[BUG] Recompilation error: "invalid value for type 'layout'. Expected a reference"

[antoshkin]

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Information

1. Apktool Version (apktool -version) - 2.5.1
2. Operating System (Mac, Linux, Windows) - Ubuntu 20
3. APK From? (Playstore, ROM, Other) - apkpure.com

Stacktrace/Logcat

bro@local:\~/ig-apk$ **apktool d ig-196-apkpure.apk**
...
...
...
bro@local:~/ig-apk$ **apktool b --use-aapt2 -o out.apk ig-196-apkpure**
I: Using Apktool 2.5.1-eaab72-SNAPSHOT
I: Checking whether sources has changed...
I: Checking whether sources has changed...
I: Checking whether sources has changed...
I: Checking whether sources has changed...
I: Checking whether sources has changed...
I: Checking whether sources has changed...
I: Checking whether resources has changed...
I: Building resources...
W: /home/bro/ig-apk/ig-196-apkpure/res/values-v22/layouts.xml:12: error: invalid value for type 'layout'. Expected a reference.
W: /home/bro/ig-apk/ig-196-apkpure/res/values-v22/layouts.xml:13: error: invalid value for type 'layout'. Expected a reference.
W: /home/bro/ig-apk/ig-196-apkpure/res/values-v22/layouts.xml:14: error: invalid value for type 'layout'. Expected a reference.
W: /home/bro/ig-apk/ig-196-apkpure/res/values-v22/layouts.xml:15: error: invalid value for type 'layout'. Expected a reference.
W: /home/bro/ig-apk/ig-196-apkpure/res/values-v22/layouts.xml:16: error: invalid value for type 'layout'. Expected a reference.
W: /home/bro/ig-apk/ig-196-apkpure/res/values-v22/layouts.xml:17: error: invalid value for type 'layout'. Expected a reference.
W: /home/bro/ig-apk/ig-196-apkpure/res/values-v22/layouts.xml:18: error: invalid value for type 'layout'. Expected a reference.
W: /home/bro/ig-apk/ig-196-apkpure/res/values-v22/layouts.xml:19: error: invalid value for type 'layout'. Expected a reference.
W: /home/bro/ig-apk/ig-196-apkpure/res/values-v22/layouts.xml:20: error: invalid value for type 'layout'. Expected a reference.
W: /home/bro/ig-apk/ig-196-apkpure/res/values-v22/layouts.xml:21: error: invalid value for type 'layout'. Expected a reference.
W: /home/bro/ig-apk/ig-196-apkpure/res/values-v22/layouts.xml:22: error: invalid value for type 'layout'. Expected a reference.
W: /home/bro/ig-apk/ig-196-apkpure/res/values-v22/layouts.xml:23: error: invalid value for type 'layout'. Expected a reference.
W: /home/bro/ig-apk/ig-196-apkpure/res/values-v22/layouts.xml:24: error: invalid value for type 'layout'. Expected a reference.
W: /home/bro/ig-apk/ig-196-apkpure/res/values-v22/layouts.xml:25: error: invalid value for type 'layout'. Expected a reference.
W: /home/bro/ig-apk/ig-196-apkpure/res/values-v22/layouts.xml:26: error: invalid value for type 'layout'. Expected a reference.
W: /home/bro/ig-apk/ig-196-apkpure/res/values-v22/layouts.xml:27: error: invalid value for type 'layout'. Expected a reference.
W: /home/bro/ig-apk/ig-196-apkpure/res/values-v22/layouts.xml:28: error: invalid value for type 'layout'. Expected a reference.
W: /home/bro/ig-apk/ig-196-apkpure/res/values-v22/layouts.xml:29: error: invalid value for type 'layout'. Expected a reference.
W: /home/bro/ig-apk/ig-196-apkpure/res/values-v22/layouts.xml:30: error: invalid value for type 'layout'. Expected a reference.
W: /home/bro/ig-apk/ig-196-apkpure/res/values-v22/layouts.xml:31: error: invalid value for type 'layout'. Expected a reference.
brut.androlib.AndrolibException: brut.common.BrutException: could not exec (exit code = 1): [/tmp/brut_util_Jar_77580703989672702302554212405921978723.tmp, compile, --dir, /home/bro/ig-apk/ig-196-apkpure/res, --legacy, -o, /home/bro/ig-apk/ig-196-apkpure/build/resources.zip]

Sample of layouts.xml: ... <item type="layout" name="guide_grid_row">L|46188|5C4|BCF2</item> <item type="layout" name="guide_ufi_bar">L|4674C|F90|E5CC</item> <item type="layout" name="gumstick">L|476DC|A50|AC5A</item> ...

Steps to Reproduce

1. apktool d ig-196-apkpure.apk
2. apktool b --use-aapt2 -o out.apk ig-196-apkpure

Frameworks

If this APK is from an OEM ROM (Samsung, HTC, LG). Please attach framework files (.apks that live in /system/framework or /system/priv-app)

APK

armeabi-v7a / Android 5.0+

Questions to ask before submission

1. Have you tried apktool d, apktool b without changing anything? yes
2. Are you using the latest apktool version? yes

[iBotPeaches]

I replicate. Logging some info to help for debugging this later.

➜  2618 aapt d resources Instagram_v196.0.0.32.126_apkpure.com.apk --values | grep 'guide_grid_row'
      spec resource 0x7f0c04bc com.instagram.android:layout/guide_grid_row: flags=0x00000400
        resource 0x7f0c04bc com.instagram.android:layout/guide_grid_row: t=0x03 d=0x00002781 (s=0x0008 r=0x00)
        resource 0x7f0c04bc com.instagram.android:layout/guide_grid_row: t=0x03 d=0x00002174 (s=0x0008 r=0x00)

➜  Instagram_v196.0.0.32.126_apkpure.com grep -r -i 'guide_grid_row' *
Binary file build/resources.zip matches
res/values-v22/layouts.xml:    <item type="layout" name="guide_grid_row">L|46188|5C4|BCF2</item>
res/values/layouts.xml:    <item type="layout" name="guide_grid_row">L|2AE8F8|590|E594</item>
res/values/public.xml:    <public type="layout" name="guide_grid_row" id="0x7f0c04bc" />

[TheLukaDragar]

Can confirm having the same issue on M1 Mac and Windows. Recompiling the Instagram app.

[tranb3r]

Any update on this issue? Is there any workaround?

[HD421]

Hey there, just had the same error and steps how I fixed it in my case:

1. Run 'apktool empty-framework-dir' command before re-building an app
2. Run apktool b -o out.apk ig-196-apkpure (it seems that issue was with --use-aapt2 flag in my case)

[Splinterjke]

it seems that issue was with --use-aapt2 flag

I do confirm, it fixed the latest whatsapp beta compilation errors.

[qyzhaojinxi]

not work for me

[Canny1913]

from what ive found the file is decompiled correctly and those values are used to retrieve the layout resource from instagram's proprietary resource format (assets/layouts.bin.xz)

source: method(jadx) X.C1Mj.getLayout(int) and X.C24601Mp.A00() from instagram apk version 315.0.0.0.6 alpha (371500513)

the resource format seems to contain axml blocks too source: constructor(jadx) X.C1NA.C1NA(Resources, File)