android app runs out of screen on real device

I am new to android application devel开发者_开发问答opment. i have made an applications which runs fit on simulator screen but when i run it on real device it creates problem, app does not fit on android it goes out of the screen?

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Really need more information(code example of layout)....

Maybe the emulator screen resolution is bigger than the device....

Make sure you are using DIP (device independent pixel) measurements.....