2E06-view-lists-separators

介绍通过方法

 @Override public boolean areAllItemsEnabled() {     return false; }@Overridepublic boolean isEnabled(int position) {    return !mStrings[position].startsWith("-");}

设置list的可以选和不可选注意有的list item没有分割线

/* * Copyright (C) 2007 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;// Need the following import to get access to the app resources, since this// class is in a sub-package.import android.app.ListActivity;import android.content.Context;import android.os.Bundle;import android.view.View;import android.view.ViewGroup;import android.view.LayoutInflater;import android.widget.BaseAdapter;import android.widget.TextView;/** * A list view example with separators. */public class List5 extends ListActivity {    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setListAdapter(new MyListAdapter(this));    }    private class MyListAdapter extends BaseAdapter {        public MyListAdapter(Context context) {            mContext = context;        }        public int getCount() {            return mStrings.length;        }        @Override        public boolean areAllItemsEnabled() {            return false;        }        @Override        public boolean isEnabled(int position) {            return !mStrings[position].startsWith("-");        }        public Object getItem(int position) {            return position;        }        public long getItemId(int position) {            return position;        }        public View getView(int position, View convertView, ViewGroup parent) {            TextView tv;            if (convertView == null) {                tv = (TextView) LayoutInflater.from(mContext).inflate(                        android.R.layout.simple_expandable_list_item_1, parent, false);            } else {                tv = (TextView) convertView;            }            tv.setText(mStrings[position]);            return tv;        }        private Context mContext;    }        private String[] mStrings = {            "----------",            "----------",            "Abbaye de Belloc",            "Abbaye du Mont des Cats",            "Abertam",            "----------",            "Abondance",            "----------",            "Ackawi",            "Acorn",            "Adelost",            "Affidelice au Chablis",            "Afuega'l Pitu",            "Airag",            "----------",            "Airedale",            "Aisy Cendre",            "----------",            "Allgauer Emmentaler",            "Alverca",            "Ambert",            "American Cheese",            "Ami du Chambertin",            "----------",            "----------",            "Anejo Enchilado",            "Anneau du Vic-Bilh",            "Anthoriro",            "----------",            "----------"    };}