title: Unable to resolve Static method?
body: <p>I'm new to android and heard about <em>retrofit</em>. But when I tried to implement this, I'm getting this error:</p>
  
  <pre><code>11-07 10:57:59.969    8036-8291/com.example.first.servicefirst W/dalvikvm﹕ VFY: unable to find class referenced in     signature (Ljava/nio/file/Path;)
  11-07 10:57:59.969    8036-8291/com.example.first.servicefirst W/dalvikvm﹕ VFY: unable to find class referenced in    signature ([Ljava/nio/file/OpenOption;)
  11-07 10:57:59.969    8036-8291/com.example.first.servicefirst I/dalvikvm﹕ Could not find method        java.nio.file.Files.newInputStream, referenced from method okio.Okio.source
  11-07 10:57:59.969    8036-8291/com.example.first.servicefirst W/dalvikvm﹕ VFY: unable to resolve static method 18524: Ljava/nio/file/Files;.newInputStream (Ljava/nio/file/Path;[Ljava/nio/file/OpenOption;)Ljava/io/InputStream;
  </code></pre>
  
  <p>I'm really confused where did I go wrong.</p>
  
  <p>This is my main activity:</p>
  
  <pre><code>package com.example.first.servicefirst;
  
  import android.app.Activity;
  import android.app.AlertDialog;
  import android.content.Context;
  import android.content.DialogInterface;
  import android.content.Intent;
  import android.net.ConnectivityManager;
  import android.net.NetworkInfo;
  import android.os.Bundle;
  import android.view.View;
  import android.widget.Button;
  import android.widget.EditText;
  import android.widget.ProgressBar;
  import android.widget.TextView;
  import android.widget.Toast;
  
   import com.squareup.okhttp.Interceptor;
   import com.squareup.okhttp.OkHttpClient;
   import com.squareup.okhttp.Request;
  
   import java.io.IOException;
  
   import retrofit.Call;
   import retrofit.Callback;
   import retrofit.GsonConverterFactory;
   import retrofit.Response;
   import retrofit.Retrofit;
  
  public class MainActivity extends Activity {
  public EditText password,userName;
  Button login,resister;
  ProgressBar progressbar;
  TextView tv;
  String TAG="Fails";
  String url="http://172.16.7.203/sfAppServices/SF_UserLogin.svc";
  private ModelLogin Result;
  
  protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);
      password=(EditText) findViewById(R.id.password);
  
      userName=(EditText) findViewById(R.id.txtEmployeeCode);
  
      login=(Button) findViewById(R.id.btnsignin);
      userName.setBackgroundResource(R.drawable.colorfoucs);
  
      //progess_msz.setVisibility(View.GONE);
      ConnectivityManager cn=(ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE);
      NetworkInfo nf=cn.getActiveNetworkInfo();
      if(nf != null &amp;&amp; nf.isConnected()==true )
      {
          Toast.makeText(this, "Network Available", Toast.LENGTH_LONG).show();
  
      } else {
        showAlertDialog(MainActivity.this,"No Network","Please Check Your Network Connectivity",true);
      }
  
      final   ConnectionDetector    cd = new ConnectionDetector(getApplicationContext());
  
              login.setOnClickListener(new View.OnClickListener() {
  
          public void onClick(View v) {
              progressbar = (ProgressBar) findViewById(R.id.progressBar);
              progressbar.setVisibility(View.VISIBLE);
              String s1 = userName.getText().toString();
              String s2 = password.getText().toString();
              if (s1.equals("")) {
                  userName.setError("Enter User Name");
              }
              if (s2.equals("")) {
                  password.setError("Enter Password");
  
              }
              try{
              OkHttpClient client = new OkHttpClient();
              client.interceptors().add(new Interceptor() {
                  @Override
                  public com.squareup.okhttp.Response intercept(Chain chain) throws IOException {
                      Request original = chain.request();
  
                      // Customize the request
                      Request request = original.newBuilder()
                              .header("Accept", "application/json")
                              .header("Authorization", "auth-token")
                              .method(original.method(), original.body())
                              .build();
  
                      com.squareup.okhttp.Response response = chain.proceed(request);
  
                      // Customize or return the response
                      return response;
                  }
              });
              Retrofit retro = new    Retrofit.Builder().baseUrl(url).addConverterFactory(GsonConverterFactory.create()).build();
              RetrofitRest retrofitRest = retro.create(RetrofitRest.class);
              Call&lt;ModelLogin&gt;call=retrofitRest.getResult(s1, s2);
  
             //     Call&lt;ModelLogin&gt; callget=retrofitRest.verify(result);
                  call.enqueue(new Callback&lt;ModelLogin&gt;()
                  {
                      @Override
                      public void onResponse(Response&lt;ModelLogin&gt; response, Retrofit retrofit)
                      {
                         ModelLogin modelLogin=new ModelLogin();
                         modelLogin.getLoginResult();
                          if(modelLogin.equals(2))
                          {
                              Intent intent=new Intent(getApplicationContext(),Main2Activity.class);
                              startActivity(intent);
                          }
  
                      }
  
                      @Override
                      public void onFailure(Throwable t) {
                          Toast.makeText(getApplicationContext(),"Fails",Toast.LENGTH_LONG).show();
                      }
                  });
            //  call.enqueue(new Callback&lt;ModelLogin&gt;() {
             //     @Override
             //     public void onResponse(Response&lt;ModelLogin&gt; response, Retrofit retrofit) {
  
  
              //        }
  
  
              //    @Override
              //    public void onFailure(Throwable t) {
               //       Log.d(TAG,"Error");
               //   }
              //});
  
