Klimesh_rattleran_vernacularly

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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 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 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: Is there a case wherein other qualifiers in multiple resources take precedence over locale? Answer: Yes, there are actually instances wherein some qualifiers can take precedence over locale. There are two known exceptions, which are the MCC (mobile country code) and MNC (mobile network code) qualifiers. 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 AIDL? Answer: AIDL, or Android Interface Definition Language, handles the interface requirements between a client and a service so both can communicate at the same level through interprocess communication or IPC. This process involves breaking down objects into primitives that Android can understand. This part is required simply because a process cannot access the memory of the other process. 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: 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: 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.
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