Android setsummary not updating

24-Aug-2017 18:36

As name suggest, Context Menu is the menu in context/associated with some object.Long-press on the view will bring up registered Context menu.Create under folder res/menu Through this article we will look at one of the important feature of Android i.e Async Task for performing task which takes long time for execution with example.

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UI must always be updated in UI thread, updating UI view at the end of long operation may lead to some issues like UI hangs. If the current thread is the UI thread, then the action is executed immediately.In Today’s post we are going to look at How to Change Summary of Edit Text Preference. Method update Preference accepts key of the preferences to be updated. Method on Upgrade is called when database needs to be upgarded in terms like, adding new tables, new colums to the existing tables etc based on the database version.But before moving ahead, if you want to know more about Preferences click here. This methods first compares the key and if key matches with that of Edit Text Preference key, Edit Text Preference summary will be updated accordingly. Database version for this example is set to 1 via DATABASE_VERSIONvariable.For fetching all students from student table we will call fetch All Students of Database Util class. We will check cursor for null and then iterate through it and print name and standard for each student.Student name is fetched from cursor by calling String(1), here 1 represent the position of column holding the Student Name in the String array passed while querying the database. This post introduces you to the basics of Android SQLite Database with sample code.

UI must always be updated in UI thread, updating UI view at the end of long operation may lead to some issues like UI hangs. If the current thread is the UI thread, then the action is executed immediately.

In Today’s post we are going to look at How to Change Summary of Edit Text Preference. Method update Preference accepts key of the preferences to be updated. Method on Upgrade is called when database needs to be upgarded in terms like, adding new tables, new colums to the existing tables etc based on the database version.

But before moving ahead, if you want to know more about Preferences click here. This methods first compares the key and if key matches with that of Edit Text Preference key, Edit Text Preference summary will be updated accordingly. Database version for this example is set to 1 via DATABASE_VERSIONvariable.

For fetching all students from student table we will call fetch All Students of Database Util class. We will check cursor for null and then iterate through it and print name and standard for each student.

Student name is fetched from cursor by calling String(1), here 1 represent the position of column holding the Student Name in the String array passed while querying the database. This post introduces you to the basics of Android SQLite Database with sample code.

Menus are one of the most important parts of any application and when it comes to mobile Menus become more important considering the fact that area available is restricted.