Alterer_infract_half-cock

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American Military University *

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101

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Computer Science

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May 15, 2024

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docx

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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: How do you remove icons and widgets from the main screen of the Android device? Answer: To remove an icon or shortcut, press and hold that icon. You then drag it downwards to the lower part of the screen where a remove button appears. Question: What is the proper way of setting up an Android-powered device for app development? Answer: The following are steps to be followed prior to actual application development in an Android-powered device: -Declare your application as “debuggable” in your Android Manifest. -Turn on “USB Debugging” on your device. -Set up your system to detect your device. 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. Question: What is a Fragment? Answer: A fragment is a part or portion of an activity. It is modular in a sense that you can move around or combine with other fragments in a single activity. Fragments are also reusable.

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: 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 are the different states wherein a process is based? Answer: There are 4 possible states: foreground activity, visible activity, background activity, empty process

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