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