軟鍵盤(pán)消失穷娱，焦點(diǎn)依然還在textInput中導(dǎo)致需要點(diǎn)擊兩次按鈕，監(jiān)聽(tīng)軟鍵盤(pán)的消失方法运沦，然后在消失方法里面泵额，再一次調(diào)用軟鍵盤(pán)消失方法
const dismissKeyboard = require('dismissKeyboard'); //引入
componentWillMount () {
this.keyboardDidShowListener = Keyboard.addListener('keyboardDidShow', this._keyboardDidShow);
this.keyboardDidHideListener = Keyboard.addListener('keyboardDidHide', this._keyboardDidHide);
}
componentWillUnmount() {
this.keyboardDidShowListener.remove();
this.keyboardDidHideListener.remove();
}
_keyboardDidShow () {
}
_keyboardDidHide () {
dismissKeyboard();
}
