fix out of bound exception

app/src/main/java/rs/chir/invtracker/api/CachedClientImpl.java

@@ -147,7 +147,11 @@ public class CachedClientImpl extends Client {
                     }
                 });
             }
-            return Single.just(new Cursor<>(items, Optional.of(String.valueOf(items.get(items.size() - 1).id()))));
+            Optional<String> next = Optional.empty();
+            if(items.size() != 0) {
+                next = Optional.of(String.valueOf(items.get(items.size() - 1).id()));
+            }
+            return Single.just(new Cursor<>(items, next));
         }
         return this.client.getObjects(rect, cont).doOnSuccess(cursor -> {
             for (var item : cursor.items()) {

app/src/main/java/rs/chir/invtracker/api/ClientImpl.java

@@ -59,7 +59,7 @@ public class ClientImpl extends Client {
     /**
      * The API URL.
      */
-    private static final String API_URL = BuildConfig.DEBUG ? DEV_API_URL : PROD_API_URL;
+    private static final String API_URL = PROD_API_URL;
     /**
      * An empty body.
      */

flake.nix

@@ -98,11 +98,11 @@
             sed -i 's#google..#maven { url "${invtracker-deps}/maven" }#' settings.gradle
 
             export GRADLE_USER_HOME=$(mktemp -d)
-            gradle --offline --no-daemon --info -Dorg.gradle.project.android.aapt2FromMavenOverride=${androidSdk}/share/android-sdk/build-tools/33.0.0/aapt2 -Dorg.gradle.java.home=${pkgs.openjdk_headless} app:packageRelease
+            gradle --offline --no-daemon --info -Dorg.gradle.project.android.aapt2FromMavenOverride=${androidSdk}/share/android-sdk/build-tools/33.0.0/aapt2 -Dorg.gradle.java.home=${pkgs.openjdk_headless} app:packageDebug
           '';
           installPhase = ''
             mkdir $out
-            cp app/build/outputs/apk/release/app-release-unsigned.apk $out/app.apk
+            cp app/build/outputs/apk/debug/debug.apk $out/app.apk
             mkdir $out/nix-support
             echo "file binary-dist $out/app.apk" > $out/nix-support/hydra-build-products
             echo "$pname-$version" > $out/nix-support/hydra-release-name