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获取手机联系人的信息
使用ContentResolver获取手机联系人的办法,建议使用第二种
1.一般下面的方法查询的是视图的表,表的字段需要查询获取,比较麻烦,可能会经常出错(特别在真机调试的时候)
// TODO 这种方法直接指定uri在真机中是获取不到联系人信息的 // [1]获取到内容解析者 // ContentResolver contentResolver = getContentResolver(); /*Cursor cursor = contentResolver.query(Uri .parse("content://com.android.contacts/raw_contacts"), new String[] { "contact_id" }, null, null, null); while (cursor.moveToNext()) {// 有内容,进行获取 //[2]获取到contact_id String contact_id = cursor.getString(0); //[3]根据获取到的contact_id进行查询data表中的数据,data1,mimetype_id字段数据 //##虽然data表中的字段是mimetype_id,但是要使用mimetype才可以获取到数据,对应的是mimetypes表的字段 Cursor cursor2 = contentResolver.query( Uri.parse("content://com.android.contacts/data"), new String[] { "data1", "mimetype" }, "raw_contact_id=?", new String[] { contact_id }, null); //创建集合HashMap,用来存储联系人的姓名和号码,对ListView进行填充数据 HashMap<String, String> contactsMap=new HashMap<String, String>(); while (cursor2.moveToNext()) { //[4]获取到data1,mimetype_id String data1 = cursor2.getString(0); String type = cursor2.getString(1); if (type.equals("vnd.android.cursor.item/phone_v2")) {//data1是电话号码 //将数据进行保存 if (!TextUtils.isEmpty(data1)) { contactsMap.put("phone", data1); }else{ contactsMap.put("phone", "null");//要是为空的话 } }else if(type.equals("vnd.android.cursor.item/name")){//data1联系人名字 if (!TextUtils.isEmpty(data1)) { contactsMap.put("name", data1); }else{ contactsMap.put("name", "null");//要是为空的话 } } } //循环一次添加一组联系人的数据 contactsList.add(contactsMap); }*/
2.直接使用API提供封装好的类ContactsContract进行URI和字段的获取会简单点,一般不容易出错,在真机中调试比较好用
ContentResolver contentResolver = getContentResolver(); Cursor cursor = contentResolver.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, new String[]{ ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME, ContactsContract.CommonDataKinds.Phone.DATA1 }, null, null, null); while (cursor.moveToNext()) { HashMap<String, String> hashMap=new HashMap<String, String>(); hashMap.put("name", cursor.getString(0)); hashMap.put("phone", cursor.getString(1)); // Log.i("phone", cursor.getString(0)); // Log.i("phone", cursor.getString(1)); contactsList.add(hashMap); }
下面是整个Activity代码:
package com.itlearn.contacts; import java.util.ArrayList; import java.util.HashMap; import android.content.ContentResolver; import android.database.Cursor; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.provider.ContactsContract; import android.support.v7.app.ActionBarActivity; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.ListView; import android.widget.TextView; public class MainActivity extends ActionBarActivity { private ListView lv_contacts; //存储联系人信息(存储在Map集合中(姓名和号码))的单列集合 ArrayList<HashMap<String,String>> mContactsArrayList=new ArrayList<HashMap<String,String>>(); public Handler mHandler=new Handler(){ @Override public void handleMessage(Message msg) { super.handleMessage(msg); lv_contacts.setAdapter(new ListContactsAdapter()); } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); lv_contacts = (ListView) findViewById(R.id.lv_contacts); initUI(); } private void initUI() { new Thread(new Runnable() { @Override public void run() { ContentResolver contentResolver = getContentResolver(); Cursor cursor = contentResolver.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, new String[]{ ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME, ContactsContract.CommonDataKinds.Phone.DATA1 }, null, null, null); while (cursor.moveToNext()) { HashMap<String, String> hashMap=new HashMap<String, String>(); hashMap.put("name", cursor.getString(0)); hashMap.put("phonenumber", cursor.getString(1)); // Log.i("phone", cursor.getString(0)); // Log.i("phone", cursor.getString(1)); mContactsArrayList.add(hashMap); } //发送消息进行UI更新 mHandler.sendEmptyMessage(0); } }).start(); } private class ListContactsAdapter extends BaseAdapter{ @Override public int getCount() { return mContactsArrayList.size(); } @Override public HashMap<String,String> getItem(int position) { return mContactsArrayList.get(position); } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { View view = View.inflate(getApplicationContext(), R.layout.listview_contact_item, null); //获取到布局中需要显示name和phonenumber的id TextView tv_name=(TextView) view.findViewById(R.id.tv_name); TextView tv_phonenumber=(TextView) view.findViewById(R.id.tv_phonenumber); tv_name.setText(getItem(position).get("name")); tv_phonenumber.setText(getItem(position).get("phonenumber").replace(" ", "").replace("-", "").trim()); return view; } } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { int id = item.getItemId(); if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } }
布局文件:
activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="com.itlearn.contacts.MainActivity" > <TextView android:id="@+id/tv_title" android:text="联系人列表" android:textSize="20sp" android:textColor="#FFF" android:padding="15sp" android:background="#222222" android:gravity="center" android:layout_width="match_parent" android:layout_height="wrap_content"/> <!-- 联系人列表显示 --> <ListView android:id="@+id/lv_contacts" android:layout_below="@+id/tv_title" android:layout_width="match_parent" android:layout_height="match_parent"></ListView> </RelativeLayout>
listview_contacts_item:
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:padding="10dp" android:orientation="vertical" > <TextView android:id="@+id/tv_name" android:textColor="#23350B" android:textSize="20dp" android:layout_width="wrap_content" android:layout_height="wrap_content"/> <TextView android:id="@+id/tv_phonenumber" android:paddingTop="3dp" android:paddingBottom="1dp" android:textColor="#C3010A" android:textSize="16dp" android:layout_width="wrap_content" android:layout_height="wrap_content"/> </LinearLayout>
运行结果:
获取手机联系人的信息
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