短信数据XML备份与读取-优快云博客

本文链接：https://blog.youkuaiyun.com/meblackmoney/article/details/52599626

bean

public class Sms {
    private int id;
    private int type;
    private String address;
    private long date;
    private String body;
    public Sms() {
        super();
        // TODO Auto-generated constructor stub
    }
    public Sms(int id, int type, String address, long date, String body) {
        super();
        this.id = id;
        this.type = type;
        this.address = address;
        this.date = date;
        this.body = body;
    }
    public int getId() {
        return id;
    }
    public void setId(int id) {
        this.id = id;
    }
    public int getType() {
        return type;
    }
    public void setType(int type) {
        this.type = type;
    }
    public String getAddress() {
        return address;
    }
    public void setAddress(String address) {
        this.address = address;
    }
    public long getDate() {
        return date;
    }
    public void setDate(long date) {
        this.date = date;
    }
    public String getBody() {
        return body;
    }
    public void setBody(String body) {
        this.body = body;
    }
    @Override
    public String toString() {
        return "Sms [id=" + id + ", type=" + type + ", address=" + address
                + ", date=" + date + ", body=" + body + "]";
    }

}

生成xml

public class MainActivity extends Activity implements OnClickListener {
    List<Sms> list = new ArrayList<Sms>();
    private Button back1;
    private Button back2;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        init();
        redSms();
    }

    // 初始化控件
    private void init() {
        back1 = (Button) findViewById(R.id.back1);
        back2 = (Button) findViewById(R.id.back2);
        back1.setOnClickListener(this);
        back2.setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
        case R.id.back1:
            StringBuffer sb = new StringBuffer();
            sb.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
            sb.append("<smss>");
            for (Sms s : list) {
                sb.append("<sms>");
                sb.append("<date>");
                sb.append(s.getDate());
                sb.append("</date>");

                sb.append("<type>");
                sb.append(s.getType());
                sb.append("</type>");

                sb.append("<address>");
                sb.append(s.getAddress());
                sb.append("</address>");

                sb.append("<body>");
                sb.append(s.getBody());
                sb.append("</body>");

                sb.append("</sms>");
            }
            sb.append("</smss>");
            try {
                File file = new File(Environment.getExternalStorageDirectory(),
                        "back.xml");
                FileOutputStream out = new FileOutputStream(file);
                out.write(sb.toString().getBytes());
                Toast.makeText(this, "备份成功", 0).show();
            } catch (IOException e) {
                Toast.makeText(this, "备份失败", 0).show();
                e.printStackTrace();
            }
            break;
        case R.id.back2:
            XmlSerializer serializer = Xml.newSerializer();
            try {
                File file = new File(Environment.getExternalStorageDirectory(),
                        "back2.xml");
                FileOutputStream out = new FileOutputStream(file);
                serializer.setOutput(out, "utf-8");
                // boolean 代表是否独立
                serializer.startDocument("utf-8", true);
                // 第一个参数代表命名空间
                serializer.startTag(null, "smss");
                for (Sms sms : list) {
                    serializer.startTag(null, "sms");
                    serializer.attribute(null, "id", sms.getId() + "");

                    serializer.startTag(null, "date");
                    serializer.text(sms.getDate() + "");
                    serializer.endTag(null, "date");

                    serializer.startTag(null, "type");
                    serializer.text(sms.getType() + "");
                    serializer.endTag(null, "type");

                    serializer.startTag(null, "body");
                    serializer.text(sms.getBody());
                    serializer.endTag(null, "body");

                    serializer.startTag(null, "address");
                    serializer.text(sms.getAddress());
                    serializer.endTag(null, "address");

                    serializer.endTag(null, "sms");
                }
                serializer.endTag(null, "smss");
                serializer.endDocument();
                Toast.makeText(this, "备份成功", 0).show();
            } catch (Exception e) {
                Toast.makeText(this, "备份失败", 0).show();
                e.printStackTrace();
            }
            break;

        default:
            break;
        }
    }

    // 读取系统短信
    private void redSms() {
        ContentResolver contentResolver = getContentResolver();
        Cursor cursor = contentResolver.query(Uri.parse("content://sms"),
                new String[] { "type", "date", "body", "address" }, null, null,
                null);
        while (cursor.moveToNext()) {
            int type = cursor.getInt(cursor.getColumnIndex("type"));
            long date = cursor.getLong(cursor.getColumnIndex("date"));
            String body = cursor.getString(cursor.getColumnIndex("body"));
            String address = cursor.getString(cursor.getColumnIndex("address"));
            list.add(new Sms(0, type, address, date, body));
        }
    }
}

手动生成XMl