Apr-06 at 12:40Look This
QUESTION
I have implemented android camerax but its not capturing image properly, the callback returns success but the image cannot be found or viewed.
My implementation :
...ANSWER
Answered 2021-Mar-29 at 16:07Per ImageCapture.OutputFileResults.getSavedUri()
's documentation, this method only returns a value when ImageCapture.OutputFileOptions
is backed by MediaStore, i.e. when you use ImageCapture.OutputFileOptions.Builder(ContentResolver, Uri, ContentValues)
.
You're using ImageCapture.OutputFileOptions.Builder(File)
, meaning that you should expect to receive null
when you call ImageCapture.OutputFileResults.getSavedUri()
.
I'm not familiar enough with Glide, so I'm not sure why loading the image using Uri.fromFile()
doesn't work. You can try setting the image directly on the ImageView though to see if you're misusing Glide:
QUESTION
I am new to Java coding for android. I need to understand why does my code generate 2 threads. The problem that can be created over here is perhaps competition for Camera Resources which results in the camera not being used by the user. Kindly suggest a solution to my problem as well.
I have also attached a picture where there are 2 requests for a new activity. There is also proof by having 2 thread IDs active.
EDIT for clarity: I want to generate a new thread which solely handles the activity to record the video, no other thread should be doing it. But there are two that are performing their own activity to record video.
...ANSWER
Answered 2021-Feb-18 at 07:09Every time you tap on TextView
, as you are using onTouchListener
, it will be fired twice, once for ACTION_DOWN
and ACTION_UP
, so check for ACTION_UP
as in
QUESTION
I am making my first Android App where I need to take a video of 45 secs to calculate pulse from it.
Recording video is coded the simple way, using startActivityForResult()
(something similar to record video using intent). The activity to record video successfully starts but when the record button is pressed recording starts and instantly stops. I have no clue as to why. Logcat displays no error output with respect to the activity. Even, there is no mention of any of my source files in any info or error Logs in Logcat.
Here are my files
- MainActivity.java
ANSWER
Answered 2021-Feb-18 at 00:31
File file_video = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + "/video_finger.mp4");
final int VIDEO_CAPTURE = 1;
// StrictMode.VmPolicy.Builder builder = new StrictMode.VmPolicy.Builder();
// StrictMode.setVmPolicy(builder.build());
Intent intent_record_video = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
intent_record_video.putExtra(MediaStore.EXTRA_DURATION_LIMIT, 45);
Uri fileUri = FileProvider.getUriForFile(MainActivity.this, "com.example.cse535a1.provider", file_video);
// List resInfoList = getApplicationContext().getPackageManager().queryIntentActivities(intent_record_video, PackageManager.MATCH_DEFAULT_ONLY);
// for (ResolveInfo resolveInfo : resInfoList) {
// String packageName = resolveInfo.activityInfo.packageName;
// getApplicationContext().grantUriPermission(packageName, fileUri, Intent.FLAG_GRANT_WRITE_URI_PERMISSION | Intent.FLAG_GRANT_READ_URI_PERMISSION);
// }
intent_record_video.putExtra(MediaStore.EXTRA_OUTPUT, fileUri);
startActivityForResult(intent_record_video, VIDEO_CAPTURE);
QUESTION
I'm looking to call a function inside a UIKit UIViewController from a button managed by Swift UI
In my Swift UI View I have:
...ANSWER
Answered 2021-Jan-27 at 19:34There are probably multiple solutions to this problem, but one way or another, you'll need to find a way to keep a reference to or communicate with the UIViewController
. Because SwiftUI views themselves are pretty transient, you can't just store a reference in the view itself, because it could get recreated at any time.
Tools to use:
ObservableObject -- this will let you store data in a class instead of a struct and will make it easier to store references, connect data, etc
Coordinator -- in a
UIViewRepresentable
, you can use a Coordinator pattern which will allow you to store references to theUIViewController
and communicate with itCombine Publishers -- these are totally optional, but I've chosen to use them here since they're an easy way to move data around without too much boilerplate code.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install CameraView
You can use CameraView like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the CameraView component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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