PagedDragDropGrid v0.1
An Android ViewGroup that implements a paged grid with drag'n'drop movable items
Supports Android 2.2 (API 8) and up
Tested on a Nexus One, Galaxy Nexus and a Nexus 7
Example video: http://youtu.be/FYTSRfthSuQ
Note: The Master branch is in active development.
Usage
Define an adapter conforming to interface PagedDragDropGridAdapter.java
public interface PagedDragDropGridAdapter {
// Automatic child distribution
public final static int AUTOMATIC = -1;
// Delete drop zone location TOP
public final static int TOP = 1;
// Delete drop zone location BOTTOM
public final static int BOTTOM = 2;
/**
* Used to create the paging
*
* @return the page count
*/
public int pageCount();
/**
* Returns the count of item in a page
*
* @param page index
* @return item count for page
*/
public int itemCountInPage(int page);
/**
* Returns the view for the item in the page
*
* @param page index
* @param item index
* @return the view
*/
public View view(int page, int index);
/**
* The fixed row count (AUTOMATIC for automatic computing)
*
* @return row count or AUTOMATIC
*/
public int rowCount();
/**
* The fixed column count (AUTOMATIC for automatic computing)
*
* @return column count or AUTOMATIC
*/
public int columnCount();
/**
* Prints the layout in Log.d();
*/
public void printLayout();
/**
* Swaps two items in the item list in a page
*
* @param pageIndex
* @param itemIndexA
* @param itemIndexB
*/
public void swapItems(int pageIndex, int itemIndexA, int itemIndexB);
/**
* Moves an item in the page on the left of provided the page
*
* @param pageIndex
* @param itemIndex
*/
public void moveItemToPreviousPage(int pageIndex, int itemIndex);
/**
* Moves an item in the page on the right of provided the page
*
* @param pageIndex
* @param itemIndex
*/
public void moveItemToNextPage(int pageIndex, int itemIndex);
/**
* deletes the item in page and at position
*
* @param pageIndex
* @param itemIndex
*/
public void deleteItem(int pageIndex, int itemIndex);
/**
* Returns the delete drop zone location.
*
* @return TOP or BOTTOM.
*/
public int deleteDropZoneLocation();
}
layout example.xml
<ca.laplanete.mobile.pageddragdropgrid.PagedDragDropGrid xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/gridview"
android:layout_width="fill_parent"
android:layout_height="fill_parent"/>
ExampleActivity.java
setContentView(R.layout.example);
PagedDragDropGrid gridview = (PagedDragDropGrid) findViewById(R.id.gridview);
gridview.setAdapter(new ExamplePagedDragDropGridAdapter(this));
/* Optionally set an onClickListener */
gridview.setClickListener(this);
Inspired by
https://github.com/thquinn/DraggableGridView and http://blahti.wordpress.com/2011/10/03/drag-drop-for-android-gridview/
License
/**
* Copyright 2012
*
* Nicolas Desjardins
* https://github.com/mrKlar
*
* Facilite solutions
* http://www.facilitesolutions.com/
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/