If you need to use Content-Type=x-www-urlencoded-form then DO NOT use FormDataCollection as parameter: In asp.net Core 2+ FormDataCollection has no default constructors which is required by Formatters. Use IFormCollection instead:
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public IActionResult Search([FromForm]IFormCollection type)
{
return Ok();
}
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android:networkSecurityConfig="@xml/network_security_config"
...>
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and:

res/xml/network_security_config.xml
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If the