Update AppContext.js

Author: amosgyamfi

ReactNative/NativeExpoChat/AppContext.js

@@ -1 +1,20 @@
+// AppContext.js
+
+import React, { useState } from 'react';
+
+export const AppContext = React.createContext({
+  channel: null,
+  setChannel: (channel) => {},
+  thread: null,
+  setThread: (thread) => {},
+});
+
+export const AppProvider = ({ children }) => {
+  const [channel, setChannel] = useState();
+  const [thread, setThread] = useState();
+
+  return <AppContext.Provider value={{ channel, setChannel, thread, setThread }}>{children}</AppContext.Provider>;
+};
+
+export const useAppContext = () => React.useContext(AppContext);