android开发笔记之联系人百家姓功能的实现
效果图:
实现原理:
把联系人的姓名的每一个字,保存在一个ArrayList中,去除相同的姓氏,并且保存每个姓氏所对应在联系人列表中的位置,当用户点击相应的姓氏时,就跳转到对应的联系人列表姓氏对应的位置!
实现方法:
1.Hy_family_name_popup_sel.xml(百家姓弹出选择窗口界面的布局文件)
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:id="@+id/myPopupViewFamilyNameLL"android:layout_width="fill_parent"android:layout_height="wrap_content" android:layout_gravity="center"android:background="#000000"android:gravity="center"><GridView android:id="@+id/myPopupViewFamilyNameGV"android:layout_width="fill_parent"android:layout_height="wrap_content" android:numColumns="5"android:gravity="center"android:layout_gravity="center"android:focusable="false"android:clickable="false"android:descendantFocusability="blocksDescendants"> </GridView></LinearLayout>
2.Hy_family_name_item.xml(GridView item的布局文件)
<?xml version="1.0" encoding="utf-8"?><TextView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/myFamilyNameItem"android:layout_width="fill_parent"android:layout_height="wrap_content" android:layout_gravity="center"android:gravity="center" android:textSize="40sp"android:textColor="#FFFFFF"android:clickable="true"android:focusable="true"android:focusableInTouchMode="true"/>
3.HYFamilyNameAdapter.java(GridView 的自定义adapter):
在这个文件中,我们定义了一个interface OnFamilyNameSelectListener,这个接口的主要作用是,把点击姓氏,进行跳转的操作,此接口可以方便在需要时进行实现,是一个开发的利器噢!!
package com.android.contacts.list;import java.util.ArrayList;
import android.content.Context;
import android.content.Intent;
import android.content.IntentSender.SendIntentException;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
import com.android.contacts.R;public class HYFamilyNameAdapter extends BaseAdapter{public static OnFamilyNameSelectListener onFamilyNameSelectListener;public Context context = null;public ArrayList<String> data;public LayoutInflater mLayoutInflater;public HYFamilyNameAdapter(Context context,ArrayList<String> data){ this.context = context;this.data = data; mLayoutInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); }@Overridepublic int getCount() {// TODO Auto-generated method stubreturn data.size();}@Overridepublic Object getItem(int arg0) {// TODO Auto-generated method stubreturn data.get(arg0);}@Overridepublic long getItemId(int arg0) {// TODO Auto-generated method stubreturn arg0;}@Overridepublic View getView(final int indext, View convertView, ViewGroup parent) {// TODO Auto-generated method stubGridViewHolder myGVHolder = null;if(convertView == null){Log.i("familiNames","convertView == null:");convertView = mLayoutInflater.inflate(R.layout.hy_family_name_item, null);myGVHolder = new GridViewHolder();myGVHolder.myTextView = (TextView)convertView.findViewById(R.id.myFamilyNameItem);myGVHolder.myTextView.setOnClickListener(new OnClickListener() { @Overridepublic void onClick(View arg0) {// TODO Auto-generated method stubLog.i("familiNames","onItemClick1:"+indext);OnFamilyNameSelectListener listener = onFamilyNameSelectListener;if(listener != null){listener.onFamilyNameSelect(indext);Log.i("familiNames","listener.onFamilyNameSelect(indext)");} }});convertView.setTag(myGVHolder);}else{myGVHolder = (GridViewHolder)convertView.getTag();Log.i("familiNames","convertView != null:");} if(data.get(indext) != null){myGVHolder.myTextView.setText(data.get(indext)); }return convertView;}public final class GridViewHolder{public TextView myTextView = null;}public void setOnFamilyNameSelectListener(OnFamilyNameSelectListener onFamilyNameSelectListener){this.onFamilyNameSelectListener = onFamilyNameSelectListener; }public interface OnFamilyNameSelectListener{public void onFamilyNameSelect(int indext);}}
4.主文件代码:
(1)引进一些包
import android.widget.ScrollView;
import android.widget.GridView;
import android.widget.Adapter;
import com.android.contacts.list.HYFamilyNameAdapter.OnFamilyNameSelectListener;
import com.mediatek.common.featureoption.FeatureOption;
import android.view.Gravity;
(2)定义一个总开关
public static boolean isOpenFamilyNames = true;
(3)定义一些变量:
private ImageButton btnFooterFamiliNames;private View myPopUpView;
private GridView myPopupViewFamilyNameGV;
private HYFamilyNameAdapter myGridViewAdapter;
private MyAsyncQueryHandler asyncQuery;
private static final String NAME = "name", NUMBER = "number", SORT_KEY = "sort_key",FAMILY_NAME="family_name";
private HashMap<String, Integer> familyNameIndexer;
private ArrayList<String> familyNameSections;
private HashMap<String, Integer> alphaIndexer;
private TextView mShowOverlay;private String [] sections;
(4)定义显示开头入口
isOpenFamilyNames = FeatureOption.HY_FAMILY_NAME_SUPPORT;
if(isOpenFamilyNames == true){btnFooterFamiliNames=(ImageButton)listLayout.findViewById(R.id.btn_footer_familiNames);btnFooterFamiliNames.setOnClickListener(this);
}else{btnFooterFamiliNames=(ImageButton)listLayout.findViewById(R.id.btn_footer_familiNames);btnFooterFamiliNames.setVisibility(View.GONE);
}
