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App.tsx
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App.tsx
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/**
* Sample React Native App
* https://github.com/facebook/react-native
*
* @format
*/
import React from 'react';
import {useState} from 'react';
import {Text, ScrollView, SafeAreaView} from 'react-native';
import RTNTimeToRender from 'rtn-timetorender/js/NativeTimeToRender';
import ThousandViews from './scenarios/ThousandsViews';
import ThousandsTexts from './scenarios/ThousandsTexts';
import Button from './Button';
import ThousandsImages from './scenarios/ThousandsImages';
import MeasureComponent from './MeasureComponent';
enum Scenarios {
Views1500,
Views5000,
Text1500,
Text5000,
Image1500,
Image5000,
Custom,
}
function App(): JSX.Element {
const [scenario, setScenario] = useState<Scenarios | null>(null);
let perfTest = null;
if (scenario != null) {
switch (scenario) {
case Scenarios.Views1500:
perfTest = <ThousandViews markerName="views1500" count={1500} />;
break;
case Scenarios.Views5000:
perfTest = <ThousandViews markerName="views5000" count={5000} />;
break;
case Scenarios.Text1500:
perfTest = <ThousandsTexts markerName="texts1500" count={1500} />;
break;
case Scenarios.Text5000:
perfTest = <ThousandsTexts markerName="texts5000" count={5000} />;
break;
case Scenarios.Image1500:
perfTest = <ThousandsImages markerName="images1500" count={1500} />;
break;
case Scenarios.Image5000:
perfTest = <ThousandsImages markerName="images5000" count={5000} />;
break;
case Scenarios.Custom:
perfTest = (
<MeasureComponent markerName="custom" title="Custom scenario">
{/* You can write your own performance scenario here */}
<Text>Measured rendering this text.</Text>
</MeasureComponent>
);
break;
}
}
return (
<SafeAreaView>
<ScrollView
contentContainerStyle={{alignItems: 'center'}}
automaticallyAdjustContentInsets={true}>
{scenario === null ? (
<>
<Button
onPress={timestamp => {
RTNTimeToRender?.startMarker('views1500', timestamp);
setScenario(Scenarios.Views1500);
}}
title="Render 1500 <View />"
/>
<Button
onPress={timestamp => {
RTNTimeToRender?.startMarker('views5000', timestamp);
setScenario(Scenarios.Views5000);
}}
title="Render 5000 <View />"
/>
<Button
onPress={timestamp => {
RTNTimeToRender?.startMarker('texts1500', timestamp);
setScenario(Scenarios.Text1500);
}}
title="Render 1500 <Text />"
/>
<Button
onPress={timestamp => {
RTNTimeToRender?.startMarker('texts5000', timestamp);
setScenario(Scenarios.Text5000);
}}
title="Render 5000 <Text />"
/>
<Button
onPress={timestamp => {
RTNTimeToRender?.startMarker('images1500', timestamp);
setScenario(Scenarios.Image1500);
}}
title="Render 1500 <Image />"
/>
<Button
onPress={timestamp => {
RTNTimeToRender?.startMarker('images5000', timestamp);
setScenario(Scenarios.Image5000);
}}
title="Render 5000 <Image />"
/>
<Button
onPress={timestamp => {
RTNTimeToRender?.startMarker('custom', timestamp);
setScenario(Scenarios.Custom);
}}
title="Render custom scenario"
/>
</>
) : null}
{scenario != null ? (
<>
<Button
onPress={() => {
setScenario(null);
}}
title="Reset"
/>
{perfTest}
</>
) : null}
</ScrollView>
</SafeAreaView>
);
}
export default App;