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How to get application id of an installed application? I want to find app id of Notes 2.0, so maybe later I will have a change to find extensions to that product.

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What do you mean by "application id"? Do you mean the qualified name, like com.rovio.angrybirds? Note that if you're looking for a programmatic solution, that's off-topic here. –  Matthew Read Apr 10 '12 at 20:04
@Matthew Read I'm looking for not-programming solution. yes, I mean the qualified name. –  IAdapter Apr 10 '12 at 20:11

2 Answers 2

The best way seems to be to use APK extractor. You don't actually have to extract any APK, this app will display the qualified name for each installed app. This should cover all apps.

If for some reason it can't find your app, look around on the SD card. If you're lucky, the app stores its data or settings in an folder that has the app's qualified name somewhere in its path, like /mnt/sdcard/Android/data/net.sylark.apkextractor.

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its not :( it was installed by default –  IAdapter Apr 10 '12 at 20:28
Have you tried the other option that I added to my answer after you have commented (looking for its data folder)? –  Erik Apr 10 '12 at 20:29
@Erik - The link to APK extractor is dead –  Durai Amuthan.H May 4 at 16:17

You can look into the LogCat. Open the LogCat (either in Eclipse, or on cmd line- if the device is connected to your PC - or on your mobile itself, using any app which allows to view LogCat). Once LogCat is available, launch the app - the log corresponding to "ActivityManager" will display the activity started. It will usually be in the format: "Starting activity: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER]...". However technical this approach might be, this is - IMHO - the best way to achieve knowledge about the launching activity for any of the installed apps.

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