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Add option to auto-open last example in the example app (#2918)
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## Description

Adds option to automatically open the last viewed example when opening
(or reloading) the example app.


https://github.com/software-mansion/react-native-gesture-handler/assets/21055725/2977ac8b-dcea-49b8-a8db-228afd75dcc7

## Test plan

Check if the last viewed example gets auto-opened when the option is
enabled
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j-piasecki authored May 22, 2024
1 parent b87eb2b commit 3736acb
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84 changes: 81 additions & 3 deletions example/App.tsx
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import React from 'react';
import React, { useEffect } from 'react';
import {
Text,
View,
Expand All @@ -10,13 +10,16 @@ import {
} from 'react-native';
import {
createStackNavigator,
StackNavigationProp,
StackScreenProps,
} from '@react-navigation/stack';
import { NavigationContainer, ParamListBase } from '@react-navigation/native';
import {
GestureHandlerRootView,
RectButton,
Switch,
} from 'react-native-gesture-handler';
import AsyncStorage from '@react-native-async-storage/async-storage';
import OverflowParent from './src/release_tests/overflowParent';
import DoublePinchRotate from './src/release_tests/doubleScalePinchAndRotate';
import DoubleDraggable from './src/release_tests/doubleDraggable';
Expand Down Expand Up @@ -169,6 +172,9 @@ const EXAMPLES: ExamplesSection[] = [
},
];

const OPEN_LAST_EXAMPLE_KEY = 'openLastExample';
const LAST_EXAMPLE_KEY = 'lastExample';

type RootStackParamList = {
Home: undefined;
TouchableExample: { item: string };
Expand Down Expand Up @@ -215,17 +221,38 @@ export default function App() {
);
}

function navigate(
navigation: StackNavigationProp<ParamListBase>,
dest: string
) {
AsyncStorage.setItem(LAST_EXAMPLE_KEY, dest);
navigation.navigate(dest);
}

function MainScreen({ navigation }: StackScreenProps<ParamListBase>) {
useEffect(() => {
AsyncStorage.multiGet([OPEN_LAST_EXAMPLE_KEY, LAST_EXAMPLE_KEY]).then(
([openLastExample, lastExample]) => {
if (openLastExample[1] === 'true' && lastExample[1]) {
navigate(navigation, lastExample[1]);
}
}
);
// we only want to run this effect once
// eslint-disable-next-line react-hooks/exhaustive-deps
}, []);

return (
<SafeAreaView style={styles.container}>
<ListWithHeader
style={styles.list}
sections={EXAMPLES}
keyExtractor={(example) => example.name}
ListHeaderComponent={OpenLastExampleSetting}
renderItem={({ item }) => (
<MainScreenItem
name={item.name}
onPressItem={(name) => navigation.navigate(name)}
onPressItem={(name) => navigate(navigation, name)}
/>
)}
renderSectionHeader={({ section: { sectionTitle } }) => (
Expand All @@ -237,6 +264,41 @@ function MainScreen({ navigation }: StackScreenProps<ParamListBase>) {
);
}

function OpenLastExampleSetting() {
const [openLastExample, setOpenLastExample] = React.useState(false);

useEffect(() => {
AsyncStorage.getItem(OPEN_LAST_EXAMPLE_KEY).then((value) => {
setOpenLastExample(value === 'true');
});
}, []);

function updateSetting(value: boolean) {
AsyncStorage.setItem(OPEN_LAST_EXAMPLE_KEY, value.toString());
setOpenLastExample(value);
}

return (
<RectButton
style={[styles.button, styles.autoOpenSetting]}
onPress={() => {
updateSetting(!openLastExample);
}}>
<View
style={styles.buttonContent}
pointerEvents={Platform.OS === 'web' ? 'box-only' : 'auto'}>
<Text>Open last example on launch</Text>
<Switch
value={openLastExample}
onValueChange={() => {
updateSetting(!openLastExample);
}}
/>
</View>
</RectButton>
);
}

