Android 手機通訊錄的實作源碼
效果圖
源碼下載下傳位址：http://download.csdn.net/detail/pcaxb/9116991
核心代碼：
package com.duguang.baseanimation.ui.listivew.sortlistview;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Typeface;
import android.graphics.drawable.ColorDrawable;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.widget.TextView;
import com.kayak.sortlistview.R;
public class SideBar extends View {
// 觸摸事件
private OnTouchingLetterChangedListener onTouchingLetterChangedListener;
// 26個字母
public static String[] b = { "A", "B", "C", "D", "E", "F", "G", "H", "I",
"J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V",
"W", "X", "Y", "Z", "#" };
private int choose = -1;// 選中
private Paint paint = new Paint();
private TextView mTextDialog;
public void setTextView(TextView mTextDialog) {
this.mTextDialog = mTextDialog;
}
public SideBar(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
public SideBar(Context context, AttributeSet attrs) {
super(context, attrs);
}
public SideBar(Context context) {
super(context);
}
/**
* 重寫這個方法
*/
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
// 擷取焦點改變背景顔色.
int height = getHeight();// 擷取對應高度
int width = getWidth(); // 擷取對應寬度
int singleHeight = height / b.length;// 擷取每一個字母的高度
for (int i = 0; i < b.length; i++) {
paint.setColor(Color.rgb(33, 65, 98));
// paint.setColor(Color.WHITE);
paint.setTypeface(Typeface.DEFAULT_BOLD);
paint.setAntiAlias(true);
paint.setTextSize(20);
// 選中的狀态
if (i == choose) {
paint.setColor(Color.parseColor("#3399ff"));
paint.setFakeBoldText(true);
}
// x坐标等于中間-字元串寬度的一半.
float xPos = width / 2 - paint.measureText(b[i]) / 2;
float yPos = singleHeight * i + singleHeight;
canvas.drawText(b[i], xPos, yPos, paint);
paint.reset();// 重置畫筆
}
}
@Override
public boolean dispatchTouchEvent(MotionEvent event) {
final int action = event.getAction();
final float y = event.getY();// 點選y坐标
final int oldChoose = choose;
final OnTouchingLetterChangedListener listener = onTouchingLetterChangedListener;
final int c = (int) (y / getHeight() * b.length);// 點選y坐标所占總高度的比例*b數組的長度就等于點選b中的個數.
switch (action) {
case MotionEvent.ACTION_UP:
setBackgroundDrawable(new ColorDrawable(0x00000000));
choose = -1;//
invalidate();
if (mTextDialog != null) {
mTextDialog.setVisibility(View.INVISIBLE);
}
break;
default:
//設定右側字母清單[A,B,C,D,E....]的背景顔色
setBackgroundResource(R.drawable.sortlistview_sidebar_background);
if (oldChoose != c) {
if (c >= 0 && c < b.length) {
if (listener != null) {
listener.onTouchingLetterChanged(b[c]);
}
if (mTextDialog != null) {
mTextDialog.setText(b[c]);
mTextDialog.setVisibility(View.VISIBLE);
}
choose = c;
invalidate();
}
}
break;
}
return true;
}
/**
* 向外公開的方法
*
* @param onTouchingLetterChangedListener
*/
public void setOnTouchingLetterChangedListener(
OnTouchingLetterChangedListener onTouchingLetterChangedListener) {
this.onTouchingLetterChangedListener = onTouchingLetterChangedListener;
}
/**
* 接口
*
* @author coder
*
*/
public interface OnTouchingLetterChangedListener {
public void onTouchingLetterChanged(String s);
}
}
package com.duguang.baseanimation.ui.listivew.sortlistview;
import java.util.List;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.SectionIndexer;
import android.widget.TextView;
import com.kayak.sortlistview.R;
public class SortAdapter extends BaseAdapter implements SectionIndexer{
private List<SortModel> list = null;
private Context mContext;
public SortAdapter(Context mContext, List<SortModel> list) {
this.mContext = mContext;
this.list = list;
}
/**
* 當ListView資料發生變化時,調用此方法來更新ListView
* @param list
*/
public void updateListView(List<SortModel> list){
this.list = list;
notifyDataSetChanged();
}
public int getCount() {
return this.list.size();
}
public Object getItem(int position) {
return list.get(position);
}
public long getItemId(int position) {
return position;
}
public View getView(final int position, View view, ViewGroup arg2) {
ViewHolder viewHolder = null;
final SortModel mContent = list.get(position);
if (view == null) {
viewHolder = new ViewHolder();
view = LayoutInflater.from(mContext).inflate(R.layout.item_sort_listview, null);
viewHolder.tvTitle = (TextView) view.findViewById(R.id.title);
viewHolder.tvLetter = (TextView) view.findViewById(R.id.catalog);
view.setTag(viewHolder);
} else {
viewHolder = (ViewHolder) view.getTag();
}
//根據position擷取分類的首字母的Char ascii值
int section = getSectionForPosition(position);
//如果目前位置等于該分類首字母的Char的位置 ，則認為是第一次出現
if(position == getPositionForSection(section)){
viewHolder.tvLetter.setVisibility(View.VISIBLE);
viewHolder.tvLetter.setText(mContent.getSortLetters());
}else{
viewHolder.tvLetter.setVisibility(View.GONE);
}
