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How to align this text in the center of its parent flex item?

I have some react-native code, where I have a pop-up modal. I created it using flex, but for some reason the text will not vertically align. I solved it using top = 30%, but then my touchable opacities(surrounding the texts) do not span all of the free space available. And I feel this is a hacky solution.
Curious if there is a better one, to automatically align the text vertically and make sure the touchable opacities take up the free space available to them?
Below is my code:
<Modal
isVisible={confirmationVisible}
onBackdropPress={() => toggleConfirmation()}
style={styles.confirmationModal}
>
<Text style={styles.confirmationTitle}>Would you like to add a beacon to {assetName}?</Text>
<TouchableOpacity style={styles.confirmationContainer} onPress={() => navigateAway("AddAssetScreenFinish")}>
<Text style={styles.confirmationText}>No, I'm done</Text>
</TouchableOpacity>
<TouchableOpacity style={styles.confirmationContainer} onPress={() => navigateAway("AddBeaconExistingScreen")}>
<Text style={styles.confirmationText}>Yes, an existing Beacon</Text>
</TouchableOpacity>
<TouchableOpacity style={styles.confirmationContainer} onPress={() => navigateAway("AddBeaconScreen")}>
<Text style={styles.confirmationText}>Yes, a new Beacon</Text>
</TouchableOpacity>
</Modal>
Below is my styling:
confirmationModal: {
flex: 0.3,
width: "60%",
alignItems: "center",
justifyContent: "space-evenly",
backgroundColor: "white",
marginTop: "auto",
marginBottom: "auto",
marginLeft: "auto",
marginRight: "auto",
borderRadius: 8
},
confirmationTitle: {
fontWeight: "bold",
textAlign: "center",
margin: 5,
paddingLeft: 20,
paddingRight: 20
},
confirmationContainer: {
borderTopColor: "lightgrey",
borderTopWidth: 1,
width: "100%"
},
confirmationText: {
textAlign: "center",
color: COLORS.purple
},
Edit:
using this modal if curious
Also, have tried justifyContent on confirmationContainer but it does not work, unsure why
Edit2:
Got the solution. Seems flex is scaling the height and width had to be set manually for my text element. Removing the justifyContent and alignItems from a parent container, I was able to use textAlignVertical for my title and scale titleContainer vs touchableContainers with flex 2 and flex 1 respectively. Not sure what is going on, but the touchable now scales the whole free space and the text is aligned vertically...used AnthonyDev220's solution and reworked it so marked him as best answer, updated styles jsx did not change:
confirmationModal: {
flex: 0.3,
width: "60%",
backgroundColor: "white",
marginTop: "auto",
marginBottom: "auto",
marginLeft: "auto",
marginRight: "auto",
borderRadius: 8
},
confirmationTitle: {
fontWeight: "bold",
textAlign: "center",
textAlignVertical: "center",
flex: 2,
paddingLeft: 20,
paddingRight: 20
},
confirmationContainer: {
borderTopColor: "lightgrey",
borderTopWidth: 1,
flex: 1,
width: "100%"
},
confirmationText: {
marginTop: "auto",
marginBottom: "auto",
textAlign: "center",
color: COLORS.purple
},

You could try adding textAlignVertical: "center" to your confirmationText
or
Try wrapping your component inside a component and then style your componenet.
<TouchableOpacity style={styles.confirmationContainer} onPress={() => navigateAway("AddAssetScreenFinish")}>
<View style={{flex:1,justifyContent: "center",alignItems: "center"}}>
<Text style={styles.confirmationText}>No, I'm done</Text>
</TouchableOpacity>
</View>
same for your other two <Text> components.

confirmationContainer: {
display: flex,
justifyContent: center,
alignItems:center,
borderTopColor: "lightgrey",
borderTopWidth: 1,
width: "100%"
}

React Native line-through not centered

The strike through is not vertically centered.
My code is like this:
<Text style={{textDecorationLine: 'line-through', alignSelf: 'center', fontFamily: constants.FONTBOLD, color: constants.ORANGE, fontSize: 16}}>

well, we couldn't actually find a solution with the textDecoration property. But we did a work-around by placing absolutely a View. Like this (pseudo code)
const styles = StyleSheet.create({
parent: {
position: relative,
},
halfLine: {
width: "100%",
top: 0,
height: "35%",
borderBottomColor: "black",
borderBottomWidth: 1,
position: "absolute",
},
<View class={styles.parent}>
<View class={styles.halfLine} />
<Copy> $100 </Copy>
</View>```

Elevation not working suddenly after the modification in my react-native app content which worked before

