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public static byte[] hexStringToByteArray(String s) { | |
int len = s.length(); | |
byte[] data = new byte[len / 2]; | |
for (int i = 0; i < len; i += 2) { | |
data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4) | |
+ Character.digit(s.charAt(i + 1), 16)); | |
} | |
return data; | |
} | |
// Ref: https://stackoverflow.com/questions/140131/convert-a-string-representation-of-a-hex-dump-to-a-byte-array-using-java/140861#140861 |
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import java.io.IOException; | |
import okhttp3.HttpUrl; | |
import okhttp3.Interceptor; | |
import okhttp3.OkHttpClient; | |
import okhttp3.Request; | |
/** An interceptor that allows runtime changes to the URL hostname. */ | |
public final class HostSelectionInterceptor implements Interceptor { | |
private volatile String host; |
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package com.example.yourapp; | |
import java.io.IOException; | |
import java.util.ArrayList; | |
import java.util.Iterator; | |
import java.util.List; | |
import com.example.yourapp.AuthenticationModel; | |
import retrofit.client.Header; | |
import retrofit.client.OkClient; |