fix(rn) disable pip while authorising dropbox

android/sdk/src/main/java/org/jitsi/meet/sdk/DropboxModule.java

     public void onHostResume() {
         DbxCredential credential = Auth.getDbxCredential();
 
-        if (credential != null && this.promise != null) {
-            WritableMap result = Arguments.createMap();
-            result.putString("token", credential.getAccessToken());
-            result.putString("rToken", credential.getRefreshToken());
-            result.putDouble("expireDate", credential.getExpiresAt());
+        if (this.promise != null ) {
+            if (credential != null) {
+                WritableMap result = Arguments.createMap();
+                result.putString("token", credential.getAccessToken());
+                result.putString("rToken", credential.getRefreshToken());
+                result.putDouble("expireDate", credential.getExpiresAt());
+
+                this.promise.resolve(result);
+                this.promise = null;
+            } else {
+                this.promise.reject("Invalid dropbox credentials");
+            }
 
-            this.promise.resolve(result);
             this.promise = null;
         }
+
     }
 }

react/features/dropbox/actions.js

 // @flow
-
 import { UPDATE_DROPBOX_TOKEN } from './actionTypes';
 import { _authorizeDropbox } from './functions';
+import logger from './logger';
 
 /**
  * Action to authorize the Jitsi Recording app in dropbox.
 
         _authorizeDropbox(dropbox.appKey, redirectURI)
             .then(
-                ({ token, rToken, expireDate }) => dispatch(updateDropboxToken(token, rToken, expireDate)));
+                ({ token, rToken, expireDate }) => {
+                    dispatch(updateDropboxToken(token, rToken, expireDate));
+                })
+            .catch(error => logger.log('Cannot authorize dropbox', error));
     };
 }
 

react/features/dropbox/functions.native.js

 
 const { Dropbox } = NativeModules;
 
+import { setPictureInPictureDisabled } from '../mobile/picture-in-picture/functions';
+
 /**
  * Action to authorize the Jitsi Recording app in dropbox.
  *
  * @returns {Promise<Object>} - The promise will be resolved with the dropbox
  * access token or rejected with an error.
  */
-export function _authorizeDropbox(): Promise<Object> {
-    return Dropbox.authorize();
+export async function _authorizeDropbox(): Promise<Object> {
+    setPictureInPictureDisabled(true);
+
+    try {
+        return await Dropbox.authorize();
+    } finally {
+        setPictureInPictureDisabled(false);
+    }
 }
 
 /**