Re: [android-developers] How rotate a line in Android XML?

The answer is to also make fromDegrees="45". I thought from/toDegrees referred to point 0 and point "n" of the line, but it refers to animation. The rotate XML node is an animation. So you're telling it to move it from 45 degrees to 45 degrees (there's no other way to rotate a line in XML layout). Just set the duration of the animation to 0.

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From: don rhummy <donrhummy@yahoo.com>
To: Android Developers <android-developers@googlegroups.com>
Sent: Tuesday, March 5, 2013 8:56 PM
Subject: [android-developers] How rotate a line in Android XML?

I'm trying to draw a diagonal line in an Android app with the XML, but it is not working. It simply draws a horizontal line.

main.xml

<RelativeLayout xmlns: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"      android:paddingBottom="@dimen/activity_vertical_margin"      android:paddingLeft="@dimen/activity_horizontal_margin"      android:paddingRight="@dimen/activity_horizontal_margin"      android:paddingTop="@dimen/activity_vertical_margin"      tools:context=".TestActivity" >        <RelativeLayout      android:layout_width="match_parent"      android:layout_height="match_parent"      android:layout_alignParentLeft="true"      android:layout_alignParentTop="true"       style="@style/diagonalStyle">      </RelativeLayout>    </RelativeLayout>

styles.xml

<resources xmlns:android="http://schemas.android.com/apk/res/android">        <style name="diagonalStyle">      <item name="android:background">@drawable/background</item>      </style>    </resources>

background.xml

<?xml version="1.0" encoding="utf-8"?>  <layer-list xmlns:android="http://schemas.android.com/apk/res/android" >        <item>      <rotate          android:fromDegrees="0"          android:toDegrees="45"          android:pivotX="50%"          android:pivotY="50%" >        <shape            android:shape="line"            android:top="1dip" >            <stroke            android:width="1dip"            android:color="#FF0000" />        </shape>        </rotate>      </item>    </layer-list>

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