Merge "Cancel predictive back when sliding off back button" into main

import android.graphics.Color;

import android.graphics.Point;

import android.graphics.Rect;

import android.graphics.RectF;

import android.graphics.Region;

import android.graphics.Region.Op;

import android.graphics.drawable.Drawable;

import android.os.Handler;

import android.util.Property;

import android.view.Gravity;

import android.view.HapticFeedbackConstants;

import android.view.KeyEvent;

import android.view.MotionEvent;

import android.view.View;

    private void setBackButtonTouchListener(View buttonView,

            TaskbarNavButtonController navButtonController) {

        final RectF rect = new RectF();

        buttonView.setOnTouchListener((v, event) -> {

            if (event.getAction() == MotionEvent.ACTION_MOVE) return false;

            if (event.getAction() == MotionEvent.ACTION_DOWN) {

                rect.set(0, 0, v.getWidth(), v.getHeight());

            }

            boolean isCancelled = event.getAction() == MotionEvent.ACTION_CANCEL

                    || !rect.contains(event.getX(), event.getY());

            if (event.getAction() == MotionEvent.ACTION_MOVE && !isCancelled) return false;

            int motionEventAction = event.getAction();

            int keyEventAction = motionEventAction == MotionEvent.ACTION_DOWN

                    ? KeyEvent.ACTION_DOWN : ACTION_UP;

            boolean isCancelled = event.getAction() == MotionEvent.ACTION_CANCEL;

            navButtonController.sendBackKeyEvent(keyEventAction, isCancelled);

            if (motionEventAction == MotionEvent.ACTION_UP) {

            if (motionEventAction == MotionEvent.ACTION_UP && !isCancelled) {

                buttonView.performClick();

                buttonView.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY);

            }

            return false;

        });