com.google.appinventor.components.runtime

Class ListPicker

java.lang.Object

com.google.appinventor.components.runtime.VisibleComponent

com.google.appinventor.components.runtime.AndroidViewComponent

com.google.appinventor.components.runtime.ButtonBase

com.google.appinventor.components.runtime.Picker

com.google.appinventor.components.runtime.ListPicker

All Implemented Interfaces:

android.view.View.OnClickListener, android.view.View.OnFocusChangeListener, android.view.View.OnLongClickListener, android.view.View.OnTouchListener, ActivityResultListener, Component, Deleteable, OnResumeListener

public class ListPicker
extends Picker
implements ActivityResultListener, Deleteable, OnResumeListener

A button allowing a user to select one among a list of text strings.

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_ITEM_BACKGROUND_COLOR
static int	DEFAULT_ITEM_TEXT_COLOR

Fields inherited from class com.google.appinventor.components.runtime.Picker

container, requestCode

Fields inherited from interface com.google.appinventor.components.runtime.Component

ACCELEROMETER_SENSITIVITY_MODERATE, ACCELEROMETER_SENSITIVITY_STRONG, ACCELEROMETER_SENSITIVITY_WEAK, ALIGNMENT_CENTER, ALIGNMENT_NORMAL, ALIGNMENT_OPPOSITE, ASSET_DIRECTORY, BUTTON_SHAPE_DEFAULT, BUTTON_SHAPE_OVAL, BUTTON_SHAPE_RECT, BUTTON_SHAPE_ROUNDED, COLOR_BLACK, COLOR_BLUE, COLOR_CYAN, COLOR_DEFAULT, COLOR_DKGRAY, COLOR_GRAY, COLOR_GREEN, COLOR_LTGRAY, COLOR_MAGENTA, COLOR_NONE, COLOR_ORANGE, COLOR_PINK, COLOR_RED, COLOR_WHITE, COLOR_YELLOW, DEFAULT_VALUE_COLOR_BLACK, DEFAULT_VALUE_COLOR_BLUE, DEFAULT_VALUE_COLOR_CYAN, DEFAULT_VALUE_COLOR_DEFAULT, DEFAULT_VALUE_COLOR_DKGRAY, DEFAULT_VALUE_COLOR_GRAY, DEFAULT_VALUE_COLOR_GREEN, DEFAULT_VALUE_COLOR_LTGRAY, DEFAULT_VALUE_COLOR_MAGENTA, DEFAULT_VALUE_COLOR_NONE, DEFAULT_VALUE_COLOR_ORANGE, DEFAULT_VALUE_COLOR_PINK, DEFAULT_VALUE_COLOR_RED, DEFAULT_VALUE_COLOR_WHITE, DEFAULT_VALUE_COLOR_YELLOW, DIRECTION_EAST, DIRECTION_MAX, DIRECTION_MIN, DIRECTION_NONE, DIRECTION_NORTH, DIRECTION_NORTHEAST, DIRECTION_NORTHWEST, DIRECTION_SOUTH, DIRECTION_SOUTHEAST, DIRECTION_SOUTHWEST, DIRECTION_WEST, FONT_DEFAULT_SIZE, LAYOUT_ORIENTATION_HORIZONTAL, LAYOUT_ORIENTATION_VERTICAL, LENGTH_FILL_PARENT, LENGTH_PREFERRED, LENGTH_UNKNOWN, SLIDER_MAX_VALUE, SLIDER_MIN_VALUE, SLIDER_THUMB_VALUE, TOAST_LENGTH_LONG, TOAST_LENGTH_SHORT, TYPEFACE_DEFAULT, TYPEFACE_MONOSPACE, TYPEFACE_SANSSERIF, TYPEFACE_SERIF

Constructor Summary

Constructors

Constructor and Description
ListPicker(ComponentContainer container) Create a new ListPicker component.

