Buradasın

Android UI Layout Basics

Yapay zekadan makale özeti

Layout Structure: Layouts define UI structure using View and ViewGroup objects
Views are visible elements, ViewGroups are invisible container structures
Layouts can be declared in XML or instantiated at runtime
XML Implementation: XML layouts must contain root View or ViewGroup element
XML files should be saved in res/layout/ directory
Layout resources are loaded in Activity.onCreate() using setContentView()
Attributes and Position: Views support unique IDs for identification
Layout parameters define size and position relative to parent
Views have measured and drawing dimensions with padding
Common Layout Types: LinearLayout organizes children in horizontal/vertical rows
RecyclerView and AdapterView handle dynamic content
ConstraintLayout provides flexible layout hierarchy
Data Handling: AdapterView populates views with external data
Adapters can handle different data types like strings and images
Click events can be handled in AdapterView items