适用于Android开发的简单聊天软件

package com.farina.farinaimagelib; import android.content.Context;import android.content.res.TypedArray;import android.graphics.Bitmap;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.graphics.Path;import android.graphics.PorterDuff;import android.graphics.PorterDuffXfermode;import android.graphics.RectF;import android.graphics.Xfermode;import android.graphics.drawable.Drawable;import android.graphics.drawable.NinePatchDrawable;import android.util.AttributeSet;import android.widget.ImageView; /** * Created by FarinaZhang on 2016/5/25. */public class ViaImageView extends ImageView { private int shapeType=-1; private int borderWidth=0; //the image 's border width private int borderColor= Color.BLACK; //the image 's border color private boolean useDefaultStyle =false; //draw a common imageview private static final Xfermode MASK_XFERMODE; private int AnimType=-1; //动画类型 private int mWidth; //图片的宽度 private int mHeight; //图片的高度  static { PorterDuff.Mode localMode = PorterDuff.Mode.DST_IN; MASK_XFERMODE = new PorterDuffXfermode(localMode); }  public static enum Shape {circle,triangle,star,hexagonal,rectangle};  public ViaImageView(Context context){ super(context); init(context, null, 0); } public ViaImageView(Context context, AttributeSet attrs){ super(context, attrs); init(context, attrs, 0); } public ViaImageView(Context context,AttributeSet attrs,int defStyle){ super(context, attrs, defStyle); init(context, attrs, defStyle); }  public void init(Context context,AttributeSet attrs,int defStyle){   if(attrs!=null){  TypedArray a = getContext().obtainStyledAttributes(   attrs,R.styleable.viaImage, defStyle, 0);  shapeType = (int)a.getInteger(R.styleable.viaImage_shapeType,shapeType);  borderWidth=(int)a.getDimension(R.styleable.viaImage_borderWidth,borderWidth);  borderColor = a.getColor(R.styleable.viaImage_borderColor, borderColor);   a.recycle();  } }  /** *外部接口 *设置ImageView的属性，包括形状，边框颜色，边框宽度 **/ public void setImageViewProperty(int shapeType,int width,int color){ this.shapeType = shapeType; this.borderWidth = width; this.borderColor = color;  postInvalidate(); }  public void setImageViewShape(int shapeType){ this.shapeType = shapeType;  postInvalidate(); }  public void setImageBorderWidth(int width){ this.borderWidth = width; postInvalidate(); } public void setImageBorderColor(int color){ this.borderColor = color; postInvalidate(); }   /** 外部接口 * 设置是否以默认格式绘制，普通格式 */ public void setDrawCommonImage(boolean isCommon){ this.useDefaultStyle=isCommon; }  @Override protected void onDraw(Canvas canvas){ if(useDefaultStyle){  super.onDraw(canvas);  return; } final Drawable localDrawable=getDrawable(); if(localDrawable==null)return; if(localDrawable instanceof NinePatchDrawable)return;  mWidth=getWidth(); mHeight=getHeight();  int layer=canvas.saveLayer(0.0f,0.0f,mWidth,mHeight,null,Canvas.ALL_SAVE_FLAG); localDrawable.setBounds(0,0,mWidth,mHeight); /*将drawable绑定到bitmap（this.mask）上面（drawable 只能通过bitmap显示出来）*/ localDrawable.draw(canvas);  createShapeBitmap(canvas);  /*将画布复制到layer上*/ canvas.restoreToCount(layer);  if(borderWidth!