React Native Flexbox - How to Do Percentages || Columns || Responsive || Grid etc

React native flexbox - how to do percentages || columns || responsive || grid etc

React Native already has percentage support:

<View style={[style.parent]}>
    <View style={[style.child, {backgroundColor: '#996666'} ]} />
    <View style={[style.child, {backgroundColor: '#339966'} ]} />
    <View style={[style.child, {backgroundColor: '#996633'} ]} />
    <View style={[style.child, {backgroundColor: '#669933'} ]} />
</View>

var style = StyleSheet.create({
    parent: {
        width: '100%', 
        flexDirection: 'row', 
        flexWrap: 'wrap'
    },
    child: {
        width: '48%', 
        margin: '1%', 
        aspectRatio: 1,
    }
})

2 column layout with flexBox on React Native

It is possible if you use percentage values for the widths:

<View style={styles.container}>
  <View style={styles.item}>
    ...
  </View>
</View>

const styles = StyleSheet.create({
  container: {
    flex: 1,
    flexDirection: 'row',
    flexWrap: 'wrap',
    alignItems: 'flex-start' // if you want to fill rows left to right
  },
  item: {
    width: '50%' // is 50% of container width
  }
})

How to use marginTop when view wrap to next row?

add marginTop on Your Button and customButtons

 <Button style={{marginTop:5}} key={index}>{`${hour}:${minute}`}</Button>

Like this also add to customButton like <GrayButton/>

React Native - Vertical align image with resizeMode contain

Using resizeMethod="resize"

I've found a solution that doesn't requires any extra tags or tricks. Just one single prop.

Lore

I had the same issue because my image on remote is @3x the regular size. And once loaded on the phone with { height: 100, width: 300, resizeMode: 'contain' } styling values, it centered automatically.

Example

To fix it, I've just added the prop resizeMethod like the following :

<Image
  style={{ height: 100, width: 300, resizeMode: 'contain' }}
  source={{ uri: 'https://www.fillmurray.com/900/300' }}
  resizeMode="contain"
  resizeMethod="resize"
/>

TouchableOpacity does not work because it stays under another element's maskedView

I found the solution. Just adding pointerEvents="none" to MaskedView props worked like magic. It was written in the docs. Who knew, right.

Create common style classes for JSS in material-ui

Figured it out. For future viewers:

const styles = theme => ({
  ...card(theme),
  grid: {
    height: '100%',
    width: 'fit-content',
    paddingLeft: theme.spacing.unit * 2,
    paddingRight: theme.spacing.unit * 2,
    flexWrap: 'nowrap',
    overflowY: 'hidden',
  },
  name: {
    overflow: 'hidden',
    textOverflow: 'ellipsis',
    fontSize: '1.12rem',
    fontColor: theme.palette.text.main,
    [theme.breakpoints.down('sm')]: {
      fontSize: '0.9rem',
    }
  },
  state: {
    textOverflow: 'ellipsis',
    margin: '0 auto',
    marginTop: theme.spacing.unit / 2,
    fontSize: '1.0rem',
    fontColor: theme.palette.text.light,
    [theme.breakpoints.down('sm')]: {
      fontSize: '0.8rem',
    }
  },
  alarmArmedHome: {
    background: theme.palette.backgrounds.card.alarm.home,
  },
  alarmArmedAway: {
    background: theme.palette.backgrounds.card.alarm.away,
  },
  alarmTriggered: {
    background: theme.palette.backgrounds.card.alarm.triggered,
  },
  icon: {
    margin: '0 auto',
    color: theme.palette.text.icon,
    fontSize: '2.7rem',
    [theme.breakpoints.down('sm')]: {
      fontSize: '1.7rem',
    }
  },
});

card.js

const styles = (theme) => ({
  cardContainer: {
    position: 'relative',
    width: '50%',
    padding: theme.spacing.unit / 2,
  },
  cardOuter: {
    height: '100%',
    width: '100%',
    textAlign: 'start',
  },
  card: {
    width: '100%',
    background: theme.palette.backgrounds.card.off,
  },
  cardOn: {
    background: theme.palette.backgrounds.card.on,
  },
  cardUnavailable: {
    background: theme.palette.backgrounds.card.disabled,
  },
  cardContent: {
    display: 'flex',
    flexWrap: 'wrap',
    minHeight: 98,
    height: 98,
    [theme.breakpoints.down('sm')]: {
      minHeight: 74,
      height: 74,
    },
    padding: `${theme.spacing.unit * 1.5}px !important`,
  },
});

export default styles;

So you pretty much have to join the objects passing in the theme if required:

...card(theme),

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