event);caseDragEvent.ACTION_DRAG_ENTERED:returntrue;caseDragEvent.ACTION_DRAG_LOCATION:returnthis.dragLocation(v, event);caseDragEvent.ACTION_DRAG_EXITED:returntrue;caseDragEvent.ACTION_DROP:returnthis.dragDrop(v, event);caseDragEvent.
如果一个View接收Drag操作,它就会在当它(这个View)成为Drag的目标时,改变样子(View发生了变化),以此来响应ACTION_DRAG_ENTERED事件。 当Drag操作离开View后,再次进入VIew时,会先收到ACTION_DRAG_ENTERED的事件,之后才收到ACTION_DRAG_LOCATION事件。 ACTION_DRAG_EXITED 当拖放操作离开View的边界框时的,View收到的事件。
intACTION_DRAG_ENTERED 由getAction()返回的操作常量:信号到视图,拖动点已进入视图的边界框。 intACTION_DRAG_EXITED 由getAction()返回的操作常量:表示用户已将视图的边界框之外的拖动阴影移出。 intACTION_DRAG_LOCATION 由getAction()返回的动作常量:如果拖动阴影仍在View对象的边界框内,则发送到ACTION_DRAG_ENTER...
int ACTION_DRAG_EXITED 由getAction()返回的操作常量:表示用户已将视图的边界框之外的拖动阴影移出。 View可以通过改变其外观来做出反应,告诉用户View不再是立即放置目标。 系统向视图发送ACTION_DRAG_EXITED事件后,视图将不会再收到ACTION_DRAG_LOCATION事件,直到用户将视图拖回到视图上。 常数值:6(0x00000006)ACTION...
ACTION_DRAG_STARTED X X X X ACTION_DRAG_ENTERED X X ACTION_DRAG_LOCATION X X X X ACTION_DRAG_EXITED X X ACTION_DROP X X X X X ACTION_DRAG_ENDED X X X The getAction(), describeContents(), writeToParcel(Parcel, int), and toString() methods always return valid data. Develo...
((ImageView) view).setColorFilter(Color.YELLOW);break;//the user has moved the drag shadow outside the bounding box of the ViewcaseDragEvent.ACTION_DRAG_EXITED: ((ImageView) view).clearColorFilter();break;//drag shadow has been released,the drag point is within the bounding box of the ...
One of the following action constants, in the order in which they usually occur during a drag and drop operation: #ACTION_DRAG_STARTED #ACTION_DRAG_ENTERED #ACTION_DRAG_LOCATION #ACTION_DROP #ACTION_DRAG_EXITED #ACTION_DRAG_ENDED Attributes RegisterAttribute Remarks Inspect the action value ...
target can decide to change its appearance to let the user know that the dragged data can be dropped on it. This can be done in aDRAG_OVERevent handler, based on the position of the mouse. Another option is to change the potential target's appearance in aDRAG_ENTEREDandDRAG_EXITEDhandlers...
onDragExited(EventHandler<? super DragEvent> x) Set the value of the onDragExited property for the instance constructed by this builder. B NodeBuilder.onDragExited(EventHandler<? super DragEvent> x) Set the value of the onDragExited property for the instance constructed by this builder. ...
println(lastAction = msg); } } } 代码示例来源:origin: kaikramer/keystore-explorer /** * Drag target exited. * * @param evt * Drag event */ public void dragExit(DragSourceDragEvent evt) { // Show no drop cursor DragSourceContext ctx = evt.getDragSourceContext(); ctx.setCursor(Drag...