Add easter egg to switch to dark theme

app/src/main/java/app/insti/Utils.java

@@ -8,11 +8,13 @@ import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentActivity;
 import android.support.v4.app.FragmentTransaction;
 import android.widget.ImageView;
+import android.widget.Toast;
 
 import com.google.gson.Gson;
 import com.squareup.picasso.Callback;
 import com.squareup.picasso.Picasso;
 
+import app.insti.activity.MainActivity;
 import app.insti.api.RetrofitInterface;
 import app.insti.api.model.Body;
 import app.insti.api.model.Event;
@@ -25,6 +27,7 @@ public final class Utils {
     public static UpdatableList<Event> eventCache = new UpdatableList<>();
     private static String sessionId;
     private static RetrofitInterface retrofitInterface;
+    public static boolean darkTheme = false;
 
     public static final void loadImageWithPlaceholder(final ImageView imageView, final String url) {
         Picasso.get()
@@ -114,4 +117,17 @@ public final class Utils {
             context.startActivity(browse);
         }
     }
+
+    public static void changeTheme(FragmentActivity context) {
+        if (darkTheme) {
+            context.setTheme(R.style.AppTheme);
+        } else {
+            Toast.makeText(context, "You have unlocked super max pro mode", Toast.LENGTH_SHORT).show();
+            context.setTheme(R.style.AppThemeDark);
+        }
+        darkTheme = !darkTheme;
+        Intent intent = new Intent(context, MainActivity.class);
+        context.startActivity(intent);
+        context.finish();
+    }
 }

app/src/main/java/app/insti/activity/MainActivity.java

 package app.insti.activity;
 
+import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.app.Activity;
 import android.app.NotificationChannel;
@@ -24,8 +25,10 @@ import android.support.v7.app.ActionBarDrawerToggle;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
 import android.util.Log;
+import android.view.GestureDetector;
 import android.view.Menu;
 import android.view.MenuItem;
+import android.view.MotionEvent;
 import android.view.View;
 import android.view.inputmethod.InputMethodManager;
 import android.widget.ImageView;
@@ -95,7 +98,9 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
     private RetrofitInterface retrofitInterface;
     private List<Notification> notifications = null;
 
-    /** which menu item should be checked on activity start */
+    /**
+     * which menu item should be checked on activity start
+     */
     private int initMenuChecked = R.id.nav_feed;
 
     public static void hideKeyboard(Activity activity) {
@@ -109,8 +114,12 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
         imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
     }
 
+    @SuppressLint("ClickableViewAccessibility")
     @Override
     protected void onCreate(Bundle savedInstanceState) {
+        if (Utils.darkTheme) {
+            setTheme(R.style.AppThemeDark_NoActionBar);
+        }
         super.onCreate(savedInstanceState);
 
         ServiceGenerator serviceGenerator = new ServiceGenerator(getApplicationContext());
@@ -150,10 +159,29 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
             }
         }
 
+        toolbar.setOnTouchListener(new View.OnTouchListener() {
+            private GestureDetector gestureDetector = new GestureDetector(MainActivity.this, new GestureDetector.SimpleOnGestureListener() {
+                @Override
+                public boolean onDoubleTap(MotionEvent e) {
+                    Toast.makeText(MainActivity.this, "You have unlocked super max pro mode", Toast.LENGTH_SHORT).show();
+                    Utils.changeTheme(MainActivity.this);
+                    return super.onDoubleTap(e);
+                }
+            });
+
+            @Override
+            public boolean onTouch(View v, MotionEvent event) {
+                gestureDetector.onTouchEvent(event);
+                return true;
+            }
+        });
+
         checkLatestVersion();
     }
 
-    /** Get the notifications from memory cache or network */
+    /**
+     * Get the notifications from memory cache or network
+     */
     private void fetchNotifications() {
         // Try memory cache
         if (notifications != null) {
@@ -174,7 +202,9 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
         });
     }
 
-    /** Show the right notification icon */
+    /**
+     * Show the right notification icon
+     */
     private void showNotifications() {
         if (notifications != null && !notifications.isEmpty()) {
             menu.findItem(R.id.action_notifications).setIcon(R.drawable.baseline_notifications_active_white_24);
@@ -183,7 +213,9 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
         }
     }
 
-    /** Get version code we are currently on */
+    /**
+     * Get version code we are currently on
+     */
     private int getCurrentVersion() {
         try {
             PackageInfo pInfo = this.getPackageManager().getPackageInfo(getPackageName(), 0);
@@ -193,10 +225,14 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
         }
     }
 
-    /** Check for updates in andro.json */
+    /**
+     * Check for updates in andro.json
+     */
     private void checkLatestVersion() {
         final int versionCode = getCurrentVersion();
-        if (versionCode == 0) { return; }
+        if (versionCode == 0) {
+            return;
+        }
         RetrofitInterface retrofitInterface = Utils.getRetrofitInterface();
         retrofitInterface.getLatestVersion().enqueue(new EmptyCallback<JsonObject>() {
             @Override
@@ -258,7 +294,9 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
         mNotificationManager.createNotificationChannel(mChannel);
     }
 
