利用contentProvider获取短信内容（SimpleDataFormater的应用）

public

static

List<SmsInfo>
getSmsInfos(Context context){

//
获取到短信内容提供者的uri

Uri
uri = Uri.parse(path);

ContentResolver
cr = context.getContentResolver();

//_id
,address ,body ,date ,type

List<SmsInfo>
smsinfos =

new

ArrayList<SmsInfo>();

Cursor
cursor = cr.query(uri,

new

String[]{

"_id"

,

"address"

,

"body"

,

"date"

,

"type"

},

null

,

null

,

"date
desc"

);

while

(cursor.moveToNext()){

SmsInfo
info =

new

SmsInfo();

String
address = cursor.getString(cursor.getColumnIndex(

"address"

));

info.setAddress(address);

String
body = cursor.getString(cursor.getColumnIndex(

"body"

));

info.setBody(body);

String
date = cursor.getString(cursor.getColumnIndex(

"date"

));

//定义字符串的日期格式化器

SimpleDateFormat
dataFormater =

new

SimpleDateFormat(

"yyyy-MM-dd
hh:mm:ss"

);

Date
d =

new

Date(Long.parseLong(date));

String
strdate = dataFormater.format(d);

info.setDate(strdate);

String
type = cursor.getString(cursor.getColumnIndex(

"type"

));

if

(

"1"

.equals(type)){

info.setType(

"发送"

);

}

else

if

(

"2"

.equals(type)){

info.setType(

"接受"

);

}

smsinfos.add(info);

}

return

smsinfos;

}

/*

*
把联系人的集合信息,以xml的格式,写到一个输出流中

*/

public

static

void

saveSms(List<SmsInfo>
infos ,OutputStream os)

throws

Exception{

XmlSerializer
serializer = Xml.newSerializer();

serializer.setOutput(os,

"UTF-8"

);

serializer.startDocument(

"UTF-8"

,

true

);

serializer.startTag(

null

,

"smss"

);

for

(SmsInfo
info : infos){

serializer.startTag(

null

,

"sms"

);

serializer.startTag(

null

,

"address"

);

serializer.text(info.getAddress());

serializer.endTag(

null

,

"address"

);

serializer.startTag(

null

,

"body"

);

serializer.text(info.getBody());

serializer.endTag(

null

,

"body"

);

serializer.startTag(

null

,

"date"

);

serializer.text(info.getDate());

serializer.endTag(

null

,

"date"

);

serializer.startTag(

null

,

"type"

);

serializer.text(info.getType());

serializer.endTag(

null

,

"type"

);

serializer.endTag(

null

,

"sms"

);

}

serializer.endTag(

null

,

"smss"

);

serializer.endDocument();

//注意
一定要flush这个 输出流

os.flush();

os.close();

}