packages/rn-tester/js/examples/Image/ImageExample.js - main - githubmr/facebook-react-native

packages/rn-tester/js/examples/Image/ImageExample.js
1 739 строк48 KB
Mateo Guzmán
Unify RNTester Cache Policy Image example (#51580)
31 май 2025, 23:13
31 май 2025, 23:13d3d92b9
/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow strict-local
 * @format
 */

'use strict';

import type {RNTesterModuleExample} from '../../types/RNTesterTypes';
import type {ImageProps, LayoutChangeEvent} from 'react-native';

import RNTesterButton from '../../components/RNTesterButton';
import RNTesterText from '../../components/RNTesterText';
import ImageCapInsetsExample from './ImageCapInsetsExample';
import React from 'react';
import {useEffect, useState} from 'react';
import {Image, ImageBackground, StyleSheet, Text, View} from 'react-native';

const IMAGE1 =
  'https://www.facebook.com/assets/fb_lite_messaging/E2EE-settings@3x.png';
const IMAGE2 =
  'https://www.facebook.com/ar_effect/external_textures/648609739826677.png';

const base64Icon =
  'data:image/png;base64,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';
const IMAGE_PREFETCH_URL = `${IMAGE1}?r=1&t=${Date.now()}`;
const prefetchTask = Image.prefetch(IMAGE_PREFETCH_URL);

type ImageSource = $ReadOnly<{
  uri: string,
}>;

type BlobImageProps = $ReadOnly<{
  url: string,
}>;

const BlobImage = ({url}: BlobImageProps): React.Node => {
  const [objectURL, setObjectURL] = useState<?string>(null);

  useEffect(() => {
    // $FlowFixMe[unused-promise]
    (async () => {
      const result = await fetch(url);
      const blob = await result.blob();
      setObjectURL(URL.createObjectURL(blob));
    })();
  }, [url]);

  return objectURL !== null ? (
    <Image source={{uri: objectURL}} style={styles.base} />
  ) : (
    <Text>Object URL not created yet</Text>
  );
};

type BlobImageExampleState = {};

type BlobImageExampleProps = $ReadOnly<{
  urls: string[],
}>;

class BlobImageExample extends React.Component<
  BlobImageExampleProps,
  BlobImageExampleState,
> {
  render(): React.Node {
    return (
      <View style={styles.horizontal}>
        {this.props.urls.map(url => (
          <BlobImage key={url} url={url} />
        ))}
      </View>
    );
  }
}

type NetworkImageCallbackExampleProps = $ReadOnly<{
  source: ImageSource,
  prefetchedSource: ImageSource,
}>;

const NetworkImageCallbackExample = ({
  source,
  prefetchedSource,
}: NetworkImageCallbackExampleProps): React.Node => {
  const [events, setEvents] = useState<$ReadOnlyArray<string>>([]);
  const [startLoadPrefetched, setStartLoadPrefetched] = useState(false);
  const [mountTime, setMountTime] = useState(Date.now());

  useEffect(() => {
    setMountTime(Date.now());
  }, []);

  const _loadEventFired = (event: string) => {
    setEvents(state => [...state, event]);
  };

  return (
    <View>
      <Image
        source={source}
        style={[styles.base, styles.visibleOverflow]}
        onError={event => {
          _loadEventFired(
            `✘ onError "${event.nativeEvent.error}" (+${Date.now() - mountTime}ms)`,
          );
        }}
        onLoadStart={() =>
          _loadEventFired(`✔ onLoadStart (+${Date.now() - mountTime}ms)`)
        }
        onProgress={event => {
          const {loaded, total} = event.nativeEvent;
          const percent = Math.round((loaded / total) * 100);
          _loadEventFired(
            `✔ onProgress ${percent}% (+${Date.now() - mountTime}ms)`,
          );
        }}
        onLoad={event => {
          if (event.nativeEvent.source) {
            const url = event.nativeEvent.source.uri;
            _loadEventFired(
              `✔ onLoad (+${Date.now() - mountTime}ms) for URL ${url}`,
            );
          } else {
            _loadEventFired(`✔ onLoad (+${Date.now() - mountTime}ms)`);
          }
        }}
        onLoadEnd={() => {
          _loadEventFired(`✔ onLoadEnd (+${Date.now() - mountTime}ms)`);
          setStartLoadPrefetched(true);
          prefetchTask.then(
            () => {
              _loadEventFired(`✔ prefetch OK (+${Date.now() - mountTime}ms)`);
              // $FlowFixMe[unused-promise]
              Image.queryCache([IMAGE_PREFETCH_URL]).then(map => {
                const result = map[IMAGE_PREFETCH_URL];
                if (result) {
                  _loadEventFired(
                    `✔ queryCache "${result}" (+${Date.now() - mountTime}ms)`,
                  );
                } else {
                  _loadEventFired(
                    `✘ queryCache (+${Date.now() - mountTime}ms)`,
                  );
                }
              });
            },
            error => {
              _loadEventFired(
                `✘ prefetch failed (+${Date.now() - mountTime}ms)`,
              );
            },
          );
        }}
      />
      {startLoadPrefetched && (
        <Image
          source={prefetchedSource}
          style={[styles.base, styles.visibleOverflow]}
          onLoadStart={() =>
            _loadEventFired(
              `✔ (prefetched) onLoadStart (+${Date.now() - mountTime}ms)`,
            )
          }
          onLoad={event => {
            if (event.nativeEvent.source) {
              const url = event.nativeEvent.source.uri;
              _loadEventFired(
                `✔ (prefetched) onLoad (+${
                  Date.now() - mountTime
                }ms) for URL ${url}`,
              );
            } else {
              _loadEventFired(
                `✔ (prefetched) onLoad (+${Date.now() - mountTime}ms)`,
              );
            }
          }}
          onLoadEnd={() =>
            _loadEventFired(
              `✔ (prefetched) onLoadEnd (+${Date.now() - mountTime}ms)`,
            )
          }
        />
      )}
      <RNTesterText style={styles.networkImageText}>
        {events.join('\n')}
      </RNTesterText>
    </View>
  );
};

