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I am planning to create a Android Lock Screen of my own . But i don't know where to start? Should i just make an activity with UI layout that interacts touches, and when the user swipes I should call the androd.intent.HOME ?

And how can i override the default android Lock Screen application?

I really dont have a clue any help would be appreciated. I saw this post : Where can I find examples or tutorials about creating a custom android lockscreen? but its not very helpful

And my device is rooted and i dont mind making the app only for ROOTED users..

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Mihir Solanki
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    you can refer this - https://github.com/Joisar/LockScreenApp – nikvs Dec 20 '13 at 11:44
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    well as much as i hate using github on my windows :P , Cloning the repo .. Will try it .. thanks – Mihir Solanki Dec 20 '13 at 11:54
  • well i cannot build it .. getting this error "conversion to dalvik format failed unable to execute dex" .. and i cant rectify it with the help of this [link](http://stackoverflow.com/questions/16087341/multiple-dex-files-conversion-to-dalvik-format-failed-unable-to-execute-dex) As i dont have the jar files , so i wont be able to reimport them after deleting .. (As suggested in the answer of the question on the uppermentioned link) – Mihir Solanki Dec 20 '13 at 12:07
  • possible duplicate of [Android Lock Screen Widget](http://stackoverflow.com/questions/4116001/android-lock-screen-widget) – Avijit Dec 20 '13 at 12:18
  • @Andru this question is about creating a lockscreen. Not creating a widget on lock screen – Mihir Solanki Dec 20 '13 at 12:30
  • @MihirSolanki did you reach something about that? – Muhammed Refaat Sep 25 '14 at 09:06
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    @MuhammedRefaat Nope :( I dun seem to find anything – Mihir Solanki Sep 26 '14 at 01:17

2 Answers2

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I tried a few weeks ago exactly the same thing. I came to the conclusion that you cannot easily change the lockscreen.

IMO currently the easiest (It doesn't mean it's actually easy) method to do it, is to use the Xposed Framework.

Check out this Link

It will give you a brief overview how to hook and intercept methods.

You could search & hook the method which opens the LockScreen and launch your own...

Good Luck :)

Akbarsha
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superm4n
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  • Well i am aware about the framework but then for the most part, i will have to make app for specific devices like for Samsung touchwiz or AOSP like CyanogenMod.. I won't be able to create something that works with all android device.. Kindoff demotivats me to create a lockscreen. – Mihir Solanki Dec 26 '13 at 17:40
  • Yeah. I know what you mean. I also gave up on a custom lockscreen for the same reason :( – superm4n Dec 26 '13 at 22:13
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As far as I know, there is no lock screen tutorial. Still google not provided any api for custom lockscreen. You need to write your own home screen app which will implement the lockscreen behaviour that you require. There is sample code for writing your own home screen app in the Android SDK(Source code).

Satish J
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