Connecting Metamask to Your Web App on Mobile Devices
As you’re using Web3.js on your desktop and want to access your MetaMask balance from a mobile app, you’ll need to follow these steps. This article will guide you through the process.
Step 1: Enable Web App Access (WAX)
To enable WAX (Web Application Access) in MetaMask, follow these steps:
- Open MetaMask on your desktop.
- Go to
Tools >
Advanced Settings.
- Scroll down to the “Enable Web App Access” section and toggle the switch to the right.
Step 2: Install MetaMask for Desktop
For Android devices:
npm install metamask
For iOS devices:
pod install Metamask
Step 3: Initialize MetaMask on Mobile Devices
- Open your mobile app and go to
Settings.
- Scroll down to the “Web Apps” section and toggle the switch to enable WAX (Web Application Access).
- You should now be able to access MetaMask from your app.
Step 4: Connect to WebAppAccessProvider
To connect to WebAppAccessProvider, you’ll need to use a provider that allows MetaMask to communicate with your desktop app. One such provider is web3 provider.
Here’s an example code snippet:
import { ethers } from 'web3-provider';
const provider = new ethers.providers.Web3Provider(window.ethereum);
const metamaskAddress = 'YOUR_METAMASK_ADDRESS'; // Replace with your MetaMask address
// Get the current balance of your MetaMask wallet
async function getMetamaskBalance() {
const accounts = await provider.getAccounts();
return await accounts[0].balance;
}
getMetamaskBalance().then((balance) => console.log(balance));
Step 5: Integrate with Your Web App
To integrate the web3 provider with your desktop app, you can use a library like react-web3-provider. Here’s an example code snippet:
import { ethers } from 'web3-provider';
const provider = new ethers.providers.Web3Provider(window.ethereum);
export const getMetamaskBalance = async () => {
return await provider.get balance();
};
Tips and Variations
- Make sure to replace
YOUR_METAMASK_ADDRESSwith your actual MetaMask address.
- If you’re using a custom provider, ensure it’s properly configured for WAX (Web Application Access).
- For Android devices, make sure to enable “Web Apps” in the app settings.
By following these steps and adapting this guide to your specific use case, you should be able to connect to MetaMask from your web app on mobile devices using Web3.js. Happy coding!
