No resource identifier found for attribute 'networkSecurityConfig' in package 'android'

[xaywe]

Information

1. Apktool Version (apktool -version) - 2.2.1
2. Operating System (Mac, Linux, Windows) -Mac
3. APK From? (Playstore, ROM, Other) - Other

Stacktrace/Logcat

I: Using Apktool 2.2.1
I: Smaling smali folder into classes.dex...
I: Building resources...
W: /tmp/apktool/result/AndroidManifest.xml:15: error: No resource identifier found for attribute 'networkSecurityConfig' in package 'android'
W:
Exception in thread "main" brut.androlib.AndrolibException: brut.androlib.AndrolibException: brut.common.BrutException: could not exec (exit code = 1): [/var/folders/lp/cwd098392572b2w4gf0474lc0000gn/T/brut_util_Jar_7861807700606846493.tmp, p, --forced-package-id, 127, --min-sdk-version, 16, --target-sdk-version, 24, --version-code, 16112112, --version-name, F, -F, /var/folders/lp/cwd098392572b2w4gf0474lc0000gn/T/APKTOOL2967809708839644739.tmp, -0, arsc, -0, properties, -0, arsc, -I, /Users/blabla/Library/apktool/framework/1.apk, -S, /tmp/apktool/result/res, -M, /tmp/apktool/result/AndroidManifest.xml]
at brut.androlib.Androlib.buildResourcesFull(Androlib.java:478)
at brut.androlib.Androlib.buildResources(Androlib.java:412)
at brut.androlib.Androlib.build(Androlib.java:311)
at brut.androlib.Androlib.build(Androlib.java:264)
at brut.apktool.Main.cmdBuild(Main.java:227)
at brut.apktool.Main.main(Main.java:84)
Caused by: brut.androlib.AndrolibException: brut.common.BrutException: could not exec (exit code = 1): [/var/folders/lp/cwd098392572b2w4gf0474lc0000gn/T/brut_util_Jar_7861807700606846493.tmp, p, --forced-package-id, 127, --min-sdk-version, 16, --target-sdk-version, 24, --version-code, 16112112, --version-name, Furby, -F, /var/folders/lp/cwd098392572b2w4gf0474lc0000gn/T/APKTOOL2967809708839644739.tmp, -0, arsc, -0, properties, -0, arsc, -I, /Users/blabla/Library/apktool/framework/1.apk, -S, /tmp/apktool/result/res, -M, /tmp/apktool/result/AndroidManifest.xml]
at brut.androlib.res.AndrolibResources.aaptPackage(AndrolibResources.java:439)
at brut.androlib.Androlib.buildResourcesFull(Androlib.java:464)
... 5 more
Caused by: brut.common.BrutException: could not exec (exit code = 1): [/var/folders/lp/cwd098392572b2w4gf0474lc0000gn/T/brut_util_Jar_7861807700606846493.tmp, p, --forced-package-id, 127, --min-sdk-version, 16, --target-sdk-version, 24, --version-code, 16112112, --version-name, F, -F, /var/folders/lp/cwd098392572b2w4gf0474lc0000gn/T/APKTOOL2967809708839644739.tmp, -0, arsc, -0, properties, -0, arsc, -I, /Users/blabla/Library/apktool/framework/1.apk, -S, /tmp/apktool/result/res, -M, /tmp/apktool/result/AndroidManifest.xml]
at brut.util.OS.exec(OS.java:95)
at brut.androlib.res.AndrolibResources.aaptPackage(AndrolibResources.java:433)
... 6 more

Steps to Reproduce

1. APK with a custom Security Network ->https://developer.android.com/training/articles/security-config.html
2. Decompile apk 'apktool.sh d app.apk -f -o result/'
3. Mount apk decompiled 'apktool.sh b result/ -f -o app.rebuild.apk'
4. Exception reported

[levyitay]

I have the same issue, couldn't find a workaround

[iBotPeaches]

https://developer.android.com/training/articles/security-config.html

As you can see networkSecurityConfig is an Android N attribute, so this is probably a framework problem. If you have at least apktool 2.2.1, run apktool empty-framework-dir --force and try again.

[xaywe]

Thank you! It worked! :)

[iBotPeaches]

Glad you solved it. Closing this.