SQLitePractice | 数据库案例:1.使用时间和日期函数,增,查时间字段。2.利用ContentProvider | Reactive Programming library
kandi X-RAY | SQLitePractice Summary
kandi X-RAY | SQLitePractice Summary
数据库案例:1.使用时间和日期函数,增,查时间字段。2.利用ContentProvider,CursorLoader,SQLite实现数据库的观察者模式。3.RxJava,SQLBrite实现数据库的观察者模式。4.拷贝外部db文件到数据库中
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Top functions reviewed by kandi - BETA
- Handle click
- Query all messages
- Insert message
- Query action
- Helper method to get the view
- Set city name
- GetView Method
- Set show name
- Query all cities
- Transform a province
- Initializes the view
- Create select action
- Insert a message into the database
- Query for a city
- On load finished
- Initializes the View
- Query city
- Delete a datatree
- Initialize the activity
- Click on add button
- Click on view
- Update row
- Query
- Insert data
- GetView Method
- Called when the button is clicked
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QUESTION
Started with SQLite in Android this evening. Practiced all the code from the Google documentation but it's still going wrong and I can't figure out where I'm going wrong. Take a look and see if you can find out any details.
DatabaseHelperContract.java
...ANSWER
Answered 2020-Sep-07 at 16:01The problem with your code is the way that you initialize the ArrayAdapter
in displayMethod()
.
The 3d argument of this definition:
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You can use SQLitePractice like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the SQLitePractice component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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