viewHolder.tvTitle.setText(this.list.get(position).getName());
return view;
}
final static class ViewHolder {
TextView tvLetter;
TextView tvTitle;
}
/**
* 根據ListView的目前位置擷取分類的首字母的Char ascii值
*/
public int getSectionForPosition(int position) {
return list.get(position).getSortLetters().charAt(0);
}
/**
* 根據分類的首字母的Char ascii值擷取其第一次出現該首字母的位置
*/
public int getPositionForSection(int section) {
for (int i = 0; i < getCount(); i++) {
String sortStr = list.get(i).getSortLetters();
char firstChar = sortStr.toUpperCase().charAt(0);
if (firstChar == section) {
return i;
}
}
return -1;
}
/**
* 提取英文的首字母，非英文字母用#代替。
*
* @param str
* @return
*/
private String getAlpha(String str) {
String sortStr = str.trim().substring(0, 1).toUpperCase();
// 正規表達式，判斷首字母是否是英文字母
if (sortStr.matches("[A-Z]")) {
return sortStr;
} else {
return "#";
}
}
@Override
public Object[] getSections() {
return null;
}
}
package com.duguang.baseanimation.ui.listivew.sortlistview;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import android.text.Editable;
import android.text.TextUtils;
import android.text.TextWatcher;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.duguang.baseanimation.ui.base.BaseActivity;
import com.duguang.baseanimation.ui.listivew.sortlistview.SideBar.OnTouchingLetterChangedListener;
import com.kayak.sortlistview.R;
/**
* 通訊錄效果一
* @author Administrator
*
*/
public class SortListViewMainActivity extends BaseActivity {
private ListView sortListView;
private SideBar sideBar;
private TextView dialog;
private SortAdapter adapter;
private ClearEditText mClearEditText;
/**
* 漢字轉換成拼音的類
*/
private CharacterParser characterParser;
private List<SortModel> SourceDateList;
/**
* 根據拼音來排列ListView裡面的資料類
*/
private PinyinComparator pinyinComparator;
@Override
public void setView() {
setContentView(R.layout.activity_listview_sort_main);
}
@Override
public void initView() {
//執行個體化漢字轉拼音類
characterParser = CharacterParser.getInstance();
pinyinComparator = new PinyinComparator();
sideBar = (SideBar) findViewById(R.id.sidrbar);
dialog = (TextView) findViewById(R.id.dialog);
sideBar.setTextView(dialog);
//設定右側觸摸監聽
sideBar.setOnTouchingLetterChangedListener(new OnTouchingLetterChangedListener() {
@Override
public void onTouchingLetterChanged(String s) {
//該字母首次出現的位置
int position = adapter.getPositionForSection(s.charAt(0));
if(position != -1){
sortListView.setSelection(position);
}
}
});
sortListView = (ListView) findViewById(R.id.country_lvcountry);
sortListView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
//這裡要利用adapter.getItem(position)來擷取目前position所對應的對象
Toast.makeText(getApplication(), ((SortModel)adapter.getItem(position)).getName(), Toast.LENGTH_SHORT).show();
}
});
SourceDateList = filledData(getResources().getStringArray(R.array.date));
// 根據a-z進行排序源資料
Collections.sort(SourceDateList, pinyinComparator);
adapter = new SortAdapter(this, SourceDateList);
sortListView.setAdapter(adapter);
mClearEditText = (ClearEditText) findViewById(R.id.filter_edit);
//根據輸入框輸入值的改變來過濾搜尋
mClearEditText.addTextChangedListener(new TextWatcher() {
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
//當輸入框裡面的值為空，更新為原來的清單，否則為過濾資料清單
filterData(s.toString());
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count,
int after) {
}
@Override
public void afterTextChanged(Editable s) {
}
});
}
@Override
public void setListener() {
// TODO Auto-generated method stub
}
/**
* 為ListView填充資料
* @param date
* @return
*/
private List<SortModel> filledData(String [] date){
List<SortModel> mSortList = new ArrayList<SortModel>();
for(int i=0; i<date.length; i++){
SortModel sortModel = new SortModel();
sortModel.setName(date[i]);
//漢字轉換成拼音
String pinyin = characterParser.getSelling(date[i]);
String sortString = pinyin.substring(0, 1).toUpperCase();
// 正規表達式，判斷首字母是否是英文字母
if(sortString.matches("[A-Z]")){
sortModel.setSortLetters(sortString.toUpperCase());
}else{
sortModel.setSortLetters("#");
}
mSortList.add(sortModel);
}
return mSortList;
}
/**
* 根據輸入框中的值來過濾資料并更新ListView
* @param filterStr
*/
private void filterData(String filterStr){
List<SortModel> filterDateList = new ArrayList<SortModel>();
if(TextUtils.isEmpty(filterStr)){
filterDateList = SourceDateList;
}else{
filterDateList.clear();
for(SortModel sortModel : SourceDateList){
String name = sortModel.getName();
if(name.indexOf(filterStr.toString()) != -1 || characterParser.getSelling(name).startsWith(filterStr.toString())){
filterDateList.add(sortModel);
}
}
}
// 根據a-z進行排序
Collections.sort(filterDateList, pinyinComparator);
adapter.updateListView(filterDateList);
}
}
源碼下載下傳位址：http://download.csdn.net/detail/pcaxb/9116991
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