《疯狂Android讲义》第二版源码4-9章

package org.crazyit.content; import java.util.ArrayList; import android.app.Activity; import android.app.AlertDialog; import android.content.ContentUris; import android.content.ContentValues; import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.provider.ContactsContract; import android.provider.ContactsContract.CommonDataKinds.Email; import android.provider.ContactsContract.CommonDataKinds.Phone; import android.provider.ContactsContract.CommonDataKinds.StructuredName; import android.provider.ContactsContract.RawContacts; import android.provider.ContactsContract.RawContacts.Data; import android.view.Gravity; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.AbsListView; import android.widget.BaseExpandableListAdapter; import android.widget.Button; import android.widget.EditText; import android.widget.ExpandableListAdapter; import android.widget.ExpandableListView; import android.widget.TextView; import android.widget.Toast; /** * Description: * <br/>site: <a href="http://www.crazyit.org">crazyit.org</a> * <br/>Copyright (C), 2001-2014, Yeeku.H.Lee * <br/>This program is protected by copyright laws. * <br/>Program Name: * <br/>Date: * @author Yeeku.H.Lee kongyeeku@163.com * @version 1.0 */ public class ContactProviderTest extends Activity { Button search; Button add; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); // 获取系统界面中查找、添加两个按钮 search = (Button) findViewById(R.id.search); add = (Button) findViewById(R.id.add); search.setOnClickListener(new OnClickListener() { @Override public void onClick(View source) { // 定义两个List来封装系统的联系人信息、指定联系人的电话号码、Email等详情 final ArrayList<String> names = new ArrayList<String>(); final ArrayList<ArrayList<String>> details = new ArrayList<ArrayList<String>>(); // 使用ContentResolver查找联系人数据 Cursor cursor = getContentResolver().query( ContactsContract.Contacts.CONTENT_URI, null, null, null, null); // 遍历查询结果，获取系统中所有联系人 while (cursor.moveToNext()) { // 获取联系人ID String contactId = cursor.getString(cursor .getColumnIndex(ContactsContract.Contacts._ID)); // 获取联系人的名字 String name = cursor.getString(cursor.getColumnIndex( ContactsContract.Contacts.DISPLAY_NAME)); names.add(name); // 使用ContentResolver查找联系人的电话号码 Cursor phones = getContentResolver().query( ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null, ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = " + contactId, null, null); ArrayList<String> detail = new ArrayList<String>(); // 遍历查询结果，获取该联系人的多个电话号码 while (phones.moveToNext()) { // 获取查询结果中电话号码列中数据。 String phoneNumber = phones.getString(phones .getColumnIndex(ContactsContract .CommonDataKinds.Phone.NUMBER)); detail.add("电话号码：" + phoneNumber); } phones.close(); // 使用ContentResolver查找联系人的Email地址 Cursor emails = getContentResolver().query( ContactsContract.CommonDataKinds.Email.CONTENT_URI, null, ContactsContract.CommonDataKinds.Email.CONTACT_ID + " = " + contactId, null, null); // 遍历查询结果，获取该联系人的多个Email地址 while (emails.moveToNext()) { // 获取查询结果中Email地址列中数据。 String emailAddress = emails.getString(emails .getColumnIndex(ContactsContract .CommonDataKinds.Email.DATA)); detail.add("邮件地址：" + emailAddress); } emails.close(); details.add(detail); } cursor.close(); // 加载result.xml界面布局代表的视图 View resultDialog = getLayoutInflater().inflate( R.layout.result, null); // 获取resultDialog中ID为list的ExpandableListView ExpandableListView list = (ExpandableListView) resultDialog .findViewById(R.id.list); // 创建一个ExpandableListAdapter对象 ExpandableListAdapter adapter = new BaseExpandableListAdapter() { // 获取指定组位置、指定子列表项处的子列表项数据 @Override public Object getChild(int groupPosition, int childPosition) { return details.get(groupPosition).get( childPosition); } @Override public long getChildId(int groupPosition, int childPosition) { return childPosition; } @Override public int getChildrenCount(int groupPosition) { return details.get(groupPosition).size(); } private TextView getTextView() { AbsListView.LayoutParams lp = new AbsListView .LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT , 64); TextView textView = new TextView( ContactProviderTest.this); textView.setLayoutParams(lp); textView.setGravity(Gravity.CENTER_VERTICAL | Gravity.LEFT); textView.setPadding(36, 0, 0, 0); textView.setTextSize(20); return textView; } // 该方法决定每个子选项的外观 @Override public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) { TextView textView = getTextView(); textView.setText(getChild(groupPosition, childPosition).toString()); return textView; } // 获取指定组位置处的组数据 @Override public Object getGroup(int groupPosition) { return names.get(groupPosition); } @Override public int getGroupCount() { return names.size(); } @Override public long getGroupId(int groupPosition) { return groupPosition; } // 该方法决定每个组选项的外观 @Override public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) { TextView textView = getTextView(); textView.setText(getGroup(groupPosition) .toString()); return textView; } @Override public boolean isChildSelectable(int groupPosition, int childPosition) { return true; } @Override public boolean hasStableIds() { return true; } }; // 为ExpandableListView设置Adapter对象 list.setAdapter(adapter); // 使用对话框来显示查询结果。 new AlertDialog.Builder(ContactProviderTest.this) .setView(resultDialog).setPositiveButton("确定", null) .show(); } }); // 为add按钮的单击事件绑定监听器 add.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // 获取程序界面中的3个文本框 String name = ((EditText) findViewById(R.id.name)) .getText().toString(); String phone = ((EditText) findViewById(R.id.phone)) .getText().toString(); String email = ((EditText) findViewById(R.id.email)) .getText().toString(); // 创建一个空的ContentValues ContentValues values = new ContentValues(); // 向RawContacts.CONTENT_URI执行一个空值插入， // 目的是获取系统返回的rawContactId Uri rawContactUri = getContentResolver().insert( RawContacts.CONTENT_URI, values); long rawContactId = ContentUris.parseId(rawContactUri); values.clear(); values.put(Data.RAW_CONTACT_ID, rawContactId); // 设置内容类型 values .put(Data.MIMETYPE, StructuredName.CONTENT_ITEM_TYPE); // 设置联系人名字 values.put(StructuredName.GIVEN_NAME, name); // 向联系人URI添加联系人名字 getContentResolver().insert( android.provider.ContactsContract.Data.CONTENT_URI, values); values.clear(); values.put(Data.RAW_CONTACT_ID, rawContactId); values.put(Data.MIMETYPE, Phone.CONTENT_ITEM_TYPE); // 设置联系人的电话号码 values.put(Phone.NUMBER, phone); // 设置电话类型 val