ContentProvider之获取手机联系人

package com.pxd.getcontacts;import android.app.ListActivity;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.provider.ContactsContract.CommonDataKinds.Photo;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.SeekBar;
import android.widget.TextView;import java.io.InputStream;
import java.util.ArrayList;public class MainActivity extends ListActivity {Context mContext = null;/**获取库Phone表字段**/private static final String[] PHONES_PROJECTION = new String[] {Phone.DISPLAY_NAME, Phone.NUMBER, Photo.PHOTO_ID,Phone.CONTACT_ID };/**联系人显示名称**/private static final int PHONES_DISPLAY_NAME_INDEX = 0;/**电话号码**/private static final int PHONES_NUMBER_INDEX = 1;/**头像ID**/private static final int PHONES_PHOTO_ID_INDEX = 2;/**联系人的ID**/private static final int PHONES_CONTACT_ID_INDEX = 3;/**联系人名称**/private ArrayList mContactsName = new ArrayList();/**联系人头像**/private ArrayList mContactsNumber = new ArrayList();/**联系人头像**/private ArrayList mContactsPhonto = new ArrayList();ListView mListView = null;MyListAdapter myAdapter = null;private Button getInfo;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);getInfo = (Button) findViewById(R.id.getinfo);mContext = this;mListView = this.getListView();myAdapter = new MyListAdapter(this);//获取联系人按钮getInfo.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {mContactsName.clear();mContactsNumber.clear();mContactsPhonto.clear();setListAdapter(myAdapter);getPhoneContacts();}});mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {@Overridepublic void onItemClick(AdapterView adapterView, View view,int position, long id) {//调用系统方法拨打电话Intent dialIntent = new Intent(Intent.ACTION_CALL, Uri.parse("tel:" + mContactsNumber.get(position)));startActivity(dialIntent);}});}/**得到手机通讯录联系人信息**/private void getPhoneContacts() {ContentResolver resolver = mContext.getContentResolver();// 获取手机联系人Cursor phoneCursor = resolver.query(Phone.CONTENT_URI,PHONES_PROJECTION, null, null, null);if (phoneCursor != null) {while (phoneCursor.moveToNext()) {//得到手机号码String phoneNumber = phoneCursor.getString(PHONES_NUMBER_INDEX);//当手机号码为空的或者为空字段 跳过当前循环if (TextUtils.isEmpty(phoneNumber))continue;//得到联系人名称String contactName = phoneCursor.getString(PHONES_DISPLAY_NAME_INDEX);//得到联系人IDLong contactid = phoneCursor.getLong(PHONES_CONTACT_ID_INDEX);//得到联系人头像IDLong photoid = phoneCursor.getLong(PHONES_PHOTO_ID_INDEX);//得到联系人头像BitampBitmap contactPhoto = null;//photoid 大于0 表示联系人有头像 如果没有给此人设置头像则给他一个默认的if(photoid > 0 ) {Uri uri = ContentUris.withAppendedId(ContactsContract.Contacts.CONTENT_URI,contactid);InputStream input = ContactsContract.Contacts.openContactPhotoInputStream(resolver, uri);contactPhoto = BitmapFactory.decodeStream(input);}else {contactPhoto = BitmapFactory.decodeResource(getResources(), R.drawable.contact_photo);}mContactsName.add(contactName);mContactsNumber.add(phoneNumber);mContactsPhonto.add(contactPhoto);}phoneCursor.close();}}class MyListAdapter extends BaseAdapter {public MyListAdapter(Context context) {mContext = context;}public int getCount() {//设置绘制数量return mContactsName.size();}@Overridepublic boolean areAllItemsEnabled() {return false;}public Object getItem(int position) {return position;}public long getItemId(int position) {return position;}public View getView(int position, View convertView, ViewGroup parent) {ImageView iamge = null;TextView title = null;TextView text = null;if (convertView == null || position < mContactsNumber.size()) {convertView = LayoutInflater.from(mContext).inflate(R.layout.item, null);iamge = (ImageView) convertView.findViewById(R.id.color_image);title = (TextView) convertView.findViewById(R.id.color_title);text = (TextView) convertView.findViewById(R.id.color_text);}//绘制联系人名称title.setText(mContactsName.get(position));//绘制联系人号码text.setText(mContactsNumber.get(position));//绘制联系人头像iamge.setImageBitmap(mContactsPhonto.get(position));return convertView;}}
}

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