type NetworkImageExampleState = {
  error: ?string,
  loading: boolean,
  progress: $ReadOnlyArray<number>,
};

class NetworkImageExample extends React.Component<
  ImageProps,
  NetworkImageExampleState,
> {
  state: NetworkImageExampleState = {
    error: null,
    loading: false,
    progress: [],
  };

  render(): React.Node {
    return this.state.error != null ? (
      <RNTesterText variant="label">{this.state.error}</RNTesterText>
    ) : (
      <>
        <Image
          {...this.props}
          style={[styles.base, styles.visibleOverflow]}
          onLoadStart={e => this.setState({loading: true})}
          onError={e =>
            this.setState({error: e.nativeEvent.error, loading: false})
          }
          onProgress={e => {
            const {loaded, total} = e.nativeEvent;
            this.setState(prevState => ({
              progress: [
                ...prevState.progress,
                Math.round((100 * loaded) / total),
              ],
            }));
          }}
          onLoad={() => this.setState({loading: false, error: null})}
        />
        <RNTesterText variant="label">
          Progress:{' '}
          {this.state.progress.map(progress => `${progress}%`).join('\n')}
        </RNTesterText>
      </>
    );
  }
}

type ImageSizeExampleState = {
  width: number,
  height: number,
};

type ImageSizeExampleProps = $ReadOnly<{
  source: ImageSource,
}>;

class ImageSizeExample extends React.Component<
  ImageSizeExampleProps,
  ImageSizeExampleState,
> {
  state: ImageSizeExampleState = {
    width: 0,
    height: 0,
  };

  componentDidMount() {
    Image.getSize(this.props.source.uri, (width, height) => {
      this.setState({width, height});
    });
  }

  render(): React.Node {
    return (
      <View style={styles.flexRow}>
        <Image style={styles.imageSizeExample} source={this.props.source} />
        <RNTesterText>
          Actual dimensions:{'\n'}
          Width: {this.state.width}, Height: {this.state.height}
        </RNTesterText>
      </View>
    );
  }
}

type MultipleSourcesExampleState = {
  width: number,
  height: number,
};

type MultipleSourcesExampleProps = $ReadOnly<{}>;

class MultipleSourcesExample extends React.Component<
  MultipleSourcesExampleProps,
  MultipleSourcesExampleState,
> {
  state: MultipleSourcesExampleState = {
    width: 30,
    height: 30,
  };

  increaseImageSize = () => {
    if (this.state.width >= 100) {
      return;
    }
    this.setState({
      width: this.state.width + 10,
      height: this.state.height + 10,
    });
  };

  decreaseImageSize = () => {
    if (this.state.width <= 10) {
      return;
    }
    this.setState({
      width: this.state.width - 10,
      height: this.state.height - 10,
    });
  };

  render(): React.Node {
    return (
      <View>
        <View style={styles.spaceBetweenView}>
          <RNTesterText
            style={styles.touchableText}
            onPress={this.decreaseImageSize}>
            Decrease image size
          </RNTesterText>
          <RNTesterText
            style={styles.touchableText}
            onPress={this.increaseImageSize}>
            Increase image size
          </RNTesterText>
        </View>
        <RNTesterText>
          Container image size: {this.state.width}x{this.state.height}{' '}
        </RNTesterText>
        <View style={{height: this.state.height, width: this.state.width}}>
          <Image
            style={styles.flex}
            source={[
              {
                uri: IMAGE1,
                width: 38,
                height: 38,
              },
              {
                uri: IMAGE2,
                width: 100,
                height: 100,
              },
            ]}
          />
        </View>
      </View>
    );
  }
}

type LoadingIndicatorSourceExampleState = {
  imageHash: number,
};

type LoadingIndicatorSourceExampleProps = $ReadOnly<{}>;

class LoadingIndicatorSourceExample extends React.Component<
  LoadingIndicatorSourceExampleProps,
  LoadingIndicatorSourceExampleState,
> {
  state: LoadingIndicatorSourceExampleState = {
    imageHash: Date.now(),
  };

  reloadImage = () => {
    this.setState({
      imageHash: Date.now(),
    });
  };

  loaderGif: {uri: string} = {
    uri: 'https://media1.giphy.com/media/3oEjI6SIIHBdRxXI40/200.gif',
  };

  render(): React.Node {
    const loadingImage = {
      uri: `${IMAGE2}?hash=${this.state.imageHash}`,
    };

    return (
      <View>
        <View style={styles.spaceBetweenView}>
          <RNTesterText style={styles.touchableText} onPress={this.reloadImage}>
            Refresh Image
          </RNTesterText>
        </View>
        <Image
          loadingIndicatorSource={this.loaderGif}
          source={loadingImage}
          style={styles.base}
        />
        <RNTesterText>Image Hash: {this.state.imageHash}</RNTesterText>
        <RNTesterText>Image URI: {loadingImage.uri}</RNTesterText>
      </View>
    );
  }
}

type FadeDurationExampleState = {
  imageHash: number,
};

type FadeDurationExampleProps = $ReadOnly<{}>;

