Javascript 如何呈现包含react native视图的函数?
如何呈现包含react native视图的函数?我得到的是一个空白的白色屏幕 这不起作用:Javascript 如何呈现包含react native视图的函数?,javascript,reactjs,react-native,Javascript,Reactjs,React Native,如何呈现包含react native视图的函数?我得到的是一个空白的白色屏幕 这不起作用: class App extends React.Component { render() { return ( <View style = { styles.container }> {this._renderMapView.bind( this )}
class App extends React.Component {
render() {
return (
<View style = { styles.container }>
{this._renderMapView.bind( this )}
</View>
);
}
_renderMapView () {
return <MapView style = { styles.mapView } </MapView>
}
}
类应用程序扩展了React.Component{
render(){
返回(
{this._renderMapView.bind(this)}
);
}
_renderMapView(){
return可能是因为renderMapView没有返回任何内容
_renderMapView () {
return <MapView style = { styles.mapView } </MapView>
}
\u renderMapView(){
return可能是因为renderMapView没有返回任何内容
_renderMapView () {
return <MapView style = { styles.mapView } </MapView>
}
\u renderMapView(){
return试试这个。不要使用绑定(这个)
因为您正在调用函数。请尝试此操作。不要使用bind(this)
因为您正在调用一个函数。在返回的renderMapView missing()中尝试以下操作:
类应用程序扩展了React.Component{
render(){
返回(
{this._renderMapView.bind(this)}
);
}
_renderMapView(){
return(在return\u renderMapView missing()中尝试以下操作:
类应用程序扩展了React.Component{
render(){
返回(
{this._renderMapView.bind(this)}
);
}
_renderMapView(){
return(最终得到答案remove bind and add return()
谢谢大家
class App extends React.Component {
render() {
return (
<View style = { styles.container }>
{this._renderMapView()}
</View>
);
}
_renderMapView () {
return (
<MapView style = { styles.mapView } </MapView>
);
}
}
类应用程序扩展了React.Component{
render(){
返回(
{this.\u renderMapView()}
);
}
_renderMapView(){
返回(
最终得到了答案remove bind and add return()
谢谢大家
class App extends React.Component {
render() {
return (
<View style = { styles.container }>
{this._renderMapView()}
</View>
);
}
_renderMapView () {
return (
<MapView style = { styles.mapView } </MapView>
);
}
}
类应用程序扩展了React.Component{
render(){
返回(
{this.\u renderMapView()}
);
}
_renderMapView(){
返回(
我也没有回来,也没有出来。
class App extends React.Component {
render() {
return (
<View style = { styles.container }>
{this._renderMapView.bind( this )}
</View>
);
}
_renderMapView () {
return (<MapView style = { styles.mapView } </MapView>);
}
}
class App extends React.Component {
render() {
return (
<View style = { styles.container }>
{this._renderMapView()}
</View>
);
}
_renderMapView () {
return (
<MapView style = { styles.mapView } </MapView>
);
}
}