Added Update functionality to toggle availability

app/build.gradle

@@ -7,8 +7,8 @@ android {
         applicationId "com.de.aldo_apps.aldo.mariokartcircuitselector"
         minSdkVersion 16
         targetSdkVersion 25
-        versionCode 9
+        versionCode 10
-        versionName "0.1.9"
+        versionName "0.1.10"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
     buildTypes {

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

@@ -116,7 +116,27 @@ public class AccessoryContentProvider extends ContentProvider {
     @Override
     public int update(@NonNull final Uri uri, final ContentValues values, final String selection,
                       final String[] selectionArgs) {
-        // TODO Add update method here?
+        final int resId = uriMatcher.match(uri);
+
+        switch (resId) {
+            case Constants.CHARACTER_LOADER_ID:
+                Log.d(TAG, "query: Toggling Characters availability.");
+                return mHandler.changeCharacterAvailability(values, selection, selectionArgs);
+            case Constants.KART_LOADER_ID:
+                Log.d(TAG, "query: Toggling Karts availability.");
+                return mHandler.changeKartAvailability(values, selection, selectionArgs);
+            case Constants.ACCESSORY_LOADER_ID:
+                Log.d(TAG, "query: Toggling Accessories availability.");
+                return mHandler.changeAccessoryAvailability(values, selection, selectionArgs);
+            case Constants.TRACK_LOADER_ID:
+                Log.d(TAG, "query: Toggling Tracks availability.");
+                return mHandler.changeTrackAvailability(values, selection, selectionArgs);
+            case Constants.WHEELS_LOADER_ID:
+                Log.d(TAG, "query: Toggling Wheels availability.");
+                return mHandler.changeWheelsAvailability(values, selection, selectionArgs);
+            default:
+                Log.d(TAG, "query: UriMatcher returned: " + uriMatcher.match(uri));
                 return 0;
         }
     }
+}

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

@@ -115,7 +115,27 @@ public class CharacterContentProvider extends ContentProvider {
     @Override
     public int update(@NonNull final Uri uri, final ContentValues values, final String selection,
                       final String[] selectionArgs) {
-        // TODO Add update method here?
+        final int resId = uriMatcher.match(uri);
+
+        switch (resId) {
+            case Constants.CHARACTER_LOADER_ID:
+                Log.d(TAG, "query: Toggling Characters availability.");
+                return mHandler.changeCharacterAvailability(values, selection, selectionArgs);
+            case Constants.KART_LOADER_ID:
+                Log.d(TAG, "query: Toggling Karts availability.");
+                return mHandler.changeKartAvailability(values, selection, selectionArgs);
+            case Constants.ACCESSORY_LOADER_ID:
+                Log.d(TAG, "query: Toggling Accessories availability.");
+                return mHandler.changeAccessoryAvailability(values, selection, selectionArgs);
+            case Constants.TRACK_LOADER_ID:
+                Log.d(TAG, "query: Toggling Tracks availability.");
+                return mHandler.changeTrackAvailability(values, selection, selectionArgs);
+            case Constants.WHEELS_LOADER_ID:
+                Log.d(TAG, "query: Toggling Wheels availability.");
+                return mHandler.changeWheelsAvailability(values, selection, selectionArgs);
+            default:
+                Log.d(TAG, "query: UriMatcher returned: " + uriMatcher.match(uri));
                 return 0;
         }
     }
+}

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

@@ -25,7 +25,7 @@ public final class Constants {
      * As SQLite does not have a native boolean value, we use integers to represent true and false.
      * This is the value for a false statement.
      */
-    final static Integer FALSE = 0;
+    public final static Integer FALSE = 0;
 
     /**
      * The Base LoaderID.

