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

**(True or False)** The `BackHandler` API can only be used for back navigation.
```
BackHandler.addEventListener(
    "hardwareBackPress",
    {/*someFunction()*/}
);
```

(True or False) The <code>BackHandler</code> API can only be used for back navigation.
<pre><code>BackHandler.addEventListener(
 &quot;hardwareBackPress&quot;,
 {/*someFunction()*/}
);
</code></pre>

**(True or False)** The `renderNavigationView` prop in `DrawerLayoutAndroid` is used to create a reference to the drawer created.
```
<DrawerLayoutAndroid
 renderNavigationView={() => navigationView}
 ref={ drawerRef }
>
 {/* Children components */}
 </DrawerLayoutAndroid>
```

(True or False) The <code>renderNavigationView</code> prop in <code>DrawerLayoutAndroid</code> is used to create a reference to the drawer created.
<pre><code>&lt;DrawerLayoutAndroid
 renderNavigationView={() =&gt; navigationView}
 ref={ drawerRef }
&gt;
 {/* Children components */}
 &lt;/DrawerLayoutAndroid&gt;
</code></pre>

**(Select all that apply.)** Which toast position is available inside the `showWithGravity` method of the `ToastAndroid` API?

(Select all that apply.) Which toast position is available inside the <code>showWithGravity</code> method of the <code>ToastAndroid</code> API?

```javascript
ToastAndroid.showWithGravityAndOffset(
  "Sample Toast", 
  ToastAndroid.SHORT, 
  ToastAndroid.CENTER,
  500,
  1000
);
```

```javascript
ToastAndroid.showWithGravityAndOffset(
  "Sample Toast", 
  500,
  1000
);
```

```javascript
ToastAndroid.showCustomToast(
  "Sample Toast", 
  ToastAndroid.SHORT, 
  ToastAndroid.CENTER,
  500,
  1000
);
```

```javascript
ToastAndroid.showWithGravity(
  "Sample Toast", 
  ToastAndroid.SHORT, 
  ToastAndroid.CENTER,
  500,
  1000
);
```

What is the correct method of displaying a toast that is at an offset of 500 pixels from the x-axis and 1000 pixels from the y-axis?

What is the correct method of displaying a toast that is at an offset of 500 pixels from the x-axis and 1000 pixels from the y-axis?

**(Select all that apply.)** Which Android permission is classified as dangerous?

(Select all that apply.) Which Android permission is classified as dangerous?

Quiz yourself on what you've learned about the Android components and APIs of 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: Android Components and APIs