1.介绍：
本博客使用XListView模仿Android版QQ好友动态的ListView效果。效果截图例如以下：
效果图1
效果图2
这里面主要涉及的是ListView的布局问题，让我们看一下Item的布局文件吧。
<?xml version="1.0" encoding="utf-8"?
>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/contacts_items"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#ffffff"
android:orientation="vertical" >
<View
android:id="@+id/topLine"
android:layout_width="fill_parent"
android:layout_height="1dp"
android:background="#ffcccccc" />
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="10dp"
android:layout_marginTop="10dp"
android:orientation="horizontal" >
<ImageView
android:id="@+id/imgHead"
android:layout_width="40dp"
android:layout_height="40dp"
android:layout_marginLeft="5dp"
android:layout_marginTop="5dp"
android:src="@drawable/ic_launcher" />
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="5dp"
android:orientation="vertical" >
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="2dp" >
<TextView
android:id="@+id/tvName"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_centerVertical="true"
android:layout_gravity="center_vertical"
android:singleLine="true"
android:text="Tom"
android:textSize="16.0sp" />
<TextView
android:id="@+id/tvDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:layout_marginRight="0.2dip"
android:layout_marginTop="0dip"
android:ellipsize="end"
android:singleLine="true"
android:text="13:32"
android:textColor="#ffcccccc"
android:textSize="12sp" />
</RelativeLayout>
<TextView
android:id="@+id/tvContent"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:paddingBottom="5dp"
android:paddingTop="5dp"
android:text="Hello world"
android:textSize="14sp" >
</TextView>
<ImageView
android:id="@+id/ivPhoto"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
android:gravity="center"
android:visibility="gone" />
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5dp" >
<ImageView
android:id="@+id/ivAddress"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_centerVertical="true"
android:paddingLeft="2dp"
android:src="@drawable/qzone_address_icon"
android:visibility="gone" />
<TextView
android:id="@+id/tvAddress"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_toRightOf="@id/ivAddress"
android:paddingLeft="5dp"
android:textSize="10sp"
android:visibility="gone" />
</RelativeLayout>
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5dp" >
<ImageView
android:id="@+id/ivPhone"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_centerVertical="true"
android:gravity="center"
android:src="@drawable/status_phone" >
</ImageView>
<TextView
android:id="@+id/tvPhonemodel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_toRightOf="@id/ivPhone"
android:paddingLeft="3dp"
android:text="Nexus 5"
android:textSize="10sp" />
<TextView
android:id="@+id/tvComment"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:paddingLeft="2dp"
android:text="评论"
android:textSize="10sp" />
<ImageView
android:id="@+id/ivComment"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_toLeftOf="@id/tvComment"
android:gravity="center"
android:paddingLeft="20dp"
android:src="@drawable/qzone_picviewer_bottom_comment_icon" >
</ImageView>
<TextView
android:id="@+id/tvAgree"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_toLeftOf="@id/ivComment"
android:text="赞"
android:textSize="10sp" />
<ImageView
android:id="@+id/ivAgree"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_toLeftOf="@id/tvAgree"
android:gravity="center"
android:src="@drawable/qzone_picviewer_bottom_unpraise_icon" >
</ImageView>
</RelativeLayout>
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5dp" >
<ImageView
android:id="@+id/ivAgreeShow"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_centerVertical="true"
android:contentDescription="@string/app_name"
android:paddingLeft="2dp"
android:src="@drawable/qzone_picviewer_bottom_praise_icon"
android:visibility="gone" />
<TextView
android:id="@+id/tvAgreeShow"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_toRightOf="@id/ivAgreeShow"
android:paddingLeft="5dp"
android:visibility="gone" />
</RelativeLayout>
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5dp" >
<TextView
android:id="@+id/tvComments"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:paddingLeft="5dp"
android:visibility="gone" />
</RelativeLayout>
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5dp" >
<Button
android:id="@+id/btnSendComment"
android:layout_width="wrap_content"
android:layout_height="15dp"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
android:background="#00000000"
android:focusable="false"
android:text="发送"
android:textSize="10sp"
android:visibility="gone" />
<Button
android:id="@+id/btnComment"
android:layout_width="fill_parent"
android:layout_height="15dp"
android:layout_alignParentLeft="true"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
android:layout_toLeftOf="@id/btnSendComment"
android:background="@drawable/btn_shape"
android:hint="Please input your comment..."
android:textSize="10sp" />
</RelativeLayout>
</LinearLayout>
</LinearLayout>
<View
android:id="@+id/lastLine"
android:layout_width="fill_parent"
android:layout_height="1dp"
android:background="#ff474745"
android:visibility="gone" />
</LinearLayout>
另外一个就是Adapter：
/*
* $filename: BaseAdapter1.java,v $
* $Date: 2014-4-27 $
* Copyright (C) ZhengHaibo, Inc. All rights reserved.
