RN

React Native 键盘挡住输入框解决方法

2019-06-21  本文已影响22人  Volon
一、使用ref 选中外层的ScrollView标签

二、在componentDidMount方法中对键盘进行监听


 // 监听键盘
        this.keyboardWillShowListener = Keyboard.addListener('keyboardWillShow', this.keyboardDidShow);
        this.keyboardWillHideListener = Keyboard.addListener('keyboardWillHide', this.keyboardDidHide);

三、监听方法


 //键盘弹起后执行
    keyboardDidShow = (e) => {
        console.log(e)
        this._scrollView.scrollTo({x: 0, y: e.startCoordinates.height, animated: true});
    }

    //键盘收起后执行
    keyboardDidHide = () => {
        this._scrollView.scrollTo({x: 0, y: 0, animated: true});
    }

四、退出时注销监听


 this.keyboardWillShowListener && this.keyboardWillShowListener.remove();
 this.keyboardWillHideListener && this.keyboardWillHideListener.remove();
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