diff options
Diffstat (limited to 'main')
| -rw-r--r-- | main/src/cgeo/geocaching/apps/cache/navi/NavigationAppFactory.java | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/main/src/cgeo/geocaching/apps/cache/navi/NavigationAppFactory.java b/main/src/cgeo/geocaching/apps/cache/navi/NavigationAppFactory.java index f346fc0..d542541 100644 --- a/main/src/cgeo/geocaching/apps/cache/navi/NavigationAppFactory.java +++ b/main/src/cgeo/geocaching/apps/cache/navi/NavigationAppFactory.java @@ -80,6 +80,9 @@ public final class NavigationAppFactory extends AbstractAppFactory { this.app = app; this.id = id; this.preferenceKey = preferenceKey; + if (preferenceKey == 0 || preferenceKey == -1) { + throw new IllegalStateException("Every navigation app must have a boolean preference in the settings to be enabled/disabled."); + } } /** |