Step 1: Create a New Project
If you didn't have a project opened, Android Studio shows the Welcome screen. To create a new project, click New Project.
If you had a project opened, Android Studio shows the development environment. To create a new project, click File >New Project.
The next window lets you configure the name of your app, the package name, and the location of your project.
Enter the values for your project and click Next.
Step 2: Select Form Factors and API Level
The next window lets you select the form factors supported by your app, such as phone, tablet, TV, Wear, and Google Glass. For each form factor, you can also select the API Level that your app requires. To get more information, click Help me choose.
The API Level window shows the distribution of mobile devices running each version of Android, as shown in Figure 2. Click on an API level to see a list of features introduced in the corresponding version of Android. This helps you choose the minimum API Level that has all the features that your apps needs, so you can reach as many devices as possible. Then click OK.
Then, on the Form Factors Window, click Next.
Step 3: Add an Activity
The next screen lets you select an activity type to add to your app, as shown in Figure 4. This screen depends on the form factors you selected earlier.
Choose an activity type and click Next.
Step 4: Configure Your Activity
The next screen lets you configure the activity to add to your app, as shown in Figure 6.
Enter the activity name, the layout name, and the activity title. Then click Finish.
Step 5: Develop Your App
Android Studio creates the default structure for your project and opens the development environment. If your app supports more than one form factor, Android Studio creates a module for each of them,