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Activity indicator: add size prop #8935

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Activity indicator: add size prop #8935

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6ebcd81
Accept number for size prop on Android
fadils Jul 17, 2016
a86576d
Add examples with custom size number usage
fadils Jul 17, 2016
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15 changes: 14 additions & 1 deletion Examples/UIExplorer/js/ActivityIndicatorExample.js
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Original file line number Diff line number Diff line change
Expand Up @@ -113,8 +113,8 @@ exports.examples = [
return (
<ActivityIndicator
style={[styles.centering, styles.gray]}
color="white"
size="large"
color="white"
/>
);
}
Expand Down Expand Up @@ -161,8 +161,21 @@ exports.examples = [
);
}
},
{
platform: 'android',
title: 'Custom size (size: 75)',
render() {
return (
<ActivityIndicator
style={styles.centering}
size={75}
/>
);
}
},
];


const styles = StyleSheet.create({
centering: {
alignItems: 'center',
Expand Down
26 changes: 20 additions & 6 deletions Libraries/Components/ActivityIndicator/ActivityIndicator.js
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,15 @@ const requireNativeComponent = require('requireNativeComponent');

const GRAY = '#999999';

type IndicatorSize = number | 'small' | 'large';

type DefaultProps = {
animating: boolean;
color: any;
hidesWhenStopped: boolean;
size: IndicatorSize;
}

/**
* Displays a circular loading indicator.
*/
Expand All @@ -40,12 +49,12 @@ const ActivityIndicator = React.createClass({
*/
color: ColorPropType,
/**
* Size of the indicator. Small has a height of 20, large has a height of 36.
* Other sizes can be obtained using a scale transform.
* Size of the indicator (default is 'small').
* Passing a number to the size prop is only supported on Android.
*/
size: PropTypes.oneOf([
'small',
'large',
size: PropTypes.oneOfType([
PropTypes.oneOf([ 'small', 'large' ]),
PropTypes.number,
]),
/**
* Whether the indicator should hide when not animating (true by default).
Expand All @@ -55,7 +64,7 @@ const ActivityIndicator = React.createClass({
hidesWhenStopped: PropTypes.bool,
},

getDefaultProps() {
getDefaultProps(): DefaultProps {
return {
animating: true,
color: Platform.OS === 'ios' ? GRAY : undefined,
Expand All @@ -67,14 +76,19 @@ const ActivityIndicator = React.createClass({
render() {
const {onLayout, style, ...props} = this.props;
let sizeStyle;

switch (props.size) {
case 'small':
sizeStyle = styles.sizeSmall;
break;
case 'large':
sizeStyle = styles.sizeLarge;
break;
default:
sizeStyle = {height: props.size, width: props.size};
break;
}

return (
<View
onLayout={onLayout}
Expand Down