class FadeDurationExample extends React.Component<
  FadeDurationExampleProps,
  FadeDurationExampleState,
> {
  state: FadeDurationExampleState = {
    imageHash: Date.now(),
  };

  reloadImage = () => {
    this.setState({
      imageHash: Date.now(),
    });
  };

  render(): React.Node {
    const loadingImage = {
      uri: `${IMAGE2}?hash=${this.state.imageHash}`,
    };

    return (
      <View>
        <View style={styles.spaceBetweenView}>
          <Text style={styles.touchableText} onPress={this.reloadImage}>
            Refresh Image
          </Text>
        </View>
        <Image fadeDuration={1500} source={loadingImage} style={styles.base} />
        <RNTesterText>
          This image will fade in over the time of 1.5s.
        </RNTesterText>
      </View>
    );
  }
}

type OnLayoutExampleState = {
  width: number,
  height: number,
  layoutHandlerMessage: string,
};

type OnLayoutExampleProps = $ReadOnly<{}>;

class OnLayoutExample extends React.Component<
  OnLayoutExampleProps,
  OnLayoutExampleState,
> {
  state: OnLayoutExampleState = {
    width: 30,
    height: 30,
    layoutHandlerMessage: 'No Message',
  };

  onLayoutHandler = (event: LayoutChangeEvent) => {
    this.setState({
      width: this.state.width,
      height: this.state.height,
      layoutHandlerMessage: JSON.stringify(event.nativeEvent),
    });
    console.log(event.nativeEvent);
  };

  increaseImageSize = () => {
    if (this.state.width >= 100) {
      return;
    }
    this.setState({
      width: this.state.width + 10,
      height: this.state.height + 10,
    });
  };

  decreaseImageSize = () => {
    if (this.state.width <= 10) {
      return;
    }
    this.setState({
      width: this.state.width - 10,
      height: this.state.height - 10,
    });
  };

  render(): React.Node {
    return (
      <View>
        <RNTesterText>
          Adjust the image size to trigger the OnLayout handler.
        </RNTesterText>
        <View style={styles.spaceBetweenView}>
          <Text style={styles.touchableText} onPress={this.decreaseImageSize}>
            Decrease image size
          </Text>
          <Text style={styles.touchableText} onPress={this.increaseImageSize}>
            Increase image size
          </Text>
        </View>
        <RNTesterText>
          Container image size: {this.state.width}x{this.state.height}{' '}
        </RNTesterText>
        <View style={{height: this.state.height, width: this.state.width}}>
          <Image
            onLayout={this.onLayoutHandler}
            style={styles.flex}
            source={[
              {
                uri: IMAGE1,
                width: 38,
                height: 38,
              },
              {
                uri: IMAGE1,
                width: 76,
                height: 76,
              },
              {
                uri: IMAGE2,
                width: 400,
                height: 400,
              },
            ]}
          />
        </View>
        <RNTesterText>
          Layout Handler Message: {this.state.layoutHandlerMessage}
        </RNTesterText>
      </View>
    );
  }
}

type OnPartialLoadExampleState = {
  hasLoaded: boolean,
};

type OnPartialLoadExampleProps = $ReadOnly<{}>;

class OnPartialLoadExample extends React.Component<
  OnPartialLoadExampleProps,
  OnPartialLoadExampleState,
> {
  state: OnPartialLoadExampleState = {
    hasLoaded: false,
  };

  partialLoadHandler = () => {
    this.setState({
      hasLoaded: true,
    });
  };

  render(): React.Node {
    return (
      <View>
        <RNTesterText>
          Partial Load Function Executed: {JSON.stringify(this.state.hasLoaded)}
        </RNTesterText>
        <Image
          source={{
            uri: `https://images.pexels.com/photos/671557/pexels-photo-671557.jpeg?&buster=${Math.random()}`,
          }}
          onPartialLoad={this.partialLoadHandler}
          style={styles.base}
        />
      </View>
    );
  }
}

const VectorDrawableExample = () => {
  return (
    <View style={styles.flex} testID="vector-drawable-example">
      <View style={styles.horizontal}>
        <Image
          source={require('../../assets/ic_android.xml')}
          style={styles.vectorDrawable}
        />
        <Image
          source={require('../../assets/ic_android.xml')}
          style={styles.vectorDrawable}
          tintColor="red"
        />
      </View>
    </View>
  );
};

function CacheControlExample(): React.Node {
  const [reload, setReload] = useState(0);

  const onReload = () => {
    setReload(prevReload => prevReload + 1);
  };

  return (
    <>
      <View style={styles.horizontal}>
        <View>
          <RNTesterText style={styles.resizeModeText}>Default</RNTesterText>
          <Image
            source={{
              uri: fullImage.uri + '?cacheBust=default',
              cache: 'default',
            }}
            style={styles.base}
            key={reload}
          />
        </View>
        <View style={styles.leftMargin}>
          <RNTesterText style={styles.resizeModeText}>Reload</RNTesterText>
          <Image
            source={{
              uri: fullImage.uri + '?cacheBust=reload',
              cache: 'reload',
            }}
            style={styles.base}
            key={reload}
          />
        </View>
        <View style={styles.leftMargin}>
          <RNTesterText style={styles.resizeModeText}>Force-cache</RNTesterText>
          <Image
            source={{
              uri: fullImage.uri + '?cacheBust=force-cache',
              cache: 'force-cache',
            }}
            style={styles.base}
            key={reload}
            onError={e => console.log(e.nativeEvent.error)}
          />
        </View>
        <View style={styles.leftMargin}>
          <RNTesterText style={styles.resizeModeText}>
            Only-if-cached
          </RNTesterText>
          <Image
            source={{
              uri: fullImage.uri + '?cacheBust=only-if-cached',
              cache: 'only-if-cached',
            }}
            style={styles.base}
            key={reload}
            onError={e => console.log(e.nativeEvent.error)}
          />
        </View>
      </View>

