Make OnBackAnimationCallback and BackEvent public. (79195a44) · Commits · e / os / android_frameworks_base

boot/preloaded-classes

+2 −2

Original line number	Diff line number	Diff line
		@@ -9358,8 +9358,8 @@ android.widget.inline.InlinePresentationSpec$1
		android.widget.inline.InlinePresentationSpec$BaseBuilder
		android.widget.inline.InlinePresentationSpec$Builder
		android.widget.inline.InlinePresentationSpec
		android.window.BackEvent$1
		android.window.BackEvent
		android.window.BackMotionEvent$1
		android.window.BackMotionEvent
		android.window.ClientWindowFrames$1
		android.window.ClientWindowFrames
		android.window.CompatOnBackInvokedCallback

config/preloaded-classes

+2 −2

Original line number	Diff line number	Diff line
		@@ -9389,8 +9389,8 @@ android.widget.inline.InlinePresentationSpec$1
		android.widget.inline.InlinePresentationSpec$BaseBuilder
		android.widget.inline.InlinePresentationSpec$Builder
		android.widget.inline.InlinePresentationSpec
		android.window.BackEvent$1
		android.window.BackEvent
		android.window.BackMotionEvent$1
		android.window.BackMotionEvent
		android.window.ClientWindowFrames$1
		android.window.ClientWindowFrames
		android.window.CompatOnBackInvokedCallback

core/api/current.txt

+16 −0

Original line number	Diff line number	Diff line
		@@ -59112,6 +59112,22 @@ package android.widget.inline {

		package android.window {

		public final class BackEvent {
		ctor public BackEvent(float, float, float, int);
		method @FloatRange(from=0, to=1) public float getProgress();
		method public int getSwipeEdge();
		method public float getTouchX();
		method public float getTouchY();
		field public static final int EDGE_LEFT = 0; // 0x0
		field public static final int EDGE_RIGHT = 1; // 0x1
		}

		public interface OnBackAnimationCallback extends android.window.OnBackInvokedCallback {
		method public default void onBackCancelled();
		method public default void onBackProgressed(@NonNull android.window.BackEvent);
		method public default void onBackStarted(@NonNull android.window.BackEvent);
		}

		public interface OnBackInvokedCallback {
		method public void onBackInvoked();
		}

core/java/android/window/BackEvent.java

+26 −66

Original line number	Diff line number	Diff line
		@@ -16,29 +16,24 @@

		package android.window;

		import android.annotation.FloatRange;
		import android.annotation.IntDef;
		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.os.Parcel;
		import android.os.Parcelable;
		import android.view.RemoteAnimationTarget;

		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;

		/**
		* Represents an event that is sent out by the system during back navigation gesture.
		* Holds information about the touch event, swipe direction and overall progress of the gesture
		* interaction.
		*
		* @hide
		* Object used to report back gesture progress.
		* Holds information about the touch event, swipe direction and the animation progress that
		* predictive back animations should seek to.
		*/
		public class BackEvent implements Parcelable {
		public final class BackEvent {
		/** Indicates that the edge swipe starts from the left edge of the screen */
		public static final int EDGE_LEFT = 0;
		/** Indicates that the edge swipe starts from the right edge of the screen */
		public static final int EDGE_RIGHT = 1;

		/** @hide */
		@IntDef({
		EDGE_LEFT,
		EDGE_RIGHT,
		@@ -52,78 +47,52 @@ public class BackEvent implements Parcelable {

		@SwipeEdge
		private final int mSwipeEdge;
		@Nullable
		private final RemoteAnimationTarget mDepartingAnimationTarget;

		/**
		* Creates a new {@link BackEvent} instance.
		* Creates a new {@link BackMotionEvent} instance.
		*
		* @param touchX Absolute X location of the touch point of this event.
		* @param touchY Absolute Y location of the touch point of this event.
		* @param progress Value between 0 and 1 on how far along the back gesture is.
		* @param swipeEdge Indicates which edge the swipe starts from.
		* @param departingAnimationTarget The remote animation target of the departing
		* application window.
		*/
		public BackEvent(float touchX, float touchY, float progress, @SwipeEdge int swipeEdge,
		@Nullable RemoteAnimationTarget departingAnimationTarget) {
		public BackEvent(float touchX, float touchY, float progress, @SwipeEdge int swipeEdge) {
		mTouchX = touchX;
		mTouchY = touchY;
		mProgress = progress;
		mSwipeEdge = swipeEdge;
		mDepartingAnimationTarget = departingAnimationTarget;
		}

		private BackEvent(@NonNull Parcel in) {
		mTouchX = in.readFloat();
		mTouchY = in.readFloat();
		mProgress = in.readFloat();
		mSwipeEdge = in.readInt();
		mDepartingAnimationTarget = in.readTypedObject(RemoteAnimationTarget.CREATOR);
		}

		public static final Creator<BackEvent> CREATOR = new Creator<BackEvent>() {
		@Override
		public BackEvent createFromParcel(Parcel in) {
		return new BackEvent(in);
		}

		@Override
		public BackEvent[] newArray(int size) {
		return new BackEvent[size];
		}
		};

		@Override
		public int describeContents() {
		return 0;
		}

		@Override
		public void writeToParcel(@NonNull Parcel dest, int flags) {
		dest.writeFloat(mTouchX);
		dest.writeFloat(mTouchY);
		dest.writeFloat(mProgress);
		dest.writeInt(mSwipeEdge);
		dest.writeTypedObject(mDepartingAnimationTarget, flags);
		}

		/**
		* Returns a value between 0 and 1 on how far along the back gesture is.
		* Returns a value between 0 and 1 on how far along the back gesture is. This value is
		* driven by the horizontal location of the touch point, and should be used as the fraction to
		* seek the predictive back animation with. Specifically,
		* <ol>
		* <li>The progress is 0 when the touch is at the starting edge of the screen (left or right),
		* and animation should seek to its start state.
		* <li>The progress is approximately 1 when the touch is at the opposite side of the screen,
		* and animation should seek to its end state. Exact end value may vary depending on
		* screen size.
		* </ol>
		* In-between locations are linearly interpolated based on horizontal distance from the starting
		* edge and smooth clamped to 1 when the distance exceeds a system-wide threshold.
		*/
		@FloatRange(from = 0, to = 1)
		public float getProgress() {
		return mProgress;
		}

		/**
		* Returns the absolute X location of the touch point.
		* Returns the absolute X location of the touch point, or NaN if the event is from
		* a button press.
		*/
		public float getTouchX() {
		return mTouchX;
		}

		/**
		* Returns the absolute Y location of the touch point.
		* Returns the absolute Y location of the touch point, or NaN if the event is from
		* a button press.
		*/
		public float getTouchY() {
		return mTouchY;
		@@ -132,20 +101,11 @@ public class BackEvent implements Parcelable {
		/**
		* Returns the screen edge that the swipe starts from.
		*/
		@SwipeEdge
		public int getSwipeEdge() {
		return mSwipeEdge;
		}

		/**
		* Returns the {@link RemoteAnimationTarget} of the top departing application window,
		* or {@code null} if the top window should not be moved for the current type of back
		* destination.
		*/
		@Nullable
		public RemoteAnimationTarget getDepartingAnimationTarget() {
		return mDepartingAnimationTarget;
		}

		@Override
		public String toString() {
		return "BackEvent{"

core/java/android/window/BackEvent.aidl→core/java/android/window/BackMotionEvent.aidl

+1 −1

Original line number	Diff line number	Diff line
		@@ -19,4 +19,4 @@ package android.window;
		/**
		* @hide
		*/
		parcelable BackEvent;
		parcelable BackMotionEvent;