How can I run Android camera application from adb shell?

Question

How can I run android camera program from adb shell?
I know that I should use am but I do not know what command should I exactly enter

I used this:

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Answer 1

You need to specify exact component name (name of activity).

am start -a android.intent.action.MAIN -n com.android.camera/.CameraEntry

It is working on my device (HTC Desire HD), but I can't guarantee that it'll work everywhere.