* This software is Made by Zhenghaibo.
*/
package edu.njupt.zhb.xlistviewtest;
import java.util.ArrayList;
import java.util.List;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Context;
import android.graphics.BitmapFactory;
import android.os.Build;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodManager;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.TextView;
/*
*@author: ZhengHaibo
*web: http://blog.csdn.net/nuptboyzhb
*mail: [email protected]
*2014-4-27 Nanjing,njupt,China
*/
@TargetApi(Build.VERSION_CODES.GINGERBREAD)
public class XBaseAdapter extends BaseAdapter {
private Context context;
private Activity activity;
private List<Model> listViewData;
private int layoutResId;// ListView每一个Item的布局文件
public XBaseAdapter(Context context, int layoutResId, Activity activity) {
this.context = context;
this.layoutResId = layoutResId;
listViewData = new ArrayList<Model>();
this.activity = activity;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
Model model = listViewData.get(position);
ViewItemHolder viewItemHolder = null;
if (convertView == null) {
convertView = LayoutInflater.from(context).inflate(layoutResId,
null);
viewItemHolder = new ViewItemHolder();
viewItemHolder.imgHead = (ImageView) convertView
.findViewById(R.id.imgHead);
viewItemHolder.tvName = (TextView) convertView
.findViewById(R.id.tvName);
viewItemHolder.tvDate = (TextView) convertView
.findViewById(R.id.tvDate);
viewItemHolder.tvContent = (TextView) convertView
.findViewById(R.id.tvContent);
viewItemHolder.ivPhoto = (ImageView) convertView
.findViewById(R.id.ivPhoto);
viewItemHolder.ivAddress = (ImageView) convertView
.findViewById(R.id.ivAddress);
viewItemHolder.tvAddress = (TextView) convertView
.findViewById(R.id.tvAddress);
viewItemHolder.tvPhonemodel = (TextView) convertView
.findViewById(R.id.tvPhonemodel);
viewItemHolder.ivAgree = (ImageView) convertView
.findViewById(R.id.ivAgree);
viewItemHolder.ivComment = (ImageView) convertView
.findViewById(R.id.ivComment);
viewItemHolder.tvComment = (TextView) convertView
.findViewById(R.id.tvComment);
viewItemHolder.ivAgreeShow = (ImageView) convertView
.findViewById(R.id.ivAgreeShow);
viewItemHolder.tvAgreeShow = (TextView) convertView
.findViewById(R.id.tvAgreeShow);
viewItemHolder.btnComment = (Button) convertView
.findViewById(R.id.btnComment);
viewItemHolder.tvComments = (TextView) convertView
.findViewById(R.id.tvComments);
convertView.setTag(viewItemHolder);
} else {
viewItemHolder = (ViewItemHolder) convertView.getTag();
}
viewItemHolder.imgHead.setImageBitmap(BitmapFactory.decodeResource(
context.getResources(), model.getImgHead()));
viewItemHolder.tvName.setText(model.getName());
viewItemHolder.tvDate.setText(model.getDate());
viewItemHolder.tvContent.setText(model.getContent());
if (model.getType() == FinalVar.MSG_IMAGE) {// 图片资源
viewItemHolder.ivPhoto.setImageResource(R.drawable.pic_screen);
viewItemHolder.ivPhoto.setVisibility(View.VISIBLE);
} else {
viewItemHolder.ivPhoto.setVisibility(View.GONE);
}
if (!model.getAddress().isEmpty()) {
viewItemHolder.ivAddress.setVisibility(View.VISIBLE);
viewItemHolder.tvAddress.setVisibility(View.VISIBLE);
viewItemHolder.tvAddress.setText(model.getAddress());
} else {
viewItemHolder.ivAddress.setVisibility(View.GONE);
viewItemHolder.tvAddress.setVisibility(View.GONE);
}
viewItemHolder.tvPhonemodel.setText(model.getPhonemodel());
viewItemHolder.ivAgree
.setOnClickListener(new ListViewButtonOnClickListener(position));
if (model.isAgree()) {
viewItemHolder.ivAgree
.setImageResource(R.drawable.qzone_picviewer_bottom_praise_icon);
} else {
viewItemHolder.ivAgree
.setImageResource(R.drawable.qzone_picviewer_bottom_unpraise_icon);
}
viewItemHolder.ivAgree.setFocusable(false);
if (null != model.getAgreeShow() && model.getAgreeShow().size() > 0) {
viewItemHolder.ivAgreeShow.setVisibility(View.VISIBLE);
viewItemHolder.tvAgreeShow.setVisibility(View.VISIBLE);
viewItemHolder.tvAgreeShow.setText(model.getAgreeShow().toString()
+ "认为非常赞！
");
} else {
viewItemHolder.ivAgreeShow.setVisibility(View.GONE);
viewItemHolder.tvAgreeShow.setVisibility(View.GONE);
}
viewItemHolder.ivComment
.setOnClickListener(new ListViewButtonOnClickListener(position));
