我的屏幕上有一个日期选择器和一个文本输入。为了避免难看的过渡，我想在显示日期选择器之前关闭键盘。
目前，由于我不知道如何在键盘关闭时调用回调，因此我正在执行以下操作:
const showBirthdayPicker = () => {
// Dismiss the keyboard to avoid ugly transitions
Keyboard.dismiss();
setTimeout(() => {
datePickerRef.current.show();
}, 500);
};
这可行，但此解决方案有一个问题...如果在运行此函数之前关闭键盘，用户将尝试不必要的 0.5 秒延迟...
还有其他方法可以做到这一点吗？我一直在看documentation键盘但关闭时没有回调。
最佳答案
根据文档，您可以监听keyboardDidHide事件来观察键盘是否被关闭。下面是一个简单的示例
const showBirthdayPicker = () => {
// Dismiss the keyboard to avoid ugly transitions
Keyboard.addListener('keyboardDidHide', onKeyboardDidHide);
Keyboard.dismiss();
};
const onKeyboardDidHide = (event) => {
Keyboard.removeListener('keyboardDidHide', onKeyboardDidHide);
datePickerRef.current.show();
};
根据文档
Note that if you set android:windowSoftInputMode to adjustResize or adjustPan, only keyboardDidShow and keyboardDidHide events will be available on Android. If you set android:windowSoftInputMode to adjustNothing, no events will be available on Android. keyboardWillShow as well as keyboardWillHide are generally not available on Android since there is no native corresponding event.
关于javascript - React Native 键盘关闭时的回调，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/63685248/