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Northern Virginia Community College *
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Information Systems
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Feb 20, 2024
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docx
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Question: What is ANR?
Answer: ANR is short for Application Not Responding. This is actually a dialog that appears to the user whenever an application have been unresponsive for a long period of time.
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 Orientation?
Answer: Orientation, which can be set using setOrientation(), dictates if the LinearLayout is represented as a row or as a column. Values are set as either HORIZONTAL or VERTICAL.
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 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 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 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 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.
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