iOS support

plugins/withExpandedController.js

@@ -0,0 +1,20 @@
+const { withAppDelegate } = require("@expo/config-plugins");
+
+const withExpandedController = (config) => {
+  return withAppDelegate(config, async (config) => {
+    const contents = config.modResults.contents;
+
+    // Looking for the initialProps string inside didFinishLaunchingWithOptions,
+    // and injecting expanded controller config.
+    // Should be updated once there is an expo config option - see https://github.com/react-native-google-cast/react-native-google-cast/discussions/537
+    const injectionIndex = contents.indexOf("self.initialProps = @{};");
+    config.modResults.contents =
+      contents.substring(0, injectionIndex) +
+      `\n [GCKCastContext sharedInstance].useDefaultExpandedMediaControls = true; \n` +
+      contents.substring(injectionIndex);
+
+    return config;
+  });
+};
+
+module.exports = withExpandedController;