android - Cannot resolve symbol newRequestQueue - Volley -

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i have bit of code in mainactivity file requestqueue queue = new volley.newrequestqueue(this); , reason newrequestqueue part red , when hover on cannot resolve symbol 'newrequestqueue'. how can solve ?

see https://developer.android.com/training/volley/requestqueue.html

try it:

requestqueue queue = volley.newrequestqueue(this);

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