1. Make call to specific number

2. Open specific URL

3. Open Call Log

4. Open Gallery

5. Set Alarm

6. Open Camera

7. Open Login Activity

Study: Intent, types of Intent, types of Intent Action, Intent.setData() method, Intent.setType() method, Button, ConstraintLayout, CoordinatorLayout, startActivity() method, ActivityResultContracts. Permission in manifest, ContextCompat.checkSelfPermission(), ActivityCompat.requestPermissions() method, Uri.parse() method, 

ContactsContract.Contacts.CONTENT_TYPE

CallLog.Calls.CONTENT_TYPE

"image/*"

"tel:"

Add Drawable Resource in android project

Add Activity in android Project