$ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

U

UNKNOWN_VALUE - Static variable in class com.google.appinventor.components.runtime.LocationSensor

Constant returned by LocationSensor.Longitude(), LocationSensor.Latitude(), and LocationSensor.Altitude() if no value could be obtained for them.

unregisterAllEventsForDelegation() - Static method in class com.google.appinventor.components.runtime.EventDispatcher

Removes all event closures previously registered via EventDispatcher.registerEventForDelegation(com.google.appinventor.components.runtime.HandlesEventDispatching, java.lang.String, java.lang.String).

unregisterEventForDelegation(HandlesEventDispatching, String, String) - Static method in class com.google.appinventor.components.runtime.EventDispatcher

Unregisters a dispatchDelegate for handling event dispatching for the event with the specified component id and event name.

unregisterForActivityResult(ActivityResultListener) - Method in class com.google.appinventor.components.runtime.Form

updateCoordinates() - Method in class com.google.appinventor.components.runtime.Sprite

Updates the x- and y-coordinates based on the heading and speed.

UriEncode(String) - Method in class com.google.appinventor.components.runtime.Web

Encodes the given text value so that it can be used in a URL.

Url() - Method in class com.google.appinventor.components.runtime.Web

Returns the URL.

Url(String) - Method in class com.google.appinventor.components.runtime.Web

Specifies the URL.

UseExternalScanner() - Method in class com.google.appinventor.components.runtime.BarcodeScanner

Gets whether or not you want to use an external scanning program to scan barcodes.

UseExternalScanner(boolean) - Method in class com.google.appinventor.components.runtime.BarcodeScanner

Set whether or not you wish to use an External Scanning program such as Bar Code Scanner.

UseFront() - Method in class com.google.appinventor.components.runtime.Camera

Returns true if the front-facing camera is to be used (when available)

UseFront(boolean) - Method in class com.google.appinventor.components.runtime.Camera

Specifies whether the front-facing camera should be used (when available)

UseGPS(boolean) - Method in class com.google.appinventor.components.runtime.Pedometer

Specifies whether to use GPS, if signal is available, to compute distance.

UseGPS() - Method in class com.google.appinventor.components.runtime.Pedometer

Returns whether the GPS is being used to measure distance.

UserChoice() - Method in class com.google.appinventor.components.runtime.Voting

The choice to select when sending the vote.

UserChoice(String) - Method in class com.google.appinventor.components.runtime.Voting

Set the choice to select when sending the vote.

UserEmailAddress() - Method in class com.google.appinventor.components.runtime.GameClient

Returns the registered email address that is being used as the player id for this game client.

UserEmailAddress(String) - Method in class com.google.appinventor.components.runtime.GameClient

Changes the player of this game by changing the email address used to communicate with the server.

UserEmailAddress() - Method in class com.google.appinventor.components.runtime.Voting

Returns the registered email address, as a string, for this device's user.

UserEmailAddressSet(String) - Method in class com.google.appinventor.components.runtime.GameClient

Indicates that the user email address property has been successfully set.

userHeading - Variable in class com.google.appinventor.components.runtime.Sprite

The angle, in degrees above the positive x-axis, specified by the user.

UserId() - Method in class com.google.appinventor.components.runtime.Voting

An Id that is sent to the Web server along with the vote.

UserId(String) - Method in class com.google.appinventor.components.runtime.Voting

Set an Id to be sent to the Web server along with the vote.

Username() - Method in class com.google.appinventor.components.runtime.Twitter

UseServiceAuthentication() - Method in class com.google.appinventor.components.runtime.FusiontablesControl

Property to determine whether to use service authentication or user authentication.

UseServiceAuthentication(boolean) - Method in class com.google.appinventor.components.runtime.FusiontablesControl

UsesLocation(boolean) - Method in class com.google.appinventor.components.runtime.WebViewer

Specifies whether or not this WebViewer can access the JavaScript Location API.

$ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z