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% Document Info
\author{a.matamoros}
\pdfinfo{
  /Title (android-interview.pdf)
  /Creator (Cheatography)
  /Author (a.matamoros)
  /Subject (Android - Interview Cheat Sheet)
}

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\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
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    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Android - Interview Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{a.matamoros} via \textcolor{DarkBackground}{\uline{cheatography.com/122009/cs/22528/}}}
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\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}a.matamoros \\
  \uline{cheatography.com/a-matamoros} \\
  \end{tabulary}
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 24th April, 2020.\\
   Page {\thepage} of \pageref{LastPage}.
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\columnbreak
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
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  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
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\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{General Questions}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{This interview will have different sections. In this first part, I would like to talk about your experience and background.} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}-{}--} \tn 
% Row Count 4 (+ 1)
% Row 2
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\mymulticolumn{1}{x{5.377cm}}{Would you like to go ahead and tell me about it?} \tn 
% Row Count 5 (+ 1)
% Row 3
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\mymulticolumn{1}{x{5.377cm}}{Which is the most challenging project that you have faced so far?} \tn 
% Row Count 7 (+ 2)
% Row 4
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\mymulticolumn{1}{x{5.377cm}}{Did you run into any obstacles with this project and how did you handle the issue?} \tn 
% Row Count 9 (+ 2)
% Row 5
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\mymulticolumn{1}{x{5.377cm}}{About the teams you have been involved in  - Were they distributed in other countries?} \tn 
% Row Count 11 (+ 2)
% Row 6
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\mymulticolumn{1}{x{5.377cm}}{About the Methodology - Was it agile?} \tn 
% Row Count 12 (+ 1)
% Row 7
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\mymulticolumn{1}{x{5.377cm}}{Did you usually follow all the ceremonies?} \tn 
% Row Count 13 (+ 1)
% Row 8
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\mymulticolumn{1}{x{5.377cm}}{Have you ever lead a team?} \tn 
% Row Count 14 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Android Core}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Tell all the Android application components.} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Activities, Services, Broadcast Receiver, and Content Provider.} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{What is Context? How is it used?} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}- Interface to global information about an application environment.\{\{nl\}\}- It allows access to application-specific resources and classes, as well as up-calls for application-level operations such as launching activities, broadcasting and receiving intents, etc.} \tn 
% Row Count 10 (+ 7)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{How many contexts can you mention?} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Application \& Activity} \tn 
% Row Count 12 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{What is the AndroidManifest.xml} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}- All App components are declared in this file.\{\{nl\}\}- User permissions that the app requires.\{\{nl\}\}- Declares hardware and software features used or required by the app\{\{nl\}\}- Declares API libraries the app needs to be linked (Maps)} \tn 
% Row Count 18 (+ 6)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{What is Application class?} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}- Base class that contains all other components.\{\{nl\}\}- It is instantiated before any other class when the process for your application/package is created.} \tn 
% Row Count 23 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Activities}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{What is an Activity?} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}An activity is the entry point for interacting with the user} \tn 
% Row Count 3 (+ 3)
% Row 1
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\mymulticolumn{1}{x{5.377cm}}{Can you explain the life cycle of the Activity?} \tn 
% Row Count 4 (+ 1)
% Row 2
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\mymulticolumn{1}{x{5.377cm}}{What happens when the device is rotated?} \tn 
% Row Count 5 (+ 1)
% Row 3
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\mymulticolumn{1}{x{5.377cm}}{How do you avoid this information to be lost?} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}{\bf{onSavedInstanceState()}} - This method is used to store data before pausing the activity.\{\{nl\}\}{\bf{onRestoreInstanceState()}} - This method is used to recover the saved state of an activity when the activity is recreated after destruction.} \tn 
% Row Count 12 (+ 7)
% Row 4
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\mymulticolumn{1}{x{5.377cm}}{What if I want to send info from one activity to another?} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Intents (primitive types)} \tn 
% Row Count 15 (+ 3)
% Row 5
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\mymulticolumn{1}{x{5.377cm}}{But what if I want to send an Object?} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}{\bf{Parcelable}} or {\bf{Serializable}}} \tn 
% Row Count 17 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Can an Activity be opened from another App?} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Yes, you need to add an `\textless{}intent-filter\textgreater{}` element in your manifest file for the corresponding `\textless{}activity\textgreater{}` element.} \tn 
% Row Count 21 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Services}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{What is a Service?} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Long-running operations in the background} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Foreground Service?} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Performs some operation that is noticeable to the user} \tn 
% Row Count 5 (+ 3)
% Row 2
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\mymulticolumn{1}{x{5.377cm}}{Background Service?} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Performs an operation that isn't directly noticed by the user.} \tn 
% Row Count 8 (+ 3)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Bound Service?} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}- A bound service offers a client-server interface that allows components to interact with the service.\{\{nl\}\}- bindService()\{\{nl\}\}- Runs only as long as another application component is bound to it} \tn 
% Row Count 14 (+ 6)
% Row 4
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\mymulticolumn{1}{x{5.377cm}}{Service vs IntentService} \tn 
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% Row 5
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\mymulticolumn{1}{x{5.377cm}}{Service:} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Block UI, Main Thread, Short tasks, Need to stop it} \tn 
% Row Count 18 (+ 3)
% Row 6
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\mymulticolumn{1}{x{5.377cm}}{IntentService:} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Async, Need an intent, Worker thread, Not need to stop it} \tn 
% Row Count 21 (+ 3)
% Row 7
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\mymulticolumn{1}{x{5.377cm}}{What is a JobScheduler?} \tn 
% Row Count 22 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}