【移动应用开发技术】如何解决Android Libgdx中ScrollPane和Actor事件冲突问题

【移动应用开发技术】如何解决AndroidLibgdx中ScrollPane和Actor事件冲突问题

/upload/information/20200623/125/126548.gif/**

*

Created

by

Danny.姜

on

17/7/26.

*/

public

class

TestAdapter

extends

ApplicationAdapter

{

Stage

stage;

ScrollPane

scrollPane;

Table

table;

private

float

lastStageX;

private

float

lastStageY;

ActorGestureListener

actorGestureListener;

private

InputListener

inputListener

=

new

InputListener()

{

@Override

public

boolean

touchDown(InputEvent

event,

float

x,

float

y,

int

pointer,

int

button)

{

Log.e("DANNY",

"actor

touch

down");

if

(pointer

==

0)

{

lastStageX

=

event.getStageX();

lastStageY

=

event.getStageY();

inStage

=

false;

}

return

true;

}

@Override

public

void

touchDragged(InputEvent

event,

float

x,

float

y,

int

pointer)

{

Log.e("DANNY",

"actor

touch

dragging");

Actor

actor

=

event.getListenerActor();

if

(cancelTouchFocus)

{

float

currentX

=

event.getStageX();

float

currentY

=

event.getStageY();

actor.moveBy(currentX

-

lastStageX,

currentY

-

lastStageY);

lastStageX

=

currentX;

lastStageY

=

currentY;

if

(!inStage)

{

Vector2

vector2

=

actor.localToStageCoordinates(new

Vector2());

actor.setPosition(vector2.x,

vector2.y);

stage.addActor(actor);

stage.cancelTouchFocusExcept(this,

actor);

inStage

=

true;

}

}

}

@Override

public

void

touchUp(InputEvent

event,

float

x,

float

y,

int

pointer,

int

button)

{

Log.e("DANNY",

"actor

touch

up");

cancelTouchFocus

=

false;

}

};

@Override

public

void

create()

{

super.create();

stage

=

new

Stage();

stage.setDebugAll(true);

Gdx.input.setInputProcessor(stage);

actorGestureListener

=

new

ActorGestureListener()

{

@Override

public

boolean

longPress(Actor

actor,

float

x,

float

y)

{

Log.e("DANNY",

"actor

gesture

listener

long

pressed");

cancelTouchFocus

=

true;

return

super.longPress(actor,

x,

y);

}

};

table

=

new

Table();

scrollPane

=

new

ScrollPane(table,

new

ScrollPane.ScrollPaneStyle());

scrollPane.setSize(stage.getWidth(),

500);

scrollPane.setScrollingDisabled(false,

true);

scrollPane.setCancelTouchFocus(false);

scrollPane.setSmoothScrolling(true);

scrollPane.setFlingTime(0);

stage.addActor(scrollPane);

initTable();

}

private

boolean

cancelTouchFocus

=

false;

private

boolean

inStage

=

false;

private

void

initTable()

{

for

(int

i

=

0;

i

<

10;

i++)

{

BaseGdxActor

actor

=

new

BaseGdxActor(new

TextureRegion(

new

Texture("badlogic.jpg")));

table.add(actor).width(actor.getWidth()).pad(10);

actor.addListener(actorGestureListener);

actor.addListener(inputListener);

}

}

@Override

public

void

render()

{

super.render();

Gdx.gl.glC