Use hermes engine

https://reactnative.dev/docs/hermes

App.tsx

@@ -3,7 +3,7 @@ import {
   DefaultTheme as NavigationDefaultTheme,
   NavigationContainer,
 } from '@react-navigation/native';
-import React, {useEffect, useMemo, useState} from 'react';
+import {useEffect, useMemo, useState} from 'react';
 import {useColorScheme} from 'react-native';
 import {
   DarkTheme as PaperDarkTheme,

BestList.tsx

@@ -3,7 +3,7 @@ import {
   useFocusEffect,
   useNavigation,
 } from '@react-navigation/native';
-import React, {useCallback, useEffect, useState} from 'react';
+import {useCallback, useEffect, useState} from 'react';
 import {FlatList, Image} from 'react-native';
 import {List} from 'react-native-paper';
 import {getBestReps, getBestWeights} from './best.service';

BestPage.tsx

@@ -1,5 +1,4 @@
 import {createStackNavigator} from '@react-navigation/stack';
-import React from 'react';
 import BestList from './BestList';
 import Set from './set';
 import ViewBest from './ViewBest';

Chart.tsx

@@ -1,5 +1,4 @@
 import * as shape from 'd3-shape';
-import React from 'react';
 import {View} from 'react-native';
 import {Grid, LineChart, XAxis, YAxis} from 'react-native-svg-charts';
 import {CombinedDarkTheme, CombinedDefaultTheme} from './App';

ConfirmDialog.tsx

@@ -1,4 +1,3 @@
-import React from 'react';
 import {Button, Dialog, Portal, Text} from 'react-native-paper';
 
 export default function ConfirmDialog({

DrawerHeader.tsx

@@ -1,6 +1,5 @@
 import {DrawerNavigationProp} from '@react-navigation/drawer';
 import {useNavigation} from '@react-navigation/native';
-import React from 'react';
 import {Appbar, IconButton} from 'react-native-paper';
 import {DrawerParamList} from './drawer-param-list';
 import DrawerMenu from './DrawerMenu';

DrawerMenu.tsx

@@ -1,5 +1,5 @@
 import {NavigationProp, useNavigation} from '@react-navigation/native';
-import React, {useCallback, useState} from 'react';
+import {useCallback, useState} from 'react';
 import DocumentPicker from 'react-native-document-picker';
 import {FileSystem} from 'react-native-file-access';
 import {Divider, IconButton, Menu} from 'react-native-paper';

EditPlan.tsx

@@ -4,7 +4,7 @@ import {
   useNavigation,
   useRoute,
 } from '@react-navigation/native';
-import React, {useCallback, useEffect, useState} from 'react';
+import {useCallback, useEffect, useState} from 'react';
 import {ScrollView, StyleSheet, View} from 'react-native';
 import {Button, Text} from 'react-native-paper';
 import {MARGIN, PADDING} from './constants';

EditSet.tsx

@@ -1,5 +1,5 @@
 import {RouteProp, useNavigation, useRoute} from '@react-navigation/native';
-import React, {useCallback} from 'react';
+import {useCallback} from 'react';
 import {NativeModules, View} from 'react-native';
 import {PADDING} from './constants';
 import {HomePageParams} from './home-page-params';

EditWorkout.tsx

@@ -1,5 +1,5 @@
 import {RouteProp, useNavigation, useRoute} from '@react-navigation/native';
-import React, {useCallback, useRef, useState} from 'react';
+import {useCallback, useRef, useState} from 'react';
 import {ScrollView, TextInput, View} from 'react-native';
 import DocumentPicker from 'react-native-document-picker';
 import {Button, Card, TouchableRipple} from 'react-native-paper';

HomePage.tsx

@@ -1,5 +1,4 @@
 import {createStackNavigator} from '@react-navigation/stack';
-import React from 'react';
 import EditSet from './EditSet';
 import {HomePageParams} from './home-page-params';
 import SetList from './SetList';

MassiveFab.tsx

@@ -1,11 +1,9 @@
-import React from 'react';
+import {ComponentProps} from 'react';
 import {FAB} from 'react-native-paper';
 import {useColor} from './color';
 import {lightColors} from './colors';
 
