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How to pre-install an Android application?

Because I have a specific device, and I wanted to make my application pre-installed.

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  • Could you please elaborate the "pre-installed" term?. Are you shipping your own Android powered hardware and want a certain application to be installed by default? Do you want your application to be pre-installed on devices from a specific vendor? Commented Jun 6, 2011 at 8:40
  • good day sir. to give you an example all devices has their own default application like for example browser, calendar, camera, etc. Now since I'm dealing with my own device I wanted my application to be pre-installed like my given example. Why do I need to do that? Cause I wanted my application not to be erase even if the device will be formated. Thanks Commented Jun 7, 2011 at 0:29
  • Ok, thank you for clarifying. Then I would also try as Quipeace suggested. Commented Jun 7, 2011 at 6:00
  • related: stackoverflow.com/questions/44893953/… Commented Jan 31, 2019 at 9:45

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I'm assuming you're talking about a rom here.

If you want the user to be able to delete the application you should put the .apk file in "/data/app" If you want to have the app behave like a system app (like e-mail or calendar) you can put the .apk in "/system/app"

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9 Comments

Maybe this is the answer I was looking for! I'm gonna try this thank you very much sir!
I already tried to push my .apk inside the "/system/app" but its failed to push item. here is the message "Failed to push sample.apk on 1000e9f764e6: Read-only file system".
Did you issue the adb root and adb remount commands before trying to push your apk?
Okay I will do this. Maybe I don't have the superuser/root permission to execute mount remount to make the system folder rewritable.
it works but I needed to do some research to apply your solution. Thanks
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First we need all the pre-requisites needed.

  1. We need to root our device to have super user capability, In my case I root my nexus one

    • Im not responsible if your device brick so be careful. (http://forum.xda-developers.com/showthread.php?t=611829)

  2. install superuser (http://www.appbrain.com/app/superuser/com.noshufou.android.su)

  3. Install BusyBox (to do shell command "cp") -- available in android market (http://www.appbrain.com/app/busybox/stericson.busybox)

  4. Execute the following commands in the terminal emulator to remount the /system directory as read/write and to install the application into the /system/app directory (http://www.nexusforum.net/nexus-one-application-day/524-nexus-one-app-day-2-8-10-powermanager.html):

    • adb shell
    • su
    • mount -o remount,rw -t yaffs2 /dev/block/mtdblock3 /system
    • cp /sdcard/sample.apk /system/app

Thanks for all those who helped me.

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Thanks! and how back to default?

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