Desinence_self-interrogation_spiros

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Princeton University *

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552

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Computer Science

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May 7, 2024

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docx

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2

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Question: What are the core components under the Android application architecture? Answer: There are 5 key components under the Android application architecture: – services – intent – resource externalization – notifications – content providers Question: What is portable wi-fi hotspot? Answer: Portable Wi-Fi Hotspot allows you to share your mobile internet connection to other wireless device. For example, using your Android-powered phone as a Wi-Fi Hotspot, you can use your laptop to connect to the Internet using that access point. Question: What role does Dalvik play in Android development? Answer: Dalvik serves as a virtual machine, and it is where every Android application runs. Through Dalvik, a device is able to execute multiple virtual machines efficiently through better memory management. 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 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 the Google Android SDK? Answer: The Google Android SDK is a toolset that developers need in order to write apps on Android enabled devices. It contains a graphical interface that emulates an Android driven handheld environment, allowing them to test and debug their codes.
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: How can the ANR be prevented? Answer: One technique that prevents the Android system from concluding a code that has been responsive for a long period of time is to create a child thread. Within the child thread, most of the actual workings of the codes can be placed, so that the main thread runs with minimal periods of unresponsive times.
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