      <View style={styles.horizontal}>
        <View style={styles.cachePolicyAndroidButtonContainer}>
          <RNTesterButton onPress={onReload}>
            Re-render image components
          </RNTesterButton>
        </View>
      </View>
    </>
  );
}

const fullImage: ImageSource = {
  uri: IMAGE2,
};
const smallImage = {
  uri: IMAGE1,
};

const styles = StyleSheet.create({
  base: {
    width: 64,
    height: 64,
    margin: 4,
  },
  visibleOverflow: {
    overflow: 'visible',
  },
  leftMargin: {
    marginLeft: 10,
  },
  background: {
    backgroundColor: '#222222',
  },
  sectionText: {
    marginVertical: 6,
  },
  nestedText: {
    marginLeft: 12,
    marginTop: 20,
    backgroundColor: 'transparent',
    color: 'white',
  },
  resizeMode: {
    width: 90,
    height: 60,
    borderWidth: 0.5,
    borderColor: 'black',
  },
  resizeModeText: {
    fontSize: 11,
    marginBottom: 3,
  },
  icon: {
    width: 15,
    height: 15,
    margin: 4,
  },
  horizontal: {
    flexDirection: 'row',
    flexWrap: 'wrap',
  },
  gif: {
    flex: 1,
    height: 200,
  },
  base64: {
    flex: 1,
    height: 50,
    resizeMode: 'contain',
  },
  touchableText: {
    fontWeight: '500',
    color: 'blue',
  },
  networkImageText: {
    marginTop: 20,
  },
  flex: {
    flex: 1,
  },
  imageWithBorderRadius: {
    borderRadius: 5,
  },
  imageSizeExample: {
    width: 60,
    height: 60,
    backgroundColor: 'transparent',
    marginRight: 10,
  },
  flexRow: {
    flexDirection: 'row',
  },
  spaceBetweenView: {
    flexDirection: 'row',
    justifyContent: 'space-between',
  },
  customBorderColor: {
    borderWidth: 5,
    borderColor: '#f099f0',
  },
  borderTopLeftRadius: {
    borderTopLeftRadius: 20,
  },
  opacity1: {
    opacity: 1,
  },
  opacity2: {
    opacity: 0.8,
  },
  opacity3: {
    opacity: 0.6,
  },
  opacity4: {
    opacity: 0.4,
  },
  opacity5: {
    opacity: 0.2,
  },
  opacity6: {
    opacity: 0,
  },
  transparentImageBackground: {
    width: 60,
    height: 60,
    backgroundColor: 'transparent',
  },
  tintColor1: {
    tintColor: '#ff2d55',
  },
  tintColor2: {
    tintColor: '#5ac8fa',
  },
  tintColor3: {
    tintColor: '#4cd964',
  },
  tintColor4: {
    tintColor: '#8e8e93',
  },
  objectFitContain: {
    objectFit: 'contain',
  },
  objectFitCover: {
    objectFit: 'cover',
  },
  objectFitFill: {
    objectFit: 'fill',
  },
  objectFitScaleDown: {
    objectFit: 'scale-down',
  },
  objectFitNone: {
    objectFit: 'none',
  },
  imageInBundle: {
    borderColor: 'yellow',
    borderWidth: 4,
  },
  imageInAssetCatalog: {
    marginLeft: 10,
    borderColor: 'blue',
    borderWidth: 4,
  },
  backgroundColor1: {
    backgroundColor: 'rgba(0, 0, 100, 0.25)',
  },
  backgroundColor2: {
    backgroundColor: 'red',
  },
  backgroundColor3: {
    backgroundColor: 'red',
    borderColor: 'green',
    borderWidth: 3,
    borderRadius: 25,
  },
  borderRadius1: {
    borderRadius: 19,
  },
  borderRadius2: {
    borderWidth: 4,
    borderTopLeftRadius: 10,
    borderBottomRightRadius: 20,
    borderColor: 'green',
  },
  borderRadius3: {
    resizeMode: 'cover',
    width: 90,
    borderWidth: 4,
    borderTopLeftRadius: 10,
    borderTopRightRadius: 20,
    borderBottomRightRadius: 30,
    borderBottomLeftRadius: 40,
    borderColor: 'red',
  },
  borderRadius4: {
    resizeMode: 'stretch',
    width: 90,
    borderWidth: 4,
    borderTopLeftRadius: 10,
    borderTopRightRadius: 20,
    borderBottomRightRadius: 30,
    borderBottomLeftRadius: 40,
    borderColor: 'red',
    backgroundColor: 'yellow',
  },
  borderRadius5: {
    resizeMode: 'contain',
    width: 90,
    borderWidth: 4,
    borderTopLeftRadius: 10,
    borderTopRightRadius: 20,
    borderBottomRightRadius: 30,
    borderBottomLeftRadius: 40,
    borderColor: 'red',
    backgroundColor: 'yellow',
  },
  boxShadow: {
    margin: 10,
  },
  boxShadowWithBackground: {
    backgroundColor: 'lightblue',
    boxShadow: '0px 0px 10px 0px rgba(0, 0, 0, 0.5)',
  },
  boxShadowMultiOutsetInset: {
    boxShadow:
      '-5px -5px 10px 2px rgba(0, 128, 0, 0.5), 5px 5px 10px 2px rgba(128, 0, 0, 0.5), inset orange 0px 0px 20px 0px, black 0px 0px 5px 1px',
    borderColor: 'blue',
    borderWidth: 1,
    borderRadius: 20,
  },
  boxShadowAsymetricallyRounded: {
    borderTopLeftRadius: 0,
    borderTopRightRadius: 5,
    borderBottomRightRadius: 10,
    borderBottomLeftRadius: 20,
    marginRight: 80,
    marginTop: 40,
    boxShadow: '80px 0px 10px 0px hotpink',
    transform: 'rotate(-15deg)',
  },
  vectorDrawable: {
    height: 64,
    width: 64,
  },
  resizedImage: {
    height: 100,
    width: '500%',
  },
  cachePolicyAndroidButtonContainer: {
    flex: 1,
    alignItems: 'center',
    marginTop: 10,
  },
});

