flex布局切记，最外层要加：{{flex：1}}

<View style={{ flex: 1 }}>

<Tabs>

<TabPane tab="Tab01" key="junior">

<Text>{"Tab内容001"}</Text>

</TabPane>

<TabPane tab="Tab02" key="middle">

<Text>{"Tab2内容002"}</Text>

</TabPane>

</Tabs>

</View>;