added Calendar to Home #18

added some Strings #22
set HomeFragment as pre-selected on app start

app/src/main/java/schmitt_florian/schoolplanner/activities/GuiHelper.java

@@ -0,0 +1,26 @@
+package schmitt_florian.schoolplanner.activities;
+
+
+
+import android.support.v4.app.Fragment;
+import android.view.View;
+import android.widget.TextView;
+
+
+
+/**
+ * A basic auxiliary class containing simple methods for GUI interaction
+ */
+class GuiHelper {
+
+    /**
+     * method to set the Text of a TextView
+     * @param view the view the TextView is in
+     * @param id Resource ID of the TextView
+     * @param text The text to set to the TextView
+     */
+    void setTextToTextView(View view, int id, String text) {
+        TextView textView = (TextView) view.findViewById(id);
+        textView.setText(text);
+    }
+}

app/src/main/java/schmitt_florian/schoolplanner/activities/HomeFragment.java

@@ -8,71 +8,34 @@
 import android.view.View;
 import android.view.ViewGroup;
 
+import java.util.Calendar;
+
 import schmitt_florian.schoolplanner.R;
 
 /**
  * A simple {@link Fragment} subclass.
  * Activities that contain this fragment must implement the
  * {@link HomeFragment.OnFragmentInteractionListener} interface
  * to handle interaction events.
- * Use the {@link HomeFragment#newInstance} factory method to
- * create an instance of this fragment.
  */
 public class HomeFragment extends Fragment {
-    // TODO: Rename parameter arguments, choose names that match
-    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
-    private static final String ARG_PARAM1 = "param1";
-    private static final String ARG_PARAM2 = "param2";
-
-    // TODO: Rename and change types of parameters
-    private String mParam1;
-    private String mParam2;
-
     private OnFragmentInteractionListener mListener;
-
-    public HomeFragment() {
-        // Required empty public constructor
-    }
-
-    /**
-     * Use this factory method to create a new instance of
-     * this fragment using the provided parameters.
-     *
-     * @param param1 Parameter 1.
-     * @param param2 Parameter 2.
-     * @return A new instance of fragment HomeFragment.
-     */
-    // TODO: Rename and change types and number of parameters
-    public static HomeFragment newInstance(String param1, String param2) {
-        HomeFragment fragment = new HomeFragment();
-        Bundle args = new Bundle();
-        args.putString(ARG_PARAM1, param1);
-        args.putString(ARG_PARAM2, param2);
-        fragment.setArguments(args);
-        return fragment;
-    }
+    private GuiHelper guiHelper;
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        if (getArguments() != null) {
-            mParam1 = getArguments().getString(ARG_PARAM1);
-            mParam2 = getArguments().getString(ARG_PARAM2);
-        }
+        guiHelper = new GuiHelper();
+
     }
 
     @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-                             Bundle savedInstanceState) {
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         // Inflate the layout for this fragment
-        return inflater.inflate(R.layout.fragment_home, container, false);
-    }
+        View view = inflater.inflate(R.layout.fragment_home, container, false);
+        setDateToLabels(view);
 
-    // TODO: Rename method, update argument and hook method into UI event
-    public void onButtonPressed(Uri uri) {
-        if (mListener != null) {
-            mListener.onFragmentInteraction(uri);
-        }
+        return view;
     }
 
     @Override
@@ -102,8 +65,49 @@ public void onDetach() {
      * "http://developer.android.com/training/basics/fragments/communicating.html"
      * >Communicating with Other Fragments</a> for more information.
      */
-    public interface OnFragmentInteractionListener {
+    interface OnFragmentInteractionListener {
         // TODO: Update argument type and name
         void onFragmentInteraction(Uri uri);
     }
+
+    //region private methods
+
+    /**
+     * method to initialise the Labels, which show the the Date at the home screen
+     *
+     * @param view the view of the fragment
+     */
+    private void setDateToLabels(View view) {
+        Calendar calendar = Calendar.getInstance();
+        switch (calendar.get(Calendar.DAY_OF_WEEK)) {
+            case Calendar.MONDAY:
+                guiHelper.setTextToTextView(view, R.id.home_labelWeekday, getString(R.string.string_day_monday));
+                break;
+            case Calendar.TUESDAY:
+                guiHelper.setTextToTextView(view, R.id.home_labelWeekday, getString(R.string.string_day_tuesday));
+                break;
+            case Calendar.WEDNESDAY:
+                guiHelper.setTextToTextView(view, R.id.home_labelWeekday, getString(R.string.string_day_wednesday));
+                break;
+            case Calendar.THURSDAY:
+                guiHelper.setTextToTextView(view, R.id.home_labelWeekday, getString(R.string.string_day_thursday));
+                break;
+            case Calendar.FRIDAY:
+                guiHelper.setTextToTextView(view, R.id.home_labelWeekday, getString(R.string.string_day_friday));
+                break;
+            case Calendar.SATURDAY:
+                guiHelper.setTextToTextView(view, R.id.home_labelWeekday, getString(R.string.string_day_saturday));
+                break;
+            case Calendar.SUNDAY:
+                guiHelper.setTextToTextView(view, R.id.home_labelWeekday, getString(R.string.string_day_sunday));
+                break;
+            default:
+                guiHelper.setTextToTextView(view, R.id.home_labelWeekday, "Error");
+                break;
+        }
+        //Todo support different date formats
+        guiHelper.setTextToTextView(view, R.id.home_lableDate, calendar.get(Calendar.DAY_OF_MONTH) + "." + calendar.get(Calendar.MONTH) + "." + calendar.get(Calendar.YEAR));
+    }
+    //endregion
+
 }

