Common attribute descriptions for XML layouts in Android development

<!--     Common Property Description:     android:id= "@+id/button"  specifies the ID for the control     android:text= "nnnnnnnnnn" Specifies the display text for the control     android: Textsize= "12pt"   to let the text in the control display size     android:singleline= "True"  allows the text displayed in the control to be displayed on one line, and automatically omit Android if it is not displayed     : Gravity= "left"   lets the contents of the control display     android:padding= "16DP" so that the text in the control is within the padding size of the outer border of the control, which can be like padding_left in CSS ...     android:background= the  background color in the #ff0000 control     android:width= "1060dip" specifies the width of the control, as if it does not work     android:height= " 200dip "Specifies the height of the control, as     if the android:layout_width=" 200DP "  control layout width, if it is fill_parent indicates that the level fills the parent control with     android: Layout_height= "Wrap_content" fills the height; fill_parent means filling up the parent control, preferably not.     android:layout_weight= "1" represents the layout weight with the sibling control, if two are 1 that is one half, the number of large occupy more    space  -

<Relativelayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Xmlns:tools= "Http://schemas.android.com/tools"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent"Tools:context=". Mainactivity ">    <LinearLayoutandroid:orientation= "vertical"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent"Android:layout_alignparentleft= "true"Android:layout_alignparentstart= "true">        <ButtonAndroid:layout_width= "Fill_parent"Android:layout_height= "Wrap_content"Android:text= "NNN"Android:width= "160DP"Android:height= "200DP"Android:background= "#ff0000"android:textsize= "12pt"android:gravity= "Right"android:padding= "16DP"Android:singleline= "true"Android:layout_weight= "1"Android:id= "@+id/button" />        <!--android:singleline= "True" indicates a single line display with an endless ellipsis -        <ButtonAndroid:layout_width= "Fill_parent"Android:layout_height= "Wrap_content"Android:text= "New button"Android:id= "@+id/button4"android:layout_gravity= "Right"Android:layout_weight= "2" />    </LinearLayout></Relativelayout>

Common attribute descriptions for XML layouts in Android development