public class ContactsActivity extends Activity {private TextView tv_center = null;private ListView content; // 左边的联系人列表private ListView lvseek; // 右边的索引列表private HanyuPinyinOutputFormat spellFormat; // 转换汉字得到其汉语拼音private List<String> index_list = new ArrayList<String>(); // 联系人列表的组索引列表private ContactsAdapter adapter; // 联系人列表的适配器@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.contacts);init();}/*** 初始化变量*/private void init() {lvseek = (ListView) findViewById(R.id.layout);tv_center = (TextView) findViewById(R.id.tv);spellFormat = new HanyuPinyinOutputFormat();spellFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);spellFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);spellFormat.setVCharType(HanyuPinyinVCharType.WITH_V);content = (ListView) findViewById(R.id.listView1);setContent(content);setLvSeekAdapter(lvseek);setLvSeekListener(lvseek);}/*** 设置索引列表的数据源适配器* * @param lvseek2*/private void setLvSeekAdapter(ListView lvseek2) {AZAdapter adapter = new AZAdapter(this, getList());int per_height = getResources().getDisplayMetrics().heightPixels / 26;adapter.setHeight(per_height);lvseek2.setAdapter(adapter);}/*** 设置seekLv事件响应* * @param lvseek2*/private void setLvSeekListener(final ListView lvseek2) {// Touch事件，按下和放开两个事件处理lvseek2.setOnTouchListener(new OnTouchListener() {@Overridepublic boolean onTouch(View v, MotionEvent event) {if (event.getAction() == MotionEvent.ACTION_UP) {tv_center.setVisibility(View.INVISIBLE);lvseek2.setBackgroundColor(Color.parseColor("#FDFDFD"));} else if (event.getAction() == MotionEvent.ACTION_DOWN) {lvseek2.setBackgroundColor(Color.parseColor("#F2F1F0"));}return false;}});// 长按的时候在屏幕中间显示当前选择的是哪一个索引项lvseek2.setOnItemLongClickListener(new OnItemLongClickListener() {@Overridepublic boolean onItemLongClick(AdapterView<?> parent, View view,int position, long id) {String str = (String) parent.getAdapter().getItem(position);tv_center.setVisibility(View.VISIBLE);tv_center.setText(str);int index = adapter.getItemIndex(str);if (index != -1)content.setSelection(index);return false;}});lvseek2.setOnItemClickListener(new OnItemClickListener() {@Overridepublic void onItemClick(AdapterView<?> parent, View view,int position, long id) {String str = (String) parent.getAdapter().getItem(position);int index = adapter.getItemIndex(str);if (index != -1)content.setSelection(index);}});}/*** 将内容添加到列表* * @param content2*/private void setContent(ListView content2) {adapter = new ContactsAdapter(this, getList_content());content2.setAdapter(adapter);}// 李四, 王五, 张三, 赵六private List<Object> getList_content() {List<Object> list = new ArrayList<Object>();List<Contact> contact_list = new ArrayList<Contact>();contact_list.add(new Contact("张三", null, ""));contact_list.add(new Contact("李四", null, ""));。。。// 将联系人添加进列表
        list.addAll(contact_list);// 获取联系人索引列表
        getIndex_List(contact_list);// 将索引列表添加进list;
        list.addAll(index_list);Collections.sort(list, new PinyinComparator());return list;}/*** 根据联系人列表获取索引* * @param list*/private void getIndex_List(List<Contact> list) {for (Contact con : list) {String pinying = PinyinHelper.toHanyuPinyinString(con.getName(),spellFormat, "");String first_s = pinying.substring(0, 1);String str = first_s.toUpperCase();if (isA_Z(str)) {// 首字母是a-zif (!index_list.contains(str)) {index_list.add(str);}}}}class PinyinComparator implements Comparator<Object> { // 比较器，在内容列表中有两种类型的数据，所以定义为Object；public int compare(Object o1, Object o2) {String str1;String str2;if (o1.getClass() == Contact.class) {str1 = ((Contact) o1).getName();} else {str1 = o1.toString();}if (o2.getClass() == Contact.class) {str2 = ((Contact) o2).getName();} else {str2 = o2.toString();}return chineneToSpell(str1).compareTo(chineneToSpell(str2));}/*** 使用PinYin4j.jar将汉字转换为拼音* * @param chineseStr* @return*/private String chineneToSpell(String chineseStr) {if (isChinese(chineseStr)) {String pinying = PinyinHelper.toHanyuPinyinString(chineseStr, spellFormat, "");return pinying.toUpperCase();} elsereturn chineseStr;}}/*** 加载右边显示栏* * @return*/private List<String> getList() {return Arrays.asList(Utils.RIGHT_INDEX);}
}

public class MyTrackView extends View {private OnTrackListener listener;private String bg = "#40000000";private boolean showbg = false;private Paint paint = new Paint();private String[] b = new String[] { "#", "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;public MyTrackView(Context context, AttributeSet attrs, int defStyle) {super(context, attrs, defStyle);}public MyTrackView(Context context, AttributeSet attrs) {super(context, attrs);}public MyTrackView(Context context) {super(context);}@Overridepublic boolean dispatchTouchEvent(MotionEvent event) {int item = (int) (event.getY() / getHeight() * b.length);switch (event.getAction()) {case MotionEvent.ACTION_DOWN:if (item >= 0 && item < b.length) {showbg = true;choose = item;invalidate();if (listener != null) {listener.getStr(b[item]);}}break;case MotionEvent.ACTION_MOVE:if (item >= 0 && item < b.length) {showbg = true;choose = item;invalidate();if (listener != null) {listener.getStr(b[item]);}}break;case MotionEvent.ACTION_UP:showbg = false;choose = -1;invalidate();if (listener != null) {listener.getStr(-1 + "");}break;}return true;}@Overrideprotected void onDraw(Canvas canvas) {int singleHeight = getHeight() / b.length;if (showbg) {canvas.drawColor(Color.parseColor(bg));}for (int i = 0; i < b.length; i++) {paint.setColor(Color.WHITE);paint.setAntiAlias(true);float textWidth = paint.measureText(b[i]);if (i == choose) {paint.setColor(Color.RED);paint.setFakeBoldText(true);}canvas.drawText(b[i], (getWidth() - textWidth) / 2, (i + 1)* singleHeight, paint);paint.reset();}super.onDraw(canvas);}public void setTrackListener(OnTrackListener listener) {this.listener = listener;}interface OnTrackListener {public void getStr(String str);}
}

public class Main{private HanyuPinyinOutputFormat spellFormat; // 转换汉字得到其汉语拼音
public Main() {spellFormat = new HanyuPinyinOutputFormat();spellFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);spellFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);spellFormat.setVCharType(HanyuPinyinVCharType.WITH_V);Log.e(chineneToSpell("大家好"), "fuck");}/*** 使用PinYin4j.jar将汉字转换为拼音* * @param chineseStr* @return*/private String chineneToSpell(String chineseStr) {if (isChinese(chineseStr)) {String pinying = PinyinHelper.toHanyuPinyinString(chineseStr,spellFormat, "");return pinying.toUpperCase();}return chineseStr;}/*** 判断字符串中是否包含有中文* * @param str* @return*/protected static boolean isChinese(String str) {String regex = "[\\u4e00-\\u9fa5]";Pattern pattern = Pattern.compile(regex);Matcher matcher = pattern.matcher(str);return matcher.find();}/*** 判断是否是a-z* * @param str* @return*/protected static boolean isA2Z(String str) {String regex = "[A-Za-z]";Pattern pattern = Pattern.compile(regex);Matcher matcher = pattern.matcher(str);return matcher.find();}
}