程序包 me.zhanghai.android.fastscroll

类 SimpleViewHelper

java.lang.Object

me.zhanghai.android.fastscroll.SimpleViewHelper

所有已实现的接口:

FastScroller.ViewHelper

public abstract class SimpleViewHelper
extends Object
implements FastScroller.ViewHelper

构造器概要

构造器

构造器	说明
SimpleViewHelper()

方法概要

修饰符和类型	方法	说明
void	addOnPreDrawListener(Runnable listener)
void	addOnScrollChangedListener(Runnable listener)
void	addOnTouchEventListener(Predicate<MotionEvent> listener)
protected abstract int	computeVerticalScrollOffset()
protected abstract int	computeVerticalScrollRange()
void	draw(Canvas canvas)
int	getScrollOffset()
int	getScrollRange()
protected abstract int	getScrollX()
boolean	onInterceptTouchEvent(MotionEvent event)
void	onScrollChanged(int left, int top, int oldLeft, int oldTop)
boolean	onTouchEvent(MotionEvent event)
void	scrollTo(int offset)
protected abstract void	scrollTo(int x, int y)
protected abstract void	superDraw(Canvas canvas)
protected abstract boolean	superOnInterceptTouchEvent(MotionEvent event)
protected abstract void	superOnScrollChanged(int left, int top, int oldLeft, int oldTop)
protected abstract boolean	superOnTouchEvent(MotionEvent event)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 me.zhanghai.android.fastscroll.FastScroller.ViewHelper

getPopupText

构造器详细资料

SimpleViewHelper

public SimpleViewHelper()

方法详细资料

addOnPreDrawListener

public void addOnPreDrawListener(@Nullable
                                 Runnable listener)

指定者:

addOnPreDrawListener 在接口中 FastScroller.ViewHelper

draw

public void draw(@NonNull
                 Canvas canvas)

addOnScrollChangedListener

public void addOnScrollChangedListener(@Nullable
                                       Runnable listener)

指定者:

addOnScrollChangedListener 在接口中 FastScroller.ViewHelper

onScrollChanged

public void onScrollChanged(int left,
                            int top,
                            int oldLeft,
                            int oldTop)

addOnTouchEventListener

public void addOnTouchEventListener(@Nullable
                                    Predicate<MotionEvent> listener)

指定者:

addOnTouchEventListener 在接口中 FastScroller.ViewHelper

onInterceptTouchEvent

public boolean onInterceptTouchEvent(@NonNull
                                     MotionEvent event)

onTouchEvent

public boolean onTouchEvent(@NonNull
                            MotionEvent event)

getScrollRange

public int getScrollRange()

指定者:

getScrollRange 在接口中 FastScroller.ViewHelper

getScrollOffset

public int getScrollOffset()

指定者:

getScrollOffset 在接口中 FastScroller.ViewHelper

scrollTo

public void scrollTo(int offset)

指定者:

scrollTo 在接口中 FastScroller.ViewHelper

superDraw

protected abstract void superDraw(@NonNull
                                  Canvas canvas)

superOnScrollChanged

protected abstract void superOnScrollChanged(int left,
                                             int top,
                                             int oldLeft,
                                             int oldTop)

superOnInterceptTouchEvent

protected abstract boolean superOnInterceptTouchEvent(@NonNull
                                                      MotionEvent event)

superOnTouchEvent

protected abstract boolean superOnTouchEvent(@NonNull
                                             MotionEvent event)

computeVerticalScrollRange

protected abstract int computeVerticalScrollRange()

computeVerticalScrollOffset

protected abstract int computeVerticalScrollOffset()

getScrollX

protected abstract int getScrollX()

scrollTo

protected abstract void scrollTo(int x,
                                 int y)