app/src/main/java/schmitt_florian/schoolplanner/activities/MainActivity.java

@@ -29,8 +29,6 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
 
     private static final String TAG = "MainActivity";
     FragmentManager fragmentManager;
-    Fragment f;
-    boolean a = true;
 
 
     @Override
@@ -40,7 +38,6 @@ protected void onCreate(Bundle savedInstanceState) {
         Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
 
-
         DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
         ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
                 this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
@@ -50,10 +47,11 @@ protected void onCreate(Bundle savedInstanceState) {
         NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
         navigationView.setNavigationItemSelectedListener(this);
 
-
-
         fragmentManager = this.getSupportFragmentManager();
 
+        navigationView.getMenu().getItem(0).setChecked(true);
+        onNavigationItemSelected(navigationView.getMenu().getItem(0));
+
     }
 
     @Override
@@ -66,60 +64,45 @@ public void onBackPressed() {
         }
     }
 
-
-    @SuppressWarnings("StatementWithEmptyBody")
     @Override
     public boolean onNavigationItemSelected(@NonNull MenuItem item) {
         // Handle navigation view item clicks here.
         int id = item.getItemId();
 
         if (id == R.id.nav_main) {
             // Goto Home
-            HomeFragment homeFragment = new HomeFragment();
             FragmentTransaction ft = fragmentManager.beginTransaction();
-            ft.replace(R.id.containerMain, homeFragment);
+            ft.replace(R.id.containerMain, new HomeFragment());
             ft.commit();
-
         } else if (id == R.id.nav_schedule) {
             // Goto Schedule
-            ScheduleFragment scheduleFragment = new ScheduleFragment();
             FragmentTransaction ft = fragmentManager.beginTransaction();
-            ft.replace(R.id.containerMain, scheduleFragment);
+            ft.replace(R.id.containerMain, new ScheduleFragment());
             ft.commit();
-
         } else if (id == R.id.nav_subjects) {
             // Goto Subjects
-            SubjectsFragment subjectsFragment = new SubjectsFragment();
             FragmentTransaction ft = fragmentManager.beginTransaction();
-            ft.replace(R.id.containerMain, subjectsFragment);
+            ft.replace(R.id.containerMain, new SubjectsFragment());
             ft.commit();
-
         } else if (id == R.id.nav_homework) {
             //Goto Homework
-            HomeworkFragment homeworkFragment = new HomeworkFragment();
             FragmentTransaction ft = fragmentManager.beginTransaction();
-            ft.replace(R.id.containerMain, homeworkFragment);
+            ft.replace(R.id.containerMain, new HomeworkFragment());
             ft.commit();
-
         } else if (id == R.id.nav_exams) {
             // Goto Exams
-            ExamsFragment examsFragment = new ExamsFragment();
             FragmentTransaction ft = fragmentManager.beginTransaction();
-            ft.replace(R.id.containerMain, examsFragment);
+            ft.replace(R.id.containerMain, new ExamsFragment());
             ft.commit();
-
         } else if (id == R.id.nav_credits) {
             //Goto Credits
-            CreditsFragment creditsFragment = new CreditsFragment();
             FragmentTransaction ft = fragmentManager.beginTransaction();
-            ft.replace(R.id.containerMain, creditsFragment);
+            ft.replace(R.id.containerMain, new CreditsFragment());
             ft.commit();
-
         } else if (id == R.id.nav_settings) {
             // Goto Settings
-            SettingsFragment settingsFragment = new SettingsFragment();
             FragmentTransaction ft = fragmentManager.beginTransaction();
-            ft.replace(R.id.containerMain, settingsFragment);
+            ft.replace(R.id.containerMain, new SettingsFragment());
             ft.commit();
 
         }