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

@@ -54,129 +54,76 @@ public class DatabaseHandler extends SQLiteAssetHelper {
     /**
      * Helper method to update the availability status of a single track.
      *
-     * @param track       The track which should be marked as available/unavailable.
+     * @param values        The values to be put into the database.
-     * @param isAvailable The status of availability to be set.
+     * @param selection     The selection clause
+     * @param selectionArgs The Arguments for the selection clause.
      * @return The result code of the update function.
      */
-    public int changeTrackAvailability(final Track track,
+    public int changeTrackAvailability(final ContentValues values,
-                                       final boolean isAvailable) {
+                                       final String selection,
+                                       final String[] selectionArgs) {
         final SQLiteDatabase db = this.getWritableDatabase();
-
+        return db.update(Constants.TABLE_TRACK, values, selection, selectionArgs);
-        final ContentValues values = new ContentValues();
-        values.put(Constants.KEY_GAME, track.getGame());
-        values.put(Constants.KEY_NAME, track.getName());
-        values.put(Constants.KEY_PACKAGE, track.getPackage());
-        values.put(Constants.KEY_NUMBER, track.getNumber());
-        if (isAvailable) {
-            values.put(Constants.KEY_AVAILABLE, String.valueOf(Constants.TRUE));
-        } else {
-            values.put(Constants.KEY_AVAILABLE, Constants.FALSE);
-        }
-
-        return db.update(Constants.TABLE_TRACK, values, Constants.KEY_ID + " = ?",
-                new String[]{String.valueOf(track.getId())});
     }
 
     /**
      * Helper method to update the availability status of a single character.
      *
-     * @param character   The character which should be marked as available/unavailable.
+     * @param values        The values to be put into the database.
-     * @param isAvailable The status of availability to be set.
+     * @param selection     The selection clause
+     * @param selectionArgs The Arguments for the selection clause.
      * @return The result code of the update function.
      */
-    public int changeCharacterAvailability(final Character character,
+    public int changeCharacterAvailability(final ContentValues values,
-                                           final boolean isAvailable) {
+                                           final String selection,
+                                           final String[] selectionArgs) {
         final SQLiteDatabase db = this.getWritableDatabase();
-
+        return db.update(Constants.TABLE_CHARACTER, values, selection, selectionArgs);
-        final ContentValues values = new ContentValues();
-        values.put(Constants.KEY_GAME, character.getGame());
-        values.put(Constants.KEY_NAME, character.getName());
-        values.put(Constants.KEY_WEIGHT, character.getWeight());
-        if (isAvailable) {
-            values.put(Constants.KEY_AVAILABLE, String.valueOf(Constants.TRUE));
-        } else {
-            values.put(Constants.KEY_AVAILABLE, Constants.FALSE);
-        }
-
-        return db.update(Constants.TABLE_CHARACTER, values, Constants.KEY_ID + " = ?",
-                new String[]{String.valueOf(character.getId())});
     }
 
     /**
      * Helper method to update the availability status of a single kart.
      *
-     * @param kart        The kart which should be marked as available/unavailable.
+     * @param values        The values to be put into the database.
-     * @param isAvailable The status of availability to be set.
+     * @param selection     The selection clause
+     * @param selectionArgs The Arguments for the selection clause.
      * @return The result code of the update function.
      */
-    public int changeKartAvailability(final Kart kart,
+    public int changeKartAvailability(final ContentValues values,
-                                      final boolean isAvailable) {
+                                      final String selection,
+                                      final String[] selectionArgs) {
         final SQLiteDatabase db = this.getWritableDatabase();
-
+        return db.update(Constants.TABLE_KART, values, selection, selectionArgs);
-        final ContentValues values = new ContentValues();
-        values.put(Constants.KEY_GAME, kart.getGame());
-        values.put(Constants.KEY_NAME, kart.getName());
-        values.put(Constants.KEY_WEIGHT, kart.getWeight());
-        values.put(Constants.KEY_WHEELS, kart.getWheels());
-        values.put(Constants.KEY_ACCESSORY, kart.getAccessory());
-        values.put(Constants.KEY_DEDICATED_DRIVER, kart.getDedicatedDriver());
-        values.put(Constants.KEY_FREE_FOR_ALL, kart.getFreeForAll());
-        if (isAvailable) {
-            values.put(Constants.KEY_AVAILABLE, String.valueOf(Constants.TRUE));
-        } else {
-            values.put(Constants.KEY_AVAILABLE, Constants.FALSE);
-        }
-
-        return db.update(Constants.TABLE_KART, values, Constants.KEY_ID + " = ?",
-                new String[]{String.valueOf(kart.getId())});
     }
 
