https://www.alipay.com/?authCode=d2f60253-ecdc-e9bc-27d1-566970191040&authState=663A8FA9-D836-48EE-8AA1-1FF682989DC7

{
  "authCode": "663A8FA9D83648EE8AA11FF68298XXXX",
  "customerBelongsTo": "GCASH",
  "grantType": "AUTHORIZATION_CODE"
}

{
  "result": {
    "resultCode": "SUCCESS",
    "resultStatus": "S",
    "resultMessage": "Success"
  }
}

if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 10.0) {
    [[UIApplication sharedApplication] openURL:[NSURL URLWithString:Url] options:@{} completionHandler:nil];
}else{ 
    [[UIApplication sharedApplication] openURL:[NSURL URLWithString:Url]];
}

// Initialize webview configuration
WKWebViewConfiguration *configuration = [[WKWebViewConfiguration alloc]init];
// Initialize webView 
WKWebView *webView = [[WKWebView alloc]initWithFrame:CGRectMake(0, 0, [UIScreen mainScreen].bounds.size.width， [UIScreen mainScreen].bounds.size.height) configuration:configuration];
webView.navigationDelegate = self;
//Load the payment method URL
[webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:Url]]];
[self.view addSubview:self.webView];

- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler{
    // WKWebView intercepts the redirection by default. Enable the redirection in the following ways.
    // Operations such as opening Safari
    NSURL *url = navigationAction.request.URL;
    NSString *absoluteString = url.absoluteString;
    NSString *scheme = url.baseURL.scheme;

    DLog(@"navigationAction.request.URL.absoluteString=====> %@", absoluteString);
    if ([absoluteString isEqualToString:@"about:blank"]) {
        decisionHandler(WKNavigationActionPolicyCancel);
    }
    if (!([absoluteString containsString:@"https://"] || [absoluteString containsString:@"http://"])) {
        if ([absoluteString containsString:@"://"]) {
            NSString *urlHeader =  [absoluteString componentsSeparatedByString:@"://"][0];
            [MBProgressHUD showAutoMessage:[NSString stringWithFormat:@"Scheme\n%@://", urlHeader] toView:self.view];
            dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2.0 * NSEC_PER_SEC)), dispatch_get_main_queue()， ^{
                [self openAppWithUrlStr:navigationAction.request.URL];
                decisionHandler(WKNavigationActionPolicyAllow);
            });
        }
    } else {
        decisionHandler(WKNavigationActionPolicyAllow);
    }
}

[self.wkWebView evaluateJavaScript:bridge completionHandler:nil];

SFSafariViewController *safariVC = [[SFSafariViewController alloc] initWithURL:Url entersReaderIfAvailable:NO];
safariVC.delegate = self;
[self.navigationController presentViewController:safariVC animated:YES completion:nil];

NSString *walletSchemeUrl = @"gcash://";

if ([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:walletSchemeUrl]]){
    // The payment method app is installed. Open the app directly.
    [[UIApplication sharedApplication] openURL:[NSURL URLWithString:Url] options:@{} completionHandler:nil];
    
    return YES;
} else {
    // The payment method app is not installed. We recommend that you load the mobile website in WebView.
    SFSafariViewController *safariVC = [[SFSafariViewController alloc] initWithURL:Url entersReaderIfAvailable:NO];
    safariVC.delegate = self;
    [self.navigationController presentViewController:safariVC animated:YES completion:nil];
    
    return NO;
}

try {
    Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(Url));
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 
    // use the startActivity function to redirect to the wallet app 
    startActivity(intent);
} catch (Exception e) {
    e.printStackTrace();
}

Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(applinkUrl));
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 
//Specify the package name of the payment method
intent.setPackage(walletPackageName);
PackageManager packageManager = MainActivity.this.getPackageManager();
//Check whether there is an app that supports opening this link.
List<ResolveInfo> activities = packageManager.queryIntentActivities(intent, 0);
if (activities.size() <= 0) {
   //The payment method app is not installed. Initialize the Intent object. This link will be opened by the default Android method.
   intent = new Intent(Intent.ACTION_VIEW, Uri.parse(applinkUrl));
   intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
     startActivity(intent);
} else {
  //The payment method app is installed. Specify the package name of the payment method and open the payment method URL. The disambiguation dialog box will not appear.
     startActivity(intent);
}