=0){  drawBorder(canvas); }  } private void createShapeBitmap(Canvas canvas){ Paint mypaint;  mypaint = new Paint(); mypaint.setFilterBitmap(false); mypaint.setAntiAlias(true); mypaint.setXfermode(MASK_XFERMODE);   Bitmap.Config localConfig=Bitmap.Config.ARGB_8888;  Bitmap localBitmap=Bitmap.createBitmap(mWidth,mHeight,localConfig);  Canvas localCanvas=new Canvas(localBitmap);  Paint localPaint = new Paint();  localPaint.setAntiAlias(true);  int padding=borderWidth;  int radius = ((mWidth>mHeight)?mHeight:mWidth)/2-padding;   switch(shapeType){  case 0://圆形；  {   localCanvas.drawCircle(mWidth/2,mHeight/2, radius, localPaint);   break;  }  case 1://三角形；  {   Path path = new Path();   path.moveTo(padding, padding);   path.lineTo(mWidth / 2, (float)(mWidth*Math.cos(degree2Radian(30))-padding));   path.lineTo(mWidth-padding, padding);    path.close();   localCanvas.drawPath(path, localPaint);   break;  }  case 2://五角星形；  {   Path path = new Path();   float radian = degree2Radian(36);// 36为五角星的角度   float radius_in = (float) (radius * Math.sin(radian / 2) / Math    .cos(radian)); // 中间五边形的半径    path.moveTo((float) (radius * Math.cos(radian / 2)), 0);// 此点为多边形的起点   path.lineTo((float) (radius * Math.cos(radian / 2) + radius_in     * Math.sin(radian)),    (float) (radius - radius * Math.sin(radian / 2)));   path.lineTo((float) (radius * Math.cos(radian / 2) * 2),    (float) (radius - radius * Math.sin(radian / 2)));   path.lineTo((float) (radius * Math.cos(radian / 2) + radius_in     * Math.cos(radian / 2)),    (float) (radius + radius_in * Math.sin(radian / 2)));   path.lineTo(    (float) (radius * Math.cos(radian / 2) + radius     * Math.sin(radian)), (float) (radius + radius     * Math.cos(radian)));   path.lineTo((float) (radius * Math.cos(radian / 2)),    (float) (radius + radius_in));   path.lineTo(    (float) (radius * Math.cos(radian / 2) - radius     * Math.sin(radian)), (float) (radius + radius     * Math.cos(radian)));   path.lineTo((float) (radius * Math.cos(radian / 2) - radius_in     * Math.cos(radian / 2)),    (float) (radius + radius_in * Math.sin(radian / 2)));   path.lineTo(0, (float) (radius - radius * Math.sin(radian / 2)));   path.lineTo((float) (radius * Math.cos(radian / 2) - radius_in     * Math.sin(radian)),    (float) (radius - radius * Math.sin(radian / 2)));    path.close();// 使这些点构成封闭的多边形   localCanvas.drawPath(path, localPaint);   break;  }  case 3://正六边形；  {   Path path= new Path();   float radian = degree2Radian(30);   path.moveTo((float)(radius*Math.sin(radian)), 0);   path.lineTo((float)(radius*Math.sin(radian)+radius), 0);   path.lineTo((float)(2*radius), (float)(radius*Math.cos(radian)) );   path.lineTo((float)(radius*Math.sin(radian)+radius),(float)(2*(radius*Math.cos(radian))));   path.lineTo((float)(radius*Math.sin(radian)),(float)(2*(radius*Math.cos(radian))));   path.lineTo(0,(float)(radius*Math.cos(radian)));   path.close();   localCanvas.drawPath(path,localPaint);   break;  }  default://方形  {   int realWidth = (mWidth>mHeight)?mHeight:mWidth;   int x = padding +(mWidth-realWidth)/2;   int y = padding +(mHeight-realWidth)/2;   RectF localRectF=new RectF(x, y, realWidth-padding*2, realWidth-padding*2);   localCanvas.drawRect(localRectF, localPaint);   break;  }  }   /*将bitmap 画到canvas上*/ canvas.drawBitmap(localBitmap,0.0f,0.0f,mypaint); }  //画边框 private void drawBorder(Canvas canvas){ Paint localPaint = new Paint(); localPaint.setColor(borderColor); localPaint.setStyle(Paint.Style.STROKE); localPaint.setStrokeWidth(borderWidth); localPaint.setAntiAlias(true);  int radius=((mWidth>mHeight)?mHeight:mWidth)/2-borderWidth/2; int padding = borderWidth/2; switch(shapeType){  case 0://圆形；  {  canvas.drawCircle(mWidth/2, mHeight/2,radius,localPaint);  break;  }  case 1://三角形；  {  Path path = new Path();  path.moveTo(padding, padding);  path.lineTo(mWidth / 2, (float)(mWidth*Math.cos(degree2Radian(30))-padding));  path.lineTo(mWidth-padding, padding);   path.close();  canvas.drawPath(path, localPaint);  break;  }  case 2://五角星形；  {  Path path = new Path();  float radian = degree2Radian(36);// 36为五角星的角度  float radius_in = (float) (radius * Math.sin(radian / 