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--- docu:csheet:dtproc:backups:android_apps_backup [2020/07/27 19:18]
admin created
+++ docu:csheet:dtproc:backups:android_apps_backup [2021/08/31 13:23] (current)
admin
@@ Line 2: / Line 2: @@
 \\
-Create the backup
+Create the backup (**whole**)
 <code bash>
 adb backup -apk -noshared -all -system -f ./my-backup.ab
@@ Line 8: / Line 8: @@
 \\
-Restore the backup
+Create a **Single-Package** backup
+<code bash>
+# list the package names
+adb shell pm list packages
+# Create a WhatsApp backup (for example), where PACKAGE-NAME is "com.whatsapp"
+adb backup -f yourbackupfile.ab -noapk com.whatsapp
+</code>
+\\
+**Extract** the files/directories of the backup for **query or modification**
+<code bash>
+# strip the first 24 bytes (header) and decompress the raw zlib data with "openssl"
+dd if=yourbackupfile.ab ibs=24 skip=1 | openssl zlib -d > yourbackupfile.tar
+# in case you don't have zlib support on your openssl, you can do this:
+dd if=yourbackupfile.ab bs=1 skip=24 | python3 -c 'import zlib,sys;sys.stdout.write(zlib.decompress(sys.stdin.read()))' > yourbackupfile.tar
+# extract the archive
+tar xvf yourbackupfile.tar
+</code>
+\\
+More informatión of **how to modify/repack** and restore an Android ADB Backup on:
+https://stackpointer.io/mobile/android-adb-backup-extract-restore-repack/372/
+\\
+Restore the backup (any)
 <code bash>
 adb restore ./my-backup.ab
 </code>

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