gistfile1.txt

package com.novachevskyi.okhttptest;

import org.junit.Test;

import okhttp3.HttpUrl;

import static org.junit.Assert.assertEquals;

public class OkHttpBug {

    @Test
    public void test() throws Exception {
        HttpUrl.Builder builder = HttpUrl.parse("https://www.google.com/mobile/#!/id").newBuilder();

        builder.addQueryParameter("platform", "android");

        String url = builder.build().toString();

        assertEquals("https://www.google.com/mobile/#!/id?platform=android", url);
    }
}