I have used elevation property in my app it was working fine before but suddenly after few other changes the elevation not working.
styling i have used which worked fine before.
flexDirection: 'row',
backgroundColor: 'white',
height: hp('9%'),
alignItems: 'center',
borderRadius: wp('2%'),
marginBottom: hp('2%'),
marginLeft: wp('5%'),
elevation: 5, ```

You can try "position: 'relative'" under elevation on styles.
flexDirection: 'row',
backgroundColor: 'white',
height: hp('9%'),
alignItems: 'center',
borderRadius: wp('2%'),
marginBottom: hp('2%'),
marginLeft: wp('5%'),
elevation: 5,
position: 'relative',

place <Text> at middle and left end

I have a screen where I want to place the first, main text item (Filter)in the exact middle of the screen while the second item (All Delete) should be at the right end. Both of them should be in the same line.
I would prefer not to use padding/margins since they can vary in different phone sizes. I am already using text-align but it doesn't work for me.
export default function App() {
return (
<View style={styles.container}>
<View style={styles.topTextContainer}>
<Text style={styles.filterText}>Filter</Text>
<Text style={styles.deleteAllText}>All Delete</Text>
</View>
</View>
);
}
const styles = StyleSheet.create({
container: {
flex: 1,
},
topTextContainer: {
paddingTop: moderateScale(35),
flexDirection: 'row',
justifyContent: 'center',
alignItems: 'center',
},
filterText: {
fontSize: moderateScale(15),
fontWeight: 'bold',
textAlign: 'center'
},
deleteAllText: {
fontSize: moderateScale(13),
color: '#363636',
fontWeight: '300',
marginLeft: moderateScale(75),
},
});
Codesandbox: https://snack.expo.io/#nhammad/frowning-bagel

You can use a absolute position for the delete button and set right:0 like below.
deleteAllText: {
fontSize: moderateScale(13),
color: '#363636',
fontWeight: '300',
position: 'absolute',
right: 0
}
The other option is to use marginLeft:'auto' for the both the texts which can help but wont keep the first one in center.

With exact milld do you mean in the middle of the screen width and height like this:
const styles = StyleSheet.create({
container: {
flex: 1,
},
topTextContainer: {
paddingTop: moderateScale(35),
flexDirection: 'row',
justifyContent: 'center',
alignItems: 'center',
height: "100%"
},
filterText: {
fontSize: moderateScale(15),
fontWeight: 'bold',
textAlign: 'center'
},
deleteAllText: {
fontSize: moderateScale(13),
color: '#363636',
fontWeight: '300',
position: "absolute",
right: 0
//marginLeft: moderateScale(75),
},
});
If yes, you should set the height: "100%"
if you want to have it on the top middle than this should be the right approach:
const styles = StyleSheet.create({
container: {
flex: 1,
},
topTextContainer: {
paddingTop: moderateScale(35),
flexDirection: 'row',
justifyContent: 'center',
alignItems: 'center',
},
filterText: {
fontSize: moderateScale(15),
fontWeight: 'bold',
textAlign: 'center'
},
deleteAllText: {
fontSize: moderateScale(13),
color: '#363636',
fontWeight: '300',
position: "absolute",
right: 0
//marginLeft: moderateScale(75),
},
});
setting deleteAllText position: absolute and right: 0

React Native: Why doesn't <TextInput/> center with flexbox?

In React Native, I have a <TextInput/> but with flexbox style set to center it, yet it still does not and rather just sits to the left but only vertically centered. I tested it out with simple <Text/> and it centers correctly.
How can I center <TextInput/> with flexbox?
Here is the code:
render() {
return (
<View style={{alignItems: 'center', justifyContent: 'center', flex: 1, }}>
<TextInput
style={{fontWeight: 'bold', height: 18, color: 'red'}}
placeholderStyle={{fontWeight: 'bold'}}
placeholderTextColor='red'
placeholder='Center Me'
/>
</View>
)
}
}
Thank you in advance!
EDIT - with additional styles added
<View style=style={{alignItems: 'center', justifyContent: 'center', flex: 1,}}>
<TextInput
onChangeText={this._handleName}
value={this.props.name}
placeholderTextColor='white'
placeholder='Put in name'
style={{
backgroundColor: 'black',
borderWidth: 0,
borderRadius: 15,
width: 250,
height: 70,
fontFamily: 'Roboto',
fontSize: 20,
textAlign: 'center',
}}
/>
</View>

Add textAlign: 'center' to your TextInput component.
style={{fontWeight: 'bold', height: 18, color: 'red', textAlign: 'center'}}
The actual element is center aligned, but textAlign controls the alignment of the inner text and placeholder.
The result of adding the change to your code