Android layout attributes

Android: id

Specify the corresponding ID for the control

Android: text

Specify the text displayed in the control. Note that strings in the strings. xml file should be used as much as possible here.

Android: gravity

Specifies the alignment mode of the View component. For example, the center and right positions indicate that the text position in the control is not the control itself.

Android: layout_gravity (different from: android: gravity)

Specifies the iner component alignment. for example, if a button is in linearlayout, you can set it by placing it on the left or right. take the button as an example. For android: layout_gravity = "right", the button is right-aligned.
Android: textSize

Specifies the font size in the control.

Android: background

Specifies the background color used by the control. The RGB naming method is used.

Android: width

Width of the control

Android: height

Height of the control

Android: layout_width

Specify the Container component width

Android: layout_height

Height of the Container component

Android: layout_weight

View is a very important attribute, divided by proportion of space

Android: padding *

Specifies the padding of the control, that is, the content of the control.

Android: sigleLine

If set to true, the control content is displayed in the same row.

Android: scaleType

Controls how images are resized/moved to match the size of the ImageView.

Android: layout_centerHrizontal

Horizontal Center

Android: layout_centerVertical

Vertical center

Android: layout_centerInparent

Completely centered relative to the parent Element

Android: layout_alignParentBottom

Stick the lower edge of the parent Element

Android: layout_alignParentLeft

Attach the left edge of the parent Element

Android: layout_alignParentRight

Attach the right edge of the parent Element

Android: layout_alignParentTop

Attach the upper edge of the parent Element

Android: layout_alignWithParentIfMissing

If the corresponding sibling element cannot be found, the parent element will be used as a reference object.

Android: layout_below

Below an element

Android: layout_abve

Above an element

Android: layout_toLeftOf

On the left of an element

Android: layout_toRightOf

On the Right of an element

Android: layout_alignTop

The top edge of the element is aligned with the top edge of an element.

Android: layout_alignLeft

The left edge of the element is aligned with the left edge of an element.

Android: layout_alignBottom

The bottom edge of the element is aligned with the bottom edge of an element.

Android: layout_alignRight

The right edge of the element is aligned with the right edge of an element.

Android: layout_marginBottom

Distance from the bottom edge of an element

Android: layout_marginLeft

Distance from the left edge of an element

Android: layout_marginRight

Distance from the right edge of an element

Android: layout_marginTop

Distance from the edge of an element

Android: paddingLeft

The distance between the content of the element and the right edge of the element.

Android: paddingRight

The distance between the content of the element and the edge of the element.

Android: hint

Prompt information in the input box when EditText is set to null

Android: LinearLayout

It determines the direction of LinearLayout. Its value can be vertical, indicating the vertical layout of horizontal, indicating the horizontal layout.