as the doc says: ellipsizemode props defines how text will be truncated. in my case, i want to show a expand button instead of ellipsis glyph, and i could expand the text to show all of them by press the button.
so i want to figure out how numberOfLines actually works in Text component in react-native. then i could archive this, anyone could help?
It will show your content in <Text> component which is fitted in those numberOfLines.
With output you are expecting or want to perform, you can use dynamic numberOfLines using state.
Just have that state variable default value of lineNumbers and change it when pressing on button or any other component.
this.state = {
lineNumbers: 2
}
This indicates your numberOfLines will be default 2, and once user press on button or read more
this.setState({lineNumbers: null})
It will show whole content.
<Text numberOfLines={this.state.lineNumbers}>
Related
I want to create a textfield using react mui textfield. But when I add the multiline prop it gives two boxes with border. how to remove the inner box margin
I tried several css and styling options but didn't work
The issue you're encountering is likely due to the default styling of the TextField component in Material-UI.
One solution to remove the inner margin of the TextField is to use the sx prop to override the default styles.
Documentation on how to use sx prop: https://mui.com/system/getting-started/the-sx-prop/
Example below:
<TextField
multiline
sx={{ p: 0, m: 0 }}
/>
Well, i'm importing a header component where I build my title, subtitle, and top buttons.
I want to import the title, but with a small change on its style, just changing the color to yellow.
How could I change just the color style of title, without touching the other props, or making a new prop in the component?
https://i.stack.imgur.com/oCDpR.png
PS: My first post, I don't know how to paste the img pretty well.
this is the code:
<SimpleHeader
style={styles.header}
title='¡Hola Celia!' /* Yellow color*/
subtitle='¿Qué te lavamos hoy?'
/>
I'm not gonna be able to be exact unless you share the SimpleHeader component but this logic should work for you:
In the SimpleHeader component, add a prop called titleColor and pass it to the text:
<Text title style={[styles.title, {color:props.titleColor}]}>{title}
Pass that extra titleColor prop from the main component:
<SimpleHeader
style={styles.header}
title='¡Hola Celia!' /* Yellow color*/
subtitle='¿Qué te lavamos hoy?'
titleColor='yellow'
/>
I currently have a modal where the user can pick from a large flatlist of icons. All have size: '45' and color: 'white'. When a user selects an icon, the modal is closed and their selected icon appears on the card (this feature is one that allows the user to create a custom card).
I then have a feature that allows the user to change the line colour from white to black and visa versa on the card to contrast with their selected background colour. I would also like the colour of the icon to change with the lines, but I cannot find a solution! The icon object itself is read-only and using a StyleSheet seems to only apply styles when it is referenced within the original call like:
<FontAwesomeIcon icon={archive} style = {styles.text} />
I can't seem to wrap it in a styled view and then change the style from there.
Any ideas on how to alter the colour? And the size while I'm asking?
You can make state like this :
const [style,setStyle]=useState()
You change state with user color, and apply it to your FontAwesome icon
<FontAwesomeIcon icon={archive} style = {style} />
Thanks for the answers! I ended up creating a library to reference and just passed the library prefix (fab, far, fas) and the icon name (coffee, archive, wifi). Then used:
<FontAwesomeIcon icon={[icon.props.icon[0], icon.props.icon[1]]} style ={blabla} size = {blabla} />
Meaning I can now manipulate the size and colour wherever I want! Very handy.
I'm having trouble force focussing a react native TextInput field.
It's focused when the page loads with autofocus={true}.
But after blurring I would need to press the text input field, but that's hidden because of design reasons. Is there a way to document.getElementById("myText").focus(); in react native that I can call after onBlur()?
Cheers.
You need to assign the TextInput field to a ref like this:
<TextInput ref={ref => (this.ref = ref)} />
Then you can programmatically focus it by running focus() on it, like so:
this.ref.focus();
Here's a little Snack where I run the focus/blur function when pressing a button:
https://snack.expo.io/#marcelkalveram/auto-focus-input-field-using-ref
It should be easy to replicate this for your navigation scenario.
In case you're using react-navigation, this is the part of the docs you'll be interested in: https://reactnavigation.org/docs/en/navigation-prop.html#addlistener-subscribe-to-updates-to-navigation-lifecycle
I am using Tcomb Form Native for forms and putting auto tag for placeholder in the options. However I would like to change the style for the text displayed. Is it possible to change that ?
var options = {
auto: 'placeholders',
};
<TextInput/> takes a prop of placeholderTextColor additionally the placeholder text should inherit whatever styles you put on the TextInput see the following example here: https://rnplay.org/apps/Yyfuag