import {
Animated,
} from 'react-native';
constructor(props){
super(props)
this.state={
fadeInOpacity: new Animated.Value(0), // 初始值
}
}
componentDidMount(){
Animated.timing(this.state.fadeInOpacity, {
toValue: 1, // 目标值
}).start();
}
render(){
return(
<Animated.View style={{
opacity: this.state.fadeInOpacity,justifyContent:'center',alignItems:'center',
backgroundColor:"#333",width:common.deviceWidth,height:common.deviceWidth*0.055}}>
<Text style={{color:"white"}}>123</Text>
</Animated.View>
)
}