Emmet_biduous_jeavons
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Yale University *
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7617
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Information Systems
Date
Apr 3, 2024
Type
docx
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2
Uploaded by ProfessorRiverSeahorse28
Question: What is the importance of XML-based layouts?
Answer: The use of XML-based layouts provides a consistent and somewhat standard means of setting GUI definition format. In common practice, layout details are placed in XML
files while other items are placed in source files.
Question: What is a Sticky Intent?
Answer: A Sticky Intent is a broadcast from sendStickyBroadcast() method such that the intent floats around even after the broadcast, allowing others to collect data from it.
Question: What items are important in every Android project?
Answer: These are the essential items that are present each time an Android project is created: AndroidManifest.xml, build.xml, bin/, src/, res/, assets/
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 having an emulator within the Android environment?
Answer: The emulator lets developers “play” around an interface that acts as if it were an actual mobile device. They can write and test codes, and even debug. Emulators are a safe place for testing codes especially if it is in the early design phase.
Question: Differentiate Activities from Services.
Answer: Activities can be closed, or terminated anytime the user wishes. On the other hand, services are designed to run behind the scenes, and can act independently. Most services run continuously, regardless of whether there are certain or no activities being executed.
Question: What data types are supported by AIDL?
Answer: AIDL has support for the following data types: -string, -charSequence, -List, -Map, -
all native Java data types like int, long, char and Boolean
Question: What is AAPT?
Answer: AAPT is short for Android Asset Packaging Tool. This tool provides developers with
the ability to deal with zip-compatible archives, which includes creating, extracting as well as viewing its contents.
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