May 2017
Beginner to intermediate
470 pages
10h 49m
English
Content preview from Android System Programming
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Factory data reset
One of the major functions of recovery is to support factory data reset. The factory data reset can usually be selected by users from Settings on the device, as shown in the following screenshot:
Factory data reset
The entire process can be divided into the following steps:
- The user selects Factory data reset from Settings.
- Main system writes --wipe_data to /cache/recovery/command.
- Main system reboots the device into recovery. We have done the analysis about this when we talked about BCB in the previous section.
- Recovery retrieves arguments from BCB or /cache/recovery/command in get_args(). After read arguments, recovery ...
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