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Memory allocations within drawing code

Memory allocations within drawing code

You should avoid allocating objects during a drawing or layout operation. These are called frequently, so a smooth UI can be interrupted by garbage collection pauses caused by the object allocations.

The way this is generally handled is to allocate the needed objects up front and to reuse them for each drawing operation.

Some methods allocate memory on your behalf (such as Bitmap.create), and these should be handled in the same way.

Issue id: DrawAllocation

Inspection Details

Available in:

IntelliJ IDEA 2023.3, Qodana for Android 2023.3, Qodana for JVM 2023.3


Android, 2022.3.1 Beta 2

Last modified: 13 July 2023