The SharedPreferences class provides a general framework that lets you save and retrieve persistent key-value pairs of primitive data types.
Which of the following files has the correct name for a layout design file of an activity in an Android app?
What does the following code snippet do?
What is the main role of adding the following permission tag to AndroidManifest.xml file in an Android app?
The following Android code will show the small popup message "Message saved as draft" for 3.5 seconds, and then automatically disappears: Toast.makeText(this, "Message saved as draft". Toast.LENGTH_LONG).show()
Check the following image which includes Android code for a sum calculator. Which of the following choices is correct about this Android code?