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Commit 954aa0ef authored by Ameer Armaly's avatar Ameer Armaly Committed by Android (Google) Code Review
Browse files

Merge "Add multi-finger double tap and hold gestures."

parents 320d3852 259dadde

api/current.txt

+3 −0
Original line number Original line Diff line number Diff line
@@ -2876,6 +2876,7 @@ package android.accessibilityservice { 
    method public final void setServiceInfo(android.accessibilityservice.AccessibilityServiceInfo);

    method public final void setServiceInfo(android.accessibilityservice.AccessibilityServiceInfo);

    method public boolean takeScreenshot(int, @NonNull java.util.concurrent.Executor, @NonNull java.util.function.Consumer<android.accessibilityservice.AccessibilityService.ScreenshotResult>);

    method public boolean takeScreenshot(int, @NonNull java.util.concurrent.Executor, @NonNull java.util.function.Consumer<android.accessibilityservice.AccessibilityService.ScreenshotResult>);

    field public static final int GESTURE_2_FINGER_DOUBLE_TAP = 20; // 0x14

    field public static final int GESTURE_2_FINGER_DOUBLE_TAP = 20; // 0x14

    field public static final int GESTURE_2_FINGER_DOUBLE_TAP_AND_HOLD = 40; // 0x28

    field public static final int GESTURE_2_FINGER_SINGLE_TAP = 19; // 0x13

    field public static final int GESTURE_2_FINGER_SINGLE_TAP = 19; // 0x13

    field public static final int GESTURE_2_FINGER_SWIPE_DOWN = 26; // 0x1a

    field public static final int GESTURE_2_FINGER_SWIPE_DOWN = 26; // 0x1a

    field public static final int GESTURE_2_FINGER_SWIPE_LEFT = 27; // 0x1b

    field public static final int GESTURE_2_FINGER_SWIPE_LEFT = 27; // 0x1b
@@ -2883,6 +2884,7 @@ package android.accessibilityservice { 
    field public static final int GESTURE_2_FINGER_SWIPE_UP = 25; // 0x19

    field public static final int GESTURE_2_FINGER_SWIPE_UP = 25; // 0x19

    field public static final int GESTURE_2_FINGER_TRIPLE_TAP = 21; // 0x15

    field public static final int GESTURE_2_FINGER_TRIPLE_TAP = 21; // 0x15

    field public static final int GESTURE_3_FINGER_DOUBLE_TAP = 23; // 0x17

    field public static final int GESTURE_3_FINGER_DOUBLE_TAP = 23; // 0x17

    field public static final int GESTURE_3_FINGER_DOUBLE_TAP_AND_HOLD = 41; // 0x29

    field public static final int GESTURE_3_FINGER_SINGLE_TAP = 22; // 0x16

    field public static final int GESTURE_3_FINGER_SINGLE_TAP = 22; // 0x16

    field public static final int GESTURE_3_FINGER_SWIPE_DOWN = 30; // 0x1e

    field public static final int GESTURE_3_FINGER_SWIPE_DOWN = 30; // 0x1e

    field public static final int GESTURE_3_FINGER_SWIPE_LEFT = 31; // 0x1f

    field public static final int GESTURE_3_FINGER_SWIPE_LEFT = 31; // 0x1f
@@ -2890,6 +2892,7 @@ package android.accessibilityservice { 
    field public static final int GESTURE_3_FINGER_SWIPE_UP = 29; // 0x1d