  
          }catch (Exception e){
              throw e;
              }
  
          }
      });
  
  
  }
  
      public void showAlertDialog(Context context, String title, String message, Boolean status) {
      AlertDialog alertDialog = new AlertDialog.Builder(context).create();
  
      // Setting Dialog Title
      alertDialog.setTitle(title);
  
      // Setting Dialog Message
      alertDialog.setMessage(message);
  
      // Setting alert dialog icon
  
  
      // Setting OK Button
      alertDialog.setButton("OK", new DialogInterface.OnClickListener() {
          public void onClick(DialogInterface dialog, int which) {
          }
      });
  
      // Showing Alert Message
      alertDialog.show();
  }
   }
  </code></pre>
  
  <p>This is my interface:</p>
  
  <pre><code>package com.example.first.servicefirst;
  
  import retrofit.Call;
  import retrofit.http.POST;
  import retrofit.http.Path;
  
  
  public interface RetrofitRest {
  
  @POST("SF_UserLogin.svc/rest/login/{EMPLOYEECODE}/{PASSWORD}")
  public  Call&lt;ModelLogin&gt;getResult(@Path("EMPLOYEECODE")String empcode,@Path("PASSWORD")String passwrd);
  
   }
  </code></pre>
  
  <p>My json response will be like this:</p>
  
  <pre><code>{"loginResult":"{\"Result\":2,\"UserID\":0,\"ModuleID\":1,\"ModuleName\":\"CRM\"}"}
  </code></pre>
  
  <p>This is my logcat:</p>
  
  <pre><code>    11-09 11:17:34.670  18964-18964/com.example.first.servicefirst D/dalvikvm﹕ Late-enabling CheckJNI
      11-09 11:17:34.770  18964-18964/com.example.first.servicefirst I/libthemeutils﹕ Theme： libthemeutil.so load     success
      11-09 11:17:34.830  18964-18964/com.example.first.servicefirst D/dalvikvm﹕ GetMethodID: not returning s    tatic         method Landroid/os/Process;.getTotalMemory ()J
      11-09 11:17:34.830  18964-18964/com.example.first.servicefirst D/dalvikvm﹕ GetMethodID: not returning static    method Landroid/os/Process;.getFreeMemory ()J
      11-09 11:17:34.980  18964-18964/com.example.first.servicefirst W/Toast﹕ From com.example.first.servicefirst, go ahead.
      11-09 11:17:35.070  18964-18964/com.example.first.servicefirst I/Adreno-EGL﹕ &lt;qeglDrvAPI_eglInitialize:410&gt;: EGL 1.4 QUALCOMM build: AU_LINUX_ANDROID_LNX.LA.3.5.2.2.2_RB1.04.04.04.154.004_msm8226_LNX.LA.3.5.2.2.2_RB1__release_AU ()
      OpenGL ES Shader Compiler Version: E031.24.00.15
      Build Date: 08/06/14 Wed
      Local Branch: mybranch4057433
      Remote Branch: quic/LNX.LA.3.5.2.2.2_rb1
      Local Patches: NONE
      Reconstruct Branch: AU_LINUX_ANDROID_LNX.LA.3.5.2.2.2_RB1.04.04.04.154.004 +  NOTHING
      11-09 11:17:35.240  18964-18964/com.example.first.servicefirst D/OpenGLRenderer﹕ Enabling debug mode 0
       11-09 11:17:35.410  18964-18964/com.example.first.servicefirst I/Timeline﹕ Timeline: Activity_idle id:    android.os.BinderProxy@424badd8 time:61392269
      11-09 11:17:41.420  18964-19350/com.example.first.servicefirst W/dalvikvm﹕ VFY: unable to find class referenced in signature (Ljava/nio/file/Path;)
      11-09 11:17:41.420  18964-19350/com.example.first.servicefirst W/dalvikvm﹕ VFY: unable to find class referenced in signature ([Ljava/nio/file/OpenOption;)
      11-09 11:17:41.420  18964-19350/com.example.first.servicefirst I/dalvikvm﹕ Could not find method java.nio.file.Files.newOutputStream, referenced from method okio.Okio.sink
      11-09 11:17:41.420  18964-19350/com.example.first.servicefirst W/dalvikvm﹕ VFY: unable to resolve static method 18520: Ljava/nio/file/Files;.newOutputStream (Ljava/nio/file/Path;[Ljava/nio/file/OpenOption;)Ljava/io/OutputStream;
      11-09 11:17:41.420  18964-19350/com.example.first.servicefirst D/dalvikvm﹕ VFY: replacing opcode 0x71 at 0x000a
      11-09 11:17:41.420  18964-19350/com.example.first.servicefirst W/dalvikvm﹕ VFY: unable to find class referenced in signature (Ljava/nio/file/Path;)
     11-09 11:17:41.420  18964-19350/com.example.first.servicefirst W/dalvikvm﹕ VFY: unable to find class referenced in signature ([Ljava/nio/file/OpenOption;)
      11-09 11:17:41.420  18964-19350/com.example.first.servicefirst I/dalvikvm﹕ Could not find method java.nio.file.Files.newInputStream, referenced from method okio.Okio.source
     11-09 11:17:41.420  18964-19350/com.example.first.servicefirst W/dalvikvm﹕ VFY: unable to resolve static method 18519: Ljava/nio/file/Files;.newInputStream (Ljava/nio/file/Path;[Ljava/nio/file/OpenOption;)Ljava/io/InputStream;
     11-09 11:17:41.420  18964-19350/com.example.first.servicefirst D/dalvikvm﹕ VFY: replacing opcode 0x71 at 0x000a
  </code></pre>