-export default function MassiveFab(
-  props: Partial<React.ComponentProps<typeof FAB>>,
-) {
+export default function MassiveFab(props: Partial<ComponentProps<typeof FAB>>) {
   const {color} = useColor();
   const fabColor = lightColors.map(lightColor => lightColor.hex).includes(color)
     ? 'black'

MassiveInput.tsx

@@ -1,12 +1,12 @@
-import React from 'react';
+import {ComponentProps, Ref} from 'react';
 import {TextInput} from 'react-native-paper';
 import {CombinedDefaultTheme} from './App';
 import {MARGIN} from './constants';
 import useDark from './use-dark';
 
 export default function MassiveInput(
-  props: Partial<React.ComponentProps<typeof TextInput>> & {
-    innerRef?: React.Ref<any>;
+  props: Partial<ComponentProps<typeof TextInput>> & {
+    innerRef?: Ref<any>;
   },
 ) {
   const dark = useDark();

MassiveSnack.tsx

@@ -1,9 +1,9 @@
-import React, {useContext, useState} from 'react';
+import {createContext, useContext, useState} from 'react';
 import {Snackbar} from 'react-native-paper';
 import {CombinedDarkTheme, CombinedDefaultTheme} from './App';
 import useDark from './use-dark';
 
-export const SnackbarContext = React.createContext<{
+export const SnackbarContext = createContext<{
   toast: (value: string, timeout: number) => void;
 }>({toast: () => null});
 

Page.tsx

@@ -1,4 +1,3 @@
-import React from 'react';
 import {StyleSheet, View} from 'react-native';
 import {Searchbar} from 'react-native-paper';
 import {PADDING} from './constants';

PlanItem.tsx

@@ -3,7 +3,7 @@ import {
   useFocusEffect,
   useNavigation,
 } from '@react-navigation/native';
-import React, {useCallback, useMemo, useState} from 'react';
+import {useCallback, useMemo, useState} from 'react';
 import {GestureResponderEvent, Text} from 'react-native';
 import {Divider, List, Menu} from 'react-native-paper';
 import {getBestSet} from './best.service';

PlanList.tsx

@@ -3,7 +3,7 @@ import {
   useFocusEffect,
   useNavigation,
 } from '@react-navigation/native';
-import React, {useCallback, useEffect, useState} from 'react';
+import {useCallback, useEffect, useState} from 'react';
 import {FlatList} from 'react-native';
 import {List} from 'react-native-paper';
 import DrawerHeader from './DrawerHeader';

PlanPage.tsx

@@ -1,5 +1,4 @@
 import {createStackNavigator} from '@react-navigation/stack';
-import React from 'react';
 import EditPlan from './EditPlan';
 import {PlanPageParams} from './plan-page-params';
 import PlanList from './PlanList';

Routes.tsx

@@ -1,5 +1,4 @@
 import {createDrawerNavigator} from '@react-navigation/drawer';
-import React from 'react';
 import {IconButton} from 'react-native-paper';
 import BestPage from './BestPage';
 import {DrawerParamList} from './drawer-param-list';

SetForm.tsx

@@ -1,4 +1,4 @@
-import React, {useCallback, useRef, useState} from 'react';
+import {useCallback, useRef, useState} from 'react';
 import {TextInput, View} from 'react-native';
 import DocumentPicker from 'react-native-document-picker';
 import {Button, Card, TouchableRipple} from 'react-native-paper';

SetItem.tsx

@@ -1,5 +1,5 @@
 import {NavigationProp, useNavigation} from '@react-navigation/native';
-import React, {useCallback, useState} from 'react';
+import {useCallback, useState} from 'react';
 import {GestureResponderEvent, Image} from 'react-native';
 import {Divider, List, Menu, Text} from 'react-native-paper';
 import {HomePageParams} from './home-page-params';

SetList.tsx

@@ -3,7 +3,7 @@ import {
   useFocusEffect,
   useNavigation,
 } from '@react-navigation/native';
-import React, {useCallback, useEffect, useState} from 'react';
+import {useCallback, useEffect, useState} from 'react';
 import {FlatList} from 'react-native';
 import {List} from 'react-native-paper';
 import DrawerHeader from './DrawerHeader';

