Updated AppCompat to 27.1.1 and removed Loader hacks which are no longer necessary

app/build.gradle

@@ -25,7 +25,7 @@ android {
 }
 
 ext {
-    supportLibraryVersion = '27.0.2'
+    supportLibraryVersion = '27.1.1'
 }
 
 dependencies {

app/src/main/java/be/digitalia/fosdem/activities/BaseActivity.java

@@ -1,17 +0,0 @@
-package be.digitalia.fosdem.activities;
-
-import android.support.v4.app.SafeLoadersUtils;
-import android.support.v7.app.AppCompatActivity;
-
-/**
- * Common activity code with fragment loaders fix.
- */
-public abstract class BaseActivity extends AppCompatActivity {
-
-	@Override
-	public Object onRetainCustomNonConfigurationInstance() {
-		// TODO Remove when support-fragment Loaders bug is fixed
-		SafeLoadersUtils.onRetainCustomNonConfigurationInstance(this);
-		return super.onRetainCustomNonConfigurationInstance();
-	}
-}

app/src/main/java/be/digitalia/fosdem/activities/EventDetailsActivity.java

@@ -11,6 +11,7 @@ import android.support.v4.app.FragmentManager;
 import android.support.v4.app.NavUtils;
 import android.support.v4.app.TaskStackBuilder;
 import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
 import android.view.MenuItem;
 import android.widget.Toast;
 
@@ -27,7 +28,7 @@ import be.digitalia.fosdem.viewmodels.EventViewModel;
  *
  * @author Christophe Beyls
  */
-public class EventDetailsActivity extends BaseActivity implements Observer<Event>, CreateNfcAppDataCallback {
+public class EventDetailsActivity extends AppCompatActivity implements Observer<Event>, CreateNfcAppDataCallback {
 
 	public static final String EXTRA_EVENT = "event";
 

app/src/main/java/be/digitalia/fosdem/activities/MainActivity.java

@@ -34,6 +34,7 @@ import android.support.v4.widget.DrawerLayout;
 import android.support.v4.widget.TextViewCompat;
 import android.support.v7.app.ActionBarDrawerToggle;
 import android.support.v7.app.AlertDialog;
+import android.support.v7.app.AppCompatActivity;
 import android.support.v7.content.res.AppCompatResources;
 import android.support.v7.widget.SearchView;
 import android.support.v7.widget.Toolbar;
@@ -69,7 +70,7 @@ import be.digitalia.fosdem.widgets.AdapterLinearLayout;
  *
  * @author Christophe Beyls
  */
-public class MainActivity extends BaseActivity {
+public class MainActivity extends AppCompatActivity {
 
 	public static final String ACTION_SHORTCUT_BOOKMARKS = BuildConfig.APPLICATION_ID + ".intent.action.SHORTCUT_BOOKMARKS";
 	public static final String ACTION_SHORTCUT_LIVE = BuildConfig.APPLICATION_ID + ".intent.action.SHORTCUT_LIVE";

app/src/main/java/be/digitalia/fosdem/activities/PersonInfoActivity.java

@@ -3,6 +3,7 @@ package be.digitalia.fosdem.activities;
 import android.os.Bundle;
 import android.support.v4.app.Fragment;
 import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
 import android.view.MenuItem;
 import android.widget.TextView;
@@ -11,7 +12,7 @@ import be.digitalia.fosdem.R;
 import be.digitalia.fosdem.fragments.PersonInfoListFragment;
 import be.digitalia.fosdem.model.Person;
 
-public class PersonInfoActivity extends BaseActivity {
+public class PersonInfoActivity extends AppCompatActivity {
 
 	public static final String EXTRA_PERSON = "person";
 

app/src/main/java/be/digitalia/fosdem/activities/RoomImageDialogActivity.java

@@ -9,6 +9,7 @@ import android.net.Uri;
 import android.os.Bundle;
 import android.support.customtabs.CustomTabsIntent;
 import android.support.v4.content.ContextCompat;
+import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
 import android.text.SpannableString;
 import android.text.Spanned;
@@ -31,7 +32,7 @@ import be.digitalia.fosdem.utils.StringUtils;
  *
  * @author Christophe Beyls
  */
-public class RoomImageDialogActivity extends BaseActivity {
+public class RoomImageDialogActivity extends AppCompatActivity {
 
 	public static final String EXTRA_ROOM_NAME = "roomName";
 	public static final String EXTRA_ROOM_IMAGE_RESOURCE_ID = "imageResId";

app/src/main/java/be/digitalia/fosdem/activities/SearchResultActivity.java

@@ -5,6 +5,7 @@ import android.app.SearchManager;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.SearchView;
 import android.view.Menu;
 import android.view.MenuItem;
@@ -13,7 +14,7 @@ import be.digitalia.fosdem.R;
 import be.digitalia.fosdem.fragments.MessageDialogFragment;
 import be.digitalia.fosdem.fragments.SearchResultListFragment;
 
-public class SearchResultActivity extends BaseActivity {
+public class SearchResultActivity extends AppCompatActivity {
 
 	public static final int MIN_SEARCH_LENGTH = 3;
 

app/src/main/java/be/digitalia/fosdem/activities/TrackScheduleActivity.java

@@ -7,6 +7,7 @@ import android.support.v4.app.FragmentManager;
 import android.support.v4.app.FragmentTransaction;
 import android.support.v4.app.NavUtils;
 import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
 import android.view.MenuItem;
 import android.widget.ImageView;
@@ -27,7 +28,7 @@ import be.digitalia.fosdem.utils.ThemeUtils;
  *
  * @author Christophe Beyls
  */
-public class TrackScheduleActivity extends BaseActivity
+public class TrackScheduleActivity extends AppCompatActivity
 		implements TrackScheduleListFragment.Callbacks,
 		EventDetailsFragment.FloatingActionButtonProvider,
 		CreateNfcAppDataCallback {

app/src/main/java/be/digitalia/fosdem/activities/TrackScheduleEventActivity.java

@@ -11,6 +11,7 @@ import android.support.v4.content.ContextCompat;
 import android.support.v4.content.Loader;
 import android.support.v4.view.ViewPager;
 import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
 import android.view.MenuItem;
 
 import com.viewpagerindicator.UnderlinePageIndicator;
@@ -31,7 +32,7 @@ import be.digitalia.fosdem.widgets.ContentLoadingProgressBar;
  *
  * @author Christophe Beyls
  */
-public class TrackScheduleEventActivity extends BaseActivity implements LoaderCallbacks<Cursor>, CreateNfcAppDataCallback {
+public class TrackScheduleEventActivity extends AppCompatActivity implements LoaderCallbacks<Cursor>, CreateNfcAppDataCallback {
 
 	public static final String EXTRA_DAY = "day";
 	public static final String EXTRA_TRACK = "track";