I referred this link but I can\'t seem to implement for mine
I am using
compile \'com.squareup.retrofit2:retrofit:2.0
If you are using "com.squareup.retrofit2:retrofit:2.4.0" retrofit version > 2 then you try this one:
private OkHttpClient getRequestHeader()
{
OkHttpClient okHttpClient = new OkHttpClient.Builder()
.readTimeout(60, TimeUnit.SECONDS)
.connectTimeout(60, TimeUnit.SECONDS)
.writeTimeout(20, TimeUnit.SECONDS)
.build();
return okHttpClient;
}