.png file failed to compile in C#.NET project (.NET MAUI). Error APT2098

Question

I am testing a .NET MAUI project for mistakes and it failed to compile some images although they live in a similar root directory

orca_composer_divider_horizontal.9.png: Error APT2261 : file failed to compile.

error Error APT2098 : drawable-hdpi-v4_orca_composer_divider_horizontal.9.png.flat: error: failed to open file. "drawable-hdpi-v4_orca_composer_divider_horizontal.9.png.flat: error: failed to open file.".

For example: the directory net7.0-android\lp\106\jl\res\drawable-hdpi-v4 images non of them work while in the directory net7.0-android\lp\333\jl\res\drawable-hdpi-v4 none of the images report any problem I don't understand why all the project images work except those in that directory.

I tried to see if images were real PNG in that directory by checking them on a hex editor and they have the correct first eight bytes of a PNG. I also tried to open and see their dimensions but they were similar to the images that worked in all other directories. I also checked their names to make sure they don't have any special symbols (non-ASCII characters) and found no problem here is an example in case I missed something

Image that didn't work name: orca_emoji_category_cars.png

one that worked in the other folder: notification_oversize_large_icon_bg.png

"it failed to compile some images" What does that actually mean? What error did you actually see? — phuzi
– phuzi, Commented Sep 9, 2024 at 15:04
sorry you are correct i edited the question and forgot to add that partError APT2098 : drawable-hdpi-v4_orca_composer_divider_horizontal.9.png.flat: error: failed to open file. "drawable-hdpi-v4_orca_composer_divider_horizontal.9.png.flat: error: failed to open file.". — Noobie_learning
– Noobie_learning, Commented Sep 9, 2024 at 15:06
The error appears to be saying that it cannot open a file called "drawable-hdpi-v4_orca_composer_divider_horizontal.9.png.flat" (Note the .flat file extension.) Have you confirmed that the file actually exists? — phuzi
– phuzi, Commented Sep 9, 2024 at 15:08
it doesn't exist this is the other error. the image error: orca_composer_divider_horizontal.9.png: Error APT2261: file failed to compile. I think they are linked as far as I know the flat file is just a build file and it doesn't exist when compilation fails — Noobie_learning
– Noobie_learning, Commented Sep 9, 2024 at 15:10
thank you. I think this problem was resolved. now i have this issue/error 0>colors.xml(2): Error APT2260 : resource color/white (aka com.DeepSound.Android:color/white) not found but I think it has nothing to do with the images — Noobie_learning
– Noobie_learning, Commented Sep 9, 2024 at 15:24

Noobie_learning · Accepted Answer · 2024-09-09 16:14:49Z

1

The problem was solved by shortening the path leading to the file. The path was longer than the MAUI standard of max 265 characters.

answered Sep 9, 2024 at 16:14

Noobie_learning

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2 Comments

Lex Li Over a year ago

You should accept your own answer to end the discussion.

Simon Mourier Jun 4 at 10:36

FWIW, for other people coming here related to the xml_microsoft_maui_essentials_fileprovider_file_paths.xml.flat file, paths lengths longer than 256 are actually causing lots of trouble in compilation (if only the message could be more explicit) ...

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