Add ability to enable layout transition animations by default from XML (13cc1207) · Commits · e / os / android_frameworks_base

api/current.xml

+22 −0

Original line number	Diff line number	Diff line
		@@ -2341,6 +2341,17 @@
		visibility="public"
		>
		</field>
		<field name="animateLayoutChanges"
		type="int"
		transient="false"
		volatile="false"
		value="16843570"
		static="true"
		final="true"
		deprecated="not deprecated"
		visibility="public"
		>
		</field>
		<field name="animateOnClick"
		type="int"
		transient="false"
		@@ -201053,6 +201064,17 @@
		visibility="public"
		>
		</method>
		<method name="getLayoutTransition"
		return="android.animation.LayoutTransition"
		abstract="false"
		native="false"
		synchronized="false"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		</method>
		<method name="getPersistentDrawingCache"
		return="int"
		abstract="false"

core/java/android/view/ViewGroup.java

+24 −1

Original line number	Diff line number	Diff line
		@@ -65,6 +65,7 @@ import java.util.ArrayList;
		* @attr ref android.R.styleable#ViewGroup_alwaysDrawnWithCache
		* @attr ref android.R.styleable#ViewGroup_addStatesFromChildren
		* @attr ref android.R.styleable#ViewGroup_descendantFocusability
		* @attr ref android.R.styleable#ViewGroup_animateLayoutChanges
		*/
		public abstract class ViewGroup extends View implements ViewParent, ViewManager {

		@@ -382,6 +383,12 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
		case R.styleable.ViewGroup_splitMotionEvents:
		setMotionEventSplittingEnabled(a.getBoolean(attr, false));
		break;
		case R.styleable.ViewGroup_animateLayoutChanges:
		boolean animateLayoutChanges = a.getBoolean(attr, false);
		if (animateLayoutChanges) {
		setLayoutTransition(new LayoutTransition());
		}
		break;
		}
		}

		@@ -2594,11 +2601,27 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
		*
		* @param transition The LayoutTransition object that will animated changes in layout. A value
		* of <code>null</code> means no transition will run on layout changes.
		* @attr ref android.R.styleable#ViewGroup_animateLayoutChanges
		*/
		public void setLayoutTransition(LayoutTransition transition) {
		mTransition = transition;
		if (mTransition != null) {
		mTransition.addTransitionListener(mLayoutTransitionListener);
		}
		}

		/**
		* Gets the LayoutTransition object for this ViewGroup. If the LayoutTransition object is
		* not null, changes in layout which occur because of children being added to or removed from
		* the ViewGroup will be animated according to the animations defined in that LayoutTransition
		* object. By default, the transition object is null (so layout changes are not animated).
		*
		* @return LayoutTranstion The LayoutTransition object that will animated changes in layout.
		* A value of <code>null</code> means no transition will run on layout changes.
		*/
		public LayoutTransition getLayoutTransition() {
		return mTransition;
		}

		private void removeViewsInternal(int start, int count) {
		final OnHierarchyChangeListener onHierarchyChangeListener = mOnHierarchyChangeListener;

core/res/res/values/attrs.xml

+5 −0

Original line number	Diff line number	Diff line
		@@ -1403,6 +1403,11 @@
		of its subclasses. Also see {@link #ViewGroup_Layout} for
		attributes that this class processes in its children. -->
		<declare-styleable name="ViewGroup">
		<!-- Defines whether changes in layout (caused by adding and removing items) should
		cause a LayoutTransition to run. When this flag is set to true, a default
		LayoutTransition object will be set on the ViewGroup container and default
		animations will run when these layout changes occur.-->
		<attr name="animateLayoutChanges" format="boolean" />
		<!-- Defines whether a child is limited to draw inside of its bounds or not.
		This is useful with animations that scale the size of the children to more
		than 100% for instance. In such a case, this property should be set to false

core/res/res/values/public.xml

+2 −0

Original line number	Diff line number	Diff line
		@@ -1326,6 +1326,7 @@
		<public type="attr" name="splitMotionEvents" />
		<public type="attr" name="listChoiceBackgroundIndicator" />
		<public type="attr" name="spinnerMode" />
		<public type="attr" name="animateLayoutChanges" />

		<public type="anim" name="animator_fade_in" />
		<public type="anim" name="animator_fade_out" />
		@@ -1359,4 +1360,5 @@
		<public type="layout" name="simple_selectable_list_item" id="0x01090022" />

		<public type="string" name="selectTextMode" id="0x01040030" />

		</resources>