\select@language {ngerman} \contentsline {section}{\numberline {1}Einleitung}{2}{section.1} \contentsline {section}{\numberline {2}Grundlagen}{3}{section.2} \contentsline {subsection}{\numberline {2.1}Aktuelle Entwicklungen}{3}{subsection.2.1} \contentsline {subsection}{\numberline {2.2}Vorraussetzungen}{4}{subsection.2.2} \contentsline {subsection}{\numberline {2.3}Ziele}{5}{subsection.2.3} \contentsline {subsection}{\numberline {2.4}Verfahren}{6}{subsection.2.4} \contentsline {section}{\numberline {3}Technische Grundlagen}{8}{section.3} \contentsline {subsection}{\numberline {3.1}Betriebsysteme f\IeC {\"u}r mobile Ger\IeC {\"a}te}{8}{subsection.3.1} \contentsline {subsubsection}{\numberline {3.1.1}Windows Mobile}{9}{subsubsection.3.1.1} \contentsline {subsubsection}{\numberline {3.1.2}Android}{9}{subsubsection.3.1.2} \contentsline {subsubsection}{\numberline {3.1.3}WebOS}{9}{subsubsection.3.1.3} \contentsline {subsubsection}{\numberline {3.1.4}iPhone OS}{9}{subsubsection.3.1.4} \contentsline {subsubsection}{\numberline {3.1.5}Symbian OS}{10}{subsubsection.3.1.5} \contentsline {subsubsection}{\numberline {3.1.6}Zielplattform}{10}{subsubsection.3.1.6} \contentsline {subsection}{\numberline {3.2}Softwaregrundlagen}{10}{subsection.3.2} \contentsline {subsubsection}{\numberline {3.2.1}CeGCC}{11}{subsubsection.3.2.1} \contentsline {subsubsection}{\numberline {3.2.2}Enlightenment}{11}{subsubsection.3.2.2} \contentsline {section}{\numberline {4}Friend Finder}{13}{section.4} \contentsline {subsection}{\numberline {4.1}Verwendete Verfahren und Bibliotheken}{13}{subsection.4.1} \contentsline {subsubsection}{\numberline {4.1.1}Graphische Benutzeroberfl\IeC {\"a}che}{13}{subsubsection.4.1.1} \contentsline {subsubsection}{\numberline {4.1.2}Versenden der Nachrichten}{13}{subsubsection.4.1.2} \contentsline {subsubsection}{\numberline {4.1.3}Versenden der eigenen Position}{15}{subsubsection.4.1.3} \contentsline {subsubsection}{\numberline {4.1.4}Empfangen von Positionen}{16}{subsubsection.4.1.4} \contentsline {subsubsection}{\numberline {4.1.5}Erzeugen eines 2D-Barcodes}{17}{subsubsection.4.1.5} \contentsline {subsection}{\numberline {4.2}Analyse}{18}{subsection.4.2} \contentsline {subsubsection}{\numberline {4.2.1}Allgemeiner Datenverkehr}{19}{subsubsection.4.2.1} \contentsline {subsubsection}{\numberline {4.2.2}Versenden und Empfangen von Nachrichten}{19}{subsubsection.4.2.2} \contentsline {subsubsection}{\numberline {4.2.3}Versenden und Empfangen von Positionen}{20}{subsubsection.4.2.3} \contentsline {subsubsection}{\numberline {4.2.4}Fazit der Auswertung}{20}{subsubsection.4.2.4} \contentsline {section}{\numberline {5}Fazit}{23}{section.5}