IONIC v3 WooCommerce CORS problem in android phone

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I am building an app for an a woocommerce website using IONIC 3. But I am facing CORS problem in my android device. I have installed disable CORS extension for chrome. But it doesn’t work for my android device.
postAsync method request blocked by CORS policy.

“Header set Access-Control-Allow-Origin “*”
Header set Access-Control-Allow-Credentials true”

after adding this line in my .htaccess file, getAsync works fine. but postAsync not.
Need some real solution.
Some of my code screenshots are attached below.
Thanks.
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