Android Interface Properties

 

Some important attributes used by relativelayout:

Class 1: the property value is true or false.
Android: layout_centerhrizontal horizontal center
Android: layout_centervertical vertical center
Android: layout_centerinparent is completely centered over the parent Element
Android: layout_alignparentbottom: attach the lower edge of the parent Element
Android: layout_alignparentleft: Stick the left edge of the parent Element
Android: layout_alignparentright: attaches the right edge of the parent element.
Android: layout_alignparenttop: top the parent Element
Android: layout_alignwithparentifmissing

Class 2: the property value must be the reference name "@ ID/ID-name" of the ID"
Android: layout_below is under an element
Android: layout_abve is above an element.
Android: layout_toleftof on the left of an element
Android: layout_torightof on the right of an element

Android: layout_aligntop: Align the top edge of an element with the top edge of an element.
Android: layout_alignleft: Align the left edge of an element with the left edge of an element.
Android: layout_alignbottom: the bottom edge of the current element is aligned with the bottom edge of an element.
Android: layout_alignright: the right edge of an element is aligned with the right edge of an element.

Category 3: attribute values are specific pixel values, such as 30dip and 40px.
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: padding = "15dip" padding refers to the padding (that is, the distance between the content and the border), and layout_margin refers to the margin (the distance between the top layer and the border ).

 

Textview

Android: hint

Sethint (INT)

This text is displayed when the content displayed in textview is empty.

Android: Typeface	Settypeface (typeface)	Set textview text font
Android: ellipsize	Setellipsize (textutils. truncateat)	If this attribute is set, content is omitted when the content to be displayed in textview spans the length of textview. Optional values include start, middle, end, and marquee.

Edittext
 

Android: shadowcolor

Setshadowlayer (float, INT)

Set the shadow of the specified color for the text box

Droid: shadowradius	Setshadowlayer (float, INT)	Set the shadow radius for the text box to a floating point number.
Android: singleline	Settransformationmethod (transformationmethod)	Set the single row mode of the text box