2) / Math   .cos(radian)); // 中间五边形的半径   path.moveTo((float) (radius * Math.cos(radian / 2)), 0);// 此点为多边形的起点  path.lineTo((float) (radius * Math.cos(radian / 2) + radius_in    * Math.sin(radian)),   (float) (radius - radius * Math.sin(radian / 2)));  path.lineTo((float) (radius * Math.cos(radian / 2) * 2),   (float) (radius - radius * Math.sin(radian / 2)));  path.lineTo((float) (radius * Math.cos(radian / 2) + radius_in    * Math.cos(radian / 2)),   (float) (radius + radius_in * Math.sin(radian / 2)));  path.lineTo(   (float) (radius * Math.cos(radian / 2) + radius    * Math.sin(radian)), (float) (radius + radius    * Math.cos(radian)));  path.lineTo((float) (radius * Math.cos(radian / 2)),   (float) (radius + radius_in));  path.lineTo(   (float) (radius * Math.cos(radian / 2) - radius    * Math.sin(radian)), (float) (radius + radius    * Math.cos(radian)));  path.lineTo((float) (radius * Math.cos(radian / 2) - radius_in    * Math.cos(radian / 2)),   (float) (radius + radius_in * Math.sin(radian / 2)));  path.lineTo(0, (float) (radius - radius * Math.sin(radian / 2)));  path.lineTo((float) (radius * Math.cos(radian / 2) - radius_in    * Math.sin(radian)),   (float) (radius - radius * Math.sin(radian / 2)));   path.close();// 使这些点构成封闭的多边形  canvas.drawPath(path, localPaint);  break;  }  case 3://正六边形；  {  Path path= new Path();  float radian = degree2Radian(30);  path.moveTo((float)(radius*Math.sin(radian)), 0);  path.lineTo((float)(radius*Math.sin(radian)+radius), 0);  path.lineTo((float)(2*radius), (float)(radius*Math.cos(radian)) );  path.lineTo((float)(radius*Math.sin(radian)+radius),(float)(2*(radius*Math.cos(radian))));  path.lineTo((float)(radius*Math.sin(radian)),(float)(2*(radius*Math.cos(radian))));  path.lineTo(0,(float)(radius*Math.cos(radian)));  path.close();  canvas.drawPath(path,localPaint);  break;  }  default://方形  {  int realWidth = (mWidth>mHeight)?mHeight:mWidth-borderWidth;  int x = padding +(mWidth-realWidth)/2;  int y = padding +(mHeight-realWidth)/2;  RectF localRectF=new RectF(x, y, realWidth-padding*2, realWidth-padding*2);  canvas.drawRect(localRectF, localPaint);  break;  } } }  //将角度转化为弧度 private float degree2Radian(int degree) { // TODO Auto-generated method stub return (float) (Math.PI * degree / 180); }   }

package com.farina.adapter; import android.content.Context;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.BaseExpandableListAdapter;import android.widget.ImageView;import android.widget.TextView; import com.farina.data.FriendEntity;import com.farina.data.FriendListData;import com.farina.farinaimagelib.ViaImageView;import com.farina.libtest.R; import java.util.List; /** * Created by FarinaZhang on 2016/7/5. */public class ContactExpendListAdapter extends BaseExpandableListAdapter { private Context mContext; private List<FriendListData> mListData;   public ContactExpendListAdapter(Context context, List<FriendListData> data){ mContext = context; mListData = data; } @Override public int getGroupCount(){ return mListData.size(); } @Override public int getChildrenCount(int groupPosition){ return mListData.get(groupPosition).getFriendChildList().size(); } @Override public Object getGroup(int groupPosition){ return mListData.get(groupPosition).getGroupName(); } @Override public Object getChild(int groupPosition, int childPosition){ return mListData.get(groupPosition).getFriendChildList().get(childPosition); } @Override public long getGroupId(int groupPosition){ return groupPosition; } @Override public long getChildId(int groupPosition, int childPosition){ return childPosition; } @Override public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent){ groupHolder viewHolder =null; if(convertView == null){  convertView = LayoutInflater.from(mContext).inflate(R.layout.contact_list_group, null);  viewHolder = new groupHolder();  viewHolder.icon = (ImageView)convertView.findViewById(R.id.icon);  viewHolder.groupName = (TextView)convertView.findViewById(R.id.goup_name);  convertView.setTag(viewHolder); }else{  viewHolder = (groupHolder)convertView.getTag(); }  viewHolder.groupName.setText(mListData.get(groupPosition).getGroupName()); if(isExpanded){  viewHolder.icon.setImageResource(R.mipmap.arrow_down); }else{  viewHolder.icon.setImageResource(R.mipmap.arrow_up); }  return convertView; } @Override public View getChildView(int groupPosition, int childPosition, boolean isLastChild,    View convertView, ViewGroup parent){ memberHolder viewHolder = null; if(convertView == null){  convertView = LayoutInflater.from(mContext).inflate(R.layout.contact_list_member, null);   viewHolder= new memberHolder();  viewHolder.memberImg = (ViaImageView) convertView.findViewById(R.id.member_img);  viewHolder.memberName = (TextView)convertView.findViewById(R.id.member_name);  convertView.setTag(viewHolder); }else{  viewHolder =(memberHolder)convertView.getTag(); } FriendEntity entity= mListData.get(groupPosition).getFriendChildList().get(childPosition); String icnPath = entity.getIcnPath(); if(icnPath == null||icnPath.length()<=0) {  viewHolder.memberImg.setImageDrawable(mContext.getResources().getDrawable(R.mipmap.user_img)); } viewHolder.memberName.setText(entity.getName()); return convertView; } @Override public boolean isChildSelectable(int groupPosition,     int childPosition) { return true; }  @Override public boolean hasStableIds(){ return true; }  private class memberHolder{ ViaImageView memberImg; TextView memberName; } private class groupHolder{ ImageView icon; TextView groupName; } }

package com.farina.db; import android.content.ContentValues;import android.content.Context;import android.database.Cursor;import android.database.sqlite.SQLiteDatabase; import com.farina.data.FriendEntity;import com.farina.data.FriendListData;import com.farina.data.GroupEntity;import com.farina.data.MessageEntity;import com.farina.data.UserEntity; import java.util.ArrayList;import java.util.List; /** * Created by FarinaZhang on 2016/7/14. */public class ChatInfoManager { private Context mContext; private ChatDBhelper mDBHelper;  //table user string private final String USER_TABLE_NAME="users"; private final String USER_ID="id"; private final String USER_COUNT_NUMBER="countNumber"; private final String USER_NIKENAME="nikeName"; private final String USER_ICON_PATH="iconPath"; private final String USER_PHONE_NUMBER="phoneNumber"; private final String USER_MAIL_ADDR="mailAddr"; private final String USER_QQ_NUMBER="qqNumber"; private final String USER_WEIXIN_NUMBER="weixinNumber";  //table friends string private final String FRIEND_TABLE_NAME="friends"; private final String FRIEND_ID="id"; private final String FRIEND_HOST_ID="hostId"; private final String FRIEND_GROUP_ID="groupId"; private final String FRIEND_NAME="friendName"; private final String FRIEND_ICON_PATH="iconPath"; private final String FRIEND_BELIVE="beLive";  //table groups string private final String GROUP_TABLE_NAME="groups"; private final String GROUP_ID="id"; private final String GROUP_HOST_ID="hostId"; private final String GROUP_NAME="groupName";  //table messages string private final String MESSAGE_TABLE_NAME="messages"; private final String MESSAGE_ID="id"; private final String MESSAGE_MESSAGE="message"; private final String MESSAGE_FROM_ID="fromId"; private