In the this lesson we will:

- create and invoke second Activity in our application

In this lesson:

- we look throught the code of lesson 21
- theory about Intent and Intent Filter
- a little about Context

In this lesson:

- Activity LifeCycle - Activity behavior during creation, invocation and closing

In this lesson we will:

- learn state changes by example with two Activities

In this lesson:

- some theory about Task
- fixing Activity in the paused state

In this next lesson:

- invoking Activity using implicit invocation and Intent Filter

In this lesson:

- reading action from Intent

In this lesson we will:

 - pass data using Intent

In this lesson:

- getting result from the started activity

This lesson:

- understanding usage of requestCode and resultCode in onActivityResult.

This lesson:

- explore Uri and data intent attribute;
- launch system apps (browser, dialer, map).

This lesson:
- code simple browser

This lesson:

- data storing with preferences.

This lesson:

- storing data with SQLite;

This lesson:

- usage of delete and query methods with parameters

This lesson:

- learn query method in details
- use sorting, grouping, conditions, having

This lesson:

- get data from joined tables;
- use rawQuery;

This lesson:

- using transactions.

This lesson:

- changing database version and updating its structure with onUpdate method

This lesson:

- understand how to use the LayoutInflater