exports.displayName = (undefined: ?string);
exports.framework = 'React';
exports.title = 'Image';
exports.category = 'Basic';
exports.description =
  'Base component for displaying different types of images.';

exports.examples = [
  {
    title: 'Plain Network Image with `source` prop.',
    description: ('If the `source` prop `uri` property is prefixed with ' +
      '"http", then it will be downloaded from the network.': string),
    render: function (): React.Node {
      return <Image source={fullImage} style={styles.base} />;
    },
  },
  {
    title: 'Plain Network Image with `src` prop.',
    description: ('If the `src` prop is defined with ' +
      '"http", then it will be downloaded from the network.': string),
    render: function (): React.Node {
      return <Image src={fullImage.uri} style={styles.base} />;
    },
  },
  {
    title: 'Multiple Image Source using the `srcSet` prop.',
    description:
      ('A list of comma seperated uris along with scale are provided in `srcSet`.' +
        'An appropriate value will be used based on the scale of the device.': string),
    render: function (): React.Node {
      return (
        <Image
          width={64}
          height={64}
          srcSet={`${IMAGE2} 4x, ${IMAGE1} 2x`}
          style={styles.base}
        />
      );
    },
  },
  {
    title: 'Plain Blob Image',
    description: ('If the `source` prop `uri` property is an object URL, ' +
      'then it will be resolved using `BlobProvider` (Android) or `RCTBlobManager` (iOS).': string),
    render: function (): React.Node {
      return <BlobImageExample urls={[IMAGE1, IMAGE2]} />;
    },
  },
  {
    title: 'Plain Static Image',
    description:
      ('Static assets should be placed in the source code tree, and ' +
        'required in the same way as JavaScript modules.': string),
    render: function (): React.Node {
      return (
        <View style={styles.horizontal}>
          <Image
            source={require('../../assets/uie_thumb_normal.png')}
            style={styles.icon}
          />
          <Image
            source={require('../../assets/uie_thumb_selected.png')}
            style={styles.icon}
          />
          <Image
            source={require('../../assets/uie_comment_normal.png')}
            style={styles.icon}
          />
          <Image
            source={require('../../assets/uie_comment_highlighted.png')}
            style={styles.icon}
          />
        </View>
      );
    },
  },
  {
    title: 'Image Loading Events',
    render: function (): React.Node {
      return (
        <NetworkImageCallbackExample
          source={{
            uri: `${IMAGE1}?r=1&t=${Date.now()}`,
          }}
          prefetchedSource={{uri: IMAGE_PREFETCH_URL}}
        />
      );
    },
  },
  {
    title: 'Error Handler',
    render: function (): React.Node {
      return (
        <NetworkImageExample
          source={{
            uri: IMAGE1 + '_TYPO',
          }}
        />
      );
    },
  },
  {
    title: 'Error Handler for Large Images',
    render: function (): React.Node {
      return (
        <NetworkImageExample
          resizeMethod="none"
          // 6000x5340 ~ 128 MB
          source={require('../../assets/very-large-image.png')}
        />
      );
    },
  },
  {
    title: 'Image Download Progress',
    render: function (): React.Node {
      return (
        <NetworkImageExample
          source={{
            uri: `${IMAGE1}?r=1`,
          }}
        />
      );
    },
  },
  {
    title: 'defaultSource',
    description: 'Show a placeholder image when a network image is loading',
    render: function (): React.Node {
      return (
        <Image
          defaultSource={require('../../assets/bunny.png')}
          source={{
            // Note: Use a large image and bust cache so we can in fact
            // visualize the `defaultSource` image.
            uri: fullImage.uri + '?cacheBust=notinCache' + Date.now(),
          }}
          style={styles.base}
        />
      );
    },
    platform: 'ios',
  },
  {
    title: 'Cache Policy',
    description: `- First image will be loaded and cached.
- Second image is the same but will be reloaded if re-rendered as the cache policy is set to reload.
- Third image will try to load from the cache first and only use the network if the cached version is unavailable.
- Fourth image will never be loaded as the cache policy is set to only-if-cached and the image has not been loaded before.`,
    render: function (): React.Node {
      return <CacheControlExample />;
    },
  },
  {
    title: 'Borders',
    name: 'borders',
    render: function (): React.Node {
      return (
        <View style={styles.horizontal} testID="borders-example">
          <Image
            source={smallImage}
            style={[styles.base, styles.background, styles.customBorderColor]}
          />
        </View>
      );
    },
  },
  {
    title: 'Border Radius',
    name: 'border-radius',
    render: function (): React.Node {
      return (
        <View style={styles.horizontal} testID="border-radius-example">
          <Image
            style={[styles.base, styles.imageWithBorderRadius]}
            source={fullImage}
          />
          <Image
            style={[styles.base, styles.borderRadius1]}
            source={fullImage}
          />
          <Image
            style={[styles.base, styles.borderTopLeftRadius]}
            source={fullImage}
          />
          <Image
            style={[styles.base, styles.borderRadius2]}
            source={fullImage}
          />
          <Image
            style={[styles.base, styles.borderRadius3]}
            source={fullImage}
          />
          <Image
            style={[styles.base, styles.borderRadius4]}
            source={fullImage}
          />
          <Image
            style={[styles.base, styles.borderRadius5]}
            source={fullImage}
          />
        </View>
      );
    },
  },
  {
    title: 'Background Color',
    name: 'background-color',
    render: function (): React.Node {
      return (
        <View style={styles.horizontal} testID="background-color-example">
          <Image source={smallImage} style={styles.base} />
          <Image
            style={[styles.base, styles.backgroundColor1]}
            source={smallImage}
          />
          <Image
            style={[styles.base, styles.backgroundColor2]}
            source={smallImage}
          />
          <Image
            style={[styles.base, styles.backgroundColor3]}
