Backup for local changes

app/build.gradle

@@ -26,6 +26,7 @@ dependencies {
     })
     compile 'com.android.support:appcompat-v7:25.3.1'
     compile 'com.android.support.constraint:constraint-layout:1.0.2'
+    compile 'com.afollestad.material-dialogs:core:0.9.4.3'
     compile 'com.readystatesoftware.sqliteasset:sqliteassethelper:+'
     compile 'devlight.io:navigationtabbar:1.2.5'
     testCompile 'junit:junit:4.12'

app/src/main/java/com/de/aldo_apps/aldo/mariokartcircuitselector/GameSelection.java

@@ -1,25 +1,19 @@
 package com.de.aldo_apps.aldo.mariokartcircuitselector;
 
 import android.graphics.Color;
-import android.support.v4.app.FragmentManager;
-import android.support.v4.app.FragmentTransaction;
-import android.support.v4.view.PagerAdapter;
+import android.os.AsyncTask;
 import android.support.v4.view.ViewPager;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
 import android.util.Log;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.LinearLayout;
 
+import com.afollestad.materialdialogs.MaterialDialog;
+import com.de.aldo_apps.aldo.mariokartcircuitselector.adapter.PagerItemAdapter;
 import com.de.aldo_apps.aldo.mariokartcircuitselector.database_models.Accessory;
 import com.de.aldo_apps.aldo.mariokartcircuitselector.database_models.Character;
 import com.de.aldo_apps.aldo.mariokartcircuitselector.database_models.Kart;
 import com.de.aldo_apps.aldo.mariokartcircuitselector.database_models.Track;
 import com.de.aldo_apps.aldo.mariokartcircuitselector.database_models.Wheels;
-import com.de.aldo_apps.aldo.mariokartcircuitselector.fragments.PagerItem;
-import com.de.aldo_apps.aldo.mariokartcircuitselector.fragments.SingleCharacterFragment;
 
 import java.util.ArrayList;
 
@@ -29,102 +23,51 @@ public class GameSelection extends AppCompatActivity {
 
     private static final String TAG = "GameSelection";
 
-    private PagerItem mCharacterItems;
-    private PagerItem mKartItems;
-    private PagerItem mTrackItems;
-    private PagerItem mAccessoryItems;
-    private PagerItem mWheelsItems;
-
     private ArrayList<Kart> mAllKarts = new ArrayList<>();
     private ArrayList<Character> mAllCharacters = new ArrayList<>();
     private ArrayList<Track> mAllTracks = new ArrayList<>();
     private ArrayList<Wheels> mAllWheels = new ArrayList<>();
     private ArrayList<Accessory> mAllAccessories = new ArrayList<>();
+    private final ArrayList<ArrayList<? extends Object>> mListOfObjects = new ArrayList<>();
+
+    private DatabaseHandler mDbHandler;
+
+    /**
+     * Progress Bar to show during initial loading of the list.
+     */
+    private MaterialDialog mProgressBar;
 
     @Override
     protected void onCreate(final Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_game_selection);
 
-        final DatabaseHandler handler = new DatabaseHandler(this);
+        mDbHandler = new DatabaseHandler(this);
+        showLoading();
 
-        mAllKarts = handler.getAllKarts(null, false);
-        mAllCharacters = handler.getAllCharacters(null, false);
-        mAllTracks = handler.getAllTracks(null, false);
-        mAllWheels = handler.getAllWheels(null, false);
-        mAllAccessories = handler.getAllAccessories(null, false);
+        new GetFramDatabaseTask().execute("");
+    }
 
+    private void showLoading() {
+        // Show Loading Bar until all items are loaded.
+        mProgressBar = new MaterialDialog.Builder(this)
+                .content("Lade...")
+                .progress(true, 0)
+                .show();
+    }
+
+    public void hideLoading() {
+        if (mProgressBar != null) {
+            mProgressBar.dismiss();
+        }
+    }
+
+    public void updateUI() {
         final String[] colors = getResources().getStringArray(R.array.vertical_ntb);
 