SettingsPage.tsx

@@ -1,6 +1,6 @@
 import {Picker} from '@react-native-picker/picker';
 import {useFocusEffect} from '@react-navigation/native';
-import React, {useCallback, useEffect, useState} from 'react';
+import {useCallback, useEffect, useState} from 'react';
 import {NativeModules, ScrollView} from 'react-native';
 import DocumentPicker from 'react-native-document-picker';
 import {Button} from 'react-native-paper';

StackHeader.tsx

@@ -1,5 +1,4 @@
 import {useNavigation} from '@react-navigation/native';
-import React from 'react';
 import Share from 'react-native-share';
 import {FileSystem} from 'react-native-file-access';
 import {Appbar, IconButton} from 'react-native-paper';

StartPlan.tsx

@@ -1,5 +1,5 @@
 import {RouteProp, useFocusEffect, useRoute} from '@react-navigation/native';
-import React, {useCallback, useMemo, useRef, useState} from 'react';
+import {useCallback, useMemo, useRef, useState} from 'react';
 import {NativeModules, TextInput, View} from 'react-native';
 import {FlatList} from 'react-native-gesture-handler';
 import {Button, List, RadioButton} from 'react-native-paper';

Switch.tsx

@@ -1,4 +1,4 @@
-import React, {useMemo} from 'react';
+import {useMemo} from 'react';
 import {Pressable} from 'react-native';
 import {Switch as PaperSwitch, Text} from 'react-native-paper';
 import {CombinedDarkTheme, CombinedDefaultTheme} from './App';

ViewBest.tsx

@@ -1,6 +1,6 @@
 import {Picker} from '@react-native-picker/picker';
 import {RouteProp, useRoute} from '@react-navigation/native';
-import React, {useEffect, useState} from 'react';
+import {useEffect, useState} from 'react';
 import {View} from 'react-native';
 import {getOneRepMax, getVolumes, getWeightsBy} from './best.service';
 import {BestPageParams} from './BestPage';

WorkoutItem.tsx

@@ -1,5 +1,5 @@
 import {NavigationProp, useNavigation} from '@react-navigation/native';
-import React, {useCallback, useMemo, useState} from 'react';
+import {useCallback, useMemo, useState} from 'react';
 import {GestureResponderEvent, Image} from 'react-native';
 import {List, Menu, Text} from 'react-native-paper';
 import ConfirmDialog from './ConfirmDialog';

WorkoutList.tsx

@@ -3,7 +3,7 @@ import {
   useFocusEffect,
   useNavigation,
 } from '@react-navigation/native';
-import React, {useCallback, useEffect, useState} from 'react';
+import {useCallback, useEffect, useState} from 'react';
 import {FlatList} from 'react-native';
 import {List} from 'react-native-paper';
 import DrawerHeader from './DrawerHeader';

WorkoutsPage.tsx

@@ -1,5 +1,4 @@
 import {createStackNavigator} from '@react-navigation/stack';
-import React from 'react';
 import EditWorkout from './EditWorkout';
 import Set from './set';
 import WorkoutList from './WorkoutList';

android/app/build.gradle

@@ -4,7 +4,7 @@ apply plugin: "kotlin-android"
 import com.android.build.OutputFile
 
 project.ext.react = [
-    enableHermes: false,  // clean and rebuild if changing
+    enableHermes: true,  // clean and rebuild if changing
 ]
 
 project.ext.vectoricons = [
@@ -17,7 +17,7 @@ apply from: "../../node_modules/react-native-vector-icons/fonts.gradle"
 def enableSeparateBuildPerCPUArchitecture = true
 def enableProguardInReleaseBuilds = true
 def jscFlavor = 'org.webkit:android-jsc:+'
-def enableHermes = project.ext.react.get("enableHermes", false);
+def enableHermes = project.ext.react.get("enableHermes", true);
 
 def reactNativeArchitectures() {
     def value = project.getProperties().get("reactNativeArchitectures")

android/app/proguard-rules.pro

@@ -44,3 +44,6 @@
 -dontwarn java.nio.file.*
 -dontwarn org.codehaus.mojo.animal_sniffer.IgnoreJRERequirement
 -dontwarn okio.**
+
+-keep class com.facebook.hermes.unicode.** { *; }
+-keep class com.facebook.jni.** { *; }