Issue I am new at android development. I wanted to profile the performance of my application. So I have generated a log file(.trace) by adding the following code – `// start tracing to “/sdcard/calc.trace” Debug.startMethodTracing(“calc”); // … // stop tracing
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Flutter & Dart SQL Lite package: Is it possible to execute multiple Update statements in ONE query (different whereArg each time)
Issue I’m thinking about making my SQL query more efficient. One query statement instead of using a for-loop and spamming the DB with the same query and different values. Take a look at what I’m doing here and please check
Continue readingFlutter & Dart SQL Lite package: Is it possible to execute multiple Update statements in ONE query (different whereArg each time)
Issue I’m thinking about making my SQL query more efficient. One query statement instead of using a for-loop and spamming the DB with the same query and different values. Take a look at what I’m doing here and please check
Continue readingWhy is this not returning the lowest total score value in my SQLite database?
Issue I’m new to SQL queries and need some help with my methods to fetch the lowest score, currently it’s fetching a value but it’s not the lowest one in my database. Image attached And Below is the label that
Continue readingAndroid SQLite, how to use CASE statement in UPDATE?
Issue I have a student table: CREATE TABLE students (name TEXT, grade INTEGER, level TEXT); and I use this code to insert an entry: INSERT INTO students(name, grade) VALUES(‘Allen’, 80); this works well except the level value is NULL, so
Continue readingAndroid SQLite, How to know if a sqlite field is NULL or 0?
Issue for example, there is a student table: CREATE TABLE students (name TEXT, grade INTEGER); and I insert an entry: INSERT INTO students(name) VALUES(‘Allen’); And you can see the grade is NULL. In Android, I use these code to read
Continue readingMoving content from an old database to a new version of the database
Issue If I want to add a column for example to an already existing database is there a standard way or method to upgrade the database and move the content from the old database to the new one and keep
Continue readingFlutter: RangeError (index): Invalid value: Range is empty
Issue My app is working fine, but anyway I got this error. I’m using a future builder to read from database and display on screen the data, not the list but 1st item, and if i do some actions the
Continue readingsqlite query to return records from last month and this month both returning records from this month
Issue I have two functions where the first one is supposed to return the records for this month and the second one is suppsoed to return the records from last month, but they are both returning the records for this
Continue readingHow to download and parse an sql file in java
Issue I’m learning java/android development and I have an idea of an app that I want to make. I want to make an app that displays a list of upcoming games (just an example) that I keep updating frequently. And
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