Android 联系人选择Widget
先看一下目录结构:
AndroidManifest.xml配置文件:
values/strings.xml:
values-zh-rCN/strings.xml:
contact.xml布局文件:
contact_list.xml布局文件:
ContactSelectorWidget.java类:
ContactCheckBoxAdapter.java类:
运行结果:
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: