May 2017
Beginner to intermediate
470 pages
10h 49m
English
Content preview from Android System Programming
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Android device partitions
To enable recovery on a device, we need to look at the device partitions again. In Android SDK, we have the following image files that can be used by the emulator:
$ ls system-images/android-25/default/x86build.prop kernel-ranchu ramdisk.img system.imgkernel-qemu NOTICE.txt source.properties userdata.img
After we boot up the emulator, we can see that the following partitions are mounted:
root@x86emu:/ # mountrootfs / rootfs ro,seclabel,relatime 0 0tmpfs /dev tmpfs rw,seclabel,nosuid,relatime,mode=755 0 0devpts /dev/pts devpts rw,seclabel,relatime,mode=600 0 0proc /proc proc rw,relatime 0 0sysfs /sys sysfs rw,seclabel,relatime 0 0selinuxfs /sys/fs/selinux selinuxfs rw,relatime 0 0debugfs /sys/kernel/debug debugfs ...
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