Sample Android application (.apk)
APK (Android application package) file is the file format used to distribute and install application software and middleware onto the Android operating system. To make an APK file, a program for Android is first compiled, and then all of its parts are packaged into one file.
Here is the file type:
$ file sample.apk
sample.apk: Zip archive data, at least v2.0 to extract
Also this is the zip content:
$ unzip -l sample.apk
Archive: sample.apk
Length Date Time Name
-------- ---- ---- ----
1240 02-04-12 17:30 res/layout/main.xml
1504 02-04-12 17:30 AndroidManifest.xml
1600 02-04-12 17:30 resources.arsc
3966 02-04-12 17:30 res/drawable-hdpi/ic_launcher.png
1537 02-04-12 17:30 res/drawable-ldpi/ic_launcher.png
2200 02-04-12 17:30 res/drawable-mdpi/ic_launcher.png
1984 02-04-12 17:30 classes.dex
585 02-04-12 17:30 META-INF/MANIFEST.MF
638 02-04-12 17:30 META-INF/CERT.SF
776 02-04-12 17:30 META-INF/CERT.RSA
-------- -------
16030 10 files
Sample Android application: download here.
Tags: android programming applications mobile