版权声明:原创文章,欢迎转载,转载请注明出处 https://blog.csdn.net/li7032/article/details/76032964
String sql = "select count(*) from info";
Cursor cursor = db.rawQuery(sql, null);
cursor.moveToFirst();
long count = cursor.getLong(0); // cursor.getCount(); 根据Count判断是否为空
cursor.close();
count = cursor.getLong(0);获取的是条目的数量
cursor.getCount(); 获取的是行数