react-native-barcode | (根据githubcom/react-native-component/react-native-smart-barcode 进行修改) | Barcode Processing library
kandi X-RAY | react-native-barcode Summary
kandi X-RAY | react-native-barcode Summary
(根据github.com/react-native-component/react-native-smart-barcode 进行修改)
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Top functions reviewed by kandi - BETA
- Handles auto - focus messages
- Handle decoding
- Starts the preview and saves the camera
- Returns the hardware service
- Returns null if no such method exists
- Look up a class by name
- Decode a JSON image
- Encode a YUV420sp
- Handle touch events
- Track touch event
- Draw the image
- Called when a view is added to the viewfinder view
- Set the width of a LinearGradientView
- Run the worker thread
- Called when a surface is available
- Send message to RN
- Returns a copy of this image
- Get row
- Override to customize the behavior of the LinearGradientView
- Called when a preview frame is received
- Set the size of a LinearGradientView
- Called when auto - focus is received
- Sets the bar code types
- Sets the text inside the capture view
- Create a CaptureView instance
- Set the zoom level
react-native-barcode Key Features
react-native-barcode Examples and Code Snippets
Community Discussions
Trending Discussions on react-native-barcode
QUESTION
I'm trying to run my react native app on my usb connected android device. Yesterday it worked perfectly, but today, without changing anything, npx react-native run-android
command fails with this error ('.../android/app/build.gradle'):
A problem occurred evaluating project ':app'.
Could not create task ':app:copyDownloadableDepsToLibs'.
Could not create task of type 'Copy'. org/gradle/api/internal/file/copy/DefaultCopySpec
My attempt of cd android
and then ./gradlew clean
also failed with the same error. I tried to delete the build folder, I also ran npm install
but no success.
Here is my ...android/app/build.gradle file:
...ANSWER
Answered 2020-Mar-28 at 10:53mm yes.. npx react-native run-android
worked after following these steps:
- restarting the laptop (even though it had just been powered on)
cd android
./gradlew clean
(worked after restart...)
seems like the simple old ways do worth a try once in a while
QUESTION
Actually i'm new to React and i'm trying to make a simple barcode scanner which show the scanned barcode in an alert and after pressing "OK" in the alert the user should be able to scan another barcode.
The issue is that the barcode is continuously scanned and when the alert is up it's hiding and showing every second the alert.
I was trying to do something like this to show the alert only once and if OK is pressed to be able to show again the alert but only in case the OK is pressed but that had no effect..
...ANSWER
Answered 2019-Oct-08 at 12:15use setState in order to set state of component.setState will take the object and update the state of component
check code below
QUESTION
I'm currently building a React Native Mobile Apps
and need to generate a barcode
based on some numbers.
Is there any working libraries that I can use?
- I have tried the
react-native-barcode-builder
(source: https://www.npmjs.com/package/react-native-barcode-builder). But that's no use because I'm unable to link thereact art
. There is noART.xcodeproj
in node-module directory - I have tried the
react-native-1d-barcode
(source: https://www.npmjs.com/package/react-native-1d-barcodes) but it always get an error aboutWebView
that's no longer supported in React-Native
Please tell me if there is any solution that I can use.
...ANSWER
Answered 2019-Oct-09 at 07:49Actually Art library is moved from react native package to react native community/art
After install art library ART.xcodeproj is located in path node_modules/@react-native-community/art/ios/
QUESTION
I have tried all of the things in the Github issue, in the error description and in this question, to no avail.
Here is my package.json:
...ANSWER
Answered 2017-Dec-30 at 10:01Move into your Project folder :
- rm -rf node_modules
- npm install
- Inside package.json. Check if all the modules are present.
- react-native start --reset-cache
QUESTION
I'm creating an application using react-native. So far I have implemented a few modules like react-native-camera
and react-native-maps
.
Everything was working fine until I tried to implement react-native-push-notification
.
I followed their implementation using this tutorial, but now, even though the app builds succesfully, it crashes on start up.
This is my logcat (It's actually cropped 'cause it wouldn't fit here)
...ANSWER
Answered 2018-Nov-20 at 14:07Do this may help you :
QUESTION
In my react-native project I'd like to generate barcode from given value. I found react-native-barcode-builder but I don't know how to use this library in android correctly. I've already install by npm install --save react-native-barcode-builder
but when I want to import library in project I have following error:
undefined is not an object (evaluating 'undefined.hex')
I think I should link this library by react-native link
but it doesn't change anything. Every sample is for Xcode, but I developing on Windows in WebStorm. Can anyone tell me how to correctly use this library?
This is my code:
...ANSWER
Answered 2018-Feb-15 at 08:37Here you've got the answer: https://devhub.io/repos/wonsikin-react-native-barcode-builder
Before use react-native-barcode-builder run: npm install react-native-svg --save && react-native link react-native-svg
and it should works.
QUESTION
ANSWER
Answered 2017-Sep-20 at 17:56All of react-native-firebase
and google-play-services versions must be the same inside android/app/build.gradle
!
Android studio provides great tips on this.
QUESTION
React native app acting up again when trying to build release apk for android.
Here's the error:
...ANSWER
Answered 2017-Sep-20 at 17:54It was a problem in react-native-firebase
. It had a duplicate dependency in it's android/build.gradle
.
Monkey patch: Just open node_modules/react-native-firebase/android/build.gradle
scroll down till you see dependencies and remove the duplicates.
Thanks!
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install react-native-barcode
You can use react-native-barcode 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 react-native-barcode 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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