viewItemHolder.ivComment.setFocusable(false);
viewItemHolder.tvComment
.setOnClickListener(new ListViewButtonOnClickListener(position));
viewItemHolder.btnComment
.setOnClickListener(new ListViewButtonOnClickListener(position));
viewItemHolder.btnComment.setFocusable(false);
if (null != model.getComments() && model.getComments().size() > 0) {
viewItemHolder.tvComments.setVisibility(View.VISIBLE);
String string = "";
for (String comment : model.getComments()) {
string += comment + "\n";
}
viewItemHolder.tvComments.setText(string);
} else {
viewItemHolder.tvComments.setVisibility(View.GONE);
}
return convertView;
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return listViewData.get(position);
}
@Override
public int getCount() {
// TODO Auto-generated method stub
if (null == listViewData) {
return 0;
}
return listViewData.size();
}
/**
* 加入一条记录
*
* @param model
*/
public void addModel(Model model) {
listViewData.add(model);
}
/**
* 加入一条记录
*
* @param model
* @param insertHead
* true:插入在头部
*/
public void addModel(Model model, boolean insertHead) {
if (insertHead) {
listViewData.add(0, model);
} else {
listViewData.add(model);
}
}
/**
* 获取一条记录
*
* @param i
* @return
*/
public Model getModel(int i) {
if (i < 0 || i > listViewData.size() - 1) {
return null;
}
return listViewData.get(i);
}
/**
* 清除全部数据
*/
public void clear() {
listViewData.clear();
}
class ViewItemHolder {
ImageView imgHead;
TextView tvName;
TextView tvDate;
TextView tvContent;
ImageView ivPhoto;
ImageView ivAddress;
TextView tvAddress;
ImageView ivAgree;
TextView tvPhonemodel;
ImageView ivComment;
TextView tvComment;
ImageView ivAgreeShow;
TextView tvAgreeShow;
Button btnComment;
TextView tvComments;
}
class ListViewButtonOnClickListener implements OnClickListener {
private int position;// 记录ListView中Button所在的Item的位置
public ListViewButtonOnClickListener(int position) {
this.position = position;
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.ivAgree:
ImageView ivAgree = (ImageView) v;
Model model = listViewData.get(position);
List<String> agreeShow = model.getAgreeShow();
if (null == agreeShow || agreeShow.size() <= 0) {
agreeShow = new ArrayList<String>();
}
if (model.isAgree()) {
agreeShow.remove("我");
ivAgree.setImageResource(R.drawable.qzone_picviewer_bottom_unpraise_icon);
} else {
agreeShow.add("我");
ivAgree.setImageResource(R.drawable.qzone_picviewer_bottom_praise_icon);
}
model.setAgree(!model.isAgree());
model.setAgreeShow(agreeShow);
notifyDataSetChanged();
// Toast.makeText(context, "你点了赞", Toast.LENGTH_SHORT).show();
break;
case R.id.ivComment:
case R.id.tvComment:
case R.id.btnComment:
InputMethodManager imm = (InputMethodManager) v.getContext()
.getSystemService(Context.INPUT_METHOD_SERVICE);
imm.toggleSoftInput(0, InputMethodManager.SHOW_FORCED);
Model model1 = listViewData.get(position);
String nikename = model1.getName();
activity.findViewById(R.id.etComment).setVisibility(
View.VISIBLE);
activity.findViewById(R.id.btnSendComment).setVisibility(
View.VISIBLE);
((EditText) activity.findViewById(R.id.etComment)).setHint("@"
+ nikename);
activity.findViewById(R.id.etComment).setFocusable(true);
activity.findViewById(R.id.btnSendComment).setOnClickListener(
new ListViewButtonOnClickListener(position));
break;
case R.id.btnSendComment:
Model mdl = listViewData.get(position);
List<String> commentsList = mdl.getComments();
String commentString = ((EditText) activity
.findViewById(R.id.etComment)).getEditableText()
.toString();
if (null == commentsList || commentsList.size() <= 0) {
commentsList = new ArrayList<String>();
}
commentsList.add(commentString);
mdl.setComments(commentsList);
notifyDataSetChanged();
((EditText) activity.findViewById(R.id.etComment)).setText("");
activity.findViewById(R.id.etComment).setVisibility(View.GONE);
activity.findViewById(R.id.btnSendComment).setVisibility(
View.GONE);
InputMethodManager imm2 = (InputMethodManager) v.getContext()
.getSystemService(Context.INPUT_METHOD_SERVICE);
imm2.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS);
break;
default:
break;
}
}
}
}
整个项目的源码：https://github.com/nuptboyzhb/XListViewQzone
时间： 2024-07-28 18:40:38