     /**
      * Helper method to update the availability status of a single accessory.
      *
-     * @param accessory   The accessory which should be marked as available/unavailable.
+     * @param values        The values to be put into the database.
-     * @param isAvailable The status of availability to be set.
+     * @param selection     The selection clause
+     * @param selectionArgs The Arguments for the selection clause.
      * @return The result code of the update function.
      */
-    public int changeAccessoryAvailability(final Accessory accessory,
+    public int changeAccessoryAvailability(final ContentValues values,
-                                           final boolean isAvailable) {
+                                           final String selection,
+                                           final String[] selectionArgs) {
         final SQLiteDatabase db = this.getWritableDatabase();
-
+        return db.update(Constants.TABLE_ACCESSORY, values, selection, selectionArgs);
-        final ContentValues values = new ContentValues();
-        values.put(Constants.KEY_GAME, accessory.getGame());
-        values.put(Constants.KEY_NAME, accessory.getName());
-        if (isAvailable) {
-            values.put(Constants.KEY_AVAILABLE, String.valueOf(Constants.TRUE));
-        } else {
-            values.put(Constants.KEY_AVAILABLE, Constants.FALSE);
-        }
-
-        return db.update(Constants.TABLE_ACCESSORY, values, Constants.KEY_ID + " = ?",
-                new String[]{String.valueOf(accessory.getId())});
     }
 
     /**
      * Helper method to update the availability status of a single wheels.
      *
-     * @param wheels      The wheels which should be marked as available/unavailable.
+     * @param values        The values to be put into the database.
-     * @param isAvailable The status of availability to be set.
+     * @param selection     The selection clause
+     * @param selectionArgs The Arguments for the selection clause.
      * @return The result code of the update function.
      */
-    public int changeWheelsAvailability(final Wheels wheels,
+    public int changeWheelsAvailability(final ContentValues values,
-                                        final boolean isAvailable) {
+                                        final String selection,
+                                        final String[] selectionArgs) {
         final SQLiteDatabase db = this.getWritableDatabase();
-
+        return db.update(Constants.TABLE_WHEELS, values, selection, selectionArgs);
-        final ContentValues values = new ContentValues();
-        values.put(Constants.KEY_GAME, wheels.getGame());
-        values.put(Constants.KEY_NAME, wheels.getGame());
-        if (isAvailable) {
-            values.put(Constants.KEY_AVAILABLE, String.valueOf(Constants.TRUE));
-        } else {
-            values.put(Constants.KEY_AVAILABLE, Constants.FALSE);
-        }
-
-        return db.update(Constants.TABLE_WHEELS, values, Constants.KEY_ID + " = ?",
-                new String[]{String.valueOf(wheels.getId())});
     }
 
     // -------------------------------------------------------------------------------------------

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

@@ -115,7 +115,27 @@ public class KartContentProvider extends ContentProvider {
     @Override
     public int update(@NonNull final Uri uri, final ContentValues values, final String selection,
                       final String[] selectionArgs) {
-        // TODO Add update method here?
+        final int resId = uriMatcher.match(uri);
+
+        switch (resId) {
+            case Constants.CHARACTER_LOADER_ID:
+                Log.d(TAG, "query: Toggling Characters availability.");
+                return mHandler.changeCharacterAvailability(values, selection, selectionArgs);
+            case Constants.KART_LOADER_ID:
+                Log.d(TAG, "query: Toggling Karts availability.");
+                return mHandler.changeKartAvailability(values, selection, selectionArgs);
+            case Constants.ACCESSORY_LOADER_ID:
+                Log.d(TAG, "query: Toggling Accessories availability.");
+                return mHandler.changeAccessoryAvailability(values, selection, selectionArgs);
+            case Constants.TRACK_LOADER_ID:
+                Log.d(TAG, "query: Toggling Tracks availability.");
+                return mHandler.changeTrackAvailability(values, selection, selectionArgs);
+            case Constants.WHEELS_LOADER_ID:
+                Log.d(TAG, "query: Toggling Wheels availability.");
+                return mHandler.changeWheelsAvailability(values, selection, selectionArgs);
+            default:
+                Log.d(TAG, "query: UriMatcher returned: " + uriMatcher.match(uri));
                 return 0;
         }
     }
+}

