W/System: A resource failed to call release

Question

As the title says. When using the console of AndroidStudio on my app it shows:

W/System: A resource failed to call release.

Sometimes it is said multiple ti

Answer 1

The answer from @guest works, but you can achieve the exact same thing without resorting to reflection using Strict Mode. Specifically, something like:

StrictMode.setVmPolicy(new VmPolicy.Builder()
                 .detectLeakedClosableObjects()
                 .penaltyLog()
                 .build());

In general, strict mode can do much more for you though (see link above to doc), and all you need to do for a default setup is:

StrictMode.enableDefaults();  # <-- This includes warning on leaked closeables