Discover React Native for creating rich, cross-platform mobile apps with reusable components. Gain insights into UI components, styling, navigation, Hooks, state, and database management.

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reactNative

React Native is a well-known mobile application development framework that allows developers to create rich, cross-platform mobile application UI using reusable components. It's ideal for building mobile applications and supports multi-platform reusable code, pre-built components, and a rich UI. Most well-known social media platforms, such as Facebook and Instagram, have been built using React Native. 

In this course, you’ll start with a brief introduction to React Native and then cover various built-in components of React Native categorized into different categories such as basic, user interface, user interaction, and list view components. Next, you’ll learn about concepts such as application styling, navigation, Hooks, state management, and database management. You’ll find interactive quizzes and challenges throughout the course to test your understanding.

By the end of this course, you’ll be able to develop mobile applications and kickstart your journey as a React Native developer.

Getting Started with Mobile App Development with React Native

Cloud Firestore stores data in the form of a JSON tree.

Cloud Firestore provides automatic scaling.

Cloud Firestore stores data in the form of documents.

Cloud Firestore provides deep queries with limited sorting and filtering functionality.

**(Select all that apply.)** Which statement about Cloud Firestore is correct?

(Select all that apply.) Which statement about Cloud Firestore is correct?

**(True or False)** Firebase is a SQL database document.

(True or False) Firebase is a SQL database document.

**(Select all that apply.)** Which features are provided by Firebase?

(Select all that apply.) Which features are provided by Firebase?

**(True or False)** Cloud Firestore does not persist data in the local cache.

(True or False) Cloud Firestore does not persist data in the local cache.

**(Select all that apply.)** Which parameters are passed inside the `collection` function?

(Select all that apply.) Which parameters are passed inside the <code>collection</code> function?

```javascript
const read = async () => {
    const docRef = collection(db, "books");
    const q = query(docRef, where("name", "==", "East Of Eden"));
    const docData = await getDocs(q);
    if (docData.size == 0) {
      Alert.alert("No such book exists!");
    }
    else {
      docData.forEach((doc) => {
        Alert.alert(`Book name: ${doc.data().name}`);
      });
    }
  }
```

```javascript
const read = async () => {
    const docRef = collection("books");
    const q = query(docRef, where("name", "==", "East Of Eden"));
    const docData = await getDocs(q);
    if (docData.size == 0) {
      Alert.alert("No such book exists!");
    }
    else {
      docData.forEach((doc) => {
        Alert.alert(`Book name: ${doc.data().name}`);
      });
    }
  }
```

```javascript
const read = async () => {
    const docRef = collection( "books",db);
    const q = query(where("name", "==", "East Of Eden"));
    const docData = await getDocs(q);
    if (docData.size == 0) {
      Alert.alert("No such book exists!");
    }
    else {
      docData.forEach((doc) => {
        Alert.alert(`Book name: ${doc.data().name}`);
      });
    }
  }
```

What is the correct method to read data from the `books` collection inside the Cloud Firestore database?

What is the correct method to read data from the <code>books</code> collection inside the Cloud Firestore database?

Quiz yourself on what you've learned about database management in React Native.

Before We Begin

Introduction to React Native

Basic Components

User Interface and User Interaction

List View

Android Components and APIs

Miscellaneous Components and APIs

Application Styling

Navigation

Hooks

State Management

Database Management

Appendix

Quiz: Database Management