[Solved] CORS problems and No Access-Control-Allow-Origin header errors with Ionic

Fixed CORS problems and No Access-Control-Allow-Origin header errors with Ionic.

Add these 4 line codes in your header of the PHP file.

header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Methods: GET, POST ,OPTIONS, PUT');
header("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept");
header('Content-Type: application/json');

If Still issue comes then you need to use Advanced Http Cordova Plugin

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[jitanx]

Thanks BROO, You're Amazing!! I've been looking for solution for more than 5 days. And finally your video makes it happen

[nadjinmalade]

Unbellievable. You just saved Me in 2O20. Thanks.

[codinggoIndonesia]

thank you bro.. best regard from indonesia

[rsvhmqt]

Thank you bhai you are you saved my thank youuuu very mucccch <3 <3 <3

[malkasoft]

this video is helpful if you can change cors from the back-end server side.

[fahamarafi]

what if the vendors say they are not using any cors policy from their side but on client-side when you deploy your project in eclipse you have a pre-defined web.xml file appeared how to resolve this how to then disable on client side as well

[krishnashauzshenikala]

Iam add property file what you tell 3 but not work for me client side angular cross origin error 401 status error server side security code

[manojmohapatra]

I am using woocomrc api v3. Facing the issue when i am posting data . Where should i paste the code to solve the cros issue

[peterdev]

Hi Hostguru, where do you add the headers if you are using typescript?

[mohtishammuzzammil]

I have same error but in node.js what should i do

[mysalman]

I am using Ionic 4 as frontend and Laravel 5 as as backend.. So let me know where to put the mentioned code?

[luisvacahoyos]

hello, how are you??
I have the same problem, I'm working with proyect in 000webhost, i tried to put the three lines of headers, but still the same problem...

[MrPrasadpankaj]

i know that, but it will not good, because it ill reduce app performance.

[suchi]

How can it be ionic. You r fixing it on php server side. 😭😭😭