Updated README and example code.

README.md

@@ -483,6 +483,25 @@ help you customize the `upgrader` experience for your app. Check these out.
 | main_min_app_version.dart | main_multiple.dart | main_stateful.dart |
 | main_subclass.dart |  |  |
 
+## Tapping UPDATE NOW button issue on Android
+
+Seeing an error similar to this on Android after tapping the UPDATE NOW button?
+```
+I/UrlLauncher(11833): component name for https://www.google.com/ is null
+```
+
+Adding this to the AndroidManifest.xml file will solve this issue. Add this at the bottom of the file just above the closing `</manifest>` tag.
+```
+    <queries>
+      <intent>
+        <action android:name="android.intent.action.VIEW" />
+        <category android:name="android.intent.category.BROWSABLE" />
+        <data android:scheme="https" />
+      </intent>
+    </queries>
+```
+
+This was taken from this Android documentation: https://developer.android.com/training/package-visibility/use-cases#check-browser-available
 
 ## iTunes Search API
 

example/android/app/src/main/AndroidManifest.xml

@@ -39,4 +39,11 @@
             android:name="flutterEmbedding"
             android:value="2" />
     </application>
+    <queries>
+      <intent>
+        <action android:name="android.intent.action.VIEW" />
+        <category android:name="android.intent.category.BROWSABLE" />
+        <data android:scheme="https" />
+      </intent>
+    </queries>
 </manifest>

lib/src/itunes_search_api.dart

@@ -39,7 +39,7 @@ class ITunesSearchAPI {
     }
 
     final url = lookupURLByBundleId(bundleId,
-        country: country ??= '', useCacheBuster: useCacheBuster)!;
+        country: country ?? '', useCacheBuster: useCacheBuster)!;
     if (debugLogging) {
       print('upgrader: download: $url');
     }