    field public static final int GESTURE_3_FINGER_SWIPE_UP = 29; // 0x1d

    field public static final int GESTURE_3_FINGER_TRIPLE_TAP = 24; // 0x18

    field public static final int GESTURE_3_FINGER_TRIPLE_TAP = 24; // 0x18

    field public static final int GESTURE_4_FINGER_DOUBLE_TAP = 38; // 0x26

    field public static final int GESTURE_4_FINGER_DOUBLE_TAP = 38; // 0x26

    field public static final int GESTURE_4_FINGER_DOUBLE_TAP_AND_HOLD = 42; // 0x2a

    field public static final int GESTURE_4_FINGER_SINGLE_TAP = 37; // 0x25

    field public static final int GESTURE_4_FINGER_SINGLE_TAP = 37; // 0x25

    field public static final int GESTURE_4_FINGER_SWIPE_DOWN = 34; // 0x22

    field public static final int GESTURE_4_FINGER_SWIPE_DOWN = 34; // 0x22

    field public static final int GESTURE_4_FINGER_SWIPE_LEFT = 35; // 0x23

    field public static final int GESTURE_4_FINGER_SWIPE_LEFT = 35; // 0x23

core/java/android/accessibilityservice/AccessibilityGestureEvent.java

+12 −0
Original line number Original line Diff line number Diff line
@@ -18,6 +18,7 @@ package android.accessibilityservice; 








import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_DOUBLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_DOUBLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_DOUBLE_TAP_AND_HOLD;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SINGLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SINGLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SWIPE_DOWN;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SWIPE_DOWN;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SWIPE_LEFT;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SWIPE_LEFT;
@@ -25,6 +26,7 @@ import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER 
import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SWIPE_UP;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SWIPE_UP;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_TRIPLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_TRIPLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_DOUBLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_DOUBLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_DOUBLE_TAP_AND_HOLD;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SINGLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SINGLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SWIPE_DOWN;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SWIPE_DOWN;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SWIPE_LEFT;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SWIPE_LEFT;
@@ -32,6 +34,7 @@ import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER 
import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SWIPE_UP;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SWIPE_UP;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_TRIPLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_TRIPLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_DOUBLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_DOUBLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_DOUBLE_TAP_AND_HOLD;

import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_SINGLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_SINGLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_SWIPE_DOWN;

import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_SWIPE_DOWN;

import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_SWIPE_LEFT;

import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_SWIPE_LEFT;
@@ -83,9 +86,11 @@ public final class AccessibilityGestureEvent implements Parcelable { 
    @IntDef(prefix = { "GESTURE_" }, value = {

    @IntDef(prefix = { "GESTURE_" }, value = {

            GESTURE_2_FINGER_SINGLE_TAP,

            GESTURE_2_FINGER_SINGLE_TAP,

            GESTURE_2_FINGER_DOUBLE_TAP,

            GESTURE_2_FINGER_DOUBLE_TAP,

            GESTURE_2_FINGER_DOUBLE_TAP_AND_HOLD,

            GESTURE_2_FINGER_TRIPLE_TAP,

            GESTURE_2_FINGER_TRIPLE_TAP,

            GESTURE_3_FINGER_SINGLE_TAP,

            GESTURE_3_FINGER_SINGLE_TAP,

            GESTURE_3_FINGER_DOUBLE_TAP,

            GESTURE_3_FINGER_DOUBLE_TAP,

            GESTURE_3_FINGER_DOUBLE_TAP_AND_HOLD,

            GESTURE_3_FINGER_TRIPLE_TAP,

            GESTURE_3_FINGER_TRIPLE_TAP,

            GESTURE_DOUBLE_TAP,

            GESTURE_DOUBLE_TAP,

            GESTURE_DOUBLE_TAP_AND_HOLD,

            GESTURE_DOUBLE_TAP_AND_HOLD,
@@ -114,6 +119,7 @@ public final class AccessibilityGestureEvent implements Parcelable { 
            GESTURE_3_FINGER_SWIPE_RIGHT,

