android source - How to configure the various PRODUCT_AAPT_ properties for AOSP? -


i'm looking explanation of following aosp build properties, valid values , how affect build , related properties. aware of system property ro.sf.lcd_density can't find official documentation anywhere these:

product_aapt_config product_aapt_pref_config product_aapt_prebuilt_dpi

this experience, , should not accepted answer i'm not have whole story.

product_aapt_pref_config: "preferred" resources qualifier. should 1 of entries in product_aapt_config.

product_aapt_config: ordered list of resources qualifier. acts fallback in case preferred resource qualifier not exist.

product_locales: list of locales included. whatever reason locales special case of resource qualifier.

in case, used this:

product_aapt_config := large xlarge mdpi tvdpi hdpi product_aapt_pref_config := hdpi product_locales := en_us en_gb en_ie de_de pl_pl pt_br es_us

our device tvdpi, since there no tvdpi specific resources, picked next size preferred (hdpi). included "large xlarge mdpi tvdpi hdpi" allow fallback in case there no hdpi resources.


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