B4A | RAD development tool for native Android apps
kandi X-RAY | B4A Summary
kandi X-RAY | B4A Summary
B4A is a RAD development tool for native Android apps: This repository includes most of B4A internal libraries source code. Currently we do not accept code contributions. Issues should be posted in the forum:
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Top functions reviewed by kandi - BETA
- Get the current token .
- Prints a character .
- Process the message data .
- Print a warning message .
- Executes the command line .
- Determines if the character is a valid XSLX file .
- Cleans up a Word2000 document .
- Decodes UTF8 bytes to char
- Creates the WebSocket handler .
- Fix duplicate attributes .
B4A Key Features
B4A Examples and Code Snippets
Community Discussions
Trending Discussions on B4A
QUESTION
Working on a menu where I want to close all sub navigations when clicking on another link with a sub navigation, it currently only collapses the sub navigation on the same level but not the deeper ones.
Example:
- Click on A1 > A2A > A3A > A4A
- Then click on B1
- Click on A1 again
- You see that A2A, A3A and A4A are still completely unfolded
ANSWER
Answered 2022-Mar-10 at 12:52before setiing the active one reomve all the other active.
QUESTION
curl -X POST
-H "X-Parse-Application-Id: ehUKQVObBspFk0MBFNSSg3MwLJofpeoFtDhQNIgS"
-H "X-Parse-REST-API-Key: 9HNNfwY6ITbUGqsfMSJS3OlQVqYfm5EAiZWVe012"
-H "Content-Type: application/json"
-d "{ "file_type":"A string","encryption_tool_id":"A string","user_id":"A string","query":"A string" }"
https://encyriptionapp.b4a.io/classes/UserFiles
ANSWER
Answered 2022-Feb-25 at 08:17val client = HttpClient(Apache) {}
client.post("https://encyriptionapp.b4a.io/classes/UserFiles") {
headers.append("X-Parse-Application-Id", "ehUKQVObBspFk0MBFNSSg3MwLJofpeoFtDhQNIgS")
headers.append("X-Parse-REST-API-Key", "9HNNfwY6ITbUGqsfMSJS3OlQVqYfm5EAiZWVe012")
contentType(ContentType.Application.Json)
body = """
{ "file_type":"A string","encryption_tool_id":"A string","user_id":"A string","query":"A string" }
""".trimIndent()
}
QUESTION
I am working on a navigation and now managed to open up deeper levels of a certain parent one by one on click but I have a hard time trying to figure out how to close all others when going into a another direction.
Let's say you have A1, A2A, A3A and A4A open and you click on B1, then I want A1A, A2A and A3A to close. But it also needs to work midway: let's say you have A1, A2A, A3A and A4A open but you click on A2B then A3A and A4A need to close.
...ANSWER
Answered 2022-Feb-24 at 17:40You just need the additional rule to remove the active class using closest
and not(this)
QUESTION
I just launched my first working Back4App application. This application is a React app with the React Router. To make it work, I did a npm run build
and uploaded all the files under the 'public' folder (found at Cloud Code).
Now everything is in place, I can go to the index page, that is https://[myapp].b4a.app, and everything works well. But when I go to a subpage and do a refresh, I stumble upon a 403 - {"error":"unauthorized"}
error.
I do understand this happens because the user tries to go where my app is not served. Normally I would put Nginx or something similar in the middle; so I could catch those requests and redirect them to the SPA.
But now, as I don't have control on the backend side at all, how can I make this work?
...ANSWER
Answered 2022-Jan-27 at 08:14Back4App uses Express, a Node.js web application framework, as a backend. Luckily for us, we can add a routing file ourselves. Just go to your Cloud Code section and add an app.js
file in the cloud folder:
The Routing & Single Page Application FAQ states:
To configure the routing to your SPA in Express, you should use the GET HTTP method to include an HTML file and in the response, we are going to deliver the index.html file to the browser.
It means you have the route all possible GET request to your index.html, except of the Back4App reserved paths (like 'login' and 'logout' for instance). A working basic file can also be found from the documentation:
QUESTION
Racking my brains over this.
I cannot get past this issue, my code is producing this error:
LiveQuery does not work, if there is no ParseConnectivityProvider provided.
I tried playing around with the liveQueryURL and no luck. The flutter docs have no concrete example on how to implement this url from the server. I assume from the javaScript video and docs that it's my custom subdomain I created such as customdomain.b4a.io which makes the final url 'wss://customdomain.b4a.io'.
I looked into "connectivityProvider:" arg for the Parse().initialize but found nothing concrete on implementing this.
This is a dart demo project only. Any help or ideas much appreciated!
EDIT: This post does not solve my problem at all. It's also very old.
Is it possible this isn't working because this is a dart program rather than flutter? Wouldn't imagine this being the case...
Code:
...ANSWER
Answered 2021-Sep-03 at 09:38Unfortunately parse live query in flutter dose not work with https server url. I faced this problem before and it mades me crazy! What I did was in the backend side of parse server, provide both http and https servers. And In client side in flutter just connect to the http server for live queries! And that works fine 😉
QUESTION
I'm trying to make a login method via Facebook using Back4App
and I've been following this instructions and I did everything as provided, but when I try to test this, it throws an error Status Code: 101
Error: Facebook auth is invalid for this user.
my code: (it's the same as the code provided in the example)
ANSWER
Answered 2021-Aug-15 at 20:06the code provided in back4app's documentation had a problem, you can find the right method for sending the information to the parse server in the package's documentation
before:
QUESTION
I'm using Shared Preference in my flutter app and I want to manage login token.
this is my Auth class :
...ANSWER
Answered 2021-Aug-10 at 12:07do something like this,
QUESTION
I have a flutter app and I'm using back4app.com and Parse RESTful api to register my users, I have read their docs about logging in users but I dont know how to pass my username and password in URL parameters as JSON encoded :
I tried this method:
...ANSWER
Answered 2021-Jun-18 at 12:13Remember one thing, Don't send your personal data in URL params like below
QUESTION
I want to Sign-Up my users with the help of back4app.com and Parse RESTful API in my flutter app ,
this is my method :
...ANSWER
Answered 2021-Jun-18 at 05:48If you are using back4app, the URL you are using is incorrect.
The endpoint for signing up users is this
https://Your_server_url/users
So in your case, it would be https://myshoppingapp.b4a.io/users
Also please remove the 'X-Parse-Revocable-Session' header and it's value value.
QUESTION
I am writing pipeline script (gitlab CI/CD).
A bit of my script
...ANSWER
Answered 2021-May-02 at 20:39Thank you Gerhard and ErikMD!
Both options work for me!
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install B4A
You can use B4A 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 B4A 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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