            GESTURE_3_FINGER_SWIPE_RIGHT,

            GESTURE_3_FINGER_SWIPE_UP,

            GESTURE_3_FINGER_SWIPE_UP,

            GESTURE_4_FINGER_DOUBLE_TAP,

            GESTURE_4_FINGER_DOUBLE_TAP,

            GESTURE_4_FINGER_DOUBLE_TAP_AND_HOLD,

            GESTURE_4_FINGER_SINGLE_TAP,

            GESTURE_4_FINGER_SINGLE_TAP,

            GESTURE_4_FINGER_SWIPE_DOWN,

            GESTURE_4_FINGER_SWIPE_DOWN,

            GESTURE_4_FINGER_SWIPE_LEFT,

            GESTURE_4_FINGER_SWIPE_LEFT,
@@ -175,12 +181,18 @@ public final class AccessibilityGestureEvent implements Parcelable { 
        switch (eventType) {

        switch (eventType) {

            case GESTURE_2_FINGER_SINGLE_TAP: return "GESTURE_2_FINGER_SINGLE_TAP";

            case GESTURE_2_FINGER_SINGLE_TAP: return "GESTURE_2_FINGER_SINGLE_TAP";

            case GESTURE_2_FINGER_DOUBLE_TAP: return "GESTURE_2_FINGER_DOUBLE_TAP";

            case GESTURE_2_FINGER_DOUBLE_TAP: return "GESTURE_2_FINGER_DOUBLE_TAP";

            case GESTURE_2_FINGER_DOUBLE_TAP_AND_HOLD:

                return "GESTURE_2_FINGER_DOUBLE_TAP_AND_HOLD";

            case GESTURE_2_FINGER_TRIPLE_TAP: return "GESTURE_2_FINGER_TRIPLE_TAP";

            case GESTURE_2_FINGER_TRIPLE_TAP: return "GESTURE_2_FINGER_TRIPLE_TAP";

            case GESTURE_3_FINGER_SINGLE_TAP: return "GESTURE_3_FINGER_SINGLE_TAP";

            case GESTURE_3_FINGER_SINGLE_TAP: return "GESTURE_3_FINGER_SINGLE_TAP";

            case GESTURE_3_FINGER_DOUBLE_TAP: return "GESTURE_3_FINGER_DOUBLE_TAP";

            case GESTURE_3_FINGER_DOUBLE_TAP: return "GESTURE_3_FINGER_DOUBLE_TAP";

            case GESTURE_3_FINGER_DOUBLE_TAP_AND_HOLD:

                return "GESTURE_3_FINGER_DOUBLE_TAP_AND_HOLD";

            case GESTURE_3_FINGER_TRIPLE_TAP: return "GESTURE_3_FINGER_TRIPLE_TAP";

            case GESTURE_3_FINGER_TRIPLE_TAP: return "GESTURE_3_FINGER_TRIPLE_TAP";

            case GESTURE_4_FINGER_SINGLE_TAP: return "GESTURE_4_FINGER_SINGLE_TAP";

            case GESTURE_4_FINGER_SINGLE_TAP: return "GESTURE_4_FINGER_SINGLE_TAP";

            case GESTURE_4_FINGER_DOUBLE_TAP: return "GESTURE_4_FINGER_DOUBLE_TAP";

            case GESTURE_4_FINGER_DOUBLE_TAP: return "GESTURE_4_FINGER_DOUBLE_TAP";

            case GESTURE_4_FINGER_DOUBLE_TAP_AND_HOLD:

                return "GESTURE_4_FINGER_DOUBLE_TAP_AND_HOLD";

            case GESTURE_4_FINGER_TRIPLE_TAP: return "GESTURE_4_FINGER_TRIPLE_TAP";

            case GESTURE_4_FINGER_TRIPLE_TAP: return "GESTURE_4_FINGER_TRIPLE_TAP";

            case GESTURE_DOUBLE_TAP: return "GESTURE_DOUBLE_TAP";

            case GESTURE_DOUBLE_TAP: return "GESTURE_DOUBLE_TAP";

            case GESTURE_DOUBLE_TAP_AND_HOLD: return "GESTURE_DOUBLE_TAP_AND_HOLD";

            case GESTURE_DOUBLE_TAP_AND_HOLD: return "GESTURE_DOUBLE_TAP_AND_HOLD";

core/java/android/accessibilityservice/AccessibilityService.java

+9 −0
Original line number Original line Diff line number Diff line
@@ -411,6 +411,15 @@ public abstract class AccessibilityService extends Service { 
    /** The user has performed a four-finger triple tap gesture on the touch screen. */

