关于安卓SQLite插入数的问题

路过的大神，求帮忙解答下，小弟学习安卓SQLite时，遇到了如下错误

//进行数据的添加
public void add(View v) {
ContentValues cv = new ContentValues();
cv.put(ActionConstants.add.TIME, et01.getText().toString());
cv.put(ActionConstants.add.SportType, tv03.getText().toString());
cv.put(ActionConstants.add.FitnessPart, tv05.getText().toString());
cv.put(ActionConstants.add.FitnessContent, tv07.getText().toString());
cv.put(ActionConstants.add.DATE, tv09.getText().toString());
cv.put(ActionConstants.add.StrengthLevel, tv11.getText().toString());
cv.put(ActionConstants.add.ProjectNumber, tv13.getText().toString());
cv.put(ActionConstants.add.Consume, et02.getText().toString());
adao.insert(cv);//添加结果至项目
Toast.makeText(this, "记录成功!!!", Toast.LENGTH_SHORT).show();
finish();
}
这是AddDAO接口里面的：
public void insert(ContentValues cv){

db.insert(ActionConstants.add.TABLE_NAME, null, cv);

}

我在ActionDataConstants里面新建了表格
public static final String[] CREATE_TABLES ={

    "CREATE TABLE [add] " +
    "(" + 
    "[_id] INTEGER PRIMARY KEY AUTOINCREMENT,  " + 
    "[time] double,"+ 
    "[sporttype] varchar(50)," + 
    "[fitnesspart] varchar(50)," + 
    "[fitnesscontent] varchar(50)," + 
    "[date] varchar(50)," + 
    "[strengthlevel] varchar(50)," + 
    "[projectnumber] varchar(50)," + 
    "[consume] double," +
    ");",
};

但是为啥没办法添加数据？求大神帮忙解答下，谢谢