Creating a new Android Studio project

After successfully installing JDK and Android Studio, come the most critical part; the first UI programming. In the latest Android Studio (currently version 2.2.2 in the time of this tutorial written), the floating button is the default template for a Basic Project.

Hit the File menu –> New –> New Project

file-new-android-studio-project

The following configure project window will appear.

configure-new-android-project

Application name: Name your apps here, related to your project.
Company domain: Your company domain name, if you do not have imagine one.
Package name: The apps ID automatically created using the reverse domain convention as in Java.
Project location: Make sure you could easily locate your Android Project folder.

Next is the target API setting.

target-android-project

Choose the Phone and Tablet form factor only for the time being. Just opt for the proposed Minimum SDK suggested. If API 15 means that your apps can run on Android IceCreamSandwich as the minimum device. Lower than that is not supported. NEXT…

Choose the Basic Activity, and NEXT…

basic-activity-new-android-studio-project

 

And hit FINISH…

customize-activity-name

And the Project folder will be created for you.

The project folder.

the-android-studio-project-folder

 

The GUI EDITOR

Edit the content_main.xml file. This is the layout file for our new screen. Add a LinearLayout to facilities our GUI arrangements.

linear-layout

Add an EditText to hold latitude value. Provide the ID as txtlatitude and hint. Hint is a placeholder or message clue that will disappear when user type their input.

latitude-textbox

Add another textbox to accept the latitude value. This time the ID is txtlongitude.

longitude-textbox

Add a button with ID btndisplay.

button-widget

The JAVA codes

Go to the MainActivity.java file; Add the code to operate the button. Should you see the red lines with the suggestion to hit ALT + ENTER, please do so. It will add the correct import API statement.

object-name-of UIs

Link the object name to the GUI in the layout XML. And handle the onClick event.

onClick-code-android-studio

Try run on the emulator provided.

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