Jetpack

A Simple Basic Example of ViewModel

1 Comment / Jetpack /

 ViewModelExample  is a very straightforward app with buttons that increase Or decrease  the no of items. The finished app has a bug though; if you rotate the phone, your selected number of items will again set up with the initial value.          What’s going on? Rotating a device is one of a few configuration changes

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Android Room Persistence Library Example

2 Comments / Jetpack /

 Room Persistence Library Major problem with SQLite usage is There is no compile-time verification of raw SQL queries.For example if you write a SQL query with a wrong column name that does not exist in real database then it will give exception during run time and you can not capture this issue during compile time.

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