         final ViewPager viewPager = (ViewPager) findViewById(R.id.vp_horizontal_ntb);
-        viewPager.setAdapter(new PagerAdapter() {
-            @Override
-            public int getCount() {
-                return 5;
-            }
-
-            @Override
-            public boolean isViewFromObject(final View view, final Object object) {
-                return view.equals(object);
-            }
-
-
-            @Override
-            public void destroyItem(final View container, final int position, final Object object) {
-                ((ViewPager) container).removeView((View) object);
-            }
-
-            @Override
-            public Object instantiateItem(final ViewGroup container, final int position) {
-                final View view = LayoutInflater.from(
-                        getBaseContext()).inflate(R.layout.pager_item, null, false);
-
-                switch (position) {
-                    case Constants.CHARACTER:
-                        mCharacterItems = new PagerItem(view, handler, GameSelection.this,
-                                getSupportFragmentManager());
-                        if (mAllCharacters != null) {
-                            mCharacterItems.setArguments(mAllCharacters);
-                        }
-                        break;
-                    case Constants.KART:
-                        mKartItems = new PagerItem(view, handler, GameSelection.this,
-                                getSupportFragmentManager());
-                        if (mAllKarts != null) {
-                            mKartItems.setArguments(mAllKarts);
-                        }
-                        break;
-                    case Constants.ACCESSORY:
-                        mAccessoryItems = new PagerItem(view, handler, GameSelection.this,
-                                getSupportFragmentManager());
-                        if (mAllAccessories != null) {
-                            mAccessoryItems.setArguments(mAllAccessories);
-                        }
-                        break;
-                    case Constants.TRACK:
-                        mTrackItems = new PagerItem(view, handler, GameSelection.this,
-                                getSupportFragmentManager());
-                        if (mAllTracks != null) {
-                            mTrackItems.setArguments(mAllTracks);
-                        }
-                        break;
-                    case Constants.WHEELS:
-                        mWheelsItems = new PagerItem(view, handler, GameSelection.this,
-                                getSupportFragmentManager());
-                        if (mAllWheels != null) {
-                            mWheelsItems.setArguments(mAllWheels);
-                        }
-                        break;
-                    default:
-                        Log.d(TAG, "instantiateItem: No available Item for Position ["
-                                + position + "]");
-                        break;
-                }
-
-                container.addView(view);
-                return view;
-            }
-        });
+        viewPager.setAdapter(new PagerItemAdapter(getLayoutInflater(), mDbHandler,
+                this, getSupportFragmentManager(), mListOfObjects));
 
 
         final NavigationTabBar navigationTabBar
@@ -171,7 +114,7 @@ public class GameSelection extends AppCompatActivity {
                         .build()
         );
         navigationTabBar.setModels(models);
-        navigationTabBar.setViewPager(viewPager, 2);
+        navigationTabBar.setViewPager(viewPager);
 
         navigationTabBar.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {
             @Override
@@ -209,6 +152,33 @@ public class GameSelection extends AppCompatActivity {
                 }
             }
         }, 500);
+    }
 
+
+    private class GetFramDatabaseTask extends AsyncTask<String, Void, String> {
+
+        @Override
+        protected String doInBackground(String... strings) {
+            mAllKarts = mDbHandler.getAllKarts(null, false);
+            mAllCharacters = mDbHandler.getAllCharacters(null, false);
+            mAllTracks = mDbHandler.getAllTracks(null, false);
+            mAllWheels = mDbHandler.getAllWheels(null, false);
+            mAllAccessories = mDbHandler.getAllAccessories(null, false);
+
+            return null;
+        }
+
+        @Override
+        protected void onPostExecute(String result) {
+            mListOfObjects.add(mAllKarts);
+            mListOfObjects.add(mAllCharacters);
+            mListOfObjects.add(mAllTracks);
+            mListOfObjects.add(mAllWheels);
+            mListOfObjects.add(mAllAccessories);
+
+
+            updateUI();
+            hideLoading();
+        }
     }
 }

app/src/main/java/com/de/aldo_apps/aldo/mariokartcircuitselector/fragments/PagerItem.java

@@ -41,15 +41,15 @@ public class PagerItem {
 
     private FragmentManager mFragmentManager;
 
-    public PagerItem(final View view,
+    public PagerItem(final LayoutInflater inflater,
                      final DatabaseHandler databaseHandler,
                      final Activity context,
                      final FragmentManager fragmentManager) {
-        mView = view;
+        mView = inflater.inflate(R.layout.pager_item, null, false);
         mHandler = databaseHandler;
         mContext = context;
         mFragmentManager = fragmentManager;
-        mListView = (ListView) view.findViewById(R.id.all_items_list_view);
+        mListView = (ListView) mView.findViewById(R.id.all_items_list_view);
     }
 
     /**