interface MainScreenItemProps {
name: string;
onPressItem: (name: string) => void;
Expand Down Expand Up @@ -277,8 +339,24 @@ const styles = StyleSheet.create({
flex: 1,
height: 50,
padding: 10,
backgroundColor: '#fff',
},
buttonContent: {
flex: 1,
flexDirection: 'row',
alignItems: 'center',
backgroundColor: '#fff',
justifyContent: 'space-between',
},
autoOpenSetting: {
margin: 16,
borderRadius: 16,
backgroundColor: '#eef0ff',
paddingHorizontal: 16,
justifyContent: 'space-between',
elevation: 8,
shadowColor: '#000',
shadowOffset: { width: 0, height: 2 },
shadowOpacity: 0.25,
shadowRadius: 3.84,
},
});
1 change: 1 addition & 0 deletions example/package.json
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
"dependencies": {
"@expo/metro-config": "~0.18.1",
"@expo/metro-runtime": "^3.2.1",
"@react-native-async-storage/async-storage": "^1.23.1",
"@react-native-community/slider": "^4.5.2",
"@react-native-community/viewpager": "^5.0.11",
"@react-native-masked-view/masked-view": "^0.2.8",
Expand Down
19 changes: 19 additions & 0 deletions example/yarn.lock
Original file line number Diff line number Diff line change
Expand Up @@ -1565,6 +1565,13 @@
mkdirp "^1.0.4"
rimraf "^3.0.2"

"@react-native-async-storage/async-storage@^1.23.1":
version "1.23.1"
resolved "https://registry.yarnpkg.com/@react-native-async-storage/async-storage/-/async-storage-1.23.1.tgz#cad3cd4fab7dacfe9838dce6ecb352f79150c883"
integrity sha512-Qd2kQ3yi6Y3+AcUlrHxSLlnBvpdCEMVGFlVBneVOjaFaPU61g1huc38g339ysXspwY1QZA2aNhrk/KlHGO+ewA==
dependencies:
merge-options "^3.0.4"

"@react-native-community/[email protected]":
version "13.6.6"
resolved "https://registry.yarnpkg.com/@react-native-community/cli-clean/-/cli-clean-13.6.6.tgz#87c7ad8746c38dab0fe7b3c6ff89d44351d5d943"
Expand Down Expand Up @@ -4971,6 +4978,11 @@ is-path-inside@^3.0.2:
resolved "https://registry.yarnpkg.com/is-path-inside/-/is-path-inside-3.0.3.tgz#d231362e53a07ff2b0e0ea7fed049161ffd16283"
integrity sha512-Fd4gABb+ycGAmKou8eMftCupSir5lRxqf4aD/vd0cD2qc4HL07OjCeuHMr8Ro4CoMaeCKDB0/ECBOVWjTwUvPQ==

is-plain-obj@^2.1.0:
version "2.1.0"
resolved "https://registry.yarnpkg.com/is-plain-obj/-/is-plain-obj-2.1.0.tgz#45e42e37fccf1f40da8e5f76ee21515840c09287"
integrity sha512-YWnfyRwxL/+SsrWYfOpUtz5b3YD+nyfkHvjbcanzk8zgyO4ASD67uVMRt8k5bM4lLMDnXfriRhOpemw+NfT1eA==

is-plain-object@^2.0.4:
version "2.0.4"
resolved "https://registry.yarnpkg.com/is-plain-object/-/is-plain-object-2.0.4.tgz#2c163b3fafb1b606d9d17928f05c2a1c38e07677"
Expand Down Expand Up @@ -5951,6 +5963,13 @@ memory-cache@~0.2.0:
resolved "https://registry.yarnpkg.com/memory-cache/-/memory-cache-0.2.0.tgz#7890b01d52c00c8ebc9d533e1f8eb17e3034871a"
integrity sha512-OcjA+jzjOYzKmKS6IQVALHLVz+rNTMPoJvCztFaZxwG14wtAW7VRZjwTQu06vKCYOxh4jVnik7ya0SXTB0W+xA==

merge-options@^3.0.4:
version "3.0.4"
resolved "https://registry.yarnpkg.com/merge-options/-/merge-options-3.0.4.tgz#84709c2aa2a4b24c1981f66c179fe5565cc6dbb7"
integrity sha512-2Sug1+knBjkaMsMgf1ctR1Ujx+Ayku4EdJN4Z+C2+JzoeF7A3OZ9KM2GY0CpQS51NR61LTurMJrRKPhSs3ZRTQ==
dependencies:
is-plain-obj "^2.1.0"

merge-stream@^2.0.0:
version "2.0.0"
resolved "https://registry.yarnpkg.com/merge-stream/-/merge-stream-2.0.0.tgz#52823629a14dd00c9770fb6ad47dc6310f2c1f60"
Expand Down

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