Android SQLite服务--创建、增删改查

<pre name="code" class="java">import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.util.Log;
/**
 * 默许就在数据库里创立4张表
 * 
 *
 */
public class DBOpenHelper extends SQLiteOpenHelper {
    private static final String name = "database.db";//数据库名称
    private static final int version = 1;//数据库版本

    public DBOpenHelper(Context context) {
        super(context, name, null, version);
    }

    @Override
    public void onCreate(SQLiteDatabase db) {
        Log.e("DBOpenHelper", "DBOpenHelperDBOpenHelperDBOpenHelperDBOpenHelper");
        db.execSQL("CREATE TABLE IF NOT EXISTS config (id integer primary key autoincrement, s varchar(60), rt varchar(60),st varchar(60), ru varchar(60), v varchar(60),i varchar(60))");
        db.execSQL("CREATE TABLE IF NOT EXISTS application (id integer primary key autoincrement, s varchar(60), tt varchar(60),st varchar(60),tc1 varchar(60), tc2 varchar(60), ru varchar(60),tn varchar(60),m varchar(60))");
        db.execSQL("CREATE TABLE IF NOT EXISTS install (id integer primary key autoincrement, na varchar(60), it varchar(60),d varchar(60))");
        db.execSQL("CREATE TABLE IF NOT EXISTS smslist (id integer primary key autoincrement, t varchar(60), st varchar(60),n1 varchar(60),n2 varchar(60),n varchar(60),m varchar(60),a varchar(60))");
    }

  
    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
        Log.e("DBOpenHelper", "onUpgradeonUpgradeonUpgradeonUpgrade");
        db.execSQL("DROP TABLE IF EXISTS config");
        db.execSQL("DROP TABLE IF EXISTS application");
        db.execSQL("DROP TABLE IF EXISTS install");
        db.execSQL("DROP TABLE IF EXISTS smslist");
        onCreate(db);
        
    }
    


}<pre name="code" class="java">import android.conte