（8）Launcher3客制化之ContentProvider内容提供者，实现其它应用改动数据库更新等操作
首先加入两个权限 <uses-permission android:name="com.android.launcher3.permission.READ_SETTINGS"/> <uses-permission android:name="com.android.launcher3.permission.WRITE_SETTINGS"/> 这两个是改动 桌面的数据库的权限 不加入就改动不了哦 直接通过内容提供者获取数据， static ArrayList<ShortcutInfo> getItemsInLocalCoordinates(Context context) { ArrayList<ShortcutInfo> items = new ArrayList<ShortcutInfo>(); final ContentResolver cr = context.getContentResolver(); Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, new String[] { LauncherSettings.Favorites.ITEM_TYPE, LauncherSettings.Favorites.CONTAINER, LauncherSettings.Favorites.SCREEN, LauncherSettings.Favorites.CELLX, LauncherSettings.Favorites.CELLY, LauncherSettings.Favorites.SPANX, LauncherSettings.Favorites.SPANY ,LauncherSettings.Favorites.TITLE,LauncherSettings.Favorites.INTENT}, null, null, null); final int itemTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE); final int containerIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CONTAINER); final int screenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SCREEN); final int cellXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLX); final int cellYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLY); final int spanXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SPANX); final int spanYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SPANY); final int titleIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE); final int intenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.INTENT); try { while (c.moveToNext()) { ShortcutInfo item = new ShortcutInfo(); item.cellX = c.getInt(cellXIndex); item.cellY = c.getInt(cellYIndex); item.spanX = Math.max(1, c.getInt(spanXIndex)); item.spanY = Math.max(1, c.getInt(spanYIndex)); item.container = c.getInt(containerIndex); item.itemType = c.getInt(itemTypeIndex); item.screenId = c.getInt(screenIndex); item.title=c.getString(titleIndex); if(c.getString(intenIndex)!=null){ item.intent=new Intent(c.getString(intenIndex)); } items.add(item); } } catch (Exception e) { items.clear(); } finally { c.close(); } return items; } 改动内容同理通过对于的URL进行改动。 详细我就不进行代码编写了。 本文转自mfrbuaa博客园博客，原文链接：http://www.cnblogs.com/mfrbuaa/p/5342666.html，如需转载请自行联系原作者