final String MESSAGE_TO_ID="toId"; private final String MESSAGE_READED="readed"; private final String MESSAGE_TYPE="type"; private final String MESSAGE_TIME="time";  public ChatInfoManager(Context context){ mContext = context; mDBHelper = ChatDBhelper.getInstance(mContext);  } public void addUser(UserEntity user){  SQLiteDatabase db = null; try {  db = mDBHelper.getWritableDatabase();  ContentValues values = new ContentValues();  values.put(USER_ID,user.getId());  values.put(USER_COUNT_NUMBER,user.getCountNumber());  values.put(USER_NIKENAME,user.getNikeName());  values.put(USER_ICON_PATH,user.getIconPath());  values.put(USER_PHONE_NUMBER,user.getPhoneNumber());  values.put(USER_MAIL_ADDR,user.getMailNumber());  values.put(USER_QQ_NUMBER,user.getQQNumber());  values.put(USER_WEIXIN_NUMBER,user.getWeixinNumber());  db.insert(USER_TABLE_NAME, null, values);  } catch (Exception e) {  e.printStackTrace();  // TODO: handle exception } finally {  db.close(); } }  public UserEntity getUserData(int index){ UserEntity user= new UserEntity(); SQLiteDatabase db =null; Cursor cursor = null;  try {  db = mDBHelper.getReadableDatabase();  cursor = db.query(USER_TABLE_NAME, null, USER_ID + "=" + index, null, null, null, null);  if (cursor != null) {  user.setId(index);  user.setCountNumber(cursor.getString(cursor.getColumnIndex(USER_COUNT_NUMBER)));  user.setNikeName(cursor.getString(cursor.getColumnIndex(USER_NIKENAME)));  user.setIconPath(cursor.getString(cursor.getColumnIndex(USER_ICON_PATH)));  user.setPhoneNumber(cursor.getString(cursor.getColumnIndex(USER_PHONE_NUMBER)));  user.setMailNumber(cursor.getString(cursor.getColumnIndex(USER_MAIL_ADDR)));  user.setQQNumber(cursor.getString(cursor.getColumnIndex(USER_QQ_NUMBER)));  user.setWeixinNumber(cursor.getString(cursor.getColumnIndex(USER_WEIXIN_NUMBER)));  } else {  return null;  } }catch (Exception e){  e.printStackTrace(); }finally{  db.close(); } return user; } public List<UserEntity> getUserList(){ List<UserEntity> list =new ArrayList<UserEntity>(); SQLiteDatabase db =null; Cursor cursor=null;  try{  db=mDBHelper.getReadableDatabase();  cursor=db.query(USER_TABLE_NAME,new String[]{USER_ID,USER_COUNT_NUMBER,USER_NIKENAME,USER_ICON_PATH},null,null,null,null,null);  if(cursor!=null){  while (cursor.moveToNext()) {   UserEntity user= new UserEntity();    user.setId(cursor.getInt(cursor.getColumnIndex(USER_ID)));   user.setCountNumber(cursor.getString(cursor.getColumnIndex(USER_COUNT_NUMBER)));   user.setNikeName(cursor.getString(cursor.getColumnIndex(USER_NIKENAME)));   user.setIconPath(cursor.getString(cursor.getColumnIndex(USER_ICON_PATH)));   list.add(user);  }  } }catch(Exception e){  e.printStackTrace(); }finally{  db.close(); } return list;  }  public void addFriend(FriendEntity friend){ SQLiteDatabase db=null;  try{  db=mDBHelper.getWritableDatabase();  if(db==null)return ;   ContentValues values = new ContentValues();  values.put(FRIEND_ID,friend.getId());  values.put(FRIEND_HOST_ID,friend.getHostId());  values.put(FRIEND_GROUP_ID,friend.getgroupId());  values.put(FRIEND_NAME,friend.getName());  values.put(FRIEND_ICON_PATH,friend.getIcnPath());  values.put(FRIEND_BELIVE,friend.getBeLive());   db.insert(FRIEND_TABLE_NAME,null,values); }catch(Exception e){  e.printStackTrace(); }finally {  db.close(); } }  public List<FriendListData> getFriendList(){ SQLiteDatabase db=null; List<FriendListData> friendList=new ArrayList<FriendListData>(); List<GroupEntity> groupList= getGroupList();  try{  db = mDBHelper.getWritableDatabase();  if (db == null) return null;  for(int i=0;i<groupList.size();i++) {  FriendListData