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import android.os.AsyncTask; import android.os.Handler; import android.os.Message; import android.support.v4.view.ViewPager; import android.support.v7.app.AppCompatActivity; import android.os.Bundle

import okhttp3.Callback; import okhttp3.FormBody; import okhttp3.OkHttpClient; import okhttp3.Request; /** * Created by lenovo on 2018/8/9. */ public class OKHttpUtil { private OkHttpClient i...