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Android Layout Types

Android Layout Types

Question

Layouts types on android

Short interview answer

Android View layouts are ViewGroup containers that position child views. Select the container that expresses the screen’s relationships without unnecessary nesting; common choices include linear, frame, and constraint-based layouts.

Detailed answer

A vertical form may use a linear arrangement; a layered image and badge can fit a frame arrangement; a responsive screen with relationships among multiple elements suits ConstraintLayout:

<androidx.constraintlayout.widget.ConstraintLayout ...>
    <ImageView android:id="@+id/avatar" ... />
    <TextView app:layout_constraintStart_toEndOf="@id/avatar" ... />
</androidx.constraintlayout.widget.ConstraintLayout>

A repeated collection is normally RecyclerView, not a giant static layout. Choose from the layout behavior required by the screen, then inspect the resulting hierarchy.

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