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QUESTION
I am trying to make a to do list using React Native. How can I delete multiple items in FlatList all the items that has the state of completed: true
with a TouchableOpacity(acting like a button). I do not know what methods I should put in function deleteCompleteTodo()
ANSWER
Answered 2021-Jun-13 at 03:28You can use filter
to delete multy items:
QUESTION
I am new to node/npm
, react
and react-native
so very new to react-native-web
as well. It's been 3 days for me to integrate react-native-web
in a Hello World App generated using npx react-native init
as per the doc. I tried using both templates: with and without typescript, but no success so far. The farthest I got is to run the app code written in index.web.js
but if I add any component from ./src/components/
then I get errors, mostly of webpack.
I created a test repo for easy regeneration of error, So Steps to reproduce are as below:
- Download this repo in your system.
npm install
npm run web
Now you'll see the error in the terminal.
Versions:
- metro-react-native-babel-preset: 0.66.0
- node: 16.3.0
- npm: 7.8.0
- OS: Windows 10 - 64 bit
I followed official documentation but with webpack@^4
and referred this article and somehow managed to reach the below situation:
- Webpage is getting rendered if my whole code is inside
index.web.js
. - But when I import
App
inside this then I get compilation failed due to loader error.
Working index.web.js
:
ANSWER
Answered 2021-Jun-12 at 15:49Finally, It's been resolved, my Hello World is done.
These 2 replies from the maintainer himself (@necolas) on this discussion helped me to get the issue.
Reply 1 by @necolas This line in the stack trace is telling you that you're trying to bundle RN internal code in your web bundle: node_modules/react-native/Libraries/NewAppScreen/index.js.
First, you should not be loading any of the RN package on web, especially not parts that aren't part of the public API . Second, as mentioned in the inline comments of the config you pasted above, you need to explicitly list everything in node_modules that needs compiling.
Reply 2 by @necolas
QUESTION
How do you import and customize bootstrap via SASS variables?
We all use @import
, which works well but is deprecated, like this:
ANSWER
Answered 2021-Mar-05 at 20:29I have read the following page: Introduction to SASS
The conculsion is that:
- The use of @use is preferred.
- The code is much cleaner, since @use loaded files will only load once.
- The below
customBootstrap.scss
can then be imported into your mainindex.scss
file, since bootstrap will be forwarded only by using@forward
and cannot be used locally incustomBootstrap.scss
.
The code looks like this:
QUESTION
I am making use of bottom navigation in React Native and I have a header which is supposed to show on which screen I am at the moment. I am not sure how to change that text on Tab Bar press. I tried making use of onPress event but seems like it does not work.
Here is my code:
...ANSWER
Answered 2021-May-01 at 14:15you can nest your tab navigator in a screen navigator.
You can change the title of your screen navigator header in function of the name of your active screen.
for more information read this.
QUESTION
I hope you're doing okay
I'm experiencing something weird with my react-native project, The FlatList items in some of the pages aren't displayed, even though I can see them when I console.log(json.items).
Earlier today, everything worked fine. all the pages displayed their lists as they should on my device. then I started working on a new search page on snack & I added status bar, I tested and it worked on snack before adding the new code and creating the new files in my app.
The issue I'm having now is, the list on the first page is displayed, subsequent pages after that do not show list items. including the new search page that works on snack
I'll go ahead and post my code now, the first set is for the page whose listitems are displayed correctly:
App.js
...ANSWER
Answered 2021-Apr-28 at 01:46I think you don't really understand lifecycle methods of a React Component. It's important to understand those concepts before jumping into code. You can check here
When you put your fetch call in render
, and on then you do a setState()
you are making this infinitely. This happens because you are always providing new values to items
.
The ideal is to have a model layer to handle those type of calls, but this is an architecture thing, to be less complex, you can use Container/Presentation pattern.
In the Container/Presentation pattern, you have a ContainerComponent which is responsible to do requests, handle callbacks, and provide data to the Presentation component, which would be responsible to just render things.
If you don't want to use this pattern, at least put this fetch call in componentDidMount
method.
QUESTION
I'm a beginner and wanted to add one button that I saw on YouTube, the author left a link to the codepen, I went in and copied all the code from there, and pasted it into my project in visual studio code, but the html code looked strange and didn't work at all. [Link to the Codepen page][1]
...ANSWER
Answered 2021-Apr-23 at 17:04Looks like Jade, not HTML. It's very easy to convert, just add arrow brackets and closing tags div(class="whatever")
is
QUESTION
How to stretch the content of the card so it has 100% width. For example I want the red paragraph to touch the edges horizontally so there won't be yellow space on the right and left. In other words I would like to remove the padding from the cad content so there will be no yellow shown.
Here is my code:
...ANSWER
Answered 2021-Apr-17 at 19:43You can add paddingHorizontal: 0
in your menuItemBody
styles object, i.e. the styles that apply to the Card.Content
component.
The CardContent
component apparently sets 16
horizontal padding by default.
QUESTION
So I am trying to send form data using fetch API in React Native. I am new to React Native. I have worked with React JS and used fetch library to send data I am using it now to send data in Native Expo but I am unable to send data I receive nothing in return.
Front end code:
...ANSWER
Answered 2021-Apr-11 at 18:32I don't think it's needed to convert the JSON object into a string with stringify. Try to remove the stringfy function and use bodyParser on your server. that way you sending an actual object and destruct the data from it as excepted
QUESTION
I am beginner at React Native so I am using Expo and trying to add React Navigation Bar. I am keeping on getting this error however I am exporting App.js
...ANSWER
Answered 2021-Apr-11 at 11:55This should work
Replace App.js
with following code :
QUESTION
i gave each div containing a slide of my slider a property position of value absolute and it hides elements following it.
basically i created a main tag with a section tag for the slider and another for the features section now because i gave position: absolute
to the div with class slide the features section is invisible as it is hidden behind the slider section.
how can i fix this so that i can add other sections to my page and they appear properly following each other and not stacked or hiding behind each other like this.
please let me know if i don't get the real reason why this problem happened.
ANSWER
Answered 2021-Apr-02 at 18:00add this
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