React Native TabBarIOS“更多...”按钮崩溃

Question

当我向标签栏添加5个以上的标签时，会出现“更多...”按钮代替溢出的项目。在我的iPhone 6s模拟器中单击该按钮时，它会崩溃，表示选项卡索引超出了数组的范围。

要REPRO ....我有一个新的v0.22项目。这是我的index.ios.js，当单击“更多...”按钮时崩溃...

 /**
 * Sample React Native App
 * https://github.com/facebook/react-native
 */

import React, {
    AppRegistry,
    Component,
    StyleSheet,
    Text,
    View,
    TabBarIOS,
} from 'react-native';

class SampleTabsIos extends Component {
    constructor(props) {
        super(props);
        this.state = {
            selectedTab: 'TabOne'
        };
    }

    render() {
        return (
                <TabBarIOS>
                    <TabBarIOS.Item
                        title="Tab 1"
                        selected={this.state.selectedTab === 'TabOne'}
                        onPress={() => {
                            this.setState({
                              selectedTab: 'TabOne',
                            });
                        }}>
                        <Text>Tab 1</Text>
                    </TabBarIOS.Item>

                    <TabBarIOS.Item
                        title="Tab 2"
                        selected={this.state.selectedTab === 'TabTwo'}
                        onPress={() => {
                            this.setState({
                              selectedTab: 'TabTwo',
                            });
                        }}>
                        <Text>Tab 2</Text>
                    </TabBarIOS.Item>

                    <TabBarIOS.Item
                        title="Tab 3"
                        selected={this.state.selectedTab === 'TabThree'}
                        onPress={() => {
                            this.setState({
                              selectedTab: 'TabThree',
                            });
                        }}>
                        <Text>Tab 3</Text>
                    </TabBarIOS.Item>

                    <TabBarIOS.Item
                        title="Tab 4"
                        selected={this.state.selectedTab === 'TabOne'}
                        onPress={() => {
                            this.setState({
                              selectedTab: 'TabOne',
                            });
                        }}>
                        <Text>Tab 4</Text>
                    </TabBarIOS.Item>

                    <TabBarIOS.Item
                        title="Tab 5"
                        selected={this.state.selectedTab === 'TabFive'}
                        onPress={() => {
                            this.setState({
                              selectedTab: 'TabFive',
                            });
                        }}>
                        <Text>Tab 5</Text>
                    </TabBarIOS.Item>

                    <TabBarIOS.Item
                        title="Tab 6"
                        selected={this.state.selectedTab === 'TabSix'}
                        onPress={() => {
                            this.setState({
                              selectedTab: 'TabSix',
                            });
                        }}>
                        <Text>Tab 6</Text>
                    </TabBarIOS.Item>
                </TabBarIOS>
        );
    }
}

const styles = StyleSheet.create({
    container   : {
        flex           : 1,
        justifyContent : 'center',
        alignItems     : 'center',
        backgroundColor: '#F5FCFF',
    },
    welcome     : {
        fontSize : 20,
        textAlign: 'center',
        margin   : 10,
    },
    instructions: {
        textAlign   : 'center',
        color       : '#333333',
        marginBottom: 5,
    },
});

AppRegistry.registerComponent('SampleTabsIos', () => SampleTabsIos);

如果它有用 - 这里是崩溃/堆栈跟踪

*** Terminating app due to uncaught exception 'NSRangeException', reason: '*** -[__NSArrayM objectAtIndex:]: index 9223372036854775807 beyond bounds [0 .. 5]'
*** First throw call stack:
(
    0   CoreFoundation                      0x0000000109c91f65 __exceptionPreprocess + 165
    1   libobjc.A.dylib                     0x0000000108e8fdeb objc_exception_throw + 48
    2   CoreFoundation                      0x0000000109b75a94 -[__NSArrayM objectAtIndex:] + 212
    3   SampleTabsIos                       0x00000001087bec98 -[RCTTabBar tabBarController:shouldSelectViewController:] + 184
    4   UIKit                               0x000000010b78b791 -[UITabBarController _tabBarItemClicked:] + 149
    5   UIKit                               0x000000010b5a31fa -[UIApplication sendAction:to:from:forEvent:] + 92
    6   UIKit                               0x000000010b955f79 -[UITabBar _sendAction:withEvent:] + 451
    7   UIKit                               0x000000010b5a31fa -[UIApplication sendAction:to:from:forEvent:] + 92
    8   UIKit                               0x000000010b707504 -[UIControl sendAction:to:forEvent:] + 67
    9   UIKit                               0x000000010b7077d0 -[UIControl _sendActionsForEvents:withEvent:] + 311
    10  UIKit                               0x000000010b95af9f -[UITabBar(Static) _buttonUp:] + 103
    11  UIKit                               0x000000010b5a31fa -[UIApplication sendAction:to:from:forEvent:] + 92
    12  UIKit                               0x000000010b707504 -[UIControl sendAction:to:forEvent:] + 67
    13  UIKit                               0x000000010b7077d0 -[UIControl _sendActionsForEvents:withEvent:] + 311
    14  UIKit                               0x000000010b706906 -[UIControl touchesEnded:withEvent:] + 601
    15  UIKit                               0x000000010b60daa3 -[UIWindow _sendTouchesForEvent:] + 835
    16  UIKit                               0x000000010b60e691 -[UIWindow sendEvent:] + 865
    17  UIKit                               0x000000010b5c0752 -[UIApplication sendEvent:] + 263
    18  UIKit                               0x000000010b59bfcc _UIApplicationHandleEventQueue + 6693
    19  CoreFoundation                      0x0000000109bbe0a1 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
    20  CoreFoundation                      0x0000000109bb3fcc __CFRunLoopDoSources0 + 556
    21  CoreFoundation                      0x0000000109bb3483 __CFRunLoopRun + 867
    22  CoreFoundation                      0x0000000109bb2e98 CFRunLoopRunSpecific + 488
    23  GraphicsServices                    0x000000010e664ad2 GSEventRunModal + 161
    24  UIKit                               0x000000010b5a1676 UIApplicationMain + 171
    25  SampleTabsIos                       0x0000000108716d0f main + 111
    26  libdyld.dylib                       0x000000010d1a892d start + 1
    27  ???                                 0x0000000000000001 0x0 + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException