Getting rid of a warning in Android Studio

Question

Android studio seems to think SparseArray values cannot be null.

When I write

public static void foo() { SparseArray<Object> sparseArray = new SparseArray<Object>(); sparseArray.put(0, null); if (sparseArray.valueAt(0) == null) Log.d("MyClass", "Hello World"); }

I get the warning

condition 'sparseArray.valueAt(0) == null' is always 'false'

I'd just like to know what annotation or comment I need to put to get rid of the warning. I don't want to disable inspections, just get rid of this particular warning. Thanks.

This indeed looks like a Lint issue as I checked SparseArray's sources and null should be pretty valid value. You should consider filling a bug report: code.google.com/p/android/issues/list — Marcin Orlowski
– Marcin Orlowski, Commented Aug 22, 2015 at 16:36

laalto · Accepted Answer · 2015-08-22 16:35:45Z

You can suppress inspections locally with //noinspection <inspectionname>.

For example:

//noinspection ConstantConditions if (sparseArray.valueAt(0) == null)

gets rid of this false warning.

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