PhotoViewAttacher (ImagePreview API)

java.lang.Object
- uk.co.senab2.photoview2.PhotoViewAttacher

所有已实现的接口:: android.view.View.OnTouchListener, android.view.ViewTreeObserver.OnGlobalLayoutListener, OnGestureListener, IPhotoView

public class PhotoViewAttacher
extends java.lang.Object
implements IPhotoView, android.view.View.OnTouchListener, OnGestureListener, android.view.ViewTreeObserver.OnGlobalLayoutListener

嵌套类概要

嵌套类
限定符和类型	类和说明
`static interface`	`PhotoViewAttacher.OnMatrixChangedListener` Interface definition for a callback to be invoked when the internal Matrix has changed for this View.
`static interface`	`PhotoViewAttacher.OnPhotoTapListener` Interface definition for a callback to be invoked when the Photo is tapped with a single tap.
`static interface`	`PhotoViewAttacher.OnScaleChangeListener` Interface definition for callback to be invoked when attached ImageView scale changes
`static interface`	`PhotoViewAttacher.OnSingleFlingListener` Interface definition for a callback to be invoked when the ImageView is fling with a single touch
`static interface`	`PhotoViewAttacher.OnViewTapListener` Interface definition for a callback to be invoked when the ImageView is tapped with a single tap.

字段概要
- 从接口继承的字段 uk.co.senab2.photoview2.IPhotoView
  DEFAULT_MAX_SCALE, DEFAULT_MID_SCALE, DEFAULT_MIN_SCALE, DEFAULT_ZOOM_DURATION

构造器概要

构造器
构造器和说明

PhotoViewAttacher(android.widget.ImageView imageView)

PhotoViewAttacher(android.widget.ImageView imageView, boolean zoomable)

构造器
构造器和说明
`PhotoViewAttacher(android.widget.ImageView imageView)`
`PhotoViewAttacher(android.widget.ImageView imageView, boolean zoomable)`

方法概要

所有方法实例方法具体方法
限定符和类型	方法和说明
`boolean`	`canZoom()` Returns true if the PhotoView is set to allow zooming of Photos.
`void`	`cleanup()` Clean-up the resources attached to this object.
`void`	`getDisplayMatrix(android.graphics.Matrix matrix)` Get the display matrix
`android.graphics.RectF`	`getDisplayRect()` Gets the Display Rectangle of the currently displayed Drawable.
`android.graphics.Matrix`	`getImageMatrix()`
`android.widget.ImageView`	`getImageView()`
`IPhotoView`	`getIPhotoViewImplementation()` Will return instance of IPhotoView (eg.
`float`	`getMaximumScale()`
`float`	`getMediumScale()`
`float`	`getMinimumScale()`
`float`	`getScale()` Returns the current scale value
`android.widget.ImageView.ScaleType`	`getScaleType()` Return the current scale type in use by the ImageView.
`void`	`getSuppMatrix(android.graphics.Matrix matrix)` Get the current support matrix
`android.graphics.Bitmap`	`getVisibleRectangleBitmap()` Extracts currently visible area to Bitmap object, if there is no image loaded yet or the ImageView is already destroyed, returns `null`
`void`	`onDrag(float dx, float dy)`
`void`	`onFling(float startX, float startY, float velocityX, float velocityY)`
`void`	`onGlobalLayout()`
`void`	`onScale(float scaleFactor, float focusX, float focusY)`
`boolean`	`onTouch(android.view.View v, android.view.MotionEvent ev)`
`void`	`resetMatrix()` Resets the Matrix back to FIT_CENTER, and then displays it.s
`void`	`setAllowParentInterceptOnEdge(boolean allow)` Whether to allow the ImageView's parent to intercept the touch event when the photo is scroll to it's horizontal edge.
`void`	`setBaseRotation(float degrees)`
`boolean`	`setDisplayMatrix(android.graphics.Matrix finalMatrix)` Sets the Display Matrix of the currently displayed Drawable.
`void`	`setMaximumScale(float maximumScale)` Sets the maximum scale level.
`void`	`setMediumScale(float mediumScale)` Sets the medium scale level.
`void`	`setMinimumScale(float minimumScale)` Sets the minimum scale level.
`void`	`setOnDoubleTapListener(android.view.GestureDetector.OnDoubleTapListener newOnDoubleTapListener)` Sets custom double tap listener, to intercept default given functions.
`void`	`setOnLongClickListener(android.view.View.OnLongClickListener listener)` Register a callback to be invoked when the Photo displayed by this view is long-pressed.
`void`	`setOnMatrixChangeListener(PhotoViewAttacher.OnMatrixChangedListener listener)` Register a callback to be invoked when the Matrix has changed for this View.
`void`	`setOnPhotoTapListener(PhotoViewAttacher.OnPhotoTapListener listener)` Register a callback to be invoked when the Photo displayed by this View is tapped with a single tap.
`void`	`setOnScaleChangeListener(PhotoViewAttacher.OnScaleChangeListener onScaleChangeListener)` Will report back about scale changes
`void`	`setOnSingleFlingListener(PhotoViewAttacher.OnSingleFlingListener onSingleFlingListener)` Will report back about fling(single touch)
`void`	`setOnViewTapListener(PhotoViewAttacher.OnViewTapListener listener)` Register a callback to be invoked when the View is tapped with a single tap.
`void`	`setRotationBy(float degrees)` Enables rotation via PhotoView internal functions.
`void`	`setRotationTo(float degrees)` Enables rotation via PhotoView internal functions.
`void`	`setScale(float scale)` Changes the current scale to the specified value.
`void`	`setScale(float scale, boolean animate)` Changes the current scale to the specified value.
`void`	`setScale(float scale, float focalX, float focalY, boolean animate)` Changes the current scale to the specified value, around the given focal point.
`void`	`setScaleLevels(float minimumScale, float mediumScale, float maximumScale)` Allows to set all three scale levels at once, so you don't run into problem with setting medium/minimum scale before the maximum one
`void`	`setScaleType(android.widget.ImageView.ScaleType scaleType)` Controls how the image should be resized or moved to match the size of the ImageView.
`void`	`setZoomable(boolean zoomable)` Allows you to enable/disable the zoom functionality on the ImageView.
`void`	`setZoomInterpolator(android.view.animation.Interpolator interpolator)` Set the zoom interpolator
`void`	`setZoomTransitionDuration(int milliseconds)` Allows to change zoom transition speed, default value is 200 (PhotoViewAttacher.DEFAULT_ZOOM_DURATION).
`void`	`update()`

