Make unread invisible for guests

app/src/main/java/gr/thmmy/mthmmy/activities/main/MainActivity.java

@@ -10,6 +10,9 @@ import android.support.v4.app.FragmentPagerAdapter;
 import android.support.v4.view.ViewPager;
 import android.widget.Toast;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import gr.thmmy.mthmmy.R;
 import gr.thmmy.mthmmy.activities.LoginActivity;
 import gr.thmmy.mthmmy.activities.board.BoardActivity;
@@ -39,6 +42,8 @@ public class MainActivity extends BaseActivity implements RecentFragment.RecentF
 //-----------------------------------------CLASS VARIABLES------------------------------------------
     private static final int TIME_INTERVAL = 2000;
     private long mBackPressed;
+    private SectionsPagerAdapter sectionsPagerAdapter;
+    private ViewPager viewPager;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -48,7 +53,6 @@ public class MainActivity extends BaseActivity implements RecentFragment.RecentF
         setContentView(R.layout.activity_main);
 
         if (sessionManager.isLoginScreenDefault())
-
         {
             //Go to login
             Intent intent = new Intent(MainActivity.this, LoginActivity.class);
@@ -61,14 +65,21 @@ public class MainActivity extends BaseActivity implements RecentFragment.RecentF
         createDrawer();
 
         //Create the adapter that will return a fragment for each section of the activity
-        SectionsPagerAdapter mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());
+        sectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());
+        sectionsPagerAdapter.addFragment(RecentFragment.newInstance(1), "RECENT");
+        sectionsPagerAdapter.addFragment(ForumFragment.newInstance(2), "FORUM");
+        if(sessionManager.isLoggedIn())
+            sectionsPagerAdapter.addFragment(UnreadFragment.newInstance(3), "UNREAD");
+
 
         //Set up the ViewPager with the sections adapter.
-        ViewPager mViewPager = (ViewPager) findViewById(R.id.container);
-        mViewPager.setAdapter(mSectionsPagerAdapter);
+        viewPager = (ViewPager) findViewById(R.id.container);
+        viewPager.setAdapter(sectionsPagerAdapter);
 
         TabLayout tabLayout = (TabLayout) findViewById(R.id.tabs);
-        tabLayout.setupWithViewPager(mViewPager);
+        tabLayout.setupWithViewPager(viewPager);
+
+        setMainActivity(this);
     }
 
     @Override
@@ -81,6 +92,7 @@ public class MainActivity extends BaseActivity implements RecentFragment.RecentF
     @Override
     protected void onResume() {
         drawer.setSelection(HOME_ID);
+        updateTabs();
         super.onResume();
     }
 
@@ -135,45 +147,56 @@ public class MainActivity extends BaseActivity implements RecentFragment.RecentF
      * {@link android.support.v4.app.FragmentStatePagerAdapter}.
      */
     private class SectionsPagerAdapter extends FragmentPagerAdapter {
+        private final List<Fragment> fragmentList = new ArrayList<>();
+        private final List<String> fragmentTitleList = new ArrayList<>();
 
         SectionsPagerAdapter(FragmentManager fm) {
             super(fm);
         }
 
+        void addFragment(Fragment fragment, String title) {
+            fragmentList.add(fragment);
+            fragmentTitleList.add(title);
+            notifyDataSetChanged();
+        }
+
+        void removeFragment(int position) {
+            fragmentList.remove(position);
+            fragmentTitleList.remove(position);
+            notifyDataSetChanged();
+            if(viewPager.getCurrentItem()==position)
+                viewPager.setCurrentItem(position-1);
+        }
+
         @Override
         public Fragment getItem(int position) {
-            switch (position) {
-                case 0:
-                    return RecentFragment.newInstance(position + 1);
-                case 1:
-                    return ForumFragment.newInstance(position + 1);
-                case 2:
-                    return UnreadFragment.newInstance(position + 1);
-                default:
-                    return RecentFragment.newInstance(position + 1); //temp (?)
-            }
+            return fragmentList.get(position);
         }
 