            source={smallImage}
          />
        </View>
      );
    },
  },
  {
    title: 'Box Shadow',
    name: 'box-shadow',
    render: function (): React.Node {
      return (
        <View style={styles.horizontal} testID="box-shadow-example">
          <Image
            style={[
              styles.base,
              styles.boxShadow,
              styles.boxShadowWithBackground,
            ]}
            source={smallImage}
          />
          <Image
            style={[
              styles.base,
              styles.boxShadow,
              styles.boxShadowMultiOutsetInset,
            ]}
            source={smallImage}
          />
          <Image
            style={[
              styles.base,
              styles.boxShadow,
              styles.boxShadowAsymetricallyRounded,
            ]}
            source={fullImage}
          />
        </View>
      );
    },
  },
  {
    title: 'Opacity',
    render: function (): React.Node {
      return (
        <View style={styles.horizontal}>
          <Image style={[styles.base, styles.opacity1]} source={fullImage} />
          <Image style={[styles.base, styles.opacity2]} source={fullImage} />
          <Image style={[styles.base, styles.opacity3]} source={fullImage} />
          <Image style={[styles.base, styles.opacity4]} source={fullImage} />
          <Image style={[styles.base, styles.opacity5]} source={fullImage} />
          <Image style={[styles.base, styles.opacity6]} source={fullImage} />
        </View>
      );
    },
  },
  {
    title: 'Nesting content inside <Image> component',
    render: function (): React.Node {
      return (
        <View style={styles.base}>
          <Image
            style={{...StyleSheet.absoluteFillObject}}
            source={fullImage}
          />
          <Text style={styles.nestedText}>React</Text>
        </View>
      );
    },
  },
  {
    title: 'Nesting content inside <ImageBackground> component',
    render: function (): React.Node {
      return (
        <ImageBackground
          style={styles.transparentImageBackground}
          source={fullImage}>
          <Text style={styles.nestedText}>React</Text>
        </ImageBackground>
      );
    },
  },
  {
    title: 'Tint Color',
    description: ('The `tintColor` prop changes all the non-alpha ' +
      'pixels to the tint color.': string),
    render: function (): React.Node {
      return (
        <View>
          <View style={styles.horizontal}>
            <Image
              source={require('../../assets/uie_thumb_normal.png')}
              style={[
                styles.icon,
                styles.imageWithBorderRadius,
                styles.tintColor1,
              ]}
              tintColor={'#5ac8fa'}
            />
            <Image
              source={require('../../assets/uie_thumb_normal.png')}
              style={[styles.icon, styles.imageWithBorderRadius]}
              tintColor={'#4cd964'}
            />
            <Image
              source={require('../../assets/uie_thumb_normal.png')}
              style={[styles.icon, styles.imageWithBorderRadius]}
              tintColor={'#ff2d55'}
            />
            <Image
              source={require('../../assets/uie_thumb_normal.png')}
              style={[styles.icon, styles.imageWithBorderRadius]}
              tintColor={'#8e8e93'}
            />
          </View>
          <RNTesterText style={styles.sectionText} variant="label">
            It also works using the `tintColor` style prop
          </RNTesterText>
          <View style={styles.horizontal}>
            <Image
              source={require('../../assets/uie_thumb_normal.png')}
              style={[
                styles.icon,
                styles.imageWithBorderRadius,
                styles.tintColor2,
              ]}
            />
            <Image
              source={require('../../assets/uie_thumb_normal.png')}
              style={[
                styles.icon,
                styles.imageWithBorderRadius,
                styles.tintColor3,
              ]}
            />
            <Image
              source={require('../../assets/uie_thumb_normal.png')}
              style={[
                styles.icon,
                styles.imageWithBorderRadius,
                styles.tintColor1,
              ]}
            />
            <Image
              source={require('../../assets/uie_thumb_normal.png')}
              style={[
                styles.icon,
                styles.imageWithBorderRadius,
                styles.tintColor4,
              ]}
            />
          </View>
          <RNTesterText style={styles.sectionText} variant="label">
            The `tintColor` prop has precedence over the `tintColor` style prop
          </RNTesterText>
          <View style={styles.horizontal}>
            <Image
              source={require('../../assets/uie_thumb_normal.png')}
              style={[
                styles.icon,
                styles.imageWithBorderRadius,
                styles.tintColor2,
              ]}
              tintColor={'#5ac8fa'}
            />
            <Image
              source={require('../../assets/uie_thumb_normal.png')}
              style={[
                styles.icon,
                styles.imageWithBorderRadius,
                styles.tintColor3,
              ]}
              tintColor={'#5ac8fa'}
            />
            <Image
              source={require('../../assets/uie_thumb_normal.png')}
              style={[
                styles.icon,
                styles.imageWithBorderRadius,
                styles.tintColor1,
              ]}
              tintColor={'#5ac8fa'}
            />
            <Image
              source={require('../../assets/uie_thumb_normal.png')}
              style={[
                styles.icon,
                styles.imageWithBorderRadius,
                styles.tintColor4,
              ]}
              tintColor={'#5ac8fa'}
            />
          </View>
          <RNTesterText style={styles.sectionText} variant="label">
            It also works with downloaded images:
          </RNTesterText>
          <View style={styles.horizontal}>
            <Image
              source={smallImage}
              style={[
                styles.base,
                styles.imageWithBorderRadius,
                styles.tintColor2,
              ]}
            />
            <Image
              source={smallImage}
              style={[
                styles.base,
