[Galaxy Ace S5830 General] viv_jen:
i want to change the icons of a app

so i replace these http://imageshack.us/a/img27/3693/63429370.png

with

http://imageshack.us/a/img12/8582/20213755.png

all are png's

but while recompiling im getting this error

E:\android\apktool>apktool d Goggles.apk g

I: Baksmaling...

I: Loading resource table...

I: Loaded.

I: Loading resource table from file: C:\Users\Henriques\apktool\framework\1.apk

I: Loaded.

I: Decoding file-resources...

I: Decoding values*/* XMLs...

I: Done.

I: Copying assets and libs...

E:\android\apktool>apktool b g g.apk

I: Checking whether sources has changed...

I: Smaling...

I: Checking whether resources has changed...

I: Building resources...

libpng error: Not a PNG file

ERROR: Failure processing PNG image E:\android\apktool\g\res\drawable\ic_home_un

selected.png

E:\android\apktool\g\res\values\public.xml:3: error: Public symbol drawable/andr

oid declared here is not defined.

E:\android\apktool\g\res\values\public.xml:4: error: Public symbol drawable/ic_c

amera declared here is not defined.

E:\android\apktool\g\res\values\public.xml:5: error: Public symbol drawable/ic_h

ome_selected declared here is not defined.

E:\android\apktool\g\res\values\public.xml:6: error: Public symbol drawable/ic_h

ome_tab declared here is not defined.

E:\android\apktool\g\res\values\public.xml:7: error: Public symbol drawable/ic_h

ome_unselected declared here is not defined.

E:\android\apktool\g\res\values\public.xml:8: error: Public symbol drawable/ic_l

auncher declared here is not defined.

E:\android\apktool\g\res\values\public.xml:9: error: Public symbol drawable/ic_p

hoto_gallery declared here is not defined.

E:\android\apktool\g\res\values\public.xml:10: error: Public symbol drawable/ic_

settings_selected declared here is not defined.

E:\android\apktool\g\res\values\public.xml:11: error: Public symbol drawable/ic_

settings_tab declared here is not defined.

E:\android\apktool\g\res\values\public.xml:12: error: Public symbol drawable/ic_

settings_unselected declared here is not defined.

E:\android\apktool\g\res\values\public.xml:13: error: Public symbol drawable/ic_

splash declared here is not defined.

E:\android\apktool\g\res\values\public.xml:14: error: Public symbol drawable/mar

ker4 declared here is not defined.

Exception in thread "main" brut.androlib.AndrolibException: brut.common.BrutExce

ption: could not exec command: [aapt, p, -F, C:\Users\HENRIQ~1\AppData\Local\Tem

p\APKTOOL6679990236684685242.tmp, -I, C:\Users\Henriques\apktool\framework\1.apk

, -S, E:\android\apktool\g\res, -M, E:\android\apktool\g\AndroidManifest.xml]

at brut.androlib.res.AndrolibResources.aaptPackage(AndrolibResources.jav

a: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:182)

at brut.apktool.Main.main(Main.java:67)

Caused by: brut.common.BrutException: could not exec command: [aapt, p, -F, C:\U

sers\HENRIQ~1\AppData\Local\Temp\APKTOOL6679990236684685242.tmp, -I, C:\Users\He

nriques\apktool\framework\1.apk, -S, E:\android\apktool\g\res, -M, E:\android\ap

ktool\g\AndroidManifest.xml]

at brut.util.OS.exec(OS.java:83)

at brut.androlib.res.AndrolibResources.aaptPackage(AndrolibResources.jav

a:191)

... 6 more

so what m i doing wrong?