Prevent crash

app/src/main/java/androidx/paging/PagedList.java

@@ -525,6 +525,7 @@ public abstract class PagedList<T> extends AbstractList<T> {
 
     @SuppressWarnings("WeakerAccess") /* synthetic access */
     void dispatchBoundaryCallbacks(boolean begin, boolean end) {
+        try {
             // safe to deref mBoundaryCallback here, since we only defer if mBoundaryCallback present
             if (begin) {
                 //noinspection ConstantConditions
@@ -534,6 +535,17 @@ public abstract class PagedList<T> extends AbstractList<T> {
                 //noinspection ConstantConditions
                 mBoundaryCallback.onItemAtEndLoaded(mStorage.getLastLoadedItem());
             }
+        } catch (Throwable ex) {
+            eu.faircode.email.Log.w(ex);
+            /*
+                java.lang.ArrayIndexOutOfBoundsException: length=0; index=-1
+                        at java.util.ArrayList.get(ArrayList.java:439)
+                        at androidx.paging.PagedStorage.getLastLoadedItem(SourceFile:361)
+                        at androidx.paging.PagedList.dispatchBoundaryCallbacks(SourceFile:535)
+                        at androidx.paging.PagedList.tryDispatchBoundaryCallbacks(SourceFile:522)
+                        at androidx.paging.PagedList$1.run(SourceFile:487)
+             */
+        }
     }
 
     /** @hide */

patches/PagedList.patch

@@ -0,0 +1,39 @@
+diff --git a/app/src/main/java/androidx/paging/PagedList.java b/app/src/main/java/androidx/paging/PagedList.java
+index 1d4a184ef..19b8d5cca 100644
+--- a/app/src/main/java/androidx/paging/PagedList.java
++++ b/app/src/main/java/androidx/paging/PagedList.java
+@@ -525,14 +525,26 @@ public abstract class PagedList<T> extends AbstractList<T> {
+ 
+     @SuppressWarnings("WeakerAccess") /* synthetic access */
+     void dispatchBoundaryCallbacks(boolean begin, boolean end) {
+-        // safe to deref mBoundaryCallback here, since we only defer if mBoundaryCallback present
+-        if (begin) {
+-            //noinspection ConstantConditions
+-            mBoundaryCallback.onItemAtFrontLoaded(mStorage.getFirstLoadedItem());
+-        }
+-        if (end) {
+-            //noinspection ConstantConditions
+-            mBoundaryCallback.onItemAtEndLoaded(mStorage.getLastLoadedItem());
++        try {
++            // safe to deref mBoundaryCallback here, since we only defer if mBoundaryCallback present
++            if (begin) {
++                //noinspection ConstantConditions
++                mBoundaryCallback.onItemAtFrontLoaded(mStorage.getFirstLoadedItem());
++            }
++            if (end) {
++                //noinspection ConstantConditions
++                mBoundaryCallback.onItemAtEndLoaded(mStorage.getLastLoadedItem());
++            }
++        } catch (Throwable ex) {
++            eu.faircode.email.Log.w(ex);
++            /*
++                java.lang.ArrayIndexOutOfBoundsException: length=0; index=-1
++                        at java.util.ArrayList.get(ArrayList.java:439)
++                        at androidx.paging.PagedStorage.getLastLoadedItem(SourceFile:361)
++                        at androidx.paging.PagedList.dispatchBoundaryCallbacks(SourceFile:535)
++                        at androidx.paging.PagedList.tryDispatchBoundaryCallbacks(SourceFile:522)
++                        at androidx.paging.PagedList$1.run(SourceFile:487)
++             */
+         }
+     }
+