最近些一个名片夹得app。其中名片夹客户要求做成可折叠伸缩的效果，真是费了好大劲啊~~~啥都不说了看效果图吧~~
package com.cards.activity;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import android.app.ListActivity;import android.content.Context;import android.graphics.Color;import android.os.Bundle;import android.util.Log;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.AbsListView;import android.widget.AbsListView.OnScrollListener;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.BaseAdapter;import android.widget.LinearLayout;import android.widget.RelativeLayout;import android.widget.TextView;import com.cards.R;public class CardsListAct extends ListActivity implements OnScrollListener, OnItemClickListener { private static String LAYOUT_INFLATER_SERVICE = Context.LAYOUT_INFLATER_SERVICE; public static final String TV_CARDS_NAME = "tv_cards_name"; public static final String TV_CARDS_PHONENUMINFO = "tv_cards_phoneNumInfo"; public static final String TV_CARDS_ADDRESSINFO = "tv_cards_addressInfo"; public static final String TV_CARDS_MAILINFO = "tv_cards_mailInfo"; public static final String TV_CARDS_OTHERINFO = "tv_cards_otherInfo"; public static final String TV_CARD_NAME = "tv_card_name"; private LayoutInflater mInflater; private FlexListAdapter adapter; private List<Map<String, String>> contentDefileList; private boolean[] isCurrentItems; protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mInflater = (LayoutInflater) this .getSystemService(LAYOUT_INFLATER_SERVICE); init(); setListAdapter(adapter); getListView().setBackgroundColor(Color.WHITE); getListView().setCacheColorHint(Color.TRANSPARENT); getListView().setDivider( getResources().getDrawable(R.color.transparent)); getListView().setSelector(R.drawable.work_detail_click_bg); getListView().setOnScrollListener(this); getListView().setOnItemClickListener(this); } /** * 初始化数据 */ private void init() { contentDefileList = new ArrayList<Map<String, String>>(); Map<String, String> contentDefile = new HashMap<String, String>(); contentDefile.put(TV_CARDS_NAME, "张三"); contentDefile.put(TV_CARD_NAME, "张三"); contentDefile.put(TV_CARDS_PHONENUMINFO, "13933333333"); contentDefile.put(TV_CARDS_ADDRESSINFO, "保定市高开区朝阳北大街866号(保百购物广场南侧)"); contentDefile.put(TV_CARDS_MAILINFO, "[email protected]"); contentDefile.put(TV_CARDS_OTHERINFO, "部门经理"); Map<String, String> contentDefile_1 = new HashMap<String, String>(); contentDefile_1.put(TV_CARDS_NAME, "李四"); contentDefile_1.put(TV_CARD_NAME, "李四"); contentDefile_1.put(TV_CARDS_PHONENUMINFO, "13933333333"); contentDefile_1.put(TV_CARDS_ADDRESSINFO, "保定市高开区朝阳北大街866号(保百购物广场南侧)"); contentDefile_1.put(TV_CARDS_MAILINFO, "[email protected]"); contentDefile_1.put(TV_CARDS_OTHERINFO, "经理"); Map<String, String> contentDefile_2 = new HashMap<String, String>(); contentDefile_2.put(TV_CARDS_NAME, "王五"); contentDefile_2.put(TV_CARD_NAME, "王五"); contentDefile_2.put(TV_CARDS_PHONENUMINFO, "13933333333"); contentDefile_2.put(TV_CARDS_ADDRESSINFO, "hfdkajshfkadsjflkajsdlkf"); contentDefile_2.put(TV_CARDS_MAILINFO, "[email protected]"); contentDefile_2.put(TV_CARDS_OTHERINFO, "经理"); Map<String, String> contentDefile_3 = new HashMap<String, String>(); contentDefile_3.put(TV_CARDS_NAME, "vvv"); contentDefile_3.put(TV_CARD_NAME, "vvv"); contentDefile_3.put(TV_CARDS_PHONENUMINFO, "13933333333"); contentDefile_3.put(TV_CARDS_ADDRESSINFO, "hfdkajshfkadsjflkajsdlkf"); contentDefile_3.put(TV_CARDS_MAILINFO, "[email protected]"); contentDefile_3.put(TV_CARDS_OTHERINFO, "设计师"); Map<String, String> contentDefile_5 = new HashMap<String, String>(); contentDefile_5.put(TV_CARDS_NAME, "bbb"); Map<String, String> contentDefile_6 = new HashMap<String, String>(); contentDefile_6.put(TV_CARDS_NAME, "ccc"); contentDefile_6.put(TV_CARD_NAME, "ccc"); Map<String, String> contentDefile_7 = new HashMap<String, String>(); contentDefile_7.put(TV_CARDS_NAME, "ddd"); contentDefile_7.put(TV_CARD_NAME, "ddd"); Map<String, String> contentDefile_4 = new HashMap<String, String>(); contentDefile_4.put(TV_CARDS_NAME, "aaa"); contentDefile_4.put(TV_CARD_NAME, "aaa"); contentDefileList.add(contentDefile); contentDefileList.add(contentDefile_1); contentDefileList.add(contentDefile_2); contentDefileList.add(contentDefile_3); contentDefileList.add(contentDefile_4); contentDefileList.add(contentDefile_6); contentDefileList.add(contentDefile_7); isCurrentItems = new boolean[contentDefileList.size()]; for (int i = 0; i < isCurrentItems.length; i++) { isCurrentItems[i] = false; } Log.w("TAG", "AutoLoadActivity init() =========>>>>>> come in."); adapter = new FlexListAdapter(); } public void onScroll(AbsListView v, int i, int j, int k) { } public void onScrollStateChanged(AbsListView v, int state) { if (state == OnScrollListener.SCROLL_STATE_IDLE) { } } @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { if (isCurrentItems[position]) { isCurrentItems[position] = false; } else { isCurrentItems[position] = true; } // 即时刷新 adapter.notifyDataSetChanged(); } class FlexListAdapter extends BaseAdapter { int count = contentDefileList.size(); public int getCount() { return count; } public Object getItem(int pos) { return pos; } public long getItemId(int pos) { return pos; } public View getView(int pos, View v, ViewGroup p) { FlexLinearLayout view = null; if (null == v) { view = new FlexLinearLayout(CardsListAct.this, contentDefileList.get(pos), pos, false); } else { view = (FlexLinearLayout) v; view.setWorkTitleLayout(contentDefileList.get(pos), pos, isCurrentItems[pos]); } return view; } } public class FlexLinearLayout extends LinearLayout { public static final int BULE = 0xFF3D8CB8; private LinearLayout layout; private RelativeLayout rlName; private RelativeLayout llCards; private TextView tvCardsPhoneNumInfo; private TextView tvCardsAddressInfo; private TextView tvCardsMailInfo; private TextView tvCardsOtherInfo; private TextView tvCardsName; private TextView tvCardName; /** * 创建一个带有伸缩效果的LinearLayout * * @param context * @param contextDefail * 内容详细 * @param position * 该列所在列表的位置 * @param isCurrentItem * 是否为伸展 */ public FlexLinearLayout(Context context, final Map<String, String> contextDefail, final int position, boolean isCurrentItem) { super(context); layout = (LinearLayout) mInflater.inflate(R.layout.act_cards_list, null); rlName = (RelativeLayout) layout.findViewById(R.id.rl_name); llCards = (RelativeLayout) layout.findViewById(R.id.ll_cards); tvCardsPhoneNumInfo = (TextView) layout .findViewById(R.id.tv_cards_phoneNumInfo); tvCardsName = (TextView) layout.findViewById(R.id.tv_cards_name); tvCardName = (TextView) layout.findViewById(R.id.tv_card_name); tvCardsAddressInfo = (TextView) layout .findViewById(R.id.tv_cards_addressInfo); tvCardsMailInfo = (TextView) layout .findViewById(R.id.tv_cards_mailInfo); tvCardsOtherInfo = (TextView) layout .findViewById(R.id.tv_cards_otherInfo); this.addView(layout); setWorkTitleLayout(contextDefail, position, isCurrentItem); } /** * 设置该列的状态及样式 * * @param contentDefail * 内容详细 * @param position * 该列所在列表的位置 * @param isCurrentItem * 是否为伸展 */ public void setWorkTitleLayout(final Map<String, String> contentDefail, final int position, boolean isCurrentItem) { rlName.setBackgroundResource((position % 2 == 1) ? R.drawable.title_1 : R.drawable.title_2); tvCardsName.setText(contentDefail.get(TV_CARDS_NAME)); tvCardsName.setTextColor((position % 2 == 0) ? BULE : Color.WHITE); if (isCurrentItem) { Log.d("TAG", "isCurrentItem ============>>>>>>>>> " + position); tvCardsPhoneNumInfo.setText("电话:" + contentDefail.get(TV_CARDS_PHONENUMINFO)); tvCardsMailInfo.setText("邮箱:" + contentDefail.get(TV_CARDS_MAILINFO)); tvCardsAddressInfo.setText("地址:" + contentDefail.get(TV_CARDS_ADDRESSINFO)); tvCardsOtherInfo.setText(contentDefail.get(TV_CARDS_OTHERINFO)); tvCardName.setText(contentDefail.get(TV_CARD_NAME)); } llCards.setVisibility(isCurrentItem ? VISIBLE : GONE); } }}act_cards_list布局文件：
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="vertical" > <RelativeLayout android:id="@+id/rl_name" android:layout_width="fill_parent" android:layout_height="wrap_content" android:background="@color/transparent" > <TextView android:id="@+id/tv_cards_name" style="@style/cards_item_title" android:text="路人甲" /> </RelativeLayout> <RelativeLayout android:id="@+id/ll_cards" android:layout_width="fill_parent" android:layout_height="wrap_content" android:background="@drawable/iv_card_list_bg" android:orientation="vertical" > <LinearLayout android:id="@+id/ll_cards_name" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="20dip" > <TextView android:id="@+id/tv_card_name" style="@style/work_detail_row_style" android:text="路人甲" android:textSize="15sp" android:textStyle="bold" /> <TextView android:id="@+id/tv_mc_otherInfo" style="@style/work_detail_row_style" android:text="财务总监" android:textColor="@color/blue" android:textSize="10dp" /> </LinearLayout> <LinearLayout android:id="@+id/ll_cards_info" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/ll_cards_name" android:orientation="vertical" android:layout_marginTop="20dp"> <TextView android:id="@+id/tv_mc_phoneNum" style="@style/work_detail_row_style" android:text="18933333333" /> <TextView android:id="@+id/tv_mc_mail" style="@style/work_detail_row_style" android:text="[email protected]" /> <TextView android:id="@+id/tv_mc_addressInfo" style="@style/work_detail_row_style" android:layout_width="171dp" android:layout_centerInParent="true" android:text="保定市高开区朝阳北大街866号(保百购物广场南侧)" /> </LinearLayout></RelativeLayout></LinearLayout>