How to create an android app with andiron studio?

Step 1: Install android Studio

Go to http://developer.android.com/sdk/index/html to download

Step 2: open a new project

On the “Create New Project” window that opens, name your project “Hello world”.

Note where the project file location is and change it if desired.

Click “Next”.

Make sure on that Phone and Tablet is the only box that is checked. Minimum SDK is below your phone’s operating system level.

Click “Next”.

Select “Blank Activity”.

Click “Next”.

Leave all of the activity name fields as they are.

Click “Finish”.

Note:  it is typical naming convention in android projects to so company name as some

Step 3: Edit the Welcome Message in the main activity navigate to the activity_main.xml tab if it is not already open.

Make sure that the design tab is open on the activity_main.xml display.

Click and drag the “Hello world” from the upper left corner of the values phone display to the center of screen.

In the project file system on the left side is the window, open the values folder.

In the file values folder, double-click the strings.xml file.

In the file, find the line “Hello world”.

After the “Hello world” message, add “Welcome to my app”

Navigate back to the activity_main.xml tab.

Make sure that your centered text now read “Hello word Welcome to my app”

Step 4: Add a button to the Main Activity

Navigate to the Design tab of the activity_main.xml display.

In the palette menu to the left of the phone display, find Button (under the heading Widgets).

Click and drag button to be centered underneath your welcome message.

Make sure your button is still selected.

In the Properties menu (on the left side of the window), scroll sown to find the field for “text”.

Change the text from “New Button “to “Next page”.

Step 5: Create a Second Activity

At the top of the project’s file system tree, right click on app.

Navigate through to new > Activity > Blank Activity.

Change the name of this activity to “second Activity.

Click Finish.

Make sure you are in the Design view of activity_second.xml

Drag the next box in the upper left of the phone display down to the center as you did on the main Activity. A with the text box still selected, find the ‘id’ field in the Properties menu on the right, and set it to “text2”.

Open strings.xml again

Add a new line under “Hello world Welcome to my app” that reads “Welcome to the second page”. Navigate back to activity_second.xml.

Select the box again.

In the properties pane, set the “text” field to “@string/second_page”.

Make sure that text box now reads “Welcome to the second page” and is in the center of the screen in the phone display.