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - PhotoViewAttacher
```
public PhotoViewAttacher(android.widget.ImageView imageView)
```
  - PhotoViewAttacher
```
public PhotoViewAttacher(android.widget.ImageView imageView,
                         boolean zoomable)
```
- 方法详细资料
  - setOnDoubleTapListener
```
public void setOnDoubleTapListener(android.view.GestureDetector.OnDoubleTapListener newOnDoubleTapListener)
```
    从接口复制的说明: IPhotoView
    
    Sets custom double tap listener, to intercept default given functions. To reset behavior to default, you can just pass in "null" or public field of PhotoViewAttacher.defaultOnDoubleTapListener
    
    指定者:
    
    setOnDoubleTapListener 在接口中 IPhotoView
    
    参数:
    
    newOnDoubleTapListener - custom OnDoubleTapListener to be set on ImageView
  - setOnScaleChangeListener
```
public void setOnScaleChangeListener(PhotoViewAttacher.OnScaleChangeListener onScaleChangeListener)
```
    从接口复制的说明: IPhotoView
    
    Will report back about scale changes
    
    指定者:
    
    setOnScaleChangeListener 在接口中 IPhotoView
    
    参数:
    
    onScaleChangeListener - OnScaleChangeListener instance
  - setOnSingleFlingListener
```
public void setOnSingleFlingListener(PhotoViewAttacher.OnSingleFlingListener onSingleFlingListener)
```
    从接口复制的说明: IPhotoView
    
    Will report back about fling(single touch)
    
    指定者:
    
    setOnSingleFlingListener 在接口中 IPhotoView
    
    参数:
    
    onSingleFlingListener - OnSingleFlingListener instance
  - canZoom
```
public boolean canZoom()
```
    从接口复制的说明: IPhotoView
    
    Returns true if the PhotoView is set to allow zooming of Photos.
    
