安卓项目SimpleQQ——QQ空间说说时光轴设计

完整项目介绍看这里：安卓项目SimpleQQ概述，可下载源码。

单条说说：qzone_time_item.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:orientation="horizontal"android:layout_width="match_parent"android:layout_height="75dp"><!--线条部分--><LinearLayout
            android:layout_width="wrap_content"android:layout_height="match_parent"android:gravity="center_horizontal"android:orientation="vertical"android:paddingLeft="30dp"><View
                android:layout_width="3dp"android:layout_height="20dp"android:background="@color/colorPrimary" /><ImageView
                android:layout_width="15dp"android:layout_height="15dp"android:background="@drawable/timeicon" /><View
                android:layout_width="3dp"android:layout_height="40dp"android:background="@color/colorPrimary" /></LinearLayout><!--文字部分--><LinearLayout
            android:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"android:paddingLeft="30dp"android:paddingRight="30dp"android:paddingTop="20dp"><TextView
                android:id="@+id/tv_time"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="2016-05-03 00:22:36"android:textColor="#ABABAB" /><TextView
                android:id="@+id/tv_content"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="~~~OO空间，说点什么吧......"android:layout_below="@id/tv_time"android:textColor="#FF2C4250" /></LinearLayout></LinearLayout>

QQ空间布局：activity_qzone.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:orientation="vertical"android:layout_width="match_parent"android:layout_height="match_parent"><android.support.design.widget.TextInputLayout
            android:layout_width="match_parent"android:layout_height="wrap_content"><TextView
                android:layout_width="fill_parent"android:layout_height="wrap_content"android:textAppearance="?android:attr/textAppearanceMedium"android:textColor="#fff"android:background="@color/colorPrimary"android:text="\nQQ空间，分享生活，留住感动~~\n"android:id="@+id/textView2"/></android.support.design.widget.TextInputLayout><!--QQ空间主布局--><ListView
            android:id="@+id/lv"android:layout_width="wrap_content"android:layout_height="wrap_content"android:divider="@null"android:listSelector="@android:color/transparent" /></LinearLayout>

QQ空间：QzoneActivity

package com.example.yangenneng0.myapplication.viewUI;import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.widget.ListView;
import com.example.yangenneng0.myapplication.R;
import com.example.yangenneng0.myapplication.adapter.MoodAdapter;
import com.example.yangenneng0.myapplication.dao.MoodDAO;
import com.example.yangenneng0.myapplication.model.MoodEntity;import java.util.ArrayList;
import java.util.List;/*** User: yangenneng* DateTime: 2016/12/13 19:09* Description:历史时间轴*/
public class QzoneActivity  extends FragmentActivity {private ListView lv;            //QQ说说视图private MoodAdapter adapter;    //QQ说说适配器private List<MoodEntity> list;  //QQ说说列表@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_qzone);lv = (ListView) findViewById(R.id.lv);//QQ说说ListViewlist =new ArrayList<>();//list.add(new MoodEntity("2016-12-13 19:13:50","今天心情怎么样~~~"));//list.add(new MoodEntity("2016-12-13 19:21:50","今天上了计算机网络课程..."));//list.add(new MoodEntity("2016-12-13 19:33:50","计算机组成原理实验报告还没写"));//list.add(new MoodEntity("2016-12-13 19:45:50","安卓作业要交了！！！"));//list.add(new MoodEntity("2016-12-13 19:59:50","嵌入式要怎么考试啊？？？"));//list.add(new MoodEntity("2016-12-13 20:03:50","我的QQ基础版本快要完成了，哈哈"));//list.add(new MoodEntity("2016-12-13 20:05:50","之后增加服务器版........."));//list.add(new MoodEntity("2016-12-13 20:08:50",".NET项目还没完成呢！"));//list.add(new MoodEntity("2016-12-13 20:10:52","假期去哪玩呢？"));//list.add(new MoodEntity("2016-12-13 20:15:53","无语....无语...."));//list.add(new MoodEntity("2016-12-13 20:23:15","好久没看Java啦"));//list.add(new MoodEntity("2016-12-13 20:44:40","哈哈哈，分享生活！！"));list=MoodDAO.getmoodEntityArrayList();adapter = new MoodAdapter(this,list);lv.setAdapter(adapter);}}

