[G1 Android Development] anko184:
I think that the only thing i'm missing is apktool 1.4.1. Do you have any link?

Edit: I found apktool but i'm still getting some errors:

java version "1.6.0_26"
Java(TM) SE Runtime Environment (build 1.6.0_26-b03)
Java HotSpot(TM) Client VM (build 20.1-b02, mixed mode, sharing)
I: Framework installed to: C:\Users\Andreas\apktool\framework\2.apk
I: Baksmaling...
I: Loading resource table...
I: Loaded.
I: Loading resource table from file: C:\Users\Andreas\apktool\framework\1.apk
I: Loaded.
I: Decoding file-resources...
I: Loading resource table from file: C:\Users\Andreas\apktool\framework\2.apk
I: Loaded.
I: Decoding values*/* XMLs...
I: Done.
I: Copying assets and libs...
I: Checking whether sources has changed...
I: Smaling...
I: Checking whether resources has changed...
I: Building resources...
W/ResourceType( 5808): Unable to get buffer of resource asset file
C:\Users\Andreas\Downloads\apk_manager_4.9\other\..\projects\SystemUI.apk\res\values\styles.xml:3: error: Error retrieving parent for item: No resource found that matches the given name '@android:style/TextAppearance.StatusBar'.
C:\Users\Andreas\Downloads\apk_manager_4.9\other\..\projects\SystemUI.apk\res\values\styles.xml:4: error: Error: No resource found that matches the given name: attr 'android:textAppearance'.
C:\Users\Andreas\Downloads\apk_manager_4.9\other\..\projects\SystemUI.apk\res\values\styles.xml:7: error: Error: No resource found that matches the given name: attr 'android:textColor'.
C:\Users\Andreas\Downloads\apk_manager_4.9\other\..\projects\SystemUI.apk\res\values\styles.xml:5: error: Error: No resource found that matches the given name: attr 'android:textSize'.
C:\Users\Andreas\Downloads\apk_manager_4.9\other\..\projects\SystemUI.apk\res\values\styles.xml:6: error: Error: No resource found that matches the given name: attr 'android:textStyle'.
C:\Users\Andreas\Downloads\apk_manager_4.9\other\..\projects\SystemUI.apk\res\values\styles.xml:9: error: Error retrieving parent for item: No resource found that matches the given name '@android:style/TextAppearance.StatusBar'.
Exception in thread "main" brut.androlib.AndrolibException: brut.common.BrutException: could not exec command: [aapt, p, -F, C:\Users\Andreas\AppData\Local\Temp\APKTOOL5039864573221380197.tmp, -I, C:\Users\Andreas\apktool\framework\1.apk, -I, C:\Users\Andreas\apktool\framework\2.apk, -S, C:\Users\Andreas\Downloads\apk_manager_4.9\other\..\projects\SystemUI.apk\res, -M, C:\Users\Andreas\Downloads\apk_manager_4.9\other\..\projects\SystemUI.apk\AndroidManifest.xml]
at brut.androlib.res.AndrolibResources.aaptPackage(AndrolibResources.java:193)
at brut.androlib.Androlib.buildResourcesFull(Androlib.java:301)
at brut.androlib.Androlib.buildResources(Androlib.java:248)
at brut.androlib.Androlib.build(Androlib.java:171)
at brut.androlib.Androlib.build(Androlib.java:154)
at brut.apktool.Main.cmdBuild(Main.java:174)
at brut.apktool.Main.main(Main.java:59)
Caused by: brut.common.BrutException: could not exec command: [aapt, p, -F, C:\Users\Andreas\AppData\Local\Temp\APKTOOL5039864573221380197.tmp, -I, C:\Users\Andreas\apktool\framework\1.apk, -I, C:\Users\Andreas\apktool\framework\2.apk, -S, C:\Users\Andreas\Downloads\apk_manager_4.9\other\..\projects\SystemUI.apk\res, -M, C:\Users\Andreas\Downloads\apk_manager_4.9\other\..\projects\SystemUI.apk\AndroidManifest.xml]
at brut.util.OS.exec(OS.java:83)
at brut.androlib.res.AndrolibResources.aaptPackage(AndrolibResources.java:191)
... 6 more