"UPDATE SQLITE_SEQUENCE SET SEQ=初期値-1 WHERE NAME = 'テーブル名' "
よって、Android での例、、、
SQLiteDatabase db = getWritableDatabase();
try{
db.beginTransaction();
db.execSQL("DELETE FROM keys");
db.execSQL("UPDATE SQLITE_SEQUENCE SET SEQ=0 WHERE NAME = 'keys' ");
db.setTransactionSuccessful();
}catch(Exception e){
}finally{
if (db != null){
db.endTransaction();
db.execSQL("VACUUM");
db.close();
}
}