Migrate to AndroidX

lib/utils.class.dart

@@ -47,12 +47,44 @@ class Logger {
 
 class HAUtils {
   static void launchURL(String url) async {
-    if (await canLaunch(url)) {
-      await launch(url);
+    if (await urlLauncher.canLaunch(url)) {
+      await urlLauncher.launch(url);
     } else {
       Logger.e( "Could not launch $url");
     }
   }
+
+  static void launchURLInCustomTab(BuildContext context, String url) async {
+    try {
+      await launch(
+        "$url",
+        option: new CustomTabsOption(
+          toolbarColor: Theme.of(context).primaryColor,
+          enableDefaultShare: true,
+          enableUrlBarHiding: true,
+          showPageTitle: true,
+          animation: new CustomTabsAnimation.slideIn()
+          // or user defined animation.
+          /*animation: new CustomTabsAnimation(
+          startEnter: 'slide_up',
+          startExit: 'android:anim/fade_out',
+          endEnter: 'android:anim/fade_in',
+          endExit: 'slide_down',
+        )*/,
+        extraCustomTabs: <String>[
+          // ref. https://play.google.com/store/apps/details?id=org.mozilla.firefox
+          'org.mozilla.firefox',
+          // ref. https://play.google.com/store/apps/details?id=com.microsoft.emmx
+          'com.microsoft.emmx',
+        ],
+      ),
+    );
+    } catch (e) {
+      Logger.w("Can't open custom tab: ${e.toString()}");
+      Logger.w("Launching in default browser");
+      HAUtils.launchURL(url);
+    }
+  }
 }
 
 class StateChangedEvent {