diff --git a/docs/html/guide/topics/ui/drag-drop.jd b/docs/html/guide/topics/ui/drag-drop.jd index e98937468db9f..dbb4f98ea9d76 100644 --- a/docs/html/guide/topics/ui/drag-drop.jd +++ b/docs/html/guide/topics/ui/drag-drop.jd @@ -873,7 +873,7 @@ imageView.setOnDragListener(mDragListen); ... -protected class myDragEventListener implements View.OnDragEventListener { +protected class myDragEventListener implements View.OnDragListener { // This is the method that the system calls when it dispatches a drag event to the // listener. @@ -901,16 +901,13 @@ protected class myDragEventListener implements View.OnDragEventListener { // returns true to indicate that the View can accept the dragged data. return(true); - } else { + } - // Returns false. During the current drag and drop operation, this View will - // not receive events again until ACTION_DRAG_ENDED is sent. - return(false); + // Returns false. During the current drag and drop operation, this View will + // not receive events again until ACTION_DRAG_ENDED is sent. + return(false); - } - break; - - case DragEvent.ACTION_DRAG_ENTERED: { + case DragEvent.ACTION_DRAG_ENTERED: // Applies a green tint to the View. Return true; the return value is ignored. @@ -921,77 +918,68 @@ protected class myDragEventListener implements View.OnDragEventListener { return(true); - break; - - case DragEvent.ACTION_DRAG_LOCATION: + case DragEvent.ACTION_DRAG_LOCATION: // Ignore the event - return(true); + return(true); + case DragEvent.ACTION_DRAG_EXITED: + + // Re-sets the color tint to blue. Returns true; the return value is ignored. + v.setColorFilter(Color.BLUE); + + // Invalidate the view to force a redraw in the new tint + v.invalidate(); + + return(true); + + case DragEvent.ACTION_DROP: + + // Gets the item containing the dragged data + ClipData.Item item = event.getClipData().getItemAt(0); + + // Gets the text data from the item. + dragData = item.getText(); + + // Displays a message containing the dragged data. + Toast.makeText(this, "Dragged data is " + dragData, Toast.LENGTH_LONG); + + // Turns off any color tints + v.clearColorFilter(); + + // Invalidates the view to force a redraw + v.invalidate(); + + // Returns true. DragEvent.getResult() will return true. + return(true); + + case DragEvent.ACTION_DRAG_ENDED: + + // Turns off any color tinting + v.clearColorFilter(); + + // Invalidates the view to force a redraw + v.invalidate(); + + // Does a getResult(), and displays what happened. + if (event.getResult()) { + Toast.makeText(this, "The drop was handled.", Toast.LENGTH_LONG); + + } else { + Toast.makeText(this, "The drop didn't work.", Toast.LENGTH_LONG); + + } + + // returns true; the value is ignored. + return(true); + + // An unknown action type was received. + default: + Log.e("DragDrop Example","Unknown action type received by OnDragListener."); break; - - case DragEvent.ACTION_DRAG_EXITED: - - // Re-sets the color tint to blue. Returns true; the return value is ignored. - v.setColorFilter(Color.BLUE); - - // Invalidate the view to force a redraw in the new tint - v.invalidate(); - - return(true); - - break; - - case DragEvent.ACTION_DROP: - - // Gets the item containing the dragged data - ClipData.Item item = event.getClipData().getItemAt(0); - - // Gets the text data from the item. - dragData = item.getText(); - - // Displays a message containing the dragged data. - Toast.makeText(this, "Dragged data is " + dragData, Toast.LENGTH_LONG); - - // Turns off any color tints - v.clearColorFilter(); - - // Invalidates the view to force a redraw - v.invalidate(); - - // Returns true. DragEvent.getResult() will return true. - return(true); - - break; - - case DragEvent.ACTION_DRAG_ENDED: - - // Turns off any color tinting - v.clearColorFilter(); - - // Invalidates the view to force a redraw - v.invalidate(); - - // Does a getResult(), and displays what happened. - if (event.getResult()) { - Toast.makeText(this, "The drop was handled.", Toast.LENGTH_LONG); - - } else { - Toast.makeText(this, "The drop didn't work.", Toast.LENGTH_LONG); - - }; - - // returns true; the value is ignored. - return(true); - - break; - - // An unknown action type was received. - default: - Log.e("DragDrop Example","Unknown action type received by OnDragListener."); - - break; - }; - }; + } + + return(false); + } };