Ohiowa_secularise_arefy

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CUNY Queens College *

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123

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Information Systems

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May 7, 2024

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docx

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2

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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 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 do you think are some disadvantages of Android? Answer: Given that Android is an open-source platform, and the fact that different Android operating systems have been released on different mobile devices, there’s no clear cut policy to how applications can adapt with various OS versions and upgrades. One app that runs on this particular version of Android OS may or may not run on another version. Another disadvantage is that since mobile devices such as phones and tabs come in different sizes and forms, it poses a challenge for developers to create apps that can adjust correctly to the right screen size and other varying features and specs. Question: What is the Android Architecture? Answer: Android Architecture is made up of 4 key components: Linux Kernel, Libraries, Android Framework, Android Applications 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: What is a visible activity? Answer: A visible activity is one that sits behind a foreground dialog. It is actually visible to the user, but not necessarily being in the foreground itself.
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: What are containers? Answer: Containers, as the name itself implies, holds objects and widgets together, depending on which specific items are needed and in what particular arrangement that is wanted. Containers may hold labels, fields, buttons, or even child containers, as examples.
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