Oryzanin_outcroppings_areae

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Question: What composes a typical Android application project? Answer: A project under Android development, upon compilation, becomes an .apk file. This apk file format is actually made up of the AndroidManifest.xml file, application code, resource files, and other related files. Question: Enumerate the three key loops when monitoring an activity Answer: Entire lifetime – activity happens between onCreate and onDestroy, Visible lifetime – activity happens between onStart and onStop, Foreground lifetime – activity happens between onResume and onPause 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 language is supported by Android for application development? Answer: The main language supported is Java programming language. Java is the most popular language for app development, which makes it ideal even for new Android developers to quickly learn to create and deploy applications in the Android environment. Question: Describe Activities. Answer: Activities are what you refer to as the window to a user interface. Just as you create windows in order to display output or to ask for an input in the form of dialog boxes, activities play the same role, though it may not always be in the form of a user interface. Question: When is the onStop() method invoked? Answer: A call to onStop method happens when an activity is no longer visible to the user, either because another activity has taken over or if in front of that activity.

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: 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.

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