Android layout file attributes)

Common attributes

Android: id --- specify the corresponding ID for the control
Android: text --- specifies the text displayed in the control. Note that strings in the strings. xml file should be used as much as possible here.
Android: grimace --- specifies the basic position of the control, such as center and right. Here, the text position in the control is not the control itself.
Android: textSize --- specify the font size in the control
Android: background --- specifies the background color used by the control. The RGB naming method is used.
Android: width --- specify the width of the control
Android: height --- specify the height of the control
Android: padding * --- specifies the padding of the control, that is, the content in the control.
Android: sigleLine --- if set to true, the content of the control is displayed in the same row.

The following describes the relative layout attributes: RelativeLayout

Android: layout_above: place the bottom of the control above the given ID Control
Android: layout_below: place the top of the control under the control with the given ID
Android: layout_toLeftOf align the right edge of the control with the left edge of the control with the given ID
Android: layout_toRightOf align the left edge of the control with the right edge of the control with the given ID

Android: layout_alignBaseline the baseline of the control is aligned with the baseline of the control with the given ID
Android: layout_alignBottom: Align the bottom edge of the control with the bottom edge of the given ID Control
Android: layout_alignLeft: Align the left edge of the control with the given ID
Android: layout_alignRight: Align the right edge of the control with the right edge of the given ID Control
Android: layout_alignTop: Align the top edge of the control with the top edge of the control given ID

Android: alignParentBottom if the value is true, the bottom of the control is aligned with the bottom of the parent control.
Android: layout_alignParentLeft if the value is true, the left side of the control is aligned with the left side of the parent control.
Android: layout_alignParentRight if the value is true, the right side of the control is aligned with the right side of the parent control.
Android: layout_alignParentTop if the value is true, the top of the control is aligned with the top of the parent control.

Android: layout_centerHorizontal
Android: layout_centerInParent if true, the control will be centered in the horizontal and vertical directions of the parent Control
Android: layout_centerVertical if true, the control will be centered in the vertical direction
Android: layout_marginLeft this attribute is used to set the gap between controls (the gap between controls and the padding is different)
Android: padding = "3dip" indicates that the padding on the four sides is 3dip.

TableLayout

<TableLayout xmlns: android = "http://schemas.android.com/apk/res/android"
Android: orientation = "vertical"
Android: layout_width = "fill_parent"
Android: layout_height = "fill_parent"
Android: stretchColumns = "0"
> </TableLayout>

Android: stretchColumns = "0" the first column fills the entire row as the stretch Column

EditText attribute description

Android: scrollHorizontally
Set whether to display a horizontal bar when the text exceeds the TextView width.