public String addToDB(Context context) { ContentValues values = new ContentValues(); openDB(context, true); if (this.getFkExercises().compareTo(-1) != 0) values.put(EXERCISE_COLUMN_FKEXERCISE, this.getFkExercises()); if (this.getFkBody().compareTo(-1) != 0) values.put(EXERCISE_COLUMN_FKBODY, this.getFkBody()); values.put(EXERCISE_COLUMN_VALUES, this.getValue()); if (this.getSets().compareTo(-1) != 0) values.put(EXERCISE_COLUMN_SETS, this.getSets()); if (this.getIterations().compareTo(-1) != 0) values.put(EXERCISE_COLUMN_ITERATION, this.getIterations()); myHelper.writeData(values, "t_history"); myHelper.close(); return null; }