New View.dispatchDisplayHint() API. (43c9cdff) · Commits · e / os / android_frameworks_base

api/current.xml

+26 −0

Original line number	Diff line number	Diff line
		@@ -169579,6 +169579,19 @@
		visibility="public"
		>
		</method>
		<method name="dispatchDisplayHint"
		return="void"
		abstract="false"
		native="false"
		synchronized="false"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		<parameter name="hint" type="int">
		</parameter>
		</method>
		<method name="dispatchDraw"
		return="void"
		abstract="false"
		@@ -171307,6 +171320,19 @@
		visibility="protected"
		>
		</method>
		<method name="onDisplayHint"
		return="void"
		abstract="false"
		native="false"
		synchronized="false"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="protected"
		>
		<parameter name="hint" type="int">
		</parameter>
		</method>
		<method name="onDraw"
		return="void"
		abstract="false"

core/java/android/view/View.java

+29 −2

Original line number	Diff line number	Diff line
		@@ -3789,7 +3789,8 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
		* ViewGroups should override to route to their children.
		* @param changedView The view whose visibility changed. Could be 'this' or
		* an ancestor view.
		* @param visibility The new visibility of changedView.
		* @param visibility The new visibility of changedView: {@link #VISIBLE},
		* {@link #INVISIBLE} or {@link #GONE}.
		*/
		protected void dispatchVisibilityChanged(View changedView, int visibility) {
		onVisibilityChanged(changedView, visibility);
		@@ -3799,11 +3800,37 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
		* Called when the visibility of the view or an ancestor of the view is changed.
		* @param changedView The view whose visibility changed. Could be 'this' or
		* an ancestor view.
		* @param visibility The new visibility of changedView.
		* @param visibility The new visibility of changedView: {@link #VISIBLE},
		* {@link #INVISIBLE} or {@link #GONE}.
		*/
		protected void onVisibilityChanged(View changedView, int visibility) {
		}

		/**
		* Dispatch a hint about whether this view is displayed. For instance, when
		* a View moves out of the screen, it might receives a display hint indicating
		* the view is not displayed. Applications should not <em>rely</em> on this hint
		* as there is no guarantee that they will receive one.
		*
		* @param hint A hint about whether or not this view is displayed:
		* {@link #VISIBLE} or {@link #INVISIBLE}.
		*/
		public void dispatchDisplayHint(int hint) {
		onDisplayHint(hint);
		}

		/**
		* Gives this view a hint about whether is displayed or not. For instance, when
		* a View moves out of the screen, it might receives a display hint indicating
		* the view is not displayed. Applications should not <em>rely</em> on this hint
		* as there is no guarantee that they will receive one.
		*
		* @param hint A hint about whether or not this view is displayed:
		* {@link #VISIBLE} or {@link #INVISIBLE}.
		*/
		protected void onDisplayHint(int hint) {
		}

		/**
		* Dispatch a window visibility change down the view hierarchy.
		* ViewGroups should override to route to their children.

core/java/android/view/ViewGroup.java

+13 −0

Original line number	Diff line number	Diff line
		@@ -680,6 +680,19 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
		}
		}

		/**
		* {@inheritDoc}
		*/
		@Override
		public void dispatchDisplayHint(int hint) {
		super.dispatchDisplayHint(hint);
		final int count = mChildrenCount;
		final View[] children = mChildren;
		for (int i = 0; i < count; i++) {
		children[i].dispatchDisplayHint(hint);
		}
		}

		/**
		* {@inheritDoc}
		*/

core/java/android/widget/AbsListView.java

+18 −1

Original line number	Diff line number	Diff line
		@@ -2852,6 +2852,23 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
		checkSelectionChanged();
		}

		@Override
		protected void onDisplayHint(int hint) {
		super.onDisplayHint(hint);
		switch (hint) {
		case INVISIBLE:
		if (mPopup != null && mPopup.isShowing()) {
		dismissPopup();
		}
		break;
		case VISIBLE:
		if (mFiltered && mPopup != null && !mPopup.isShowing()) {
		showPopup();
		}
		break;
		}
		}

		/**
		* Removes the filter window
		*/
		@@ -3140,7 +3157,7 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
		}
		} else {
		// Hide the popup when we are no longer visible
		if (mPopup.isShowing()) {
		if (mPopup != null && mPopup.isShowing()) {
		dismissPopup();
		}
		}

core/java/android/widget/AutoCompleteTextView.java

+12 −0

Original line number	Diff line number	Diff line
		@@ -1032,6 +1032,18 @@ public class AutoCompleteTextView extends EditText implements Filter.FilterListe
		}
		}

		@Override
		protected void onDisplayHint(int hint) {
		super.onDisplayHint(hint);
		switch (hint) {
		case INVISIBLE:
		if (!mDropDownAlwaysVisible) {
		dismissDropDown();
		}
		break;
		}
		}

		@Override
		protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
		super.onFocusChanged(focused, direction, previouslyFocusedRect);