Question: Is it possible to use or add a fragment without using a user interface?
Answer: Yes, it is possible to do that, such as when you want to create a background behavior for a particular activity. You can do this by using add(Fragment,string) method to add a fragment from the activity.
Question: What is Orientation?
Answer: Orientation, which can be set using setOrientation(), dictates if the LinearLayout is represented as a row or as a column. Values are set as either HORIZONTAL or VERTICAL.
Question: What is the importance of Default Resources?
Answer: When default resources, which contain default strings and files, are not present, an error will occur and the app will not run. Resources are placed in specially named subdirectories under the project res/ directory.
Question: What is the importance of settings permissions in app development?
Answer: Permissions allow certain restrictions to be imposed primarily to protect data and code. Without these, codes could be compromised, resulting to defects in functionality.
Question: When does ANR occur?
Answer: The ANR dialog is displayed to the user based on two possible conditions. One is when there is no response to an input event within 5 seconds, and the other is when a broadcast receiver is not done executing within 10 seconds.
Question: What are the different states wherein a process is based?
Answer: There are 4 possible states: foreground activity, visible activity, background activity, empty process