                styles.imageWithBorderRadius,
                styles.tintColor3,
              ]}
            />
            <Image
              source={smallImage}
              style={[
                styles.base,
                styles.imageWithBorderRadius,
                styles.tintColor1,
              ]}
            />
            <Image
              source={smallImage}
              style={[
                styles.base,
                styles.imageWithBorderRadius,
                styles.tintColor4,
              ]}
            />
          </View>
        </View>
      );
    },
  },
  {
    title: 'Object Fit',
    description: ('The `objectFit` style prop controls how the image is ' +
      'rendered within the frame.': string),
    render: function (): React.Node {
      return (
        <View>
          {[smallImage, fullImage].map((image, index) => {
            return (
              <View key={index}>
                <View style={styles.horizontal}>
                  <View>
                    <RNTesterText style={styles.resizeModeText}>
                      Contain
                    </RNTesterText>
                    <Image
                      style={[styles.resizeMode, styles.objectFitContain]}
                      source={image}
                    />
                  </View>
                  <View style={styles.leftMargin}>
                    <RNTesterText style={styles.resizeModeText}>
                      Cover
                    </RNTesterText>
                    <Image
                      style={[styles.resizeMode, styles.objectFitCover]}
                      source={image}
                    />
                  </View>
                </View>
                <View style={styles.horizontal}>
                  <View>
                    <RNTesterText style={styles.resizeModeText}>
                      Fill
                    </RNTesterText>
                    <Image
                      style={[styles.resizeMode, styles.objectFitFill]}
                      source={image}
                    />
                  </View>
                  <View style={styles.leftMargin}>
                    <RNTesterText style={styles.resizeModeText}>
                      Scale Down
                    </RNTesterText>
                    <Image
                      style={[styles.resizeMode, styles.objectFitScaleDown]}
                      source={image}
                    />
                  </View>
                </View>
                <View style={styles.horizontal}>
                  <View>
                    <RNTesterText style={styles.resizeModeText}>
                      None
                    </RNTesterText>
                    <Image
                      style={[styles.resizeMode, styles.objectFitNone]}
                      source={image}
                    />
                  </View>
                </View>
              </View>
            );
          })}
        </View>
      );
    },
  },
  {
    title: 'Resize Mode',
    description: ('The `resizeMode` style prop controls how the image is ' +
      'rendered within the frame.': string),
    render: function (): React.Node {
      return (
        <View>
          {[smallImage, fullImage].map((image, index) => {
            return (
              <View key={index}>
                <View style={styles.horizontal}>
                  <View>
                    <RNTesterText style={styles.resizeModeText}>
                      Contain
                    </RNTesterText>
                    <Image
                      style={styles.resizeMode}
                      resizeMode="contain"
                      source={image}
                    />
                  </View>
                  <View style={styles.leftMargin}>
                    <RNTesterText style={styles.resizeModeText}>
                      Cover
                    </RNTesterText>
                    <Image
                      style={styles.resizeMode}
                      resizeMode="cover"
                      source={image}
                    />
                  </View>
                </View>
                <View style={styles.horizontal}>
                  <View>
                    <RNTesterText style={styles.resizeModeText}>
                      Stretch
                    </RNTesterText>
                    <Image
                      style={styles.resizeMode}
                      resizeMode="stretch"
                      source={image}
                    />
                  </View>
                  <View style={styles.leftMargin}>
                    <RNTesterText style={styles.resizeModeText}>
                      Repeat
                    </RNTesterText>
                    <Image
                      style={styles.resizeMode}
                      resizeMode="repeat"
                      source={image}
                    />
                  </View>
                  <View style={styles.leftMargin}>
                    <RNTesterText style={styles.resizeModeText}>
                      Center
                    </RNTesterText>
                    <Image
                      style={styles.resizeMode}
                      resizeMode="center"
                      source={image}
                    />
                  </View>
                </View>
                <View style={styles.horizontal}>
                  <View>
                    <RNTesterText style={styles.resizeModeText}>
                      None
                    </RNTesterText>
                    <Image
                      style={styles.resizeMode}
                      resizeMode="none"
                      source={image}
                    />
                  </View>
                </View>
              </View>
            );
          })}
        </View>
      );
    },
  },
  {
    title: 'Animated GIF',
    render: function (): React.Node {
      return (
        <Image
          style={styles.gif}
          source={require('../../assets/tumblr_mfqekpMktw1rn90umo1_500.gif')}
        />
      );
    },
    platform: 'ios',
  },
  {
    title: 'Base64 image',
    render: function (): React.Node {
      return (
        <Image style={styles.base64} source={{uri: base64Icon, scale: 3}} />
      );
    },
    platform: 'ios',
  },
  {
    title: 'Cap Insets',
    description:
      ('When the image is resized, the corners of the size specified ' +
        'by capInsets will stay a fixed size, but the center content and ' +
