Declaring a layout_marginHorizontal value is equivalent to declaring a layout_marginLeft and a layout_marginRight value. Adds extra space to the left and right sides of the View. Adds extra space to the end side of the View. Adds extra space to the bottom side of the View. Adds extra space to the left, top, right and bottom sides of a View, for example android:layout_marginRight=”10dp.” If you define a layout_margin value, then it’ll take precedence over any edge-specific values.

If you define a android:paddingVertical value, then it’ll take precedence over paddingTop and paddingBottom.Īndroid provides the following margin attributes: Adds extra space to the top and bottom edges. If you define a android:paddingHorizontal value then it’ll take precedence over paddingLeft and paddingRight, but not paddingStart or paddingEnd. Adds extra space to the left and right edges. If you define a android:padding value, then it’ll take precedence over any edge-specific values, such as paddingLeft and paddingTop, but it won’t override paddingStart or paddingEnd. Maintaining same order in both arrays let us to directly map the image of selected animal based on the position selected in the Spinner.Android provides the following padding attributes: The String array is used to store the names of animals and the int array is used to store the drawable id of their images. Public class MainActivity extends ActionBarActivity Note that there are two arrays in MainActivity.

Modify the MainActivity.java according to the following code. Notice that there is a UI component Spinner which is the combo box used to display some names of animals.

Modify the activity_main.xml as shown below.

Android studio spinner selected item