Method Summary

Methods

Modifier and Type	Method and Description
YailList	Elements() Elements property getter method
void	Elements(YailList itemList) Elements property setter method
void	ElementsFromString(java.lang.String itemstring) ElementsFromString property setter method
android.content.Intent	getIntent() Provides the Intent used to launch the picker activity.
int	ItemBackgroundColor()
void	ItemBackgroundColor(int argb)
int	ItemTextColor()
void	ItemTextColor(int argb)
void	onDelete()
void	onResume()
void	resultReturned(int requestCode, int resultCode, android.content.Intent data) Callback method to get the result returned by the list picker activity
java.lang.String	Selection() Selection property getter method.
void	Selection(java.lang.String value) Selection property setter method.
int	SelectionIndex() Selection index property getter method.
void	SelectionIndex(int index) Selection index property setter method.
boolean	ShowFilterBar()
void	ShowFilterBar(boolean showFilter)
java.lang.String	Title() Title property getter method.
void	Title(java.lang.String title) Title property setter method: sets a new caption for the list picker in the list picker activity's title bar.

Methods inherited from class com.google.appinventor.components.runtime.Picker

AfterPicking, BeforePicking, click, Open

Methods inherited from class com.google.appinventor.components.runtime.ButtonBase

BackgroundColor, BackgroundColor, Enabled, Enabled, FontBold, FontBold, FontItalic, FontItalic, FontSize, FontSize, FontTypeface, FontTypeface, getView, GotFocus, Image, Image, longClick, LostFocus, onClick, onFocusChange, onLongClick, onTouch, Shape, Shape, ShowFeedback, ShowFeedback, Text, Text, TextAlignment, TextAlignment, TextColor, TextColor, TouchDown, TouchUp

Methods inherited from class com.google.appinventor.components.runtime.AndroidViewComponent

Column, Column, CopyHeight, CopyWidth, getDispatchDelegate, Height, Height, Row, Row, Visible, Visible, Width, Width

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_ITEM_TEXT_COLOR

public static final int DEFAULT_ITEM_TEXT_COLOR

See Also:

Constant Field Values

DEFAULT_ITEM_BACKGROUND_COLOR

public static final int DEFAULT_ITEM_BACKGROUND_COLOR

See Also:

Constant Field Values

Constructor Detail

ListPicker

public ListPicker(ComponentContainer container)

Create a new ListPicker component.

Parameters:

container - the parent container.

Method Detail

onResume

public void onResume()

Specified by:

onResume in interface OnResumeListener

Selection

public java.lang.String Selection()

Selection property getter method.

Selection

public void Selection(java.lang.String value)

Selection property setter method.

ShowFilterBar

public void ShowFilterBar(boolean showFilter)

ShowFilterBar

public boolean ShowFilterBar()

ItemTextColor

public void ItemTextColor(int argb)

ItemTextColor

public int ItemTextColor()

ItemBackgroundColor

public void ItemBackgroundColor(int argb)

ItemBackgroundColor

public int ItemBackgroundColor()

SelectionIndex

public int SelectionIndex()

Selection index property getter method.

SelectionIndex

public void SelectionIndex(int index)

Selection index property setter method.

Elements

public YailList Elements()

Elements property getter method

Returns:

a YailList representing the list of strings to be picked from

Elements

public void Elements(YailList itemList)

Elements property setter method

Parameters:

itemList - - a YailList containing the strings to be added to the ListPicker

ElementsFromString

public void ElementsFromString(java.lang.String itemstring)

ElementsFromString property setter method

Parameters:

itemstring - - a string containing a comma-separated list of the strings to be picked from

Title

public java.lang.String Title()

Title property getter method.

Returns:

list picker title

Title

public void Title(java.lang.String title)

Title property setter method: sets a new caption for the list picker in the list picker activity's title bar.

Parameters:

title - new list picker caption

getIntent

public android.content.Intent getIntent()

Description copied from class: Picker

Provides the Intent used to launch the picker activity.

Specified by:

getIntent in class Picker

resultReturned

public void resultReturned(int requestCode,
                  int resultCode,
                  android.content.Intent data)

Callback method to get the result returned by the list picker activity

Specified by:

resultReturned in interface ActivityResultListener

Parameters:

requestCode - a code identifying the request.

resultCode - a code specifying success or failure of the activity

data - the returned data, in this case an Intent whose data field contains the selected item.

onDelete

public void onDelete()

Specified by:

onDelete in interface Deleteable