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[操作系统]获取手机联系人


package com.org.demo.demo;import com.org.wangfeng.R;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.util.Log;import android.view.View;import android.widget.Button;import android.widget.EditText;public class GetPhoneActivity extends Activity {  private EditText editText;  private Button button;  @Override  protected void onCreate(Bundle savedInstanceState) {    // TODO Auto-generated method stub    super.onCreate(savedInstanceState);    setContentView(R.layout.getphoneactivity);    editText = (EditText) findViewById(R.id.et_getphone);    button = (Button) findViewById(R.id.bb_getphone);    button.setOnClickListener(new View.OnClickListener() {      @Override      public void onClick(View arg0) {        // TODO Auto-generated method stub        Intent intent = new Intent(GetPhoneActivity.this,            ContactActivity.class);        startActivityForResult(intent, 1);      }    });  }  @Override  protected void onActivityResult(int requestCode, int resultCode, Intent data) {    // System.out.println("resultCode:" + resultCode);    // System.out.println("requestCode:" + requestCode);    Log.d("jiejie", "被调用了");    if (resultCode == Activity.RESULT_OK) {      String phone = data.getStringExtra("phone");      Log.d("jiejie", "_______________"+phone);      phone = phone.replaceAll("-", "").replaceAll(" ", "");// 替换-和空格      editText.setText(phone);// 把电话号码设置给输入框    }    super.onActivityResult(requestCode, resultCode, data);  }}

 

package com.org.demo.demo;import java.util.ArrayList;import java.util.HashMap;import com.org.wangfeng.R;import android.app.Activity;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.ListView;import android.widget.SimpleAdapter;import android.widget.AdapterView.OnItemClickListener;import android.widget.TextView;public class ContactActivity extends Activity {  private ListView lvList;  private ArrayList<HashMap<String, String>> readContact;  private TextView back;  @Override  protected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_contact);    back =(TextView)findViewById(R.id.back);    back.setOnClickListener(new View.OnClickListener() {            @Override      public void onClick(View arg0) {        // TODO Auto-generated method stub        finish();      }    });    lvList = (ListView) findViewById(R.id.lv_list);    readContact = readContact();    // System.out.println(readContact);    lvList.setAdapter(new SimpleAdapter(this, readContact,        R.layout.contact_list_item, new String[] { "name", "phone" },        new int[] { R.id.tv_name, R.id.tv_phone }));    lvList.setOnItemClickListener(new OnItemClickListener() {      @Override      public void onItemClick(AdapterView<?> parent, View view,          int position, long id) {        String phone = readContact.get(position).get("phone");// 读取当前item的电话号码        Intent intent = new Intent();        intent.putExtra("phone", phone);        setResult(Activity.RESULT_OK, intent);// 将数据放在intent中返回给上一个页面        finish();      }    });  }  private ArrayList<HashMap<String, String>> readContact() {    // 首先,从raw_contacts中读取联系人的id("contact_id")    // 其次, 根据contact_id从data表中查询出相应的电话号码和联系人名称    // 然后,根据mimetype来区分哪个是联系人,哪个是电话号码    Uri rawContactsUri = Uri        .parse("content://com.android.contacts/raw_contacts");    Uri dataUri = Uri.parse("content://com.android.contacts/data");    ArrayList<HashMap<String, String>> list = new ArrayList<HashMap<String, String>>();    // 从raw_contacts中读取联系人的id("contact_id")    Cursor rawContactsCursor = getContentResolver().query(rawContactsUri,        new String[] { "contact_id" }, null, null, null);    if (rawContactsCursor != null) {      while (rawContactsCursor.moveToNext()) {        String contactId = rawContactsCursor.getString(0);        // System.out.println(contactId);        // 根据contact_id从data表中查询出相应的电话号码和联系人名称, 实际上查询的是视图view_data        Cursor dataCursor = getContentResolver().query(dataUri,            new String[] { "data1", "mimetype" }, "contact_id=?",            new String[] { contactId }, null);        if (dataCursor != null) {          HashMap<String, String> map = new HashMap<String, String>();          while (dataCursor.moveToNext()) {            String data1 = dataCursor.getString(0);            String mimetype = dataCursor.getString(1);            // System.out.println(contactId + ";" + data1 + ";"            // + mimetype);            if ("vnd.android.cursor.item/phone_v2".equals(mimetype)) {              map.put("phone", data1);            } else if ("vnd.android.cursor.item/name"                .equals(mimetype)) {              map.put("name", data1);            }          }          list.add(map);          dataCursor.close();        }      }      rawContactsCursor.close();    }    return list;  }}