am e431b97c: Merge "Fixed Drag-and-Drop sample code" (94de60cc) · Commits · e / os / android_frameworks_base

docs/html/guide/topics/ui/drag-drop.jd

+47 −59

Original line number	Original line	Diff line number	Diff line
	@@ -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		// This is the method that the system calls when it dispatches a drag event to the
	// listener.		// listener.
	@@ -901,16 +901,13 @@ protected class myDragEventListener implements View.OnDragEventListener {
	// returns true to indicate that the View can accept the dragged data.		// returns true to indicate that the View can accept the dragged data.
	return(true);		return(true);

	} else {		}

	// Returns false. During the current drag and drop operation, this View will		// Returns false. During the current drag and drop operation, this View will
	// not receive events again until ACTION_DRAG_ENDED is sent.		// not receive events again until ACTION_DRAG_ENDED is sent.
	return(false);		return(false);

	}		case DragEvent.ACTION_DRAG_ENTERED:
	break;

	case DragEvent.ACTION_DRAG_ENTERED: {

	// Applies a green tint to the View. Return true; the return value is ignored.		// Applies a green tint to the View. Return true; the return value is ignored.

	@@ -921,15 +918,11 @@ protected class myDragEventListener implements View.OnDragEventListener {

	return(true);		return(true);

	break;

	case DragEvent.ACTION_DRAG_LOCATION:		case DragEvent.ACTION_DRAG_LOCATION:

	// Ignore the event		// Ignore the event
	return(true);		return(true);

	break;

	case DragEvent.ACTION_DRAG_EXITED:		case DragEvent.ACTION_DRAG_EXITED:

	// Re-sets the color tint to blue. Returns true; the return value is ignored.		// Re-sets the color tint to blue. Returns true; the return value is ignored.
	@@ -940,8 +933,6 @@ protected class myDragEventListener implements View.OnDragEventListener {

	return(true);		return(true);

	break;

	case DragEvent.ACTION_DROP:		case DragEvent.ACTION_DROP:

	// Gets the item containing the dragged data		// Gets the item containing the dragged data
	@@ -962,8 +953,6 @@ protected class myDragEventListener implements View.OnDragEventListener {
	// Returns true. DragEvent.getResult() will return true.		// Returns true. DragEvent.getResult() will return true.
	return(true);		return(true);

	break;

	case DragEvent.ACTION_DRAG_ENDED:		case DragEvent.ACTION_DRAG_ENDED:

	// Turns off any color tinting		// Turns off any color tinting
	@@ -979,19 +968,18 @@ protected class myDragEventListener implements View.OnDragEventListener {
	} else {		} else {
	Toast.makeText(this, "The drop didn't work.", Toast.LENGTH_LONG);		Toast.makeText(this, "The drop didn't work.", Toast.LENGTH_LONG);

	};		}

	// returns true; the value is ignored.		// returns true; the value is ignored.
	return(true);		return(true);

	break;

	// An unknown action type was received.		// An unknown action type was received.
	default:		default:
	Log.e("DragDrop Example","Unknown action type received by OnDragListener.");		Log.e("DragDrop Example","Unknown action type received by OnDragListener.");

	break;		break;
	};		}
	};
			return(false);
			}
	};		};
	</pre>		</pre>