Step 1. Start Android studio and create new project.
Step 2. Change here your project name and your project location and then click on Next button.
Step 3. Select your minimum Sdk and Click on Next button.
Step 4. Select here Bottom Navigation Activity and click on Next button.
Step 5. Change here your activity name, layout name and your activity title and then click on Finish button.
Step 6. Now your project is ready to use.
See all codes here.