    /** The user has performed a four-finger triple tap gesture on the touch screen. */

    public static final int GESTURE_4_FINGER_TRIPLE_TAP = 39;

    public static final int GESTURE_4_FINGER_TRIPLE_TAP = 39;





    /** The user has performed a two-finger double tap and hold gesture on the touch screen. */

    public static final int GESTURE_2_FINGER_DOUBLE_TAP_AND_HOLD = 40;



    /** The user has performed a three-finger double tap and hold gesture on the touch screen. */

    public static final int GESTURE_3_FINGER_DOUBLE_TAP_AND_HOLD = 41;



    /** The user has performed a two-finger double tap and hold gesture on the touch screen. */

    public static final int GESTURE_4_FINGER_DOUBLE_TAP_AND_HOLD = 42;



    /**

    /**

     * The {@link Intent} that must be declared as handled by the service.

     * The {@link Intent} that must be declared as handled by the service.

     */

     */

services/accessibility/java/com/android/server/accessibility/gestures/GestureManifold.java

+12 −0
Original line number Original line Diff line number Diff line
@@ -17,6 +17,7 @@ 
package com.android.server.accessibility.gestures;

package com.android.server.accessibility.gestures;





import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_DOUBLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_DOUBLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_DOUBLE_TAP_AND_HOLD;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SINGLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SINGLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SWIPE_DOWN;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SWIPE_DOWN;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SWIPE_LEFT;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SWIPE_LEFT;
@@ -24,6 +25,7 @@ import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER 
import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SWIPE_UP;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_SWIPE_UP;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_TRIPLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_2_FINGER_TRIPLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_DOUBLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_DOUBLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_DOUBLE_TAP_AND_HOLD;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SINGLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SINGLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SWIPE_DOWN;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SWIPE_DOWN;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SWIPE_LEFT;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SWIPE_LEFT;
@@ -31,6 +33,7 @@ import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER 
import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SWIPE_UP;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_SWIPE_UP;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_TRIPLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_3_FINGER_TRIPLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_DOUBLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_DOUBLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_DOUBLE_TAP_AND_HOLD;

import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_SINGLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_SINGLE_TAP;

import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_SWIPE_DOWN;

import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_SWIPE_DOWN;

import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_SWIPE_LEFT;

import static android.accessibilityservice.AccessibilityService.GESTURE_4_FINGER_SWIPE_LEFT;
@@ -131,6 +134,9 @@ class GestureManifold implements GestureMatcher.StateChangeListener { 
                new MultiFingerMultiTap(mContext, 2, 1, GESTURE_2_FINGER_SINGLE_TAP, this));

                new MultiFingerMultiTap(mContext, 2, 1, GESTURE_2_FINGER_SINGLE_TAP, this));

        mMultiFingerGestures.add(

        mMultiFingerGestures.add(

                new MultiFingerMultiTap(mContext, 2, 2, GESTURE_2_FINGER_DOUBLE_TAP, this));

                new MultiFingerMultiTap(mContext, 2, 2, GESTURE_2_FINGER_DOUBLE_TAP, this));

        mMultiFingerGestures.add(

                new MultiFingerMultiTapAndHold(

                        mContext, 2, 2, GESTURE_2_FINGER_DOUBLE_TAP_AND_HOLD, this));

        mMultiFingerGestures.add(

        mMultiFingerGestures.add(

                new MultiFingerMultiTap(mContext, 2, 3, GESTURE_2_FINGER_TRIPLE_TAP, this));

                new MultiFingerMultiTap(mContext, 2, 3, GESTURE_2_FINGER_TRIPLE_TAP, this));

        // Three-finger taps.

