I want to implement in my android application a functionality like when a user clicks a button in header a small list view is popup having 5 values in the corner of the screen. Please give some suggestion, its urgent. Thanks in advance.
You mean a quick action menu ? Like this ?
If so, check this : http://www.londatiga.net/it/how-to-create-quickaction-dialog-in-android/
It depends somewhat on the minimum SDK that you are targeting. If you are able to write your application with a minimum target of Android 3.0 (API Level 11), then there are at least two classes that you can use to accomplish creating a simple popup anchored to another view (in this case, your button):
Otherwise, you will need to do a little customization of PopupWindow, which is the class that many early QuickAction implementations are based on.
HTH
Design a listview inside it RelativeLayout view in that same layout and make it as invisible. once you click a button at the header you can make it visible. which shows the listview.
You can create a new Activity for popup and add android:theme="@android:style/Theme.Translucent.NoTitleBar" to Activity node in Manifest file.
来源：https://stackoverflow.com/questions/7981773/android-popup-listview