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

@@ -115,7 +115,27 @@ public class TrackContentProvider extends ContentProvider {
     @Override
     public int update(@NonNull final Uri uri, final ContentValues values, final String selection,
                       final String[] selectionArgs) {
-        // TODO Add update method here?
+        final int resId = uriMatcher.match(uri);
+
+        switch (resId) {
+            case Constants.CHARACTER_LOADER_ID:
+                Log.d(TAG, "query: Toggling Characters availability.");
+                return mHandler.changeCharacterAvailability(values, selection, selectionArgs);
+            case Constants.KART_LOADER_ID:
+                Log.d(TAG, "query: Toggling Karts availability.");
+                return mHandler.changeKartAvailability(values, selection, selectionArgs);
+            case Constants.ACCESSORY_LOADER_ID:
+                Log.d(TAG, "query: Toggling Accessories availability.");
+                return mHandler.changeAccessoryAvailability(values, selection, selectionArgs);
+            case Constants.TRACK_LOADER_ID:
+                Log.d(TAG, "query: Toggling Tracks availability.");
+                return mHandler.changeTrackAvailability(values, selection, selectionArgs);
+            case Constants.WHEELS_LOADER_ID:
+                Log.d(TAG, "query: Toggling Wheels availability.");
+                return mHandler.changeWheelsAvailability(values, selection, selectionArgs);
+            default:
+                Log.d(TAG, "query: UriMatcher returned: " + uriMatcher.match(uri));
                 return 0;
         }
     }
+}

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

@@ -115,7 +115,27 @@ public class WheelsContentProvider extends ContentProvider {
     @Override
     public int update(@NonNull final Uri uri, final ContentValues values, final String selection,
                       final String[] selectionArgs) {
-        // TODO Add update method here?
+        final int resId = uriMatcher.match(uri);
+
+        switch (resId) {
+            case Constants.CHARACTER_LOADER_ID:
+                Log.d(TAG, "query: Toggling Characters availability.");
+                return mHandler.changeCharacterAvailability(values, selection, selectionArgs);
+            case Constants.KART_LOADER_ID:
+                Log.d(TAG, "query: Toggling Karts availability.");
+                return mHandler.changeKartAvailability(values, selection, selectionArgs);
+            case Constants.ACCESSORY_LOADER_ID:
+                Log.d(TAG, "query: Toggling Accessories availability.");
+                return mHandler.changeAccessoryAvailability(values, selection, selectionArgs);
+            case Constants.TRACK_LOADER_ID:
+                Log.d(TAG, "query: Toggling Tracks availability.");
+                return mHandler.changeTrackAvailability(values, selection, selectionArgs);
+            case Constants.WHEELS_LOADER_ID:
+                Log.d(TAG, "query: Toggling Wheels availability.");
+                return mHandler.changeWheelsAvailability(values, selection, selectionArgs);
+            default:
+                Log.d(TAG, "query: UriMatcher returned: " + uriMatcher.match(uri));
                 return 0;
         }
     }
+}

app/src/main/java/com/de/aldo_apps/aldo/mariokartcircuitselector/adapters/AccessoryCursorAdapter.java

@@ -1,8 +1,10 @@
 package com.de.aldo_apps.aldo.mariokartcircuitselector.adapters;
 
+import android.content.ContentValues;
 import android.content.Context;
 import android.database.Cursor;
 import android.support.v4.widget.SimpleCursorAdapter;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -11,6 +13,7 @@ import android.widget.CompoundButton;
 import android.widget.CompoundButton.OnCheckedChangeListener;
 import android.widget.TextView;
 
+import com.de.aldo_apps.aldo.mariokartcircuitselector.AccessoryContentProvider;
 import com.de.aldo_apps.aldo.mariokartcircuitselector.Constants;
 import com.de.aldo_apps.aldo.mariokartcircuitselector.R;
 
@@ -23,6 +26,16 @@ import com.de.aldo_apps.aldo.mariokartcircuitselector.R;
  */
 public class AccessoryCursorAdapter extends SimpleCursorAdapter {
 
