先看一下目录结构:
AndroidManifest.xml配置文件:
<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.iaiai.activity" android:versionCode="1" android:versionName="1.0"> <uses-sdk android:minSdkVersion="8" /> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name="ContactSelectorWidget" android:label="@string/contact_title"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> <!-- 读取联系人 --> <uses-permission android:name="android.permission.READ_CONTACTS" /> <!-- 写入联系人 --> <uses-permission android:name="android.permission.WRITE_CONTACTS" /> <!-- 在SD卡中创建文件与删除文件权限 --> <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" /> <!-- 往SD卡中写入数据权限 --> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> <!-- 电话拨号 --> <uses-permission android:name="android.permission.CALL_PHONE" /> <!-- 访问网络 --> <uses-permission android:name="android.permission.INTERNET" /> <!-- 访问Wi-Fi网络 --> <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" /></manifest>
values/strings.xml:
<?xml version="1.0" encoding="utf-8"?><resources> <string name="app_name">iaiai - Contact</string> <string name="contact_title">iaiai - Contact</string></resources>
values-zh-rCN/strings.xml:
<?xml version="1.0" encoding="utf-8"?><resources> <string name="app_name">丸子联系人</string> <string name="contact_title">丸子联系人</string></resources>
contact.xml布局文件:
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="fill_parent"> <ListView android:layout_width="fill_parent" android:layout_height="wrap_content" android:id="@+id/contactListView"> </ListView></LinearLayout>
contact_list.xml布局文件:
<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="wrap_content" android:id="@+id/contactItems" android:paddingBottom="5dip" android:paddingLeft="12dip" android:paddingTop="5dip" android:paddingRight="12dip"> <ImageView android:id="@+id/contact_img" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true"></ImageView> <TextView android:layout_height="wrap_content" android:layout_width="wrap_content" android:id="@+id/contact_name" android:textSize="20dip" android:paddingTop="12px" android:layout_marginLeft="70px"> </TextView> <CheckBox android:id="@+id/contact_checkbox" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:focusable="false"></CheckBox></RelativeLayout>
ContactSelectorWidget.java类:
package com.iaiai.activity;import java.io.InputStream;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.ContentUris;import android.database.Cursor;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.graphics.drawable.BitmapDrawable;import android.net.Uri;import android.os.Bundle;import android.provider.ContactsContract;import android.view.Menu;import android.view.MenuItem;import android.widget.ListView;import android.widget.Toast;import com.iaiai.activity.adapter.ContactCheckBoxAdapter;public class ContactSelectorWidget extends Activity { public static final String CONTACT_NAME = "NAME"; // 保存的名字 public static final String CONTACT_ID = "ID"; // ID public static final String CONTACT_FACE = "FACE"; // 头像 private ContactCheckBoxAdapter contactCheckBoxAdapter; // 配置适配器 private ListView list; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.contact); list = (ListView) findViewById(R.id.contactListView); // 配置适配器 contactCheckBoxAdapter = new ContactCheckBoxAdapter(this, getData()); // 布局里的控件id // 添加并且显示 list.setAdapter(contactCheckBoxAdapter); } @Override public boolean onCreateOptionsMenu(Menu menu) { menu.add(Menu.NONE, 1, 0, android.R.string.ok); menu.add(Menu.NONE, 2, 0, android.R.string.cancel); return super.onCreateOptionsMenu(menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case 1: Toast.makeText( this, "selector:" + contactCheckBoxAdapter.onSelectorData().size(), Toast.LENGTH_LONG).show(); break; case 2: Toast.makeText(this, android.R.string.cancel, Toast.LENGTH_LONG) .show(); break; default: break; } return super.onOptionsItemSelected(item); } /** * 获取联系人 * * @return */ private