Podcast Beta
Questions and Answers
What is the primary purpose of the onDestroy() method?
What is the name of the class that is used for error logging in Android?
In which method is the setContentView() function typically used?
What is the order of the callback methods when an activity is started?
Signup and view all the answers
What is the purpose of the onPause() method?
Signup and view all the answers
What is the name of the package that contains the Log class?
Signup and view all the answers
What happens to an app when a pop-up dialog box blocks it?
Signup and view all the answers
What is a typical action taken in the onPause() method?
Signup and view all the answers
What event triggers an app's onResume() method?
Signup and view all the answers
What happens to an app when it is no longer visible and in the foreground?
Signup and view all the answers
What is the purpose of the onPause() method?
Signup and view all the answers
What is the purpose of using different app layouts for portrait vs landscape screen orientation?
Signup and view all the answers
Where is the layout file for landscape orientation stored?
Signup and view all the answers
What happens to the current activity when the device's configuration changes?
Signup and view all the answers
What is the purpose of the onSaveInstanceState method?
Signup and view all the answers
What is the system's role in saving an activity's state?
Signup and view all the answers
What is an example of state that needs to be saved when an activity is destroyed?
Signup and view all the answers
What is the purpose of creating a LayoutParams object?
Signup and view all the answers
What is the method used to set the text of a Button?
Signup and view all the answers
What is the purpose of the setPadding method?
Signup and view all the answers
What is the method used to add a view to the LinearLayout?
Signup and view all the answers
What is the value of the width of the EditText set to?
Signup and view all the answers
What is the background color of the TextView?
Signup and view all the answers
What happens to the values of variables when the activity is destroyed and recreated during rotation?
Signup and view all the answers
What method is called by the system before onPause(), onStop(), and onDestroy()?
Signup and view all the answers
What is the purpose of onSaveInstanceState()?
Signup and view all the answers
When creating a UI programmatically, what is the first step?
Signup and view all the answers
What is the benefit of using onSaveInstanceState()?
Signup and view all the answers
Why is the activity not loaded from the main.xml file when creating a UI programmatically?
Signup and view all the answers