小编Dmi*_*hev的帖子

堆栈导航器之间的反应导航 goBack

在我的 React 原生应用程序中,我使用的是“react-navigation”:“^3.11.0”。我有顶级bottomTabNavigator

const TabNavigator = createBottomTabNavigator({
    Main: {
        screen: balanceStack,
        navigationOptions: {
            tabBarLabel: I18n.t("balanceTabLabel"),
            tabBarIcon: ({ tintColor}: {tintColor: string}) => (
                <Icon name="home" style={{color: tintColor}} />
            )
        }
    },
    ServicesStack: {
        screen: servicesStack,
        navigationOptions: {
            tabBarLabel: I18n.t("servicesTabLabel"),
            tabBarIcon: ({ tintColor}: {tintColor: string}) => (
                <Icon name="list-box" style={{color: tintColor}} />
            )
        }
    },

}, {
    tabBarOptions: {
        activeTintColor: WHITE_COLOR,
        inactiveTintColor: WHITE_COLOR,
        style: {
            backgroundColor: PRIMARY_COLOR,
        }
    },
    backBehavior: 'history',
    swipeEnabled: true,
});
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每个选项卡的堆栈导航器:

const balanceStack = createStackNavigator({
    Balance: {
        screen: …
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react-native react-navigation

6
推荐指数
1
解决办法
848
查看次数

领域 js:访问无效的结果对象

我在我的 React 本机应用程序中使用领域,尝试从领域数据库查询对象列表。

function* loadPlaces() {
    let realm;
    try {
        const filter = yield select(getFilter);
        realm = yield call(Realm.open, {schema: [PlaceSchema]});
        let places = realm.objects(PlaceSchema.name);
        if (filter.search) {
            places = places.filtered("name CONTAINS $0", filter.search);
        }
        switch (filter.sort) {
            case Sort.BY_NAME:
                places = places.sorted('name');
                break;
        }
        yield put(loadPlacesSucceed(places));
    } catch (e) {
        console.warn(e.message);
    } finally {
        if (realm) {
            realm.close();
        }
    }
}
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之后,我在 flatlist 中使用结果数据:

<FlatList
        data={this.props.items}
        keyExtractor={(item) => '' + item.id}
        renderItem={({item}) =>
            <PlaceItem item={item} onClick={(item) => this._onItemClicked(item)}/>}/>
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并收到错误: …

realm realm-js

5
推荐指数
2
解决办法
2343
查看次数

标签 统计

react-native ×1

react-navigation ×1

realm ×1

realm-js ×1