How to change permission message in dialog box for Android (React Native)?

In React Native, you can change the permission message in the dialog box for Android by using the react-native-permissions library. This library provides an easy way to request and check permissions on both iOS and Android platforms.

Here's how you can use react-native-permissions to customize the permission message for Android:

1. Install the Library: First, install the react-native-permissions library in your React Native project:

   bashCopy code
   npm install react-native-permissions
   

   If you're using React Native 0.60 or above, the library should be linked automatically. If not, you can link it manually using react-native link react-native-permissions.

2. Request Permissions: In your React Native component, import the necessary modules from react-native-permissions and use the request function to request the desired permission:

   javascriptCopy code
   import React from 'react';
   import { View, Button } from 'react-native';
   import { request, PERMISSIONS, RESULTS } from 'react-native-permissions';
   
   const MyComponent = () => {
     const handlePermissionRequest = async () => {
       try {
         const result = await request(PERMISSIONS.ANDROID.CAMERA, {
           title: 'Custom Camera Permission',
           message: 'We need your permission to access the camera for custom camera features.',
           buttonPositive: 'Grant',
           buttonNegative: 'Deny',
           buttonNeutral: 'Ask Later',
         });
   
         if (result === RESULTS.GRANTED) {
           console.log('Camera permission granted');
         } else {
           console.log('Camera permission denied');
         }
       } catch (error) {
         console.error('Error while requesting permission:', error);
       }
     };
   
     return (
       <View>
         <Button title="Request Camera Permission" onPress={handlePermissionRequest} />
       </View>
     );
   };
   
   export default MyComponent;
   

   In the example above, we request the camera permission with a custom message and button labels. You can modify the title, message, buttonPositive, buttonNegative, and buttonNeutral properties to customize the permission dialog box.

3. Check Permission Status: You can also use check function to check the current status of a permission without requesting it:

   javascriptCopy code
   import { check, PERMISSIONS, RESULTS } from 'react-native-permissions';
   
   const checkCameraPermission = async () => {
     try {
       const result = await check(PERMISSIONS.ANDROID.CAMERA);
       if (result === RESULTS.GRANTED) {
         console.log('Camera permission is granted');
       } else if (result === RESULTS.DENIED) {
         console.log('Camera permission is denied');
       } else if (result === RESULTS.UNAVAILABLE) {
         console.log('Camera permission is not available on this device');
       } else if (result === RESULTS.BLOCKED) {
         console.log('Camera permission is blocked');
       }
     } catch (error) {
       console.error('Error while checking permission:', error);
     }
   };
   

Using react-native-permissions, you can easily customize the permission message for Android and handle permission requests in your React Native app. Keep in mind that the actual behavior of the permission dialog may vary depending on the Android version and the user's device settings.