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<h2 title="Class VirtualJoystickView" class="title">Class VirtualJoystickView</h2>
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<li>java.lang.Object</li>
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<li>RelativeLayout</li>
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<li>org.ros.android.view.VirtualJoystickView</li>
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<pre>public class <span class="strong">VirtualJoystickView</span>
extends RelativeLayout
implements org.ros.message.MessageListener&lt;nav_msgs.Odometry&gt;, org.ros.node.NodeMain</pre>
<div class="block">VirtualJoystickView creates a virtual joystick view that publishes velocity
 as (geometry_msgs.Twist) messages. The current version contains the following
 features: snap to axes, turn in place, and resume previous velocity.</div>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><strong><a href="../../../../org/ros/android/view/VirtualJoystickView.html#VirtualJoystickView(Context)">VirtualJoystickView</a></strong>(Context&nbsp;context)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../org/ros/android/view/VirtualJoystickView.html#VirtualJoystickView(Context, AttributeSet)">VirtualJoystickView</a></strong>(Context&nbsp;context,
                   AttributeSet&nbsp;attrs)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../org/ros/android/view/VirtualJoystickView.html#VirtualJoystickView(Context, AttributeSet, int)">VirtualJoystickView</a></strong>(Context&nbsp;context,
                   AttributeSet&nbsp;attrs,
                   int&nbsp;defStyle)</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/ros/android/view/VirtualJoystickView.html#DisableSnapping()">DisableSnapping</a></strong>()</code>
<div class="block">Allows the user the option to turn off the auto-snap feature.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/ros/android/view/VirtualJoystickView.html#EnableSnapping()">EnableSnapping</a></strong>()</code>
<div class="block">Allows the user the option to turn on the auto-snap feature.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>org.ros.namespace.GraphName</code></td>
<td class="colLast"><code><strong><a href="../../../../org/ros/android/view/VirtualJoystickView.html#getDefaultNodeName()">getDefaultNodeName</a></strong>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/ros/android/view/VirtualJoystickView.html#onAnimationEnd(Animation)">onAnimationEnd</a></strong>(Animation&nbsp;animation)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/ros/android/view/VirtualJoystickView.html#onAnimationRepeat(Animation)">onAnimationRepeat</a></strong>(Animation&nbsp;animation)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/ros/android/view/VirtualJoystickView.html#onAnimationStart(Animation)">onAnimationStart</a></strong>(Animation&nbsp;animation)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/ros/android/view/VirtualJoystickView.html#onError(org.ros.node.Node, java.lang.Throwable)">onError</a></strong>(org.ros.node.Node&nbsp;node,
       java.lang.Throwable&nbsp;throwable)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/ros/android/view/VirtualJoystickView.html#onLayout(boolean, int, int, int, int)">onLayout</a></strong>(boolean&nbsp;changed,
        int&nbsp;l,
        int&nbsp;t,
        int&nbsp;r,
        int&nbsp;b)</code>
<div class="block">Initialize the fields with values that can only be determined once the
 layout for the views has been determined.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/ros/android/view/VirtualJoystickView.html#onNewMessage(nav_msgs.Odometry)">onNewMessage</a></strong>(nav_msgs.Odometry&nbsp;message)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/ros/android/view/VirtualJoystickView.html#onShutdown(org.ros.node.Node)">onShutdown</a></strong>(org.ros.node.Node&nbsp;node)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/ros/android/view/VirtualJoystickView.html#onShutdownComplete(org.ros.node.Node)">onShutdownComplete</a></strong>(org.ros.node.Node&nbsp;node)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/ros/android/view/VirtualJoystickView.html#onStart(org.ros.node.ConnectedNode)">onStart</a></strong>(org.ros.node.ConnectedNode&nbsp;connectedNode)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../org/ros/android/view/VirtualJoystickView.html#onTouchEvent(MotionEvent)">onTouchEvent</a></strong>(MotionEvent&nbsp;event)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/ros/android/view/VirtualJoystickView.html#setHolonomic(boolean)">setHolonomic</a></strong>(boolean&nbsp;enabled)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/ros/android/view/VirtualJoystickView.html#setTopicName(java.lang.String)">setTopicName</a></strong>(java.lang.String&nbsp;topicName)</code>&nbsp;</td>
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<h4>VirtualJoystickView</h4>
<pre>public&nbsp;VirtualJoystickView(Context&nbsp;context)</pre>
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<pre>public&nbsp;VirtualJoystickView(Context&nbsp;context,
                   AttributeSet&nbsp;attrs)</pre>
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<pre>public&nbsp;VirtualJoystickView(Context&nbsp;context,
                   AttributeSet&nbsp;attrs,
                   int&nbsp;defStyle)</pre>
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<pre>public&nbsp;void&nbsp;setHolonomic(boolean&nbsp;enabled)</pre>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>enabled</code> - <code>true</code> if this joystick should publish linear velocities
          along the Y axis instead of angular velocities along the Z axis,
          <code>false</code> otherwise</dd></dl>
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<pre>public&nbsp;void&nbsp;onAnimationEnd(Animation&nbsp;animation)</pre>
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<pre>public&nbsp;void&nbsp;onAnimationRepeat(Animation&nbsp;animation)</pre>
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<pre>public&nbsp;void&nbsp;onAnimationStart(Animation&nbsp;animation)</pre>
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<pre>public&nbsp;void&nbsp;onNewMessage(nav_msgs.Odometry&nbsp;message)</pre>
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<pre>public&nbsp;boolean&nbsp;onTouchEvent(MotionEvent&nbsp;event)</pre>
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<h4>EnableSnapping</h4>
<pre>public&nbsp;void&nbsp;EnableSnapping()</pre>
<div class="block">Allows the user the option to turn on the auto-snap feature.</div>
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<pre>public&nbsp;void&nbsp;DisableSnapping()</pre>
<div class="block">Allows the user the option to turn off the auto-snap feature.</div>
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<pre>protected&nbsp;void&nbsp;onLayout(boolean&nbsp;changed,
            int&nbsp;l,
            int&nbsp;t,
            int&nbsp;r,
            int&nbsp;b)</pre>
<div class="block">Initialize the fields with values that can only be determined once the
 layout for the views has been determined.</div>
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<pre>public&nbsp;void&nbsp;setTopicName(java.lang.String&nbsp;topicName)</pre>
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<pre>public&nbsp;org.ros.namespace.GraphName&nbsp;getDefaultNodeName()</pre>
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<dt><strong>Specified by:</strong></dt>
<dd><code>getDefaultNodeName</code>&nbsp;in interface&nbsp;<code>org.ros.node.NodeMain</code></dd>
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<pre>public&nbsp;void&nbsp;onStart(org.ros.node.ConnectedNode&nbsp;connectedNode)</pre>
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<dd><code>onStart</code>&nbsp;in interface&nbsp;<code>org.ros.node.NodeListener</code></dd>
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<pre>public&nbsp;void&nbsp;onShutdown(org.ros.node.Node&nbsp;node)</pre>
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<dd><code>onShutdown</code>&nbsp;in interface&nbsp;<code>org.ros.node.NodeListener</code></dd>
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