com.google.appinventor.components.runtime

Class Picker

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

All Implemented Interfaces:

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

Direct Known Subclasses:

ContactPicker, ImagePicker, ListPicker

public abstract class Picker
extends ButtonBase
implements ActivityResultListener

Abstract superclass for all of the "Picker" components.

Field Summary

Fields

Modifier and Type	Field and Description
protected ComponentContainer	container
protected int	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
Picker(ComponentContainer container)

Method Summary

Methods

Modifier and Type	Method and Description
void	AfterPicking() Event to be raised after the picker activity returns its result and the properties have been filled in.
void	BeforePicking() Event to raise when the button of the component is clicked or the list is shown using the Open block.
void	click()
protected abstract android.content.Intent	getIntent() Provides the Intent used to launch the picker activity.
void	Open() Opens the picker, as though the user clicked on it.

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

Methods inherited from interface com.google.appinventor.components.runtime.ActivityResultListener

resultReturned

Field Detail

container

protected final ComponentContainer container

requestCode

protected int requestCode

Constructor Detail

Picker

public Picker(ComponentContainer container)

Method Detail

getIntent

protected abstract android.content.Intent getIntent()

Provides the Intent used to launch the picker activity.

click

public void click()

Specified by:

click in class ButtonBase

Open

public void Open()

Opens the picker, as though the user clicked on it.

BeforePicking

public void BeforePicking()

Event to raise when the button of the component is clicked or the list is shown using the Open block. This event occurs before the list of items is displayed, and can be used to prepare the list before it is shown.

AfterPicking

public void AfterPicking()

Event to be raised after the picker activity returns its result and the properties have been filled in.