+    /**
+     * Tag for debugging purpose.
+     */
+    private static final String TAG = "AccessoryAdapter";
+
+    /**
+     * The Context where this adapter was assigned.
+     */
+    private Context mContext;
+
     /**
      * The LayoutInflater used to inflate a new ListItem.
      */
@@ -52,6 +65,7 @@ public class AccessoryCursorAdapter extends SimpleCursorAdapter {
                                    final int[] to,
                                    final int flags) {
         super(context, layout, cursor, from, to, flags);
+        mContext = context;
         mLayout = layout;
         mInflater = LayoutInflater.from(context);
     }
@@ -113,8 +127,17 @@ public class AccessoryCursorAdapter extends SimpleCursorAdapter {
 
         availabilityCheckBox.setOnCheckedChangeListener(new OnCheckedChangeListener() {
             @Override
-            public void onCheckedChanged(final CompoundButton compoundButton, final boolean b) {
+            public void onCheckedChanged(CompoundButton compoundButton, boolean isAvailable) {
-                // TODO: Handle update method here.
+                final ContentValues values = new ContentValues();
+                Log.d(TAG, "onCheckedChanged: Toggling Availability of [" + name
+                        + "] to available = [" + isAvailable + "]");
+                if (isAvailable) {
+                    values.put(Constants.KEY_AVAILABLE, String.valueOf(Constants.TRUE));
+                } else {
+                    values.put(Constants.KEY_AVAILABLE, String.valueOf(Constants.FALSE));
+                }
+                mContext.getContentResolver().update(AccessoryContentProvider.CONTENT_URI, values,
+                        Constants.KEY_ID + " = ?", new String[]{String.valueOf(id)});
             }
         });
 

app/src/main/java/com/de/aldo_apps/aldo/mariokartcircuitselector/adapters/CharacterCursorAdapter.java

@@ -1,8 +1,10 @@
 package com.de.aldo_apps.aldo.mariokartcircuitselector.adapters;
 
+import android.content.ContentValues;
 import android.content.Context;
 import android.database.Cursor;
 import android.support.v4.widget.SimpleCursorAdapter;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -11,6 +13,7 @@ import android.widget.CompoundButton;
 import android.widget.CompoundButton.OnCheckedChangeListener;
 import android.widget.TextView;
 
+import com.de.aldo_apps.aldo.mariokartcircuitselector.CharacterContentProvider;
 import com.de.aldo_apps.aldo.mariokartcircuitselector.Constants;
 import com.de.aldo_apps.aldo.mariokartcircuitselector.R;
 
@@ -23,6 +26,16 @@ import com.de.aldo_apps.aldo.mariokartcircuitselector.R;
  */
 public class CharacterCursorAdapter extends SimpleCursorAdapter {
 
+    /**
+     * Tag for debugging purpose.
+     */
+    private static final String TAG = "CharacterAdapter";
+
+    /**
+     * The Context where this adapter was assigned.
+     */
+    private Context mContext;
+
     /**
      * The LayoutInflater used to inflate a new ListItem.
      */
@@ -52,6 +65,7 @@ public class CharacterCursorAdapter extends SimpleCursorAdapter {
                                   final int[] to,
                                   final int flags) {
         super(context, layout, cursor, from, to, flags);
+        mContext = context;
         mLayout = layout;
         mInflater = LayoutInflater.from(context);
     }
@@ -121,8 +135,17 @@ public class CharacterCursorAdapter extends SimpleCursorAdapter {
 
         availabilityCheckBox.setOnCheckedChangeListener(new OnCheckedChangeListener() {
             @Override
-            public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
+            public void onCheckedChanged(CompoundButton compoundButton, boolean isAvailable) {
-                // TODO: Handle update method here.
+                final ContentValues values = new ContentValues();
+                Log.d(TAG, "onCheckedChanged: Toggling Availability of [" + name
+                        + "] to available = [" + isAvailable + "]");
+                if (isAvailable) {
+                    values.put(Constants.KEY_AVAILABLE, String.valueOf(Constants.TRUE));
+                } else {
+                    values.put(Constants.KEY_AVAILABLE, String.valueOf(Constants.FALSE));
+                }
+                mContext.getContentResolver().update(CharacterContentProvider.CONTENT_URI, values,
+                        Constants.KEY_ID + " = ?", new String[]{String.valueOf(id)});
             }
         });
 

app/src/main/java/com/de/aldo_apps/aldo/mariokartcircuitselector/adapters/KartCursorAdapter.java

