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index.js
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index.js
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import React from 'react';
import PropTypes from 'prop-types';
import { Image, ImageBackground, ActivityIndicator, View } from 'react-native';
class ImageLoad extends React.Component {
static propTypes = {
isShowActivity: PropTypes.bool,
};
static defaultProps = {
isShowActivity: true,
};
constructor(props) {
super(props);
this.state = {
isLoaded: false,
isError: false
};
}
onLoadStart() {
this.setState({
isError: false,
isLoaded: false
})
}
onLoadEnd(){
this.setState({
isLoaded: true
});
}
onError(){
this.setState({
isError: true
});
}
render() {
const {
style, source, resizeMode, borderRadius, backgroundColor, children,
loadingStyle, placeholderSource, placeholderStyle,
customImagePlaceholderDefaultStyle
} = this.props;
return(
<ImageBackground
onLoadEnd={this.onLoadEnd.bind(this)}
onError={this.onError.bind(this)}
onLoadStart={this.onLoadStart.bind(this)}
style={[styles.backgroundImage, style]}
source={source}
resizeMode={resizeMode}
borderRadius={borderRadius}
>
{
(this.state.isLoaded && !this.state.isError) ? children :
<View
style={[styles.viewImageStyles, { borderRadius: borderRadius }, backgroundColor ? { backgroundColor: backgroundColor } : {}]}
>
{
(this.props.isShowActivity && !this.state.isError) &&
<ActivityIndicator
style={styles.activityIndicator}
size={loadingStyle ? loadingStyle.size : 'small'}
color={loadingStyle ? loadingStyle.color : 'gray'}
/>
}
<Image
style={placeholderStyle ? placeholderStyle : [styles.imagePlaceholderStyles, customImagePlaceholderDefaultStyle]}
source={placeholderSource ? placeholderSource : require('./Images/empty-image.png')}
>
</Image>
</View>
}
{
this.props.children &&
<View style={styles.viewChildrenStyles}>
{
this.props.children
}
</View>
}
</ImageBackground>
);
}
}
const styles = {
backgroundImage: {
position: 'relative',
},
activityIndicator: {
position: 'absolute',
margin: 'auto',
zIndex: 9,
},
viewImageStyles: {
flex: 1,
backgroundColor: '#e9eef1',
justifyContent: 'center',
alignItems: 'center'
},
imagePlaceholderStyles: {
width: 100,
height: 100,
resizeMode: 'contain',
justifyContent: 'center',
alignItems: 'center'
},
viewChildrenStyles: {
top: 0,
left: 0,
right: 0,
bottom: 0,
position: 'absolute',
backgroundColor: 'transparent'
}
}
export default ImageLoad;