com.google.appinventor.components.runtime

Class NearField

java.lang.Object

com.google.appinventor.components.runtime.AndroidNonvisibleComponent

com.google.appinventor.components.runtime.NearField

All Implemented Interfaces:

Component, Deleteable, OnNewIntentListener, OnPauseListener, OnResumeListener, OnStopListener

public class NearField
extends AndroidNonvisibleComponent
implements OnStopListener, OnResumeListener, OnPauseListener, OnNewIntentListener, Deleteable

Controller for Near Field Communication

Field Summary

Fields

Modifier and Type	Field and Description
protected int	requestCode

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

form

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
NearField(ComponentContainer container) Creates a new NearField component

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	LastMessage() Returns the content of the most recently received tag.
void	onDelete()
void	onNewIntent(android.content.Intent intent)
void	onPause()
void	onResume()
void	onStop()
boolean	ReadMode() Returns true if in read mode, false if in write mode.
void	ReadMode(boolean newMode) Allows the user to set read/write mode
void	TagRead(java.lang.String message) Indicates that a new tag has been detected.
void	TagWritten()
java.lang.String	TextToWrite() Returns the content of the text that's going to be written to the tag.
void	TextToWrite(java.lang.String newText) Allows the user to set the content of the tag that will be written
int	WriteType()

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

getDispatchDelegate

Methods inherited from class java.lang.Object

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

Field Detail

requestCode

protected int requestCode

Constructor Detail

NearField

public NearField(ComponentContainer container)

Creates a new NearField component

Parameters:

container - ignored (because this is a non-visible component)

Method Detail

TagRead

public void TagRead(java.lang.String message)

Indicates that a new tag has been detected. Currently this is only a plain text tag, as specified in the manifest. See Compiler.java.

TagWritten

public void TagWritten()

LastMessage

public java.lang.String LastMessage()

Returns the content of the most recently received tag.

ReadMode

public boolean ReadMode()

Returns true if in read mode, false if in write mode.

TextToWrite

public java.lang.String TextToWrite()

Returns the content of the text that's going to be written to the tag.

WriteType

public int WriteType()

ReadMode

public void ReadMode(boolean newMode)

Allows the user to set read/write mode

TextToWrite

public void TextToWrite(java.lang.String newText)

Allows the user to set the content of the tag that will be written

onNewIntent

public void onNewIntent(android.content.Intent intent)

Specified by:

onNewIntent in interface OnNewIntentListener

onResume

public void onResume()

Specified by:

onResume in interface OnResumeListener

onPause

public void onPause()

Specified by:

onPause in interface OnPauseListener

onDelete

public void onDelete()

Specified by:

onDelete in interface Deleteable

onStop

public void onStop()

Specified by:

onStop in interface OnStopListener