<WebView
                ref={webViewRef}
                source={{ uri: params.url }}
                originWhitelist={["*"]}
                onNavigationStateChange={handleNavigationChange}
                onLoadProgress={handleLoadProgress}
                injectedJavaScript={injectedJavaScript}
                javaScriptEnabled={true}
                mixedContentMode="always"
                onMessage={handleMessage} /> 

This is my code in which i getting the url, ND PASSING to the webview to show the payment gateway, any more interracting way like adding back buttons, in order to navigate back and front.