Difference Between LinearLayout and RelativeLayout in Android - Software Development PDF Download

Difference Between LinearLayout and RelativeLayout in Android

LinearLayout

• LinearLayout is a type of view group responsible for organizing views either horizontally or vertically.
• It allows arranging groups in either horizontal or vertical orientation.

Example Diagram:

Syntax:

RelativeLayout

• RelativeLayout is a layout that allows arranging views/widgets based on the position of other views/widgets.
• It offers flexibility in positioning views according to specific requirements.

Example Diagram:

Difference Between LinearLayout and RelativeLayout

• LinearLayout
  • We can adjust views and widgets linearly, i.e., horizontally and vertically.
  • The layout_weight attribute in the linear layout is used to specify equal or specific sizes to particular widgets and views by using the android:layout_weight='0' attribute. Here, weight is set to 0 to provide equal size or space to each view or widget.
  • It is useful when arranging views in a linear fashion.
  • Example: In various apps, LinearLayout is commonly used in the SignUp screen where Name, Email, Phone Number, Submit buttons, etc., are arranged linearly.
  • LinearLayout is less used compared to RelativeLayout.
  • We can use LinearLayout inside RelativeLayout.
• RelativeLayout
  • We can adjust views and widgets according to one's satisfaction.
  • Various attributes like layout_toRightOf, layout_toLeftOf, layout_below, layout_alignParentTop, layout_top, layout_alignParentLeft, layout_alignParentRight are used to specify the position of each view and widget.
  • It is useful when arranging views in a relative fashion.
  • Syntax: <RelativeLayout> <!–Views, Widgets–> </RelativeLayout>
  • Example: In Google Play Store, when we open the app, the games, books, movies, and app sections are arranged using RelativeLayout.
  • RelativeLayout is more commonly used in applications.
  • We can also use RelativeLayout as a child of LinearLayout.

Program Explaining LinearLayout

• LinearLayout is a fundamental layout in Android development that arranges its children elements horizontally or vertically.
• It is defined within the XML layout files and allows for precise control over the positioning and sizing of UI elements.
• Attributes such as layout_width and layout_height determine the size of the LinearLayout.
• android:orientation specifies the orientation of the LinearLayout, either horizontal or vertical.
• Example: Suppose we have a LinearLayout with two TextView elements inside it. One TextView displays "Geeks" and the other displays "For Geeks".

Code Snippet Explanation

• The provided code snippet demonstrates the XML structure of a LinearLayout in an Android application.
• It includes TextView elements styled with various attributes like text color, size, and background.
• The code sets the orientation of the LinearLayout to horizontal and positions the TextView elements accordingly.
• This code snippet illustrates how to create a simple UI layout using a LinearLayout in Android.

Program Explaining RelativeLayout

• RelativeLayout Overview
• Properties of RelativeLayout
  • android:layout_width and android:layout_height
  • android:background
• Components of RelativeLayout
  • ImageView
  • TextView
• Attributes of ImageView
  • android:layout_width and android:layout_height
  • android:scaleType and android:src
• Attributes of TextView
  • android:layout_width and android:layout_height
  • android:text, android:textColor, and android:textSize

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