com.xuexiang.xui.widget.spinner.materialspinner

Class MaterialSpinner

java.lang.Object

AppCompatTextView

com.xuexiang.xui.widget.spinner.materialspinner.MaterialSpinner

public class MaterialSpinner
extends AppCompatTextView

自定义下拉框，使用AppCompatTextView + PopupWindow组合实现

Since:

2018/12/7 下午4:24

Author:

xuexiang

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	MaterialSpinner.OnItemSelectedListener<T> Interface definition for a callback to be invoked when an item in this view has been selected.
static interface	MaterialSpinner.OnNoMoreChoiceListener 无更多选择的监听
static interface	MaterialSpinner.OnNothingSelectedListener Interface definition for a callback to be invoked when the dropdown is dismissed and no item was selected.

Constructor Summary

Constructors

Constructor and Description
MaterialSpinner(android.content.Context context)
MaterialSpinner(android.content.Context context, android.util.AttributeSet attrs)
MaterialSpinner(android.content.Context context, android.util.AttributeSet attrs, int defStyleAttr)

Method Summary

Modifier and Type	Method and Description
void	collapse() Closes the dropdown menu
void	expand() Show the dropdown menu
MaterialSpinnerBaseAdapter	getAdapter() 获取适配器
<T> java.util.List<T>	getItems() Get the list of items in the adapter
android.widget.ListView	getListView() Get the ListView that is used in the dropdown menu
android.widget.PopupWindow	getPopupWindow() Get the PopupWindow.
int	getSelectedIndex()
<T> T	getSelectedItem() Get the Selected Item in the adapter
<T> int	getSpinnerPosition(T item, java.util.List<T> items) 获取选中内容在Spinner中的位置
protected void	onMeasure(int widthMeasureSpec, int heightMeasureSpec)
void	onRestoreInstanceState(android.os.Parcelable savedState)
android.os.Parcelable	onSaveInstanceState()
boolean	onTouchEvent(android.view.MotionEvent event)
MaterialSpinner	setAdapter(android.widget.ListAdapter adapter) Set a custom adapter for the dropdown items
<T> MaterialSpinner	setAdapter(MaterialSpinnerAdapter<T> adapter) Set the custom adapter for the dropdown items
void	setArrowColor(int color) Set the tint color for the dropdown arrow
void	setBackgroundColor(int color)
MaterialSpinner	setDropDownBackgroundSelector(int backgroundSelector)
void	setDropdownHeight(int height) Set the height of the dropdown menu
void	setDropdownMaxHeight(int height) Set the maximum height of the dropdown menu.
void	setEnabled(boolean enabled)
<T> MaterialSpinner	setItems(java.util.List<T> items) Set the dropdown items
<T> MaterialSpinner	setItems(T... items) Set the dropdown items
MaterialSpinner	setOnItemSelectedListener(MaterialSpinner.OnItemSelectedListener onItemSelectedListener) Register a callback to be invoked when an item in the dropdown is selected.
MaterialSpinner	setOnNoMoreChoiceListener(MaterialSpinner.OnNoMoreChoiceListener onNoMoreChoiceListener) 设置无更多选择的监听
MaterialSpinner	setOnNothingSelectedListener(MaterialSpinner.OnNothingSelectedListener onNothingSelectedListener) Register a callback to be invoked when the PopupWindow is shown but the user didn't select an item.
MaterialSpinner	setSelectedIndex(int position) Set the default spinner item using its index
<T> MaterialSpinner	setSelectedItem(T item) 设置选中的内容
void	setTextColor(int color)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MaterialSpinner

public MaterialSpinner(android.content.Context context)

MaterialSpinner

public MaterialSpinner(android.content.Context context,
                       android.util.AttributeSet attrs)

MaterialSpinner

public MaterialSpinner(android.content.Context context,
                       android.util.AttributeSet attrs,
                       int defStyleAttr)

