title: RestAdapter Retrofit(2.0.2) cannot resolve symbol android studio
body: <p>I am working on a project to pick data from soundcloud but I can't seem to resolve this problem. Please help me.</p>
  
  <pre><code>dependencies {
      compile fileTree(dir: 'libs', include: ['*.jar'])
      compile files('libs/gson-2.6.2.jar')
      testCompile 'junit:junit:4.12'
      compile 'com.android.support:appcompat-v7:23.4.0'
      compile 'com.google.code.gson:gson:2.6.2'
      compile 'com.squareup.retrofit2:retrofit:2.0.2'
      compile 'com.squareup.picasso:picasso:2.5.2'
      compile 'com.squareup.retrofit2:converter-gson:2.0.2'
  }
  </code></pre>
  
  <p>and this is my code</p>
  
  <pre><code>RestAdapter restAdapter = new RestAdapter.Builder().setEndpoint(Config.API_URL).build();
          SCService scService = restAdapter.create(SCService.class);
          scService.getRecentTracks(new SimpleDateFormat("yyyy-MM-dd hh:mm:ss").format(new Date()), new Callback&lt;List&lt;Track&gt;&gt;() {
              @Override
              public void onResponse(Call&lt;List&lt;Track&gt;&gt; call, Response&lt;List&lt;Track&gt;&gt; response) {
                  Log.d(TAG, "First track title: " + tracks.get(0).getTitle());
              }
  
              @Override
              public void onFailure(Call&lt;List&lt;Track&gt;&gt; call, Throwable t) {
                  Log.d(TAG, "Error: " + error);
              }
          });
  </code></pre>
  
  <p>Please help!</p>