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EventDataSQLHelper.java
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50 lines (40 loc) · 1.31 KB
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package example;
import net.sqlcipher.database.SQLiteDatabase;
import net.sqlcipher.database.SQLiteOpenHelper;
import android.content.Context;
import android.provider.BaseColumns;
import android.util.Log;
/** Helper to the database, manages versions and creation */
public class EventDataSQLHelper extends SQLiteOpenHelper {
private static final String DATABASE_NAME = "events.db";
private static final int DATABASE_VERSION = 1;
// Table name
public static final String TABLE = "events";
// Columns
public static final String TIME = "time";
public static final String TITLE = "title";
public EventDataSQLHelper(Context context) {
super(context, DATABASE_NAME, null, DATABASE_VERSION);
}
@Override
public void onCreate(SQLiteDatabase db) {
String sql = "create table " + TABLE + "( " + BaseColumns._ID
+ " integer primary key autoincrement, " + TIME + " integer, "
+ TITLE + " text not null);";
Log.d("EventsData", "onCreate: " + sql);
db.execSQL(sql);
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
if (oldVersion >= newVersion)
return;
String sql = null;
if (oldVersion == 1)
sql = "alter table " + TABLE + " add note text;";
if (oldVersion == 2)
sql = "";
Log.d("EventsData", "onUpgrade : " + sql);
if (sql != null)
db.execSQL(sql);
}
}