说说实体类MoodEntity

package com.example.yangenneng0.myapplication.model;import com.example.yangenneng0.myapplication.utils.APPglobal;/*** User: yangenneng* DateTime: 2016/12/13 19:57* Description:说说实体类*/
public class MoodEntity {private String content;//说说内容private String time;   //说说发布时间private String person;//发布者姓名public MoodEntity(){}public MoodEntity(String content, String time) {this.content = content;this.time = time;this.person= APPglobal.NAME;//获取当前登陆的用户姓名//this.person=APPglobal.readFromPre();}public MoodEntity(String content, String time,String personname) {this.person=personname;this.content = content;this.time = time;}public String getContent() {return content;}public void setContent(String content) {this.content = content;}public String getTime() {return time;}public void setTime(String time) {this.time = time;}public String getPerson() {return person;}public void setPerson(String person) {this.person = person;}
}

QQ说说数据访问对象MoodDAO

package com.example.yangenneng0.myapplication.dao;import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import com.example.yangenneng0.myapplication.db.DbConnection;
import com.example.yangenneng0.myapplication.model.MoodEntity;import java.util.ArrayList;/*** User: yangenneng* DateTime: 2016/12/17 17:48* Description:QQ说说数据访问对象*/
public class MoodDAO {private static ArrayList<MoodEntity> moodEntityArrayList=null;//保存说说数据//获取所有说说public static ArrayList<MoodEntity> getmoodEntityArrayList(){if(null==moodEntityArrayList){synchronized ( MoodDAO.class ){if(null==moodEntityArrayList){moodEntityArrayList=new ArrayList<MoodEntity>();}}//把数据库中已有的数据拿出来DbConnection connection=new DbConnection();SQLiteDatabase db=connection.getConnection();Cursor cursor=db.query("tb_mood",null,null,null,null,null,null);while ( cursor.moveToNext() ){int contentnum=cursor.getColumnIndex("content");int timenum=cursor.getColumnIndex("time");int personnum=cursor.getColumnIndex("person");String content=cursor.getString(contentnum);String time=cursor.getString(timenum);String person=cursor.getString(personnum);MoodEntity moodEntity=new MoodEntity(content,time,person);moodEntityArrayList.add(moodEntity);cursor.moveToNext();}}return moodEntityArrayList;}/*** 插入说说* @param moodEntity* @return*/public boolean insert(MoodEntity moodEntity){if(moodEntityArrayList==null){getmoodEntityArrayList();}try {moodEntityArrayList.add(moodEntity);DbConnection conn=new DbConnection();SQLiteDatabase db=conn.getConnection();String sql="insert into tb_mood(content,time,person) values('"+moodEntity.getContent()+"','"+moodEntity.getTime()+"','"+moodEntity.getPerson()+"')";db.execSQL(sql);db.close();return true;}catch ( Exception e ){return false;}}}

QQ说说适配器：MoodAdapter

package com.example.yangenneng0.myapplication.adapter;import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
import com.example.yangenneng0.myapplication.R;
import com.example.yangenneng0.myapplication.model.MoodEntity;import java.util.List;/*** User: yangenneng* DateTime: 2016/12/13 19:58* Description:说说适配器*/
public class MoodAdapter extends BaseAdapter {//数据private List<MoodEntity> list;          //说说列表private LayoutInflater mInflater;public MoodAdapter(Context context, List<MoodEntity> list) {this.list = list;mInflater = LayoutInflater.from(context);}@Overridepublic int getCount() {return list.size();}@Overridepublic Object getItem(int position) {return list.get(position);}@Overridepublic long getItemId(int position) {return position;}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {if (convertView == null) {convertView = mInflater.inflate(R.layout.qzone_time_item, null);}ViewHolder holder = getViewHolder(convertView);MoodEntity kd = list.get(position);holder.tv_content.setText("["+kd.getPerson()+"] 说:"+kd.getContent());//作者+内容holder.tv_time.setText(kd.getTime());return convertView;}/*** 获得控件管理对象* @param view* @return*/private ViewHolder getViewHolder(View view) {ViewHolder holder = (ViewHolder) view.getTag();if (holder == null) {holder = new ViewHolder(view);view.setTag(holder);}return holder;}/*** 控件管理类*/private class ViewHolder {private TextView tv_content, tv_time;ViewHolder(View view) {tv_content = (TextView) view.findViewById(R.id.tv_content);tv_time = (TextView) view.findViewById(R.id.tv_time);}}
}

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