Android編程之SMS讀取短信並保存到SQLite的方法

本文實例講述了Android編程之SMS讀取短信並保存到SQLite的方法。分享給大家供大家參考，具體如下：

Android 之 SMS 短信在Android系統中是保存在SQLite數據庫中的，但不讓其它程序訪問（Android系統的安全機制）

現在我們在讀取手機內的SMS短信，先保存在我們自己定義的SQLite數據庫中，然後讀取SQLite數據庫提取短信，並顯示

SMS短信SQLite存取代碼：

package com.homer.sms; 
import java.sql.Date; 
import java.text.SimpleDateFormat; 
import org.loon.wsi.R; 
import android.app.Activity; 
import android.content.Context; 
import android.database.Cursor; 
import android.database.sqlite.SQLiteDatabase; 
import android.graphics.Color; 
import android.net.Uri; 
import android.os.Bundle; 
import android.util.Log; 
import android.widget.TableLayout; 
import android.widget.TableRow; 
import android.widget.TableRow.LayoutParams; 
import android.widget.TextView; 
/** 
 * 讀取手機短信, 先保存到SQLite數據，然後再讀取數據庫顯示 
 * 
 * @author sunboy_2050 
 * @since http://blog.csdn.net/sunboy_2050 
 * @date 2012.03.06 
 */ 
public class smsRead4 extends Activity { 
 TableLayout tableLayout; 
 int index = 0; 
 @Override 
 public void onCreate(Bundle savedInstanceState) { 
  super.onCreate(savedInstanceState); 
  setContentView(R.layout.main); 
  tableLayout = (TableLayout) findViewById(R.id.tableLayout); 
  showSMS(); 
 } 
 private void showSMS() { 
  SmsHander smsHander = new SmsHander(this); 
  smsHander.createSMSDatabase(); // 創建SQLite數據庫 
  smsHander.insertSMSToDatabase(); // 讀取手機短信，插入SQLite數據庫 
  Cursor cursor = smsHander.querySMSInDatabase(100); // 獲取前100條短信（日期排序） 
  cursor.moveToPosition(-1); 
  while (cursor.moveToNext()) { 
   String strAddress = cursor.getString(cursor.getColumnIndex("address")); 
   String strDate = cursor.getString(cursor.getColumnIndex("date")); 
   String strBody = cursor.getString(cursor.getColumnIndex("body")); 
   SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); 
   Date date = new Date(Long.parseLong(strDate)); 
   strDate = dateFormat.format(date); 
   String smsTitle = strAddress + "\t\t" + strDate; 
   String smsBody = strBody + "\n"; 
   Log.i("tableRow", smsTitle + smsBody); 
   // title Row 
   TableRow trTitle = new TableRow(this); 
   trTitle.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)); 
   TextView tvTitle = new TextView(this); 
   tvTitle.setText(smsTitle); 
   tvTitle.getPaint().setFakeBoldText(true); // 加粗字體 
   tvTitle.setTextColor(Color.RED); 
   tvTitle.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)); 
   trTitle.addView(tvTitle); 
   tableLayout.addView(trTitle, new TableLayout.LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT)); 
   // body Row 
   TableRow trBody = new TableRow(this); 
   trBody.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)); 
   TextView tvBody = new TextView(this); 
   tvBody.setText(smsBody); 
   tvBody.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)); 
   trBody.addView(tvBody); 
   tableLayout.addView(trBody, new TableLayout.LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT)); 
  } 
  if (!cursor.isClosed()) { 
   cursor.close(); 
   cursor = null; 
  } 
  smsHander.closeSMSDatabase(); 
  index = 0; 
 } 
 public class SmsHander { 
  SQLiteDatabase db; 
  Context context; 
  public SmsHander(Context context) { 
   this.context = context; 
  } 
  public void createSMSDatabase() { 
   String sql = "create table if not exists sms(" 
     + "_id integer primary key autoincrement," 
