| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.example.android.apis.view; |
| |
| import com.example.android.apis.R; |
| |
| import android.app.ListActivity; |
| import android.os.Bundle; |
| import android.view.ActionMode; |
| import android.view.Menu; |
| import android.view.MenuInflater; |
| import android.view.MenuItem; |
| import android.widget.ArrayAdapter; |
| import android.widget.ListView; |
| import android.widget.Toast; |
| |
| /** |
| * This demo illustrates the use of CHOICE_MODE_MULTIPLE_MODAL, a.k.a. selection mode on ListView. |
| */ |
| public class List15 extends ListActivity { |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| ListView lv = getListView(); |
| lv.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE_MODAL); |
| lv.setMultiChoiceModeListener(new ModeCallback()); |
| setListAdapter(new ArrayAdapter<String>(this, |
| android.R.layout.simple_list_item_checked, mStrings)); |
| } |
| |
| @Override |
| protected void onPostCreate(Bundle savedInstanceState) { |
| super.onPostCreate(savedInstanceState); |
| getActionBar().setSubtitle("Long press to start selection"); |
| } |
| |
| private class ModeCallback implements ListView.MultiChoiceModeListener { |
| |
| public boolean onCreateActionMode(ActionMode mode, Menu menu) { |
| MenuInflater inflater = getMenuInflater(); |
| inflater.inflate(R.menu.list_select_menu, menu); |
| mode.setTitle("Select Items"); |
| setSubtitle(mode); |
| return true; |
| } |
| |
| public boolean onPrepareActionMode(ActionMode mode, Menu menu) { |
| return true; |
| } |
| |
| public boolean onActionItemClicked(ActionMode mode, MenuItem item) { |
| switch (item.getItemId()) { |
| case R.id.share: |
| Toast.makeText(List15.this, "Shared " + getListView().getCheckedItemCount() + |
| " items", Toast.LENGTH_SHORT).show(); |
| mode.finish(); |
| break; |
| default: |
| Toast.makeText(List15.this, "Clicked " + item.getTitle(), |
| Toast.LENGTH_SHORT).show(); |
| break; |
| } |
| return true; |
| } |
| |
| public void onDestroyActionMode(ActionMode mode) { |
| } |
| |
| public void onItemCheckedStateChanged(ActionMode mode, |
| int position, long id, boolean checked) { |
| setSubtitle(mode); |
| } |
| |
| private void setSubtitle(ActionMode mode) { |
| final int checkedCount = getListView().getCheckedItemCount(); |
| switch (checkedCount) { |
| case 0: |
| mode.setSubtitle(null); |
| break; |
| case 1: |
| mode.setSubtitle("One item selected"); |
| break; |
| default: |
| mode.setSubtitle("" + checkedCount + " items selected"); |
| break; |
| } |
| } |
| } |
| |
| private String[] mStrings = Cheeses.sCheeseStrings; |
| } |