List<Map<String, Object>> getData() { // 组织数据源 List<Map<String, Object>> list = new ArrayList<Map<String, Object>>(); ContentResolver contentResolver = getContentResolver(); Cursor cursor = contentResolver.query( ContactsContract.Contacts.CONTENT_URI, null, null, null, null); while (cursor.moveToNext()) { String id = cursor.getString(cursor .getColumnIndex(ContactsContract.Contacts._ID)); // id String name = cursor.getString(cursor .getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME)); // 姓名 Map<String, Object> map = new HashMap<String, Object>(); map.put(CONTACT_ID, id); map.put(CONTACT_NAME, name); map.put(CONTACT_FACE, getContactBitmap(id)); list.add(map); } cursor.close(); // 关闭 return list; } /** * 获得联系人头像 * * @param id * 联系人id * @return */ private Bitmap getContactBitmap(String id) { ContentResolver cr = getContentResolver(); Uri uri = ContentUris.withAppendedId( ContactsContract.Contacts.CONTENT_URI, Long.parseLong(id)); InputStream input = ContactsContract.Contacts .openContactPhotoInputStream(cr, uri); if (input == null) { // Log.e("star","input is null"); InputStream is = getResources().openRawResource(R.drawable.icon); BitmapDrawable bmpDraw = null; bmpDraw = new BitmapDrawable(is); Bitmap aa = null; aa = bmpDraw.getBitmap(); Bitmap newb = Bitmap.createScaledBitmap(aa, 50, 50, false); return newb; } else { Bitmap contactPhoto = BitmapFactory.decodeStream(input); Bitmap newb = Bitmap .createScaledBitmap(contactPhoto, 50, 50, false); return newb; } }}ContactCheckBoxAdapter.java类:
package com.iaiai.activity.adapter;import java.util.HashMap;import java.util.List;import java.util.Map;import android.content.Context;import android.graphics.Bitmap;import android.view.LayoutInflater;import android.view.View;import android.view.View.OnClickListener;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.CheckBox;import android.widget.ImageView;import android.widget.TextView;import com.iaiai.activity.ContactSelectorWidget;import com.iaiai.activity.R;public class ContactCheckBoxAdapter extends BaseAdapter { private LayoutInflater mInflater; private List<Map<String, Object>> listData; // 数据 private Map<Integer, Map<String, Object>> selectMap = new HashMap<Integer, Map<String, Object>>(); // 选择的数据 private class ViewHolder { public ImageView img; public TextView title; public CheckBox checkBox; } public ContactCheckBoxAdapter(Context context, List<Map<String, Object>> listData) { this.mInflater = LayoutInflater.from(context); this.listData = listData; } @Override public int getCount() { return listData.size(); } @Override public Object getItem(int position) { return listData.get(position); } @Override public long getItemId(int position) { return position; } /** * 返回选择的数据，Integer为选择的第几个 * * @return */ public Map<Integer, Map<String, Object>> onSelectorData() { return selectMap; } @Override public View getView(final int position, View convertView, ViewGroup parent) { ViewHolder holder = null; if (convertView == null) { holder = new ViewHolder(); convertView = mInflater.inflate(R.layout.contact_list, null); holder.img = (ImageView) convertView.findViewById(R.id.contact_img); holder.title = (TextView) convertView .findViewById(R.id.contact_name); holder.checkBox = (CheckBox) convertView .findViewById(R.id.contact_checkbox); holder.checkBox.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (selectMap.get(position) != null) { selectMap.remove(position); } else { selectMap.put(position, listData.get(position)); } } }); convertView.setTag(holder); } else { holder = (ViewHolder) convertView.getTag(); } holder.img.setImageBitmap((Bitmap) listData.get(position).get( ContactSelectorWidget.CONTACT_FACE)); holder.title.setText(listData.get(position) .get(ContactSelectorWidget.CONTACT_NAME).toString()); if (selectMap.get(position) != null) { holder.checkBox.setChecked(true); } else { holder.checkBox.setChecked(false); } return convertView; }}运行结果:
