Java tutorial
/** * Catroid: An on-device visual programming system for Android devices * Copyright (C) 2010-2013 The Catrobat Team * (<http://developer.catrobat.org/credits>) * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * An additional term exception under section 7 of the GNU Affero * General Public License, version 3, is available at * http://developer.catrobat.org/license_additional_term * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.catrobat.catroid.ui.dialogs; import org.catrobat.catroid.ui.adapter.IconMenuAdapter; import org.catrobat.catroid.ui.adapter.IconMenuAdapter.CustomContextMenuItem; import android.app.AlertDialog; import android.app.Dialog; import android.content.DialogInterface; import android.content.DialogInterface.OnCancelListener; import android.os.Bundle; import android.support.v4.app.DialogFragment; import org.catrobat.catroid.R; public class CustomIconContextMenu extends DialogFragment implements DialogInterface.OnCancelListener, DialogInterface.OnDismissListener { private static final String BUNDLE_ARGUMENTS_MENU_TITLE = "menu_title"; public static final String DIALOG_FRAGMENT_TAG = "dialog_custom_icon_context_menu"; private IconMenuAdapter menuAdapter; private IconContextMenuOnClickListener clickListener; public static CustomIconContextMenu newInstance(String menuTitle) { CustomIconContextMenu dialog = new CustomIconContextMenu(); Bundle arguments = new Bundle(); arguments.putString(BUNDLE_ARGUMENTS_MENU_TITLE, menuTitle); dialog.setArguments(arguments); return dialog; } public void setAdapter(IconMenuAdapter adapter) { menuAdapter = adapter; } public void setOnClickListener(IconContextMenuOnClickListener listener) { clickListener = listener; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setRetainInstance(true); } @Override public void onDestroyView() { if (getDialog() != null && getRetainInstance()) { getDialog().setOnDismissListener(null); } super.onDestroyView(); } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { final String menuTitle = getArguments().getString(BUNDLE_ARGUMENTS_MENU_TITLE); Dialog dialog = new AlertDialog.Builder(getActivity()).setTitle(menuTitle) .setIcon(R.drawable.ic_dialog_menu_generic) .setAdapter(menuAdapter, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialoginterface, int position) { CustomContextMenuItem item = (CustomContextMenuItem) menuAdapter.getItem(position); if (clickListener != null) { clickListener.onClick(item.contextMenuItemId); } } }).setInverseBackgroundForced(true).create(); dialog.setCanceledOnTouchOutside(true); dialog.setOnCancelListener(new OnCancelListener() { @Override public void onCancel(DialogInterface dialog) { dismiss(); } }); return dialog; } public interface IconContextMenuOnClickListener { public abstract void onClick(int menuId); } }