Spinner下拉列表.doc

Spinner下拉列表 extends AbsSpinner implements DialogInterface.OnClickListener java.lang.Object ? android.view.View ? android.view.ViewGroup ? android.widget.AdapterViewandroid.widget.SpinnerAdapter ? android.widget.AbsSpinner ? android.widget.Spinner Known Direct Subclasses AppCompatSpinner Class Overview A view that displays one child at a time and lets the user pick among them. The items in the Spinner come from the Adapter associated with this view. See the Spinners guide. Summary XML Attributes Attribute Name Related Method Description android:dropDownHorizontalOffset setDropDownHorizontalOffset(int) Amount of pixels by which the drop down should be offset horizontally. android:dropDownSelector List selector to use for spinnerMode=dropdown display. android:dropDownVerticalOffset setDropDownVerticalOffset(int) Amount of pixels by which the drop down should be offset vertically. android:dropDownWidth setDropDownWidth(int) Width of the dropdown in spinnerMode=dropdown. android:gravity setGravity(int) Gravity setting for positioning the currently selected item. android:popupBackground setPopupBackgroundResource(int) Background drawable to use for the dropdown in spinnerMode=dropdown. android:prompt The prompt to display when the spinners dialog is shown. android:spinnerMode Display mode for spinner options. [Expand] Inherited XML Attributes From class android.widget.AbsSpinner From class android.view.ViewGroup From class android.view.View Constants int MODE_DIALOG Use a dialog window for selecting spinner options. int MODE_DROPDOWN Use a dropdown anchored to the Spinner for selecting spinner options. [Expand] Inherited Constants From class android.widget.AdapterView From class android.view.ViewGroup From class android.view.View [Expand] Inherited Fields From class android.view.View Public Constructors Spinner(Context context) Construct a new spinner with the given contexts theme. Spinner(Context context, int mode) Construct