How to take screenshot in android emulator -

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from android 4.0, supports volumn down+power key take screenshot , saved in gallery. how in android emulator.

i know in eclipse, there 'take screenshot' button, not want. need in emulator , saved in emulator.

as seen in post: screenshot of nexus 1 adb?, can take screenshot using adb:

 adb shell /system/bin/screencap -p /sdcard/screenshot.png  adb pull /sdcard/screenshot.png screenshot.png

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