WebView webView = findViewById(R.id.webview);
//Set webview
webView.setWebViewClient(new WebViewClient() {
    @Override
    public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
        view.loadUrl(request.getUrl().toString());
        return super.shouldOverrideUrlLoading(view, request);
    }});

WebSettings webSettings = webView.getSettings();
//Enable javascript
webSettings.setJavaScriptEnabled(true);
//Enable scaling
webSettings.setSupportZoom(true);
//Enable scaling controls (buttons)
webSettings.setBuiltInZoomControls(true);
//Webview has two cache modes. Cache is not used here.
webSettings.setCacheMode(WebSettings.LOAD_NO_CACHE);
//Allow JavaScript to open a new tab (false by default)
webSettings.setJavaScriptCanOpenWindowsAutomatically(true);
//Allow JavaScript to load local storage
webSettings.setDomStorageEnabled(true);
//WAP cache size (settings are not needed)
//webSettings.setAppCacheMaxSize(1024 * 1024 * 8);
//WAP cache path
String absolutePath = getApplicationContext().getCacheDir().getAbsolutePath();
//WAP cache size
webSettings.setAppCachePath(absolutePath);
//Set whether to allow WebView to access files (true by default)
webSettings.setAllowFileAccess(true);
//Allow WAP cache to be saved
webSettings.setAppCacheEnabled(true);
//In preview mode, if the page width exceeds the WebView display, scale down the page to fit WebView (false by default)
webSettings.setLoadWithOverviewMode(true);
//Support the viewport HTML meta tag
webSettings.setUseWideViewPort(true);
//Load the payment method URL
webView.loadUrl(Url);

@Override
public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
    if (request.getUrl().toString().startsWith("http")) {
        view.loadUrl(request.getUrl().toString());
        return super.shouldOverrideUrlLoading(view, request);
    } else {
        view.onPause();
        view.stopLoading();
        try {
          Intent intent = Intent.parseUri(uri, Intent.URI_INTENT_SCHEME);
          intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
          view.getContext().startActivity(intent);
        } catch (URISyntaxException e) {
          //Alert that this scheme is not supported
        }
        return false;
    }
}

@JavascriptInterface
    public void openActivity(String url) {
        //Add the code if needed
        try {
        Intent intent = Intent.parseUri(uri, Intent.URI_INTENT_SCHEME);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        context.startActivity(intent);
    } catch (Exception e) {
        Toast.makeText(context, "App not installed", Toast.LENGTH_SHORT).show();
    }
}

mWebView.addJavascriptInterface(this, "bridge");

window.bridge.openActivity("Url");

dependencies {
    ...
    implementation "androidx.browser:browser:1.4.0"
}

// Use CustomTabsIntent.Builder to configure CustomTabsIntent.
// Use CustomTabsIntent.Builder.build() to create CustomTabsIntent
// Use CustomTabsIntent.launchUrl() to launch the URL

CustomTabsIntent.Builder builder = new CustomTabsIntent.Builder();
CustomTabsIntent customTabsIntent = builder.build();
customTabsIntent.launchUrl(this， Uri.parse(url));

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
          xmlns:tools="http://schemas.android.com/tools"
          package="com.llw.scandemo">
  
  ...
  <queries>
    <package android:name="th.co.truemoney.wallet" />
    <package android:name="com.eg.android.AlipayGphone" />
    <package android:name="my.com.tngdigital.ewallet" />
    ...
  </queries>
  ...
  
</manifest>

String Url = "applinkUrl/schemeUrl";
try {
    Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(Url));
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    intent.setPackage("my.com.tngdigital.ewallet");
    // Determine whether the payment method app is installed
    PackageManager packageManager = MainActivity.this.getPackageManager();
    List<ResolveInfo> activities = packageManager.queryIntentActivities(intent, 0);
    
    if (activities.size() <= 0) {
        // The payment method app is not installed. We recommend that you open the mobile website URL in WebView.

        intent = new Intent(MainActivity.this, WebviewActivity.class);
        intent.setData(Uri.parse(Url));
        startActivity(intent);
    } else {
        
        // The payment method app is installed. Open the payment method app directly.
        startActivity(intent);
    }
} catch (Exception e) {
    // Handle exceptions
    e.printStackTrace();
}