React Native中ParallaxScrollView模块报错求助：类型声明缺失及安装失败

Let’s work through both of your problems step by step to get your parallax scroll view up and running:

1. Resolving the "Could not find a declaration file" Error #

The TypeScript error occurs because react-native-parallax-scrollview doesn’t have official type definitions (which is why npm install @types/react-native-parallax-scrollview fails—those types don’t exist in the npm registry). You have two straightforward fixes:

Option 1: Create a Custom Declaration File #

• In your project root, make a new folder called typings (if it doesn’t already exist).
• Inside typings, create a file named react-native-parallax-scrollview.d.ts with this content:

  declare module 'react-native-parallax-scrollview';
  

• Update your tsconfig.json to include this folder in type checking. Add "./typings/**/*" to the include array:

  {
    "include": [
      "src/**/*",
      "./typings/**/*"
    ]
  }
  

Option 2: Skip Type Checking for This Module #

If you don’t want to set up custom typings, add a // @ts-ignore comment above your import to bypass TypeScript’s type check for this module:

// @ts-ignore
import ParallaxScrollView from 'react-native-parallax-scrollview';

2. Fixing the Initial "expected string or class/function" Error #

Looking at your code, the root cause here is incorrect formatting for the backgroundSource and userImage props. The react-native-parallax-scrollview expects these to match React Native’s Image component source format—network images need to be passed as an object with a uri key, not a raw string.

Update those props in your component:

<ParallaxScrollView
  windowHeight={SCREEN_HEIGHT * 0.4}
  backgroundSource={{ uri: 'http://i.imgur.com/UyjQBkJ.png' }} // Fixed format
  navBarTitle='John Oliver'
  userName='John Oliver'
  userTitle='Comedian'
  userImage={{ uri: 'http://i.imgur.com/RQ1iLOs.jpg' }} // Fixed format
  leftIcon={{name: 'rocket', color: 'rgba(131, 175, 41, 1)', size: 30, type: 'font-awesome'}}
  rightIcon={{name: 'user', color: 'rgba(193, 193, 193, 1)', size: 30, type: 'font-awesome'}}
/>

After making these changes, your parallax scroll view should render without those initial errors.

内容的提问来源于stack exchange，提问作者Deepthi Sareddy