     + "address varchar(255)," + "person varchar(255)," 
     + "body varchar(1024)," + "date varchar(255)," 
     + "type integer)"; 
   db = SQLiteDatabase.openOrCreateDatabase(context.getFilesDir().toString() + "/data.db3", null); // 創建數據庫
   db.execSQL(sql);
  }
  // 獲取手機短信
  private Cursor getSMSInPhone() {
   Uri SMS_CONTENT = Uri.parse("content://sms/"); 
   String[] projection = new String[] { "_id", "address", "person", "body", "date", "type" };
   Cursor cursor = context.getContentResolver().query(SMS_CONTENT, projection, null, null, "date desc"); // 獲取手機短信
   while (cursor.moveToNext()) {
    System.out.println("--sms-- : " + cursor.getString(cursor.getColumnIndex("body")));
   }
   return cursor; 
  } 
  // 保存手機短信到 SQLite 數據庫 
  public void insertSMSToDatabase() {
   Long lastTime;
   Cursor dbCount = db.rawQuery("select count(*) from sms", null);
   dbCount.moveToFirst();
   if (dbCount.getInt(0) > 0) {
    Cursor dbcur = db.rawQuery("select * from sms order by date desc limit 1", null);
    dbcur.moveToFirst();
    lastTime = Long.parseLong(dbcur.getString(dbcur.getColumnIndex("date")));
   } else {
    lastTime = new Long(0);
   }
   dbCount.close();
   dbCount = null;
   Cursor cur = getSMSInPhone(); // 獲取短信（游標）
   db.beginTransaction(); // 開始事務處理
   if (cur.moveToFirst()) {
    String address;
    String person;
    String body;
    String date;
    int type;
    int iAddress = cur.getColumnIndex("address");
    int iPerson = cur.getColumnIndex("person");
    int iBody = cur.getColumnIndex("body");
    int iDate = cur.getColumnIndex("date");
    int iType = cur.getColumnIndex("type");
    do {
     address = cur.getString(iAddress);
     person = cur.getString(iPerson);
     body = cur.getString(iBody);
     date = cur.getString(iDate);
     type = cur.getInt(iType);
     if (Long.parseLong(date) > lastTime) {
      String sql = "insert into sms values(null, ?, ?, ?, ?, ?)";
      Object[] bindArgs = new Object[] { address, person, body, date, type };
      db.execSQL(sql, bindArgs);
     } else {
      break;
     }
    } while (cur.moveToNext());
    cur.close();
    cur = null;
    db.setTransactionSuccessful(); // 設置事務處理成功，不設置會自動回滾不提交
    db.endTransaction(); // 結束事務處理
   }
  }
  // 獲取 SQLite 數據庫中的全部短信
  public Cursor querySMSFromDatabase() {
   String sql = "select * from sms order by date desc";
   return db.rawQuery(sql, null);
  }
  // 獲取 SQLite 數據庫中的最新 size 條短信
  public Cursor querySMSInDatabase(int size) {
   String sql;
   Cursor dbCount = db.rawQuery("select count(*) from sms", null);
   dbCount.moveToFirst();
   if (size < dbCount.getInt(0)) { // 不足 size 條短信，則取前 size 條
    sql = "select * from sms order by date desc limit " + size;
   } else {
    sql = "select * from sms order by date desc";
   }
   dbCount.close();
   dbCount = null;
   return db.rawQuery(sql, null);
  }
  // 獲取 SQLite數據庫的前 second秒短信
  public Cursor getSMSInDatabaseFrom(long second) {
   long time = System.currentTimeMillis() / 1000 - second;
   String sql = "select * from sms order by date desc where date > " + time;
   return db.rawQuery(sql, null);
  }
  // 關閉數據庫
  public void closeSMSDatabase() {
   if (db != null && db.isOpen()) {
    db.close();
    db = null;
   }
  }
 }
}

運行結果：

完整實例代碼代碼點擊此處本站下載。

希望本文所述對大家Android程序設計有所幫助。