Inject UserListAdapter. Minor refactor and clean up.

presentation/src/main/java/com/fernandocejas/android10/sample/presentation/view/adapter/UsersAdapter.java

@@ -15,7 +15,9 @@ import butterknife.ButterKnife;
 import com.fernandocejas.android10.sample.presentation.R;
 import com.fernandocejas.android10.sample.presentation.model.UserModel;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.List;
+import javax.inject.Inject;
 
 /**
  * Adaptar that manages a collection of {@link UserModel}.
@@ -31,11 +33,11 @@ public class UsersAdapter extends RecyclerView.Adapter<UsersAdapter.UserViewHold
 
   private OnItemClickListener onItemClickListener;
 
-  public UsersAdapter(Context context, Collection<UserModel> usersCollection) {
-    this.validateUsersCollection(usersCollection);
+  @Inject
+  public UsersAdapter(Context context) {
     this.layoutInflater =
         (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
-    this.usersCollection = (List<UserModel>) usersCollection;
+    this.usersCollection = Collections.emptyList();
   }
 
   @Override public int getItemCount() {
@@ -43,10 +45,8 @@ public class UsersAdapter extends RecyclerView.Adapter<UsersAdapter.UserViewHold
   }
 
   @Override public UserViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-    View view = this.layoutInflater.inflate(R.layout.row_user, parent, false);
-    UserViewHolder userViewHolder = new UserViewHolder(view);
-
-    return userViewHolder;
+    final View view = this.layoutInflater.inflate(R.layout.row_user, parent, false);
+    return new UserViewHolder(view);
   }
 
   @Override public void onBindViewHolder(UserViewHolder holder, final int position) {

presentation/src/main/java/com/fernandocejas/android10/sample/presentation/view/fragment/UserDetailsFragment.java

@@ -30,8 +30,6 @@ public class UserDetailsFragment extends BaseFragment implements UserDetailsView
 
   private static final String ARGUMENT_KEY_USER_ID = "org.android10.ARGUMENT_USER_ID";
 
-  private int userId;
-
   @Inject UserDetailsPresenter userDetailsPresenter;
 
   @Bind(R.id.iv_cover) AutoLoadImageView iv_cover;
@@ -70,7 +68,6 @@ public class UserDetailsFragment extends BaseFragment implements UserDetailsView
   @Override public void onViewCreated(View view, Bundle savedInstanceState) {
     super.onViewCreated(view, savedInstanceState);
     this.userDetailsPresenter.setView(this);
-    this.userId = getArguments().getInt(ARGUMENT_KEY_USER_ID);
     this.userDetailsPresenter.initialize();
   }
 

presentation/src/main/java/com/fernandocejas/android10/sample/presentation/view/fragment/UserListFragment.java

@@ -24,7 +24,6 @@ import com.fernandocejas.android10.sample.presentation.presenter.UserListPresent
 import com.fernandocejas.android10.sample.presentation.view.UserListView;
 import com.fernandocejas.android10.sample.presentation.view.adapter.UsersAdapter;
 import com.fernandocejas.android10.sample.presentation.view.adapter.UsersLayoutManager;
-import java.util.ArrayList;
 import java.util.Collection;
 import javax.inject.Inject;
 
@@ -41,15 +40,13 @@ public class UserListFragment extends BaseFragment implements UserListView {
   }
 
   @Inject UserListPresenter userListPresenter;
+  @Inject UsersAdapter usersAdapter;
 
   @Bind(R.id.rv_users) RecyclerView rv_users;
   @Bind(R.id.rl_progress) RelativeLayout rl_progress;
   @Bind(R.id.rl_retry) RelativeLayout rl_retry;
   @Bind(R.id.bt_retry) Button bt_retry;
 
-  private UsersAdapter usersAdapter;
-  private UsersLayoutManager usersLayoutManager;
-
   private UserListListener userListListener;
 
   public UserListFragment() {
@@ -72,7 +69,7 @@ public class UserListFragment extends BaseFragment implements UserListView {
       Bundle savedInstanceState) {
     final View fragmentView = inflater.inflate(R.layout.fragment_user_list, container, false);
     ButterKnife.bind(this, fragmentView);
-    setupUI();
+    setupRecyclerView();
     return fragmentView;
   }
 
@@ -92,23 +89,15 @@ public class UserListFragment extends BaseFragment implements UserListView {
     this.userListPresenter.pause();
   }
 
-  @Override public void onDestroy() {
-    super.onDestroy();
-    this.userListPresenter.destroy();
-  }
-
   @Override public void onDestroyView() {
     super.onDestroyView();
+    rv_users.setAdapter(null);
     ButterKnife.unbind(this);
   }
 
-  private void setupUI() {
-    this.usersLayoutManager = new UsersLayoutManager(getActivity());
-    this.rv_users.setLayoutManager(usersLayoutManager);
-
-    this.usersAdapter = new UsersAdapter(getActivity(), new ArrayList<UserModel>());
-    this.usersAdapter.setOnItemClickListener(onItemClickListener);
-    this.rv_users.setAdapter(usersAdapter);
+  @Override public void onDestroy() {
+    super.onDestroy();
+    this.userListPresenter.destroy();
   }
 
   @Override public void showLoading() {
@@ -149,6 +138,12 @@ public class UserListFragment extends BaseFragment implements UserListView {
     return this.getActivity().getApplicationContext();
   }
 
+  private void setupRecyclerView() {
+    this.usersAdapter.setOnItemClickListener(onItemClickListener);
+    this.rv_users.setLayoutManager(new UsersLayoutManager(context()));
+    this.rv_users.setAdapter(usersAdapter);
+  }
+
   /**
    * Loads all users.
    */

presentation/src/main/res/layout/row_user.xml

@@ -24,6 +24,7 @@
       android:layout_width="match_parent"
       android:layout_height="match_parent"
       android:textSize="@dimen/lv_row_text_size"
+      android:textColor="@android:color/black"
       android:gravity="center_vertical"
       android:singleLine="true"
       android:ellipsize="end"