Dene as much of your ui in xml only instan7ate views

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Unformatted text preview: t;@+id/top" android:nextFocusUp="@+id/bo8om" ... /> <Bu8on android:id="@+id/bo8om" android:nextFocusDown="@+id/top" ... /> </LinearLayout> COMP 4521 (Muppala) Android UI Overview 33 UI Summary •  View hierarchy in Android •  Event driven programming –  Responding to events –  Event handling •  Android event handling: –  Event listeners –  Event handlers –  Touch mode COMP 4521 (Muppala) Android UI Overview 34 The Model- View- Controller (MVC) Framework The Model- View- Controller (MVC) Framework •  SoPware engineering architecture pa8ern –  Isola7on of domain logic from user interface –  Permits independent development, tes7ng and maintenance (separa7on of concerns) Controller View Model h8p://
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This document was uploaded on 03/12/2014.

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