-    /** Handle opening event/body/blog from FCM notification */
+    /**
+     * Handle opening event/body/blog from FCM notification
+     */
     private void handleFCMIntent(Bundle bundle) {
         /* Mark the notification read */
         final String notificationId = bundle.getString(FCM_BUNDLE_NOTIFICATION_ID);
@@ -274,7 +312,9 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
         );
     }
 
-    /** Handle intents for links */
+    /**
+     * Handle intents for links
+     */
     private void handleIntent(Intent appLinkIntent) {
         String appLinkAction = appLinkIntent.getAction();
         String appLinkData = appLinkIntent.getDataString();
@@ -283,9 +323,13 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
         }
     }
 
-    /** Open the proper fragment from given type and id */
+    /**
+     * Open the proper fragment from given type and id
+     */
     private void chooseIntent(String type, String id) {
-        if (type == null || id == null) { return; }
+        if (type == null || id == null) {
+            return;
+        }
         switch (type) {
             case DATA_TYPE_BODY:
                 openBodyFragment(id);
@@ -304,7 +348,9 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
         Log.e("NOTIFICATIONS", "Server sent invalid notification?");
     }
 
-    /** Open the proper fragment from given type, id and extra */
+    /**
+     * Open the proper fragment from given type, id and extra
+     */
     private void chooseIntent(String type, String id, String extra) {
         if (extra == null) {
             chooseIntent(type, id);
@@ -324,18 +370,24 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
         }
     }
 
-    /** Open user fragment from given id */
+    /**
+     * Open user fragment from given id
+     */
     private void openUserFragment(String id) {
         UserFragment userFragment = UserFragment.newInstance(id);
         updateFragment(userFragment);
     }
 
-    /** Open the body fragment from given id */
+    /**
+     * Open the body fragment from given id
+     */
     private void openBodyFragment(String id) {
         Utils.openBodyFragment(new Body(id), this);
     }
 
-    /** Open the event fragment from the provided id */
+    /**
+     * Open the event fragment from the provided id
+     */
     private void openEventFragment(String id) {
         RetrofitInterface retrofitInterface = Utils.getRetrofitInterface();
         final FragmentActivity self = this;
@@ -546,7 +598,9 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
         return true;
     }
 
-    /** Open placement blog fragment */
+    /**
+     * Open placement blog fragment
+     */
     private void openPlacementBlog() {
         if (session.isLoggedIn()) {
             PlacementBlogFragment placementBlogFragment = new PlacementBlogFragment();
@@ -565,7 +619,9 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
         }
     }
 
-    /** Change the active fragment to the supplied one */
+    /**
+     * Change the active fragment to the supplied one
+     */
     public void updateFragment(Fragment fragment) {
         Log.d(TAG, "updateFragment: " + fragment.toString());
         Bundle bundle = fragment.getArguments();
@@ -577,7 +633,7 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
             bundle.putString(Constants.USER_HOSTEL, session.isLoggedIn() && currentUser.getHostel() != null ? currentUser.getHostel() : "1");
         if (fragment instanceof SettingsFragment && session.isLoggedIn())
             bundle.putString(Constants.USER_ID, currentUser.getUserID());
-        if (fragment instanceof ComplaintsFragment && session.isLoggedIn()){
+        if (fragment instanceof ComplaintsFragment && session.isLoggedIn()) {
             bundle.putString(Constants.USER_ID, currentUser.getUserID());
             bundle.putString(Constants.CURRENT_USER_PROFILE_PICTURE, currentUser.getUserProfilePictureUrl());
         }

app/src/main/res/values/styles.xml

@@ -8,8 +8,7 @@
         <item name="colorAccent">@color/colorAccent</item>
         <item name="themeColor">#FFFFFF</item>
         <item name="themeColorInverse">#000000</item>
-        <item name="newsColor">#F2F2F2</item>
-        <item name="urlColor">@color/colorPrimary</item>
+        <item name="android:windowAnimationStyle">@style/WindowAnimationTransition</item>
     </style>
 
     <style name="AppTheme.NoActionBar">
@@ -23,8 +22,7 @@
         <item name="colorAccent">@color/colorAccent</item>
         <item name="themeColor">#000000</item>
         <item name="themeColorInverse">#FFFFFF</item>
-        <item name="newsColor">#00000000</item>
-        <item name="urlColor">@color/colorAccent</item>
+        <item name="android:windowAnimationStyle">@style/WindowAnimationTransition</item>
     </style>
 
     <style name="AppThemeDark.NoActionBar">
@@ -33,7 +31,7 @@
     </style>
 
     <style name="BlueAccent">
-        <item name="colorAccent">?attr/urlColor</item>
+        <item name="colorAccent">@color/colorPrimary</item>
     </style>
 
     <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
@@ -72,4 +70,9 @@
         <item name="android:textColor">#999</item>
         <item name="android:textSize">12sp</item>
     </style>
+
+    <style name="WindowAnimationTransition">
+        <item name="android:windowEnterAnimation">@android:anim/fade_in</item>
+        <item name="android:windowExitAnimation">@android:anim/fade_out</item>
+    </style>
 </resources>