com.facebook.react.views.text

Class ReactTextViewManager

java.lang.Object

com.facebook.react.uimanager.ViewManager<ReactTextView,ReactTextShadowNode>

com.facebook.react.views.text.ReactTextViewManager

Direct Known Subclasses:

ReactRawTextManager

public class ReactTextViewManager
extends ViewManager<ReactTextView,ReactTextShadowNode>

Manages instances of spannable TextView. This is a "shadowing" view manager, which means that the NativeViewHierarchyManager will not manage children of native TextView instances returned by this manager. Instead we use

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	PROP_LINE_HEIGHT
static java.lang.String	PROP_NUMBER_OF_LINES
static java.lang.String	PROP_TEXT_ALIGN
static java.lang.String	REACT_CLASS

Constructor Summary

Constructors

Constructor and Description
ReactTextViewManager()

Method Summary

Methods

Modifier and Type	Method and Description
ReactTextShadowNode	createCSSNodeInstance() This method should return a subclass of CSSNode which will be then used for measuring position and size of the view.
ReactTextView	createViewInstance(ThemedReactContext context) Subclasses should return a new View instance of the proper type.
java.lang.String	getName()
void	updateExtraData(ReactTextView view, java.lang.Object extraData) Subclasses can implement this method to receive an optional extra data enqueued from the corresponding instance of ReactShadowNode in ReactShadowNode.onCollectExtraUpdates(com.facebook.react.uimanager.UIViewOperationQueue).
void	updateView(ReactTextView view, CatalystStylesDiffMap props) Subclass should use this method to populate native view with updated style properties.

Methods inherited from class com.facebook.react.uimanager.ViewManager

addEventEmitters, createView, getCommandsMap, getExportedCustomBubblingEventTypeConstants, getExportedCustomDirectEventTypeConstants, getExportedViewConstants, getNativeProps, onDropViewInstance, receiveCommand

Methods inherited from class java.lang.Object

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

Field Detail

REACT_CLASS

public static final java.lang.String REACT_CLASS

See Also:

Constant Field Values

PROP_NUMBER_OF_LINES

public static final java.lang.String PROP_NUMBER_OF_LINES

See Also:

Constant Field Values

PROP_TEXT_ALIGN

public static final java.lang.String PROP_TEXT_ALIGN

See Also:

Constant Field Values

PROP_LINE_HEIGHT

public static final java.lang.String PROP_LINE_HEIGHT

See Also:

Constant Field Values

Constructor Detail

ReactTextViewManager

public ReactTextViewManager()

Method Detail

getName

public java.lang.String getName()

Specified by:

getName in class ViewManager<ReactTextView,ReactTextShadowNode>

Returns:

the name of this view manager. This will be the name used to reference this view manager from JavaScript in createReactIOSNativeComponentClass.

createViewInstance

public ReactTextView createViewInstance(ThemedReactContext context)

Description copied from class: ViewManager

Subclasses should return a new View instance of the proper type.

Specified by:

createViewInstance in class ViewManager<ReactTextView,ReactTextShadowNode>

updateView

public void updateView(ReactTextView view,
              CatalystStylesDiffMap props)

Description copied from class: ViewManager

Subclass should use this method to populate native view with updated style properties. In case when a certain property is present in map but the value is null, this property should be reset to the default value

Specified by:

updateView in class ViewManager<ReactTextView,ReactTextShadowNode>

updateExtraData

public void updateExtraData(ReactTextView view,
                   java.lang.Object extraData)

Description copied from class: ViewManager

Subclasses can implement this method to receive an optional extra data enqueued from the corresponding instance of ReactShadowNode in ReactShadowNode.onCollectExtraUpdates(com.facebook.react.uimanager.UIViewOperationQueue). Since css layout step and ui updates can be executed in separate thread apart of setting x/y/width/height this is the recommended and thread-safe way of passing extra data from css node to the native view counterpart. TODO(7247021): Replace updateExtraData with generic update props mechanism after D2086999

Specified by:

updateExtraData in class ViewManager<ReactTextView,ReactTextShadowNode>

createCSSNodeInstance

public ReactTextShadowNode createCSSNodeInstance()

Description copied from class: ViewManager

This method should return a subclass of CSSNode which will be then used for measuring position and size of the view. In mose of the cases this should just return an instance of CSSNode

Specified by:

createCSSNodeInstance in class ViewManager<ReactTextView,ReactTextShadowNode>