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1.SmsInfo public class SmsInfo { private int id; private long data; private int type; private String body; private String address; public SmsInfo(long data, int type, String body, String address){ this.data=data; this.address=address; this.type=type; this.body=body; } public int getId() { return id; } public void setId(int id) { this.id = id; } public long getData() { return data; } public void setData(long data) { this.data = data; } public int getType() { return type; } public void setType(int type) { this.type = type; } public String getBody() { return body; } public void setBody(String body) { this.body = body; } public String getAddress() { return address; } public void setAddress(String address) { this.address = address; } } 2.SmsUtils

public class SmsUtils { public static void backUpSms(List smsInfoList,Context context) throws IOException { //創建序列化器serializer XmlSerializer serializer= Xml.newSerializer(); //獲取sd卡根目錄的路徑 File file=new File(Environment.getExternalStorageDirectory(),"sms.xml"); //獲得輸出流 FileOutputStream os=new FileOutputStream(file); //設置編碼方式 serializer.setOutput(os,"utf-8"); //寫入xml文件標識 serializer.startDocument("utf-8",true); serializer.startTag(null,"smss"); for(SmsInfo info:smsInfoList){ serializer.startTag(null,"sms"); serializer.attribute(null,"id",info.getId()+""); serializer.startTag(null,"body"); serializer.text(info.getBody()); serializer.endTag(null,"body"); serializer.startTag(null,"type"); serializer.text(info.getType()+""); serializer.endTag(null,"type"); serializer.startTag(null,"address"); serializer.text(info.getAddress()); serializer.endTag(null,"address"); serializer.startTag(null,"date"); serializer.text(info.getData()+""); serializer.endTag(null,"date"); serializer.endTag(null,"sms"); } serializer.endTag(null,"smss"); serializer.endDocument(); Toast.makeText(context,"成功",Toast.LENGTH_LONG).show(); } } 3Duanxin.Activity

public class DuanxinActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_duanxin); } public void onclick(View view) throws IOException { //content://sms查新系統所有短信的uri Uri uri= Uri.parse("content://sms"); //獲得 訪問內容提供者 ContentResolver contentResolver=getContentResolver(); //通過contentResolver查詢數據 Cursor cursor=contentResolver.query(uri,new String[]{"address","date","type","body"},null,null,null); List smsInfoList=new ArrayList(); //cursor.moveToNext()移動到下一行 while (cursor.moveToNext()){ String address=cursor.getString(0); long date=cursor.getLong(1); int type=cursor.getType(2); String body=cursor.getString(3); SmsInfo smsInfo=new SmsInfo(date,type,body,address); smsInfoList.add(smsInfo); } //讀取數據結束 cursor.close(); //備份 SmsUtils.backUpSms(smsInfoList,this); } } 4.布局文件

xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context="com.example.believer.gougoude.DuanxinActivity"> android:layout_centerVertical="true" android:layout_centerHorizontal="true" android:onClick="onclick" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="獲取"/>

5.Android

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