        // Three-finger taps.
@@ -138,6 +144,9 @@ class GestureManifold implements GestureMatcher.StateChangeListener { 
                new MultiFingerMultiTap(mContext, 3, 1, GESTURE_3_FINGER_SINGLE_TAP, this));

                new MultiFingerMultiTap(mContext, 3, 1, GESTURE_3_FINGER_SINGLE_TAP, this));

        mMultiFingerGestures.add(

        mMultiFingerGestures.add(

                new MultiFingerMultiTap(mContext, 3, 2, GESTURE_3_FINGER_DOUBLE_TAP, this));

                new MultiFingerMultiTap(mContext, 3, 2, GESTURE_3_FINGER_DOUBLE_TAP, this));

        mMultiFingerGestures.add(

                new MultiFingerMultiTapAndHold(

                        mContext, 3, 2, GESTURE_3_FINGER_DOUBLE_TAP_AND_HOLD, this));

        mMultiFingerGestures.add(

        mMultiFingerGestures.add(

                new MultiFingerMultiTap(mContext, 3, 3, GESTURE_3_FINGER_TRIPLE_TAP, this));

                new MultiFingerMultiTap(mContext, 3, 3, GESTURE_3_FINGER_TRIPLE_TAP, this));

        // Four-finger taps.

        // Four-finger taps.
@@ -145,6 +154,9 @@ class GestureManifold implements GestureMatcher.StateChangeListener { 
                new MultiFingerMultiTap(mContext, 4, 1, GESTURE_4_FINGER_SINGLE_TAP, this));

                new MultiFingerMultiTap(mContext, 4, 1, GESTURE_4_FINGER_SINGLE_TAP, this));

        mMultiFingerGestures.add(

        mMultiFingerGestures.add(

                new MultiFingerMultiTap(mContext, 4, 2, GESTURE_4_FINGER_DOUBLE_TAP, this));

                new MultiFingerMultiTap(mContext, 4, 2, GESTURE_4_FINGER_DOUBLE_TAP, this));

        mMultiFingerGestures.add(

                new MultiFingerMultiTapAndHold(

                        mContext, 4, 2, GESTURE_4_FINGER_DOUBLE_TAP_AND_HOLD, this));

        mMultiFingerGestures.add(

        mMultiFingerGestures.add(

                new MultiFingerMultiTap(mContext, 4, 3, GESTURE_4_FINGER_TRIPLE_TAP, this));

                new MultiFingerMultiTap(mContext, 4, 3, GESTURE_4_FINGER_TRIPLE_TAP, this));

        // Two-finger swipes.

        // Two-finger swipes.

services/accessibility/java/com/android/server/accessibility/gestures/MultiFingerMultiTap.java

+14 −12
Original line number Original line Diff line number Diff line
@@ -42,10 +42,10 @@ class MultiFingerMultiTap extends GestureMatcher { 
    // The acceptable distance the pointer can move and still count as a tap.

    // The acceptable distance the pointer can move and still count as a tap.

    private int mTouchSlop;

    private int mTouchSlop;

    // A tap counts when target number of fingers are down and up once.

    // A tap counts when target number of fingers are down and up once.

    private int mCompletedTapCount;

    protected int mCompletedTapCount;

    // A flag set to true when target number of fingers have touched down at once before.

    // A flag set to true when target number of fingers have touched down at once before.

    // Used to indicate what next finger action should be. Down when false and lift when true.

    // Used to indicate what next finger action should be. Down when false and lift when true.

    private boolean mIsTargetFingerCountReached = false;

    protected boolean mIsTargetFingerCountReached = false;

    // Store initial down points for slop checking and update when next down if is inside slop.

    // Store initial down points for slop checking and update when next down if is inside slop.

    private PointF[] mBases;

    private PointF[] mBases;

    // The points in bases that already have slop checked when onDown or onPointerDown.

    // The points in bases that already have slop checked when onDown or onPointerDown.
@@ -56,7 +56,11 @@ class MultiFingerMultiTap extends GestureMatcher { 
     * @throws IllegalArgumentException if <code>fingers<code/> is less than 2

     * @throws IllegalArgumentException if <code>fingers<code/> is less than 2

     *                                  or <code>taps<code/> is not positive.

     *                                  or <code>taps<code/> is not positive.

     */

     */

    MultiFingerMultiTap(Context context, int fingers, int taps, int gestureId,

    MultiFingerMultiTap(

            Context context,

            int fingers,

            int taps,

            int gestureId,

            GestureMatcher.StateChangeListener listener) {

            GestureMatcher.StateChangeListener listener) {

        super(gestureId, new Handler(context.getMainLooper()), listener);

        super(gestureId, new Handler(context.getMainLooper()), listener);

        Preconditions.checkArgument(fingers >= 2);

        Preconditions.checkArgument(fingers >= 2);
@@ -117,8 +121,7 @@ class MultiFingerMultiTap extends GestureMatcher { 
        cancelAfterDoubleTapTimeout(event, rawEvent, policyFlags);

        cancelAfterDoubleTapTimeout(event, rawEvent, policyFlags);





        final PointF nearest = findNearestPoint(rawEvent, mTouchSlop, false);

        final PointF nearest = findNearestPoint(rawEvent, mTouchSlop, false);

        if ((getState() == STATE_GESTURE_STARTED || getState() == STATE_CLEAR)

        if ((getState() == STATE_GESTURE_STARTED || getState() == STATE_CLEAR) && null != nearest) {

                && null != nearest) {

            // Increase current tap count when the user have all fingers lifted

            // Increase current tap count when the user have all fingers lifted

            // within the tap timeout since the target number of fingers are down.

            // within the tap timeout since the target number of fingers are down.

            if (mIsTargetFingerCountReached) {

            if (mIsTargetFingerCountReached) {
@@ -169,8 +172,7 @@ class MultiFingerMultiTap extends GestureMatcher { 
        } else {

        } else {

            nearest = findNearestPoint(rawEvent, mDoubleTapSlop, true);

            nearest = findNearestPoint(rawEvent, mDoubleTapSlop, true);

        }

        }

        if ((getState() == STATE_GESTURE_STARTED || getState() == STATE_CLEAR)

        if ((getState() == STATE_GESTURE_STARTED || getState() == STATE_CLEAR) && nearest != null) {

                && nearest != null) {

            // The user have all fingers down within the tap timeout since first finger down,

            // The user have all fingers down within the tap timeout since first finger down,

            // setting the timeout for fingers to be lifted.

            // setting the timeout for fingers to be lifted.

            if (currentFingerCount == mTargetFingerCount) {

            if (currentFingerCount == mTargetFingerCount) {
@@ -227,11 +229,11 @@ class MultiFingerMultiTap extends GestureMatcher { 
    }

    }





    /**

    /**

     * Find the nearest location to the given event in the bases.

     * Find the nearest location to the given event in the bases. If no one found, it could be not

     * If no one found, it could be not inside {@code slop}, filtered or empty bases.

     * inside {@code slop}, filtered or empty bases. When {@code filterMatched} is true, if the

     * When {@code filterMatched} is true, if the location of given event matches one of the points

     * location of given event matches one of the points in {@link

     * in {@link #mExcludedPointsForDownSlopChecked} it would be ignored. Otherwise, the location

     * #mExcludedPointsForDownSlopChecked} it would be ignored. Otherwise, the location will be

     * will be added to {@link #mExcludedPointsForDownSlopChecked}.

     * added to {@link #mExcludedPointsForDownSlopChecked}.

     *

     *

     * @param event to find nearest point in bases.

     * @param event to find nearest point in bases.

     * @param slop to check to the given location of the event.

     * @param slop to check to the given location of the event.