added original code

README.md

@@ -30,6 +30,73 @@ function MyApp() {
 }
 ```
 
+## original working code
+```
+import React, { useEffect, useState } from 'react';
+import { WebView } from 'react-native-webview';
+
+const Web3View = ({address, url}) => {
+    const [injectedJavaScript, setInjectedJavaScript] = useState(null);
+
+  useEffect(() => {
+    const injectedScript = `
+        console.log("Injected script running...");
+        window.ReactNativeWebView.postMessage("Injected script started!");
+
+        window.ethereum = {
+            isMetaMask: true,
+            isConnected: () => true,
+            chainId: '0x1',
+            selectedAddress: '${address}',
+            request: function({ method, params }) {
+                window.ReactNativeWebView.postMessage("DApp requested method: " + method + ", Params: " + JSON.stringify(params));
+
+                switch (method) {
+                    case 'eth_accounts':
+                        return Promise.resolve([ '${address}' ]);
+                    case 'eth_requestAccounts':
+                        return Promise.resolve([ '${address}' ]);
+                    case 'eth_chainId':
+                        return Promise.resolve('0x1');  // Ethereum Mainnet
+                    case 'eth_blockNumber':
+                        return Promise.resolve('0x5BAD55'); // Mock block number
+                    case 'eth_call':
+                        // Log params and potentially mock response based on it
+                        console.log("eth_call with params:", params);
+                        return Promise.reject("eth_call not implemented yet.");
+                    default:
+                        console.error("Unhandled method call from DApp:", method);
+                        return Promise.reject(new Error("Unhandled method: " + method));
+                }
+            },
+            enable: async function() {
+                return ['${address}'];
+            }
+        };
+
+        window.web3 = { currentProvider: window.ethereum };
+
+        true;  // ensure the injected script doesn't return a value
+    `;
+
+    setInjectedJavaScript(injectedScript);
+}, [address]);
+
+    return (<WebView
+            source={{ uri: url }}
+            style={{ flex: 1, width: '100%' }}
+            startInLoadingState={true}
+            javaScriptEnabledAndroid={true}
+            onMessage={(event) => {
+                console.log('Message from WebView:', event.nativeEvent.data);
+            }}
+            injectedJavaScript={injectedJavaScript}
+        />)
+};
+
+export default Web3View;
+```
+
 ## Contributing
 
 See the [contributing guide](CONTRIBUTING.md) to learn how to contribute to the repository and the development workflow.