feat(Android): Implement Android's removeSessionCookies method (#145)

Author: astapinski

README.md

@@ -117,6 +117,16 @@ CookieManager.flush()
   .then((success) => {
     console.log('CookieManager.flush =>', success);
   });
+
+// Remove session cookies (ANDROID ONLY)
+// Session cookies are cookies with no expires set. Android typically does not
+// remove these, it is up to the developer to decide when to remove them.
+// The return value is true if any session cookies were removed.
+// iOS handles removal of session cookies automatically on app open.
+CookieManager.removeSessionCookies()
+  .then((sessionCookiesRemoved) => {
+    console.log('CookieManager.removeSessionCookies =>', sessionCookiesRemoved);
+  });
 ```
 
 ### WebKit-Support (iOS only)

android/src/main/java/com/reactnativecommunity/cookies/CookieManagerModule.java

@@ -102,6 +102,20 @@ public void flush(Promise promise) {
         }
     }
 
+    @ReactMethod
+    public void removeSessionCookies(Promise promise) {
+        try {
+            getCookieManager().removeSessionCookies(new ValueCallback<Boolean>() {
+                @Override
+                public void onReceiveValue(Boolean data) {
+                    promise.resolve(data);
+                }
+            });
+        } catch (Exception e) {
+            promise.reject(e);
+        }
+    }
+
     @ReactMethod
     public void getFromResponse(String url, Promise promise) throws URISyntaxException, IOException {
         promise.resolve(url);

index.d.ts

@@ -23,9 +23,11 @@ declare module '@react-native-cookies/cookies' {
 
     clearAll(useWebKit?: boolean): Promise<boolean>;
 
+    // Android only
     flush(): Promise<void>;
+    removeSessionCookies(): Promise<boolean>;
 
-    //iOS only
+    // iOS only
     getAll(useWebKit?: boolean): Promise<Cookies>;
     clearByName(
       url: string,

index.js

@@ -46,6 +46,11 @@ module.exports = {
       await CookieManager.flush();
     }
   },
+  removeSessionCookies: async () => {
+    if (Platform.OS === 'android') {
+      return await CookieManager.removeSessionCookies();
+    }
+  },
 };
 
 for (var i = 0; i < functions.length; i++) {