qr-code | Create QR codes - | QRCode Processing library
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kandi X-RAY | qr-code Summary
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QUESTION
I've been trying to fix this for weeks but failed, when I click on login (indicated with the id "lin") to open a new activity the app crash, i don't know if it's a problem with the Intent or something else, here is the code. The manifest should be ok so I think it's a problem in the MainActivity with Intent ab. The other activity is called Qrcode. I tried to change appcompatactivty to activity but didn't work, i don't really know what to do.
Edit: I posted the code of the qrcode activity, i got it from the answers of this question : Android, How to read QR code in my application?, only for educational purpose of course.
Edit 2: logcat posted, sorry for any issues with asking this question, it's the first question i ask here.
Logcat
...ANSWER
Answered 2021-Jun-03 at 17:42ur code in MainActivity seems ok and I think don't have any problem. In my opinion your Qrcode Activity has some bugs in it, like onCreate method, you should see the Logcat logs in android Studio, btw u can attach the Qrcode activity codes here, it is really helpful. another way to find the bug is by using the try-catch in your code and log the exception
QUESTION
I am using the library https://github.com/felipenmoura/qr-code-scanner
to implement scanning of the QR codes. I am facing two problems -
- Google chrome throws the following error whenever I click the button to trigger. The library works fine on Safari.
Uncaught (in promise) OverconstrainedError {name: "OverconstrainedError", message: "", constraint: "facingMode"}constraint: "facingMode"message: ""name: "OverconstrainedError"__proto__: OverconstrainedError
- The camera feed doesn't work for mobile phones (both safari and chrome). It opens the camera, and doesn't show the live feed, instead it keeps on showing a static image
I am not sure if this is the best library for QR code scanning. My aim is to implement a button that triggers the camera, scans QR,enter image description here and puts the scanned string into the input field.
My code is -
...ANSWER
Answered 2021-May-31 at 20:53For anyone who is still looking for an answer to the best library for QR code scanning-
I found this library ScanThng to be pretty decent in terms of image scanning, camera feed scanning, etc.
QUESTION
I am using endroid/qr-code https://github.com/endroid/qr-code
to generate QrCode.
Now I need to send this QR to my email too.
I have used following codes:
...ANSWER
Answered 2021-May-28 at 12:09Support for Embedding images with Data URI in Emails is still not optimal and many email clients don't support it at all.
See this analysis from Campaign Monitor showing many clients not rendering the Data URI image.
I strongly suggest you to upload the QR code somewhere and then link it as a normal image.
If your services are hosted on AWS, you can use S3.
Otherwise you can use free services but I don't have any experience with them. This is the first result I found: https://apidocs.imgur.com/
PS: Just adding that you might be missing some double quotes as well in your code.
QUESTION
While running the Pimcore6.9 along with the symfony4.4 I had spotted some warnings:
...The MimetypeGuesser is depricated since symfony4.3 use MimeTypes instead.
ANSWER
Answered 2021-May-21 at 16:23Your composer.json
already lists symfony/symfony
as a required package. This contains symfony/mime
- as long as you are using Symfony v4.3 or later. The MIME component did not exist before that.
QUESTION
Intergrate this for https://rapidapi.com/qrcode-monkey/api/custom-qr-code-with-logo
For this code
const express = require('express'); const http = require("https");
const router = express.Router();
router.post('/',async (req,res)=>{
console.log("req",req.body);
return res.sendStatus(200);
});
module.exports = router;
...ANSWER
Answered 2021-May-13 at 19:34I'm not sure the question you're asking here.
My guess is that you're trying to interact with the qrcode-monkey
API using express.js?
If that's true, following the qrcode-monkey API documentation you'll have to invoke (in this case) express to issue either a GET
or POST
request to the correct end point /qr/transparent
with the required data both in the request body and head. this is documented in the link you provided
since you're doing this via express it's I assume you're going to be passing the URL that the qr code points to via your endpoint then to the 3rd party API. This might looking something like this.
QUESTION
I want to do similar think like this ( How to generate QR CODE with logo in flutter ) but instead of using asset image, I want to user pick an image with image_picker package and then store that image in file and use it in QR code as an embedded image. Please anyone help me out.
Thank You
...ANSWER
Answered 2021-May-13 at 17:28Well The Thing you want to achieve has some boilerplate code involved so I would break it down into 2 brief steps:
Step 1: Pick Image as a File using image picker plugin that is, simply store image as File you can achieve it using:
QUESTION
In our App we use a tab navigation and a stack navigation for each tab. We want an array of devices where we could add and delete devices. The array should be available on every tab.
This is our provider
...ANSWER
Answered 2021-May-10 at 18:46to update context from nested component you must pass the methode setDevices
tha will update it.
to pass it do the following steps :
your context shoud be
QUESTION
I'm trying to create a simple html program that generates QR using external API. Basically, the JS creates QR for data supplied in field. eg: Data to be supplied for QR is :
...ANSWER
Answered 2021-May-09 at 15:41You didn't specify exactly the problem but I think you have problem with prepariation the data to pass it to the url.
You can correct your acqr
declaration with string templates similar to how you used them later in your code:
QUESTION
For an academy project I have to find parts of a object (location / angle relative to the object ). The object is marked with a QR-code.
Currently I'm stuck on the basics. I scanned a room and load this room with "Spatial Object Mesh Observer".
But this observer gives no relevant information: The observer does not attempt to find 3D model LODs when sending the meshes to the application.
Someone a hint where I could start?
Scanned Room with a box ( object to find ):
...ANSWER
Answered 2021-Apr-29 at 15:30From our understanding, you can't obtain the vertices and triangles property of Spatial Mesh at the runtime. So, we try to make some modifications based on the SpatialAwarenessMeshDemo
scene (Assets/MRTK/Examples/Demos/SpatialAwareness/Scenes) to reproduce this issue. We added the following code to the ToggleObservers()
method and made it to be invoked when the sphere is clicked.
QUESTION
Friends, I need to redirect an URL (which doen't exist in the blog anymore) to another one in the same blog. How could I do this with the help of .htaccess?
The problem is that we have a printed QR-Code which leads people to this old URL which was in our old blog. We have another one now, using the same subdomain. Any idea?
From
...ANSWER
Answered 2021-Apr-28 at 17:42You can not use full URL in the pattern of Redirect
. You can only use URL path :
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