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Commit eba02dbd authored by Harry Cutts's avatar Harry Cutts
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Add AXIS_GESTURE_{X,Y}_OFFSET MotionEvent axes 

These will be used to report the movements of swipe gestures on
touchpads.

Bug: 246758376
Test: check axis values come through in a test app
Change-Id: I056b7d1eb5dacf14bce6b32ee3fbb8a672f2d647
parent 4d05eedd

core/api/current.txt

+2 −0
Original line number Diff line number Diff line
@@ -49357,6 +49357,8 @@ package android.view { 
    field public static final int AXIS_GENERIC_7 = 38; // 0x26

    field public static final int AXIS_GENERIC_8 = 39; // 0x27

    field public static final int AXIS_GENERIC_9 = 40; // 0x28

    field public static final int AXIS_GESTURE_X_OFFSET = 48; // 0x30

    field public static final int AXIS_GESTURE_Y_OFFSET = 49; // 0x31

    field public static final int AXIS_HAT_X = 15; // 0xf

    field public static final int AXIS_HAT_Y = 16; // 0x10

    field public static final int AXIS_HSCROLL = 10; // 0xa

core/java/android/view/MotionEvent.java

+21 −0
Original line number Diff line number Diff line
@@ -1272,6 +1272,25 @@ public final class MotionEvent extends InputEvent implements Parcelable { 
     */

    public static final int AXIS_GENERIC_16 = 47;



    /**

     * Axis constant: X gesture offset axis of a motion event.

     * <p>

     * <ul>

     * <li>For a touch pad, reports the distance that a swipe gesture has moved in the X axis, as a

     * proportion of the touch pad's size. For example, if a touch pad is 1000 units wide, and a

     * swipe gesture starts at X = 500 then moves to X = 400, this axis would have a value of

     * -0.1.

     * </ul>

     */

    public static final int AXIS_GESTURE_X_OFFSET = 48;



    /**

     * Axis constant: Y gesture offset axis of a motion event.

     *

     * The same as {@link #AXIS_GESTURE_X_OFFSET}, but for the Y axis.

     */

    public static final int AXIS_GESTURE_Y_OFFSET = 49;



    // NOTE: If you add a new axis here you must also add it to:

    //  frameworks/native/include/android/input.h

    //  frameworks/native/libs/input/InputEventLabels.cpp
@@ -1325,6 +1344,8 @@ public final class MotionEvent extends InputEvent implements Parcelable { 
        names.append(AXIS_GENERIC_14, "AXIS_GENERIC_14");

        names.append(AXIS_GENERIC_15, "AXIS_GENERIC_15");

        names.append(AXIS_GENERIC_16, "AXIS_GENERIC_16");

        names.append(AXIS_GESTURE_X_OFFSET, "AXIS_GESTURE_X_OFFSET");

        names.append(AXIS_GESTURE_Y_OFFSET, "AXIS_GESTURE_Y_OFFSET");

    }



    /**