How to add headers to OkHttp request interceptor?

How to add headers to OkHttp request interceptor?

java android http-headers retrofit okhttp

android

Android : Capturing HTTP Requests with non-rooted android device

android http http-headers

android

Maintaining session in android ( application stay authenticated on the server side)

android session http-headers session-state

android

What header should be used for sending GZIP compressed JSON from Android Client to Server?

android json servlets http-headers gzip

android

How to define a Header to all request using Retrofit?

java android rest http-headers retrofit

android

Android Volley, duplicate Set-Cookie is overridden

android http-headers adt android-volley setcookie

android

Send HTTP GET request with header

java android http http-headers

android

Android WebView Post Request with Custom Headers [duplicate]

android post webview http-headers

android

Android webview shouldOverrideUrlLoading is not called

android webview http-headers android-3.0-honeycomb

android

Passing Headers while using Browser Intent

android android-intent http-headers android-webview

android

Send Post request along with HttpHeaders on Android

android post webview http-headers android-webview

android