1、创建SelectContactActivity类，在AndroidManifest.xml添加类

    import java.util.ArrayList;        import java.util.HashMap;        import java.util.List;        import java.util.Map;                import android.app.Activity;        import android.content.ContentResolver;        import android.content.Intent;        import android.database.Cursor;        import android.net.Uri;        import android.os.Bundle;        import android.view.View;        import android.widget.AdapterView;        import android.widget.AdapterView.OnItemClickListener;        import android.widget.ListView;        import android.widget.SimpleAdapter;                public class SelectContactActivity extends Activity {                    private ListView lv_select_contact;            @Override            protected void onCreate(Bundle savedInstanceState) {                // TODO Auto-generated method stub                super.onCreate(savedInstanceState);                setContentView(R.layout.activity_select_contact);                lv_select_contact = (ListView) findViewById(R.id.lv_select_contact);                final List<Map<String,String>> data = getContactInfo();                lv_select_contact.setAdapter(new SimpleAdapter(this, data, R.layout.contact_item_view,                        new String[]{"name","phone"}, new int[]{R.id.tv_name,R.id.tv_phone}));                lv_select_contact.setOnItemClickListener(new OnItemClickListener() {                            @Override                    public void onItemClick(AdapterView<?> parent, View view, int position,                            long id) {                        String phone = data.get(position).get("phone");                        Intent data = new Intent();                        data.putExtra("phone", phone);                        setResult(0, data);                        //关闭掉当前的页面                        finish();                    }                                    });            }                        /**            * 读取手机里面的联系人            * @return            */            private List<Map<String, String>> getContactInfo() {                List<Map<String, String>> list = new ArrayList<Map<String,String>>();                                //得到一个内容解析器                ContentResolver resolver = getContentResolver();                //raw_contact uri                Uri uri = Uri.parse("content://com.android.contacts/raw_contacts");                Uri uriData = Uri.parse("content://com.android.contacts/data");                                Cursor cursor = resolver.query(uri, new String[]{"contact_id"}, null, null, null);                while(cursor.moveToNext()){                                        String contact_id = cursor.getString(0);                                        if(contact_id != null){                        //具体的某一个联系人                        Map<String, String> map =new HashMap<String, String>();                        Cursor dataCursor = resolver.query(uriData, new String[]{"data1","mimetype"}, "contact_id=?", new String[]{contact_id}, null);                        while(dataCursor.moveToNext()){                            String data1 = dataCursor.getString(0);                            String mimetype = dataCursor.getString(1);                            System.out.println("data1=="+data1+"mimetype=="+mimetype);                                                        if("vnd.android.cursor.item/name".equals(mimetype)){                                //联系人的姓名                                map.put("name", data1);                            }else if("vnd.android.cursor.item/phone_v2".equals(mimetype)){                                //联系人的电话号码                                map.put("phone", data1);                            }                        }                        list.add(map);                        dataCursor.close();                    }                }                cursor.close();                return list;            }        }  

2、读取联系人需要获得权限

添加权限：<uses-permission android:name="android.permission.READ_CONTACTS"/>

3、前面java需要引入相关layout，模版如下注意姓名号码id：

    <?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:orientation="vertical" >                    <TextView                android:background="#8866ff00"                android:gravity="center"                android:textColor="#000000"                android:textSize="20sp"                android:id="@+id/textView1"                android:layout_width="fill_parent"                android:layout_height="55dip"                android:text="选择联系人"/>                      <ListView                 android:verticalSpacing="10dip"                android:layout_marginTop="15dip"                android:numColumns="3"                android:id="@+id/lv_select_contact"                android:layout_width="match_parent"                android:layout_height="match_parent"                />                </LinearLayout>  

4、实现选择联系人的点击事件

xml的Button中 android:onClick="selectContact" ，注意返回startActivityForresult()方法

     * 选择联系人的点击事件         */        public void selectContact(View view){            Intent intent = new Intent(this,SelectContactActivity.class);            startActivityForResult(intent, 0);        }  

5、然后将点击的联系人投射到号码输入框

    @Override        protected void onActivityResult(int requestCode, int resultCode, Intent data) {            // TODO Auto-generated method stub            super.onActivityResult(requestCode, resultCode, data);                        if(data == null){                return ;            }            //et_setup3_phone是输入框的id            String phone = data.getStringExtra("phone").replace("-", "");            et_setup3_phone.setText(phone);        }  

6、最后说下注意点

在获取完号码后，整个流程就结束了，在再次引用号码时最好toString().trim()操作，然后如果有必要可以判空和保存，保存要注意commit()。