Trying to enlarge icons and change the default grid size (4x4 instead of 5x5) on Launcher3. Been digging in /packages/apps/Launcher3/res/values/dimens.xml, along with /frameworks/base/core/res/res/values/dimens.xml, can't seem to find the variable to change and want to make sure I'm not looking in entirely the wrong place, if anyone has any idea

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Settings > Display > Display size and text > Display size (+)

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    [deleted] OP is trying to change the default value by modifying the code

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    [deleted] Your solution indeed works but the OP is trying to "change the default grid size (4x4 instead of 5x5) on Launcher3" and not by user settings.

    [deleted] Might actually work for my purposes, but I need the display size set larger by default, not sure where to find that, doesn't seem to be in the usual frameworks/base/core/res/res/values/config.xml file

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      Sebastian3000 press and hold on empty portion of home screen > Wallpapers and style > scroll to the bottom, App Grid