         @Override
         public int getCount() {
-            // Show 3 total pages.
-            return 3;
+            return fragmentList.size();
         }
 
         @Override
         public CharSequence getPageTitle(int position) {
-            switch (position) {
-                case 0:
-                    return "RECENT";
-                case 1:
-                    return "FORUM";
-                case 2:
-                    return "UNREAD";
-            }
+            return fragmentTitleList.get(position);
+        }
 
-            return null;
+        @Override
+        public int getItemPosition(Object object) {
+            int position = fragmentList.indexOf(object);
+            return position == -1 ? POSITION_NONE : position;
         }
     }
+
+    public void updateTabs()
+    {
+        if(!sessionManager.isLoggedIn()&&sectionsPagerAdapter.getCount()==3)
+            sectionsPagerAdapter.removeFragment(2);
+        else if(sessionManager.isLoggedIn()&&sectionsPagerAdapter.getCount()==2)
+            sectionsPagerAdapter.addFragment(UnreadFragment.newInstance(3), "UNREAD");
+    }
 //-------------------------------FragmentPagerAdapter END-------------------------------------------
 
     private void redirectToActivityFromIntent(Intent intent) {

app/src/main/java/gr/thmmy/mthmmy/base/BaseActivity.java

@@ -75,6 +75,8 @@ public abstract class BaseActivity extends AppCompatActivity {
     protected Toolbar toolbar;
     protected Drawer drawer;
 
+    private MainActivity mainActivity;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -394,6 +396,8 @@ public abstract class BaseActivity extends AppCompatActivity {
         protected void onPostExecute(Integer result) {
             Toast.makeText(getBaseContext(), "Logged out successfully!", Toast.LENGTH_LONG).show();
             updateDrawer();
+            if(mainActivity!=null)
+                mainActivity.updateTabs();
             progressDialog.dismiss();
         }
     }
@@ -563,4 +567,10 @@ public abstract class BaseActivity extends AppCompatActivity {
 
     }
 
+    //----------------------------------MISC----------------------
+    protected void setMainActivity(MainActivity mainActivity)
+    {
+        this.mainActivity = mainActivity;
+    }
+
 }

app/src/main/java/gr/thmmy/mthmmy/base/BaseApplication.java

@@ -35,8 +35,6 @@ import okhttp3.Response;
 import timber.log.Timber;
 
 public class BaseApplication extends Application {
-
-
     private static BaseApplication baseApplication; //BaseApplication singleton
 
     // Client & SessionManager

app/src/main/java/gr/thmmy/mthmmy/base/BaseFragment.java

@@ -6,7 +6,6 @@ import android.support.annotation.Nullable;
 import android.support.v4.app.Fragment;
 
 import okhttp3.OkHttpClient;
-import timber.log.Timber;
 
 public abstract class BaseFragment extends Fragment {
     protected static final String ARG_SECTION_NUMBER = "SectionNumber";
@@ -26,31 +25,6 @@ public abstract class BaseFragment extends Fragment {
         if (client == null)
             client = BaseApplication.getInstance().getClient(); //must check every time - e.g.
         // becomes null when app restarts after crash
-        Timber.d("onCreate");
-    }
-
-    @Override
-    public void onStart() {
-        super.onStart();
-        Timber.d("onStart");
-    }
-
-    @Override
-    public void onResume() {
-        super.onResume();
-        Timber.d("onResume");
-    }
-
-    @Override
-    public void onPause() {
-        super.onPause();
-        Timber.d("onPause");
-    }
-
-    @Override
-    public void onStop() {
-        super.onStop();
-        Timber.d("onStop");
     }
 
     @Override
@@ -76,6 +50,5 @@ public abstract class BaseFragment extends Fragment {
      * the activity that contains it, to allow communication upon interaction,
      * between the fragment and the activity/ other fragments
      */
-    public interface FragmentInteractionListener {
-    }
+    public interface FragmentInteractionListener {}
 }