friendGroup= new FriendListData();  String groupName = groupList.get(i).getName();  friendGroup.setGroupName(groupName);   List<FriendEntity> groupChild=new ArrayList<FriendEntity>();   Cursor cursor = db.query(FRIEND_TABLE_NAME, null, GROUP_NAME+"="+groupName, null, null, FRIEND_ID + "ASC", null);  while (cursor.moveToNext()) {   FriendEntity entity = new FriendEntity();   entity.setId(cursor.getInt(cursor.getColumnIndex(FRIEND_ID)));   entity.setgroupId(cursor.getInt(cursor.getColumnIndex(FRIEND_GROUP_ID)));   entity.setHostId(cursor.getInt(cursor.getColumnIndex(FRIEND_HOST_ID)));   entity.setName(cursor.getString(cursor.getColumnIndex(FRIEND_NAME)));   entity.setIcnPath(cursor.getString(cursor.getColumnIndex(FRIEND_ICON_PATH)));   String beLive = cursor.getString(cursor.getColumnIndex(FRIEND_BELIVE));   entity.setBeLive(beLive.equals("1"));   groupChild.add(entity);  }  friendGroup.setFriendChildList(groupChild);  friendList.add(friendGroup);  }  }catch(Exception e){  e.printStackTrace(); }finally {  db.close(); } return friendList; }  public List<GroupEntity> getGroupList(){ List<GroupEntity> groupList = null; SQLiteDatabase db=null;  try{  db= mDBHelper.getReadableDatabase();  Cursor cursor =db.query(GROUP_TABLE_NAME,null,null,null,null,null,null);  while(cursor.moveToNext()){  GroupEntity entity =new GroupEntity();  entity.setId(cursor.getInt(cursor.getColumnIndex(GROUP_ID)));  entity.setHostId(cursor.getInt(cursor.getColumnIndex(GROUP_HOST_ID)));  entity.setGroupName(cursor.getString(cursor.getColumnIndex(GROUP_NAME)));   groupList.add(entity);  } }catch(Exception e){  e.printStackTrace(); }finally{  db.close(); } return groupList; }  public void addGroupMember(GroupEntity group){ SQLiteDatabase db=null;  try{  db=mDBHelper.getWritableDatabase();  ContentValues values=new ContentValues();  values.put(GROUP_ID,group.getId());  values.put(GROUP_HOST_ID,group.getHostId());  values.put(GROUP_NAME,group.getName());  db.insert(GROUP_TABLE_NAME,null,values); }catch(Exception e){  e.printStackTrace(); }finally {  db.close(); } }  public List<MessageEntity> getMessageList(String loadId){ List<MessageEntity> list = new ArrayList<MessageEntity>(); SQLiteDatabase db=null; Cursor cursor=null; try{  db=mDBHelper.getReadableDatabase();   cursor=db.query(MESSAGE_TABLE_NAME,null,   MESSAGE_FROM_ID+"=?,"+MESSAGE_TO_ID+"=?",   new String[]{loadId},   null,   loadId,MESSAGE_TIME+"DES",null);  while(cursor.moveToNext()){  MessageEntity entity =new MessageEntity();  entity.setId(cursor.getInt(cursor.getColumnIndex(MESSAGE_ID)));  entity.setFromId(cursor.getInt(cursor.getColumnIndex(MESSAGE_FROM_ID)));  entity.setToId(cursor.getInt(cursor.getColumnIndex(MESSAGE_TO_ID)));  entity.setMessageStr(cursor.getString(cursor.getColumnIndex(MESSAGE_MESSAGE)));  entity.setType(cursor.getString(cursor.getColumnIndex(MESSAGE_TYPE)));  entity.setTime(cursor.getString(cursor.getColumnIndex(MESSAGE_TIME)));   list.add(entity);  }  }catch (Exception e){  e.printStackTrace(); }finally{  db.close(); }  return list; }  public void setMessageItem(MessageEntity message){ SQLiteDatabase db=null;  try{  db=mDBHelper.getWritableDatabase();  if(db==null)return;   ContentValues values = new ContentValues();  values.put(MESSAGE_ID,message.getId());  values.put(MESSAGE_FROM_ID,message.getFromId());  values.put(MESSAGE_TO_ID,message.getToId());  values.put(MESSAGE_MESSAGE,message.getMessageStr());  values.put(MESSAGE_TYPE,message.getType());  values.put(MESSAGE_TIME,message.getTime());  db.insert(MESSAGE_TABLE_NAME,null,values); }catch(Exception e){  e.printStackTrace(); }finally {  db.close(); } } }