6. building a dynamic ui with fragmentsminhaenl/class/android_class/6. building a dynamic u… ·...
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6. Building a Dynamic UI with Fragments
Building Flexible UI
Fragment
• Hasitsownlifecycle• Receiveitsowninput• Addorremovewhileac8vityrunning• APPlevel11>recommended
Creating a Fragment
• Createclassextends“Fragment”• Mustuse“onCreateView()”• Fragmentalsoreceivessamelifecyclecallbackfunc8on
• E.g.pause()or..
Creating a Fragment
Building a Flexible UI
• Wecandesigndifferentlayoutbasedondevicesize
Building Flexible UI
MyFragmentAc8vity Ar8cleFragmentHeadlineFragment
Building a Flexible UI
new_ar8cles.xml
ar8cle_view.xml
How to add fragment (see MyFragmentActivity.java)
Communicating with other fragments HeadlineFragment.java
MyFragmentAc8vity.java
Let’s run a demo
• hOp://developer.android.com/shareables/training/FragmentBasics.zip
• hOp://ics.uci.edu/~minhaenl/class/android_class/MyExercise_fragment.zip
References
• hOps://developer.android.com/intl/ko/training/basics/fragments/index.html
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