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#[Informational Post]
When we see any images are not loaded in lower end devices and from the logs it is showing OOM errors.
The sample error log is below:-
E/art(462): Throwing OutOfMemoryError "Failed to allocate a 24209292 byte allocation with 8388608 free bytes and 14MB until OOM"
09-15 04:38:20.036: D/skia(462): --- allocation failed for scaled bitmap
09-15 04:38:20.036: D/KonyMain(462): OOM************************************
09-15 04:38:20.036: D/KonyMain(462): Image is not retrievable
09-15 04:38:20.036: D/KonySkin(462): Image not found in resource/drawable-*
OutOfMemoryError(OOM) is the most common problem occurred in android while especially dealing with bitmaps. This error is thrown by the Java Virtual Machine (JVM) when an object cannot be allocated due to lack of memory space and also, the garbage collector cannot free some space.
For more understanding please go through the below posts.
https://stackoverflow.com/questions/32244851/androidjava-lang-outofmemoryerror-failed-to-allocate-a-23970828-byte-allocatio/35242067
https://stackoverflow.com/questions/31555408/android-throwing-outofmemoryerror-failed-to-allocate-a-164-byte-allocation-with
To overcome this you can resize your images with respect to devices.
To create alternative bitmap drawables for different densities, you should follow the 3:4:6:8:12:16 scaling ratio between the six primary densities.
For example, if you have a bitmap drawable that's 48x48 pixels for medium-density screens, all the different sizes should be:
>36x36 (0.75x) for low-density (ldpi)
>48x48 (1.0x baseline) for medium-density (mdpi)
>72x72 (1.5x) for high-density (hdpi)
>96x96 (2.0x) for extra-high-density (xhdpi)
>144x144 (3.0x) for extra-extra-high-density (xxhdpi)
>192x192 (4.0x) for extra-extra-extra-high-density (xxxhdpi)
For more understanding please go through the below link.
https://developer.android.com/training/multiscreen/screendensities#TaskProvideAltBmp
As you need to create the image with respect to the device density and then create the different folder as below.
drawable-xxxhdpi/
awesome-image.png
drawable-xxhdpi/
awesome-image.png
drawable-xhdpi/
awesome-image.png
drawable-hdpi/
awesome-image.png
drawable-mdpi/
awesome-image.png
Thanks