Method Detail

onMeasure

protected void onMeasure(int widthMeasureSpec,
                         int heightMeasureSpec)

onTouchEvent

public boolean onTouchEvent(android.view.MotionEvent event)

setBackgroundColor

public void setBackgroundColor(int color)

setTextColor

public void setTextColor(int color)

onSaveInstanceState

public android.os.Parcelable onSaveInstanceState()

onRestoreInstanceState

public void onRestoreInstanceState(android.os.Parcelable savedState)

setEnabled

public void setEnabled(boolean enabled)

getSelectedIndex

public int getSelectedIndex()

Returns:

the selected item position

setSelectedIndex

public MaterialSpinner setSelectedIndex(int position)

Set the default spinner item using its index

Parameters:

position - the item's position

setSelectedItem

public <T> MaterialSpinner setSelectedItem(T item)

设置选中的内容

Type Parameters:

T -

Parameters:

item - 选中的内容

getSpinnerPosition

public <T> int getSpinnerPosition(T item,
                                  java.util.List<T> items)

获取选中内容在Spinner中的位置

Parameters:

item - 选中的内容

items - Spinner中选项的集合

Returns:

setOnItemSelectedListener

public MaterialSpinner setOnItemSelectedListener(MaterialSpinner.OnItemSelectedListener onItemSelectedListener)

Register a callback to be invoked when an item in the dropdown is selected.

Parameters:

onItemSelectedListener - The callback that will run

setOnNothingSelectedListener

public MaterialSpinner setOnNothingSelectedListener(MaterialSpinner.OnNothingSelectedListener onNothingSelectedListener)

Register a callback to be invoked when the PopupWindow is shown but the user didn't select an item.

Parameters:

onNothingSelectedListener - the callback that will run

setOnNoMoreChoiceListener

public MaterialSpinner setOnNoMoreChoiceListener(MaterialSpinner.OnNoMoreChoiceListener onNoMoreChoiceListener)

设置无更多选择的监听

Parameters:

onNoMoreChoiceListener -

Returns:

setItems

@SafeVarargs
public final <T> MaterialSpinner setItems(T... items)

Set the dropdown items

Type Parameters:

T - The item type

Parameters:

items - A list of items

setItems

public <T> MaterialSpinner setItems(java.util.List<T> items)

Set the dropdown items

Type Parameters:

T - The item type

Parameters:

items - A list of items

getItems

public <T> java.util.List<T> getItems()

Get the list of items in the adapter

Type Parameters:

T - The item type

Returns:

A list of items or null if no items are set.

getSelectedItem

public <T> T getSelectedItem()

Get the Selected Item in the adapter

Type Parameters:

T - The item type

Returns:

A list of items or null if no items are set.

setAdapter

public MaterialSpinner setAdapter(android.widget.ListAdapter adapter)

Set a custom adapter for the dropdown items

Parameters:

adapter - The list adapter

setAdapter

public <T> MaterialSpinner setAdapter(MaterialSpinnerAdapter<T> adapter)

Set the custom adapter for the dropdown items

Type Parameters:

T - The type

Parameters:

adapter - The adapter

getAdapter

public MaterialSpinnerBaseAdapter getAdapter()

获取适配器

Returns:

setDropDownBackgroundSelector

public MaterialSpinner setDropDownBackgroundSelector(int backgroundSelector)

expand

public void expand()

Show the dropdown menu

collapse

public void collapse()

Closes the dropdown menu

setArrowColor

public void setArrowColor(int color)

Set the tint color for the dropdown arrow

Parameters:

color - the color value

setDropdownMaxHeight

public void setDropdownMaxHeight(int height)

Set the maximum height of the dropdown menu.

Parameters:

height - the height in pixels

setDropdownHeight

public void setDropdownHeight(int height)

Set the height of the dropdown menu

Parameters:

height - the height in pixels

getPopupWindow

public android.widget.PopupWindow getPopupWindow()

Get the PopupWindow.

Returns:

The PopupWindow that is displayed when the view has been clicked.

getListView

public android.widget.ListView getListView()

Get the ListView that is used in the dropdown menu

Returns:

the ListView shown in the PopupWindow.