We had one issue where people tend to create adapter classes inside fragments as properties and then forget to clear them out in onDestroyView. This actually creates a memory leak due to the adapter very often holding references to objects that were already destroyed. To prevent this from happening, we decided to create a custom lint rule that detects if you have an adapter field in your fragment class and warns you that it should be part of onCreateView instead.

Continue reading “Adding a custom lint rule to your Android project” →