@@ -1,8 +1,10 @@
 package com.de.aldo_apps.aldo.mariokartcircuitselector.adapters;
 
+import android.content.ContentValues;
 import android.content.Context;
 import android.database.Cursor;
 import android.support.v4.widget.SimpleCursorAdapter;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -12,6 +14,7 @@ import android.widget.CompoundButton.OnCheckedChangeListener;
 import android.widget.TextView;
 
 import com.de.aldo_apps.aldo.mariokartcircuitselector.Constants;
+import com.de.aldo_apps.aldo.mariokartcircuitselector.KartContentProvider;
 import com.de.aldo_apps.aldo.mariokartcircuitselector.R;
 
 /**
@@ -23,6 +26,16 @@ import com.de.aldo_apps.aldo.mariokartcircuitselector.R;
  */
 public class KartCursorAdapter extends SimpleCursorAdapter {
 
+    /**
+     * Tag for debugging purpose.
+     */
+    private static final String TAG = "KartAdapter";
+
+    /**
+     * The Context where this adapter was assigned.
+     */
+    private Context mContext;
+
     /**
      * The LayoutInflater used to inflate a new ListItem.
      */
@@ -52,6 +65,7 @@ public class KartCursorAdapter extends SimpleCursorAdapter {
                              final int[] to,
                              final int flags) {
         super(context, layout, cursor, from, to, flags);
+        mContext = context;
         mLayout = layout;
         mInflater = LayoutInflater.from(context);
     }
@@ -125,8 +139,17 @@ public class KartCursorAdapter extends SimpleCursorAdapter {
 
         availabilityCheckBox.setOnCheckedChangeListener(new OnCheckedChangeListener() {
             @Override
-            public void onCheckedChanged(final CompoundButton compoundButton, final boolean b) {
+            public void onCheckedChanged(CompoundButton compoundButton, boolean isAvailable) {
-                // TODO: Handle update method here.
+                final ContentValues values = new ContentValues();
+                Log.d(TAG, "onCheckedChanged: Toggling Availability of [" + name
+                        + "] to available = [" + isAvailable + "]");
+                if (isAvailable) {
+                    values.put(Constants.KEY_AVAILABLE, String.valueOf(Constants.TRUE));
+                } else {
+                    values.put(Constants.KEY_AVAILABLE, String.valueOf(Constants.FALSE));
+                }
+                mContext.getContentResolver().update(KartContentProvider.CONTENT_URI, values,
+                        Constants.KEY_ID + " = ?", new String[]{String.valueOf(id)});
             }
         });
 

app/src/main/java/com/de/aldo_apps/aldo/mariokartcircuitselector/adapters/TrackCursorAdapter.java

@@ -1,8 +1,10 @@
 package com.de.aldo_apps.aldo.mariokartcircuitselector.adapters;
 
+import android.content.ContentValues;
 import android.content.Context;
 import android.database.Cursor;
 import android.support.v4.widget.SimpleCursorAdapter;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -13,6 +15,7 @@ import android.widget.TextView;
 
 import com.de.aldo_apps.aldo.mariokartcircuitselector.Constants;
 import com.de.aldo_apps.aldo.mariokartcircuitselector.R;
+import com.de.aldo_apps.aldo.mariokartcircuitselector.TrackContentProvider;
 
 /**
  * Custom CursorAdapter which populates the ListView with track data from cursor.
@@ -23,6 +26,16 @@ import com.de.aldo_apps.aldo.mariokartcircuitselector.R;
  */
 public class TrackCursorAdapter extends SimpleCursorAdapter {
 
