Frequent use of relativelayout attributes

Source: Internet
Author: User

The following describes 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 assuming that the corresponding sibling element cannot be found, the parent element will be used as a photo.

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 detailed 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

Excerpted from: the journal http://www.douban.com/note/97496783/ of jessck

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