Hocus-pocussed_mapo_drive

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University of Illinois, Urbana Champaign *

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Computer Science

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Feb 20, 2024

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docx

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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 function of an intent filter? Answer: Because every component needs to indicate which intents they can respond to, intent filters are used to filter out intents that these components are willing to receive. One or more intent filters are possible, depending on the services and activities that are going to make use of it. Question: What is an action? Answer: In Android development, an action is what the intent sender wants to do or expected to get as a response. Most application functionality is based on the intended action. Question: Describe the Android Framework. Answer: The Android Framework is an important aspect of the Android Architecture. Here you can find all the classes and methods that developers would need in order to write applications on the Android environment. Question: How are escape characters used as attribute? Answer: Escape characters are preceded by double backslashes. For example, a newline character is created using ‘\\n’ 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 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: Enumerate the steps in creating a bounded service through AIDL. Answer: 1. create the .aidl file, which defines the programming interface, 2. implement the interface, which involves extending the inner abstract Stub class as well as implanting its methods, 3. expose the interface, which involves implementing the service to the clients.

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