React Native Alert 可以等待用户响应吗?

问题描述：

React native Alert 是否可以等待用户的响应(就像暂停应用程序一样)而不是弹出并继续执行以下逻辑?

Can React native Alert wait for user's response (just like pausing the app) instead of just popup and proceed the following logic?

我认为 js alert 只会暂停应用程序.

I think js alert will just pause the application.

答

您可以使用 Alert 执行以下操作:

Here's what you can do with Alert:

你可以用false设置cancelable，这样用户不按按钮就不能关闭警报

You can set cancelable with false, so the user can't close the alert without pressing a button

您可以为每个按钮设置回调.

You can set a callback with each button.

你也可以用 Promise 包装 Alert，这样你就可以使用 async

Also you can wrap the Alert with Promise so you can use async

const AsyncAlert = () => {
    return new Promise((resolve, reject) => {
        Alert.alert(
            'Title',
            'Message',
            [
                {text: 'YES', onPress: () => resolve('YES') },
                {text: 'NO', onPress: () => resolve('NO') }
            ],
            { cancelable: false }
        )
    })
}    

// Then to use the method
const userResponse = await AsyncAlert()
// ...the rest of your code

React Native Alert 可以等待用户响应吗?

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