General :: Change / Remove Lock Code With Internal Class Or ADB Shell

Mar 14, 2012

Problem: I have one app that let's you lock the device using Device Administration. One of my users had some conflicts with my app and another. He then removed Device Administration and uninstalled my app, rebooted his phone, and now he cannot access his phone.

He of course cannot use my app to change the password now (since it's uninstalled).

His phone is stock 2.2 LG Optimus V, Virgin Mobile, Rooted.

Question:I'm needing to find a way that my user can now change his lock code.

I need:

1.) to know an internal class (from com.android.internal) that I could use within an app to change the lock code (just like the system settings do).

2.) to know a command I can use with adb shell to remove or change the phone lock code.

3.) to know the location of the file that stores the lock code information.

General :: Change / remove lock code with internal class or ADB shell


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I have added a couple of soft keys through navigation_bar.xml in SystemUI.apk. The soft keys show great, but are also showing on the lockscreen, when the others "disappear".

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For instance, I want to toggle Airplane Mode on or off from the command line. Currently, the best I can do is launch the Wireless & network settings menu and then use input keyevents to click Airplane mode:

CODE:.................

There are quite a few drawbacks to this method, primarily that the screen has to be on and unlocked. Also, the tasks I want to do are much broader than this simple example. Other things I'd like to do if possible:

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