+    /**
+     * Tag for debugging purpose.
+     */
+    private static final String TAG = "TrackAdapter";
+
+    /**
+     * The Context where this adapter was assigned.
+     */
+    private Context mContext;
+
     /**
      * The LayoutInflater used to inflate a new ListItem.
      */
@@ -52,6 +65,7 @@ public class TrackCursorAdapter extends SimpleCursorAdapter {
                               final int[] to,
                               final int flags) {
         super(context, layout, cursor, from, to, flags);
+        mContext = context;
         mLayout = layout;
         mInflater = LayoutInflater.from(context);
     }
@@ -123,8 +137,17 @@ public class TrackCursorAdapter extends SimpleCursorAdapter {
 
         availabilityCheckBox.setOnCheckedChangeListener(new OnCheckedChangeListener() {
             @Override
-            public void onCheckedChanged(final CompoundButton compoundButton, final boolean b) {
+            public void onCheckedChanged(CompoundButton compoundButton, boolean isAvailable) {
-                // TODO: Handle update method here.
+                final ContentValues values = new ContentValues();
+                Log.d(TAG, "onCheckedChanged: Toggling Availability of [" + name
+                        + "] to available = [" + isAvailable + "]");
+                if (isAvailable) {
+                    values.put(Constants.KEY_AVAILABLE, String.valueOf(Constants.TRUE));
+                } else {
+                    values.put(Constants.KEY_AVAILABLE, String.valueOf(Constants.FALSE));
+                }
+                mContext.getContentResolver().update(TrackContentProvider.CONTENT_URI, values,
+                        Constants.KEY_ID + " = ?", new String[]{String.valueOf(id)});
             }
         });
 

app/src/main/java/com/de/aldo_apps/aldo/mariokartcircuitselector/adapters/WheelsCursorAdapter.java

@@ -1,8 +1,10 @@
 package com.de.aldo_apps.aldo.mariokartcircuitselector.adapters;
 
+import android.content.ContentValues;
 import android.content.Context;
 import android.database.Cursor;
 import android.support.v4.widget.SimpleCursorAdapter;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -13,6 +15,7 @@ import android.widget.TextView;
 
 import com.de.aldo_apps.aldo.mariokartcircuitselector.Constants;
 import com.de.aldo_apps.aldo.mariokartcircuitselector.R;
+import com.de.aldo_apps.aldo.mariokartcircuitselector.WheelsContentProvider;
 
 /**
  * Custom CursorAdapter which populates the ListView with wheels data from cursor.
@@ -23,6 +26,16 @@ import com.de.aldo_apps.aldo.mariokartcircuitselector.R;
  */
 public class WheelsCursorAdapter extends SimpleCursorAdapter {
 
+    /**
+     * Tag for debugging purpose.
+     */
+    private static final String TAG = "WheelsAdapter";
+
+    /**
+     * The Context where this adapter was assigned.
+     */
+    private Context mContext;
+
     /**
      * The LayoutInflater used to inflate a new ListItem.
      */
@@ -52,6 +65,7 @@ public class WheelsCursorAdapter extends SimpleCursorAdapter {
                                   final int[] to,
                                   final int flags) {
         super(context, layout, cursor, from, to, flags);
+        mContext = context;
         mLayout = layout;
         mInflater = LayoutInflater.from(context);
     }
@@ -113,8 +127,17 @@ public class WheelsCursorAdapter extends SimpleCursorAdapter {
 
         availabilityCheckBox.setOnCheckedChangeListener(new OnCheckedChangeListener() {
             @Override
-            public void onCheckedChanged(final CompoundButton compoundButton, final boolean b) {
+            public void onCheckedChanged(CompoundButton compoundButton, boolean isAvailable) {
-                // TODO: Handle update method here.
+                final ContentValues values = new ContentValues();
+                Log.d(TAG, "onCheckedChanged: Toggling Availability of [" + name
+                        + "] to available = [" + isAvailable + "]");
+                if (isAvailable) {
+                    values.put(Constants.KEY_AVAILABLE, String.valueOf(Constants.TRUE));
+                } else {
+                    values.put(Constants.KEY_AVAILABLE, String.valueOf(Constants.FALSE));
+                }
+                mContext.getContentResolver().update(WheelsContentProvider.CONTENT_URI, values,
+                        Constants.KEY_ID + " = ?", new String[]{String.valueOf(id)});
             }
         });