For the next activity to query the extra data, you should define the key for your intent's extra using a public constant. It's generally a good practice to define keys for intent extras using your app's package name as a prefix. This ensures the keys are unique, in case your app interacts with other apps.
- In the
sendMessage()method, to finish the intent, call the
startActivity()method, passing it the
Intentobject created in step 1.