        'borders of the image will be stretched. This is useful for creating ' +
        'resizable rounded buttons, shadows, and other resizable assets.': string),
    render: function (): React.Node {
      return <ImageCapInsetsExample />;
    },
    platform: 'ios',
  },
  {
    title: 'Image Size',
    render: function (): React.Node {
      return <ImageSizeExample source={fullImage} />;
    },
  },
  {
    title: 'MultipleSourcesExample',
    description:
      ('The `source` prop allows passing in an array of uris, so that native to choose which image ' +
        'to diplay based on the size of the of the target image': string),
    render: function (): React.Node {
      return <MultipleSourcesExample />;
    },
  },
  {
    title: 'Legacy local image',
    description: ('Images shipped with the native bundle, but not managed ' +
      'by the JS packager': string),
    render: function (): React.Node {
      return <Image source={{uri: 'legacy_image', width: 120, height: 120}} />;
    },
  },
  {
    title: 'Bundled images',
    description: 'Images shipped in a separate native bundle',
    render: function (): React.Node {
      return (
        <View style={styles.flexRow}>
          <Image
            source={{
              uri: 'ImageInBundle',
              bundle: 'RNTesterBundle',
              width: 100,
              height: 100,
            }}
            style={styles.imageInBundle}
          />
          <Image
            source={{
              uri: 'ImageInAssetCatalog',
              bundle: 'RNTesterBundle',
              width: 100,
              height: 100,
            }}
            style={styles.imageInAssetCatalog}
          />
        </View>
      );
    },
    platform: 'ios',
  },
  {
    title: 'Blur Radius',
    render: function (): React.Node {
      return (
        <View style={styles.horizontal}>
          <Image style={styles.base} source={fullImage} blurRadius={0} />
          <Image style={styles.base} source={fullImage} blurRadius={5} />
          <Image style={styles.base} source={fullImage} blurRadius={10} />
          <Image style={styles.base} source={fullImage} blurRadius={15} />
          <Image style={styles.base} source={fullImage} blurRadius={20} />
          <Image style={styles.base} source={fullImage} blurRadius={25} />
        </View>
      );
    },
  },
  {
    title: 'Accessibility',
    description:
      ('If the `accessible` (boolean) prop is set to True, the image will be indicated as an accessbility element.': string),
    render: function (): React.Node {
      return <Image accessible source={fullImage} style={styles.base} />;
    },
  },
  {
    title: 'Accessibility Label',
    description:
      ('When an element is marked as accessibile (using the accessibility prop), it is good practice to set an accessibilityLabel on the image to provide a description of the element to people who use VoiceOver. VoiceOver will read this string when people select this element.': string),
    render: function (): React.Node {
      return (
        <Image
          accessible
          accessibilityLabel="Picture of people standing around a table"
          source={fullImage}
          style={styles.base}
        />
      );
    },
  },
  {
    title: 'Accessibility Label via alt prop',
    description:
      'Using the alt prop markes an element as being accessibile, and passes the alt text to accessibilityLabel',
    render: function (): React.Node {
      return (
        <Image
          alt="Picture of people standing around a table"
          source={fullImage}
          style={styles.base}
        />
      );
    },
  },
  {
    title: 'Fade Duration',
    description:
      ('The time (in miliseconds) that an image will fade in for when it appears (default = 300).': string),
    render: function (): React.Node {
      return <FadeDurationExample />;
    },
    platform: 'android',
  },
  {
    title: 'Loading Indicator Source',
    description:
      ('This prop is used to set the resource that will be used as the loading indicator for the image (displayed until the image is ready to be displayed).': string),
    render: function (): React.Node {
      return <LoadingIndicatorSourceExample />;
    },
  },
  {
    title: 'On Layout',
    description:
      ('This prop is used to set the handler function to be called when the image is mounted or its layout changes. The function receives an event with `{nativeEvent: {layout: {x, y, width, height}}}`': string),
    render: function (): React.Node {
      return <OnLayoutExample />;
    },
  },
  {
    title: 'On Partial Load',
    description:
      ('This prop is used to set the handler function to be called when the partial load of the image is complete. This is meant for progressive JPEG loads.': string),
    render: function (): React.Node {
      return <OnPartialLoadExample />;
    },
    platform: 'ios',
  },
  {
    title: 'Vector Drawable',
    name: 'vector-drawable',
    description:
      'Demonstrating an example of loading a vector drawable asset by name',
    render: function (): React.Node {
      return <VectorDrawableExample />;
    },
    platform: 'android',
  },
  {
    title: 'Large image with different resize methods',
    name: 'resize-method',
    description:
      'Demonstrating the effects of loading a large image with different resize methods',
    scrollable: true,
    render: function (): React.Node {
      const methods: Array<ImageProps['resizeMethod']> = [
        'auto',
        'resize',
        'scale',
        'none',
      ];
      // Four copies of the same image so we don't serve cached copies of the same image
      const images = [
        require('../../assets/large-image-1.png'),
        require('../../assets/large-image-2.png'),
        require('../../assets/large-image-3.png'),
        require('../../assets/large-image-4.png'),
      ];
      return (
        <View testID="resize-method-example">
          {methods.map((method, index) => (
            <View
              key={method}
              style={{display: 'flex', overflow: 'hidden'}}
              testID={`resize-method-example-${method ?? ''}`}>
              <RNTesterText>{method}</RNTesterText>
              <Image
                resizeMethod={method}
                source={images[index]}
                style={styles.resizedImage}
              />
            </View>
          ))}
        </View>
      );
    },
    platform: 'android',
  },
] as Array<RNTesterModuleExample>;