Fixed DateSortedList

app/src/main/java/de/sebse/fuplanner/services/KVV/types/EventList.java

@@ -8,4 +8,9 @@ public class EventList extends DateSortedList<Event> {
     public long getDateByItem(Event item) {
         return item.getEndDate();
     }
+
+    @Override
+    public boolean reversed() {
+        return false;
+    }
 }

app/src/main/java/de/sebse/fuplanner/tools/DateSortedList.java

@@ -11,30 +11,29 @@ public abstract class DateSortedList<T> extends ArrayList<T> {
     public T getPast(int index) {
         if (split < 0)
             sort();
-        if (index >= split)
+        if (index >= this.sizePast())
             throw new ArrayIndexOutOfBoundsException(String.format("Index %d out of bounds! Only %d past events found!", index, split));
         if (reversed())
-            index = sizePast() - index - 1;
+            index += sizeUpcoming();
         return this.get(index);
     }
 
     public T getUpcoming(int index) {
         if (split < 0)
             sort();
-        index += split;
-        if (index >= this.size())
+        if (index >= this.sizeUpcoming())
             throw new ArrayIndexOutOfBoundsException(String.format("Index %d out of bounds! Only %d upcoming events found!", index-split, this.size()-split));
-        if (reversed())
-            index = sizeUpcoming() - index - 1;
+        if (!reversed())
+            index += this.sizePast();
         return this.get(index);
     }
 
     @Override
     public T get(int index) {
-        //if (split < 0)
-        //    sort();
+        if (split < 0)
+            sort();
         if (reversed())
-            index = size() - index - 1;
+            index = size() - 1 - index;
         return super.get(index);
     }
 

build.gradle

@@ -4,6 +4,9 @@ buildscript {
     repositories {
         google()
         jcenter()
+        maven {
+            url "https://jitpack.io"
+        }
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:3.2.1'
@@ -18,6 +21,9 @@ allprojects {
     repositories {
         google()
         jcenter()
+        maven {
+            url "https://jitpack.io"
+        }
     }
 
     gradle.projectsEvaluated {