    指定者:
    
    canZoom 在接口中 IPhotoView
    
    返回:
    
    true if the PhotoView allows zooming.
  - cleanup
```
public void cleanup()
```
    Clean-up the resources attached to this object. This needs to be called when the ImageView is no longer used. A good example is from View.onDetachedFromWindow() or from Activity.onDestroy(). This is automatically called if you are using PhotoView.
  - getDisplayRect
```
public android.graphics.RectF getDisplayRect()
```
    从接口复制的说明: IPhotoView
    
    Gets the Display Rectangle of the currently displayed Drawable. The Rectangle is relative to this View and includes all scaling and translations.
    
    指定者:
    
    getDisplayRect 在接口中 IPhotoView
    
    返回:
    
    - RectF of Displayed Drawable
  - setDisplayMatrix
```
public boolean setDisplayMatrix(android.graphics.Matrix finalMatrix)
```
    从接口复制的说明: IPhotoView
    
    Sets the Display Matrix of the currently displayed Drawable. The Rectangle is considered relative to this View and includes all scaling and translations.
    
    指定者:
    
    setDisplayMatrix 在接口中 IPhotoView
    
    参数:
    
    finalMatrix - target matrix to set PhotoView to
    
    返回:
    
    - true if rectangle was applied successfully
  - setBaseRotation
```
public void setBaseRotation(float degrees)
```
  - setRotationTo
```
public void setRotationTo(float degrees)
```
    从接口复制的说明: IPhotoView
    
    Enables rotation via PhotoView internal functions.
    
    指定者:
    
    setRotationTo 在接口中 IPhotoView
    
    参数:
    
    degrees - - Degree to rotate PhotoView to, should be in range 0 to 360
  - setRotationBy
```
public void setRotationBy(float degrees)
```
    从接口复制的说明: IPhotoView
    
    Enables rotation via PhotoView internal functions.
    
    指定者:
    
    setRotationBy 在接口中 IPhotoView
    
    参数:
    
    degrees - - Degree to rotate PhotoView by, should be in range 0 to 360
  - getImageView
```
public android.widget.ImageView getImageView()
```
  - getMinimumScale
```
public float getMinimumScale()
```
    指定者:
    
    getMinimumScale 在接口中 IPhotoView
    
    返回:
    
    The current minimum scale level. What this value represents depends on the current ImageView.ScaleType.
  - getMediumScale
```
public float getMediumScale()
```
    指定者:
    
    getMediumScale 在接口中 IPhotoView
    
    返回:
    
    The current medium scale level. What this value represents depends on the current ImageView.ScaleType.
  - getMaximumScale
```
public float getMaximumScale()
```
    指定者:
    
    getMaximumScale 在接口中 IPhotoView
    
    返回:
    
    The current maximum scale level. What this value represents depends on the current ImageView.ScaleType.
  - getScale
```
public float getScale()
```
    从接口复制的说明: IPhotoView
    
    Returns the current scale value
    
    指定者:
    
    getScale 在接口中 IPhotoView
    
    返回:
    
    float - current scale value
  - getScaleType
```
public android.widget.ImageView.ScaleType getScaleType()
```
    从接口复制的说明: IPhotoView
    
    Return the current scale type in use by the ImageView.
    
    指定者:
    
    getScaleType 在接口中 IPhotoView
    
    返回:
    
    current ImageView.ScaleType
  - onDrag
```
public void onDrag(float dx,
                   float dy)
```
    指定者:
    
    onDrag 在接口中 OnGestureListener
  - onFling
```
public void onFling(float startX,
                    float startY,
                    float velocityX,
                    float velocityY)
```
    指定者:
    
    onFling 在接口中 OnGestureListener
  - onGlobalLayout
```
public void onGlobalLayout()
```
    指定者:
    
    onGlobalLayout 在接口中 android.view.ViewTreeObserver.OnGlobalLayoutListener
  - onScale
```
public void onScale(float scaleFactor,
                    float focusX,
                    float focusY)
```
    指定者:
    
    onScale 在接口中 OnGestureListener
  - onTouch
```
public boolean onTouch(android.view.View v,
                       android.view.MotionEvent ev)
```
    指定者:
    
    onTouch 在接口中 android.view.View.OnTouchListener
  - setAllowParentInterceptOnEdge
```
public void setAllowParentInterceptOnEdge(boolean allow)
```
    从接口复制的说明: IPhotoView
    
    Whether to allow the ImageView's parent to intercept the touch event when the photo is scroll to it's horizontal edge.
    
    指定者:
    
    setAllowParentInterceptOnEdge 在接口