思路:
1.点击跳转到通讯录界面

`<pre>
    Uri uri = Uri.parse("content://contacts/people");
    Intent intent = new Intent(Intent.ACTION_PICK, uri); 
    startActivityForResult(intent, 0);
</pre>`

2.获取通讯录姓名和手机号码

<pre>
/* * 跳转联系人列表的回调函数 * */ 
@Override 
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
     switch (requestCode){ 
            case 0: 
                if(data==null) { return; } 
              //处理返回的data,获取选择的联系人信息     
              Uri uri=data.getData(); String[] contacts=getPhoneContacts(uri);            
              et_name.setText(contacts[0]); 
              et_tele.setText(contacts[1]);
              break;
       } 
    super.onActivityResult(requestCode, resultCode, data);
 }


private String[] getPhoneContacts(Uri uri){ 
          String[] contact=new String[2]; 
          //得到ContentResolver对象 
            ContentResolver cr = getContentResolver();
           //取得电话本中开始一项的光标 
          Cursor cursor=cr.query(uri,null,null,null,null);
         if(cursor!=null) {
                cursor.moveToFirst(); 
                //取得联系人姓名          
                int nameFieldColumnIndex=cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME);     
                contact[0]=cursor.getString(nameFieldColumnIndex); 
                //取得电话号码 
                String ContactId = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts._ID)); 
                Cursor phone = cr.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null, ContactsContract.CommonDataKinds.Phone.CONTACT_ID + "=" + ContactId, null, null);
                 if(phone != null){
                     phone.moveToFirst(); 
                     contact[1] = phone.getString(phone.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER)); 
                 }
               phone.close(); 
               cursor.close(); 
          } else { 
               return null;
          }
       return contact; 
}
</pre>

3.回调显示姓名和手机号码
4.别忘了加权限

<pre>
<!--获取通讯录权限-->
<uses-permission android:name="android.permission.READ_CONTACTS" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
</pre>