(5)快速查询联系人数据:
Uri uri = Uri.parse("content://com.android.contacts/data/phones");
//String[] projection = { "_id", "display_name", "data1", "sort_key" }; String[] projection = { "_id", "display_name", "data1", "sort_key","data3" };
asyncQuery.startQuery(0, null, uri, projection, null, null, "sort_key COLLATE LOCALIZED asc");
private class MyAsyncQueryHandler extends AsyncQueryHandler { public MyAsyncQueryHandler(ContentResolver cr) { super(cr); alphaIndexer = new HashMap<String, Integer>(); familyNameIndexer = new HashMap<String, Integer>(); } @Override protected void onQueryComplete(int token, Object cookie, Cursor cursor) { int iCount = cursor.getCount();if (cursor != null && iCount > 0) { List<ContentValues> list = new ArrayList<ContentValues>(); cursor.moveToFirst(); int i;ContentValues cv =null;for (i = 0; i < iCount; i++) {cv = new ContentValues(); cursor.moveToPosition(i); //String family_name = cursor.getString(4);String name = cursor.getString(1); // String name = cursor.getString(1); //String number = cursor.getString(2); String sortKey = cursor.getString(3);//cv.put(FAMILY_NAME, family_name); cv.put(NAME, name);//cv.put(NAME, name); // cv.put(NUMBER, number); cv.put(SORT_KEY, sortKey); list.add(cv); } if (list.size() > 0) { onLoadMap(list); } } } public void onLoadMap(List<ContentValues> list){int iCount=list.size();int i;sections = new String[iCount];//familyNameSections = new String[iCount];familyNameSections = new ArrayList<String>();for (i = 0; i < iCount; i++) {String currentStr = getAlpha(list.get(i).getAsString(SORT_KEY));//String curFamilyName = getFamilyNameIndext(list.get(i).getAsString(FAMILY_NAME));String curFamilyName = getFamilyNameIndext(list.get(i).getAsString(NAME)).substring(0, 1);Log.i("familiNames","curFamilyName:"+curFamilyName); String previewStr = (i - 1) >= 0 ? getAlpha(list.get(i - 1).getAsString(SORT_KEY)) : " ";//String preFamilyName = (i - 1) >= 0 ? getFamilyNameIndext(list.get(i - 1).getAsString(FAMILY_NAME)) : " ";String preFamilyName = (i - 1) >= 0 ? (getFamilyNameIndext(list.get(i - 1).getAsString(NAME)).substring(0, 1)) : " ";Log.i("familiNames","preFamilyName:"+preFamilyName);if (!preFamilyName.equals(curFamilyName)) {//String familyName = getFamilyNameIndext(list.get(i).getAsString(FAMILY_NAME));String familyName = getFamilyNameIndext(list.get(i).getAsString(NAME)).substring(0, 1);Log.i("familiNames","familyName:"+familyName);if(familyName != null){familyNameIndexer.put(familyName, i); //familyNameSections[i] = familyName;familyNameSections.add(familyName);}}if (!previewStr.equals(currentStr)) {String name = getAlpha(list.get(i).getAsString(SORT_KEY));alphaIndexer.put(name, i); sections[i] = name;}}}} private static String getFamilyNameIndext(String str) { if (str == null) { return "#"; } if (str.trim().length() == 0) { return "#"; } return str;}private static String getAlpha(String str) { if (str == null) { return "#"; } if (str.trim().length() == 0) { return "#"; } char c = str.trim().substring(0, 1).charAt(0); Pattern pattern = Pattern.compile("^[A-Za-z]+$"); if (pattern.matcher(c + "").matches()) { return (c + "").toUpperCase(); } else { return "#"; } }
(6)实时实现点击姓氏,跳转接口:
private OnFamilyNameSelectListener onFamilyNameSelectListener=new OnFamilyNameSelectListener(){public void onFamilyNameSelect(int indext){if(mAllContactsAdapter !=null){Log.i("familiNames","onFamilyNameSelectListener.onFamilyNameSelect");String familyName = familyNameSections.get(indext);int position = familyNameIndexer.get(familyName); myPopUpView.setVisibility(View.GONE);mListView.setSelection(position); }}
};
(7)显示姓氏选择界面:
private void popUpFamilyNamesSele(){myPopUpView = LayoutInflater.from(getActivity()).inflate(R.layout.hy_family_name_popup_sel,null);myPopupViewFamilyNameGV = (GridView)myPopUpView.findViewById(R.id.myPopupViewFamilyNameGV); myGridViewAdapter = new HYFamilyNameAdapter(getActivity(),familyNameSections);myGridViewAdapter.setOnFamilyNameSelectListener(onFamilyNameSelectListener); myPopupViewFamilyNameGV.setAdapter(myGridViewAdapter);WindowManager.LayoutParams lp = new WindowManager.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT,WindowManager.LayoutParams.TYPE_APPLICATION,WindowManager.LayoutParams.FLAG_TOUCHABLE_WHEN_WAKING | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE ,PixelFormat.TRANSLUCENT);lp.gravity = Gravity.CENTER;WindowManager windowManager = (WindowManager) this.getActivity().getSystemService(Context.WINDOW_SERVICE);windowManager.addView(myPopUpView, lp);
}private void onFamiliNames(){Log.i("familiNames","onFamiliNames"); popUpFamilyNamesSele();}
(8)点击监听入口:
public void onClick(View v) {switch(v.getId()){case R.id.btn_footer_familiNames:{ onFamiliNames();break; } }
}
参考资料:
1.实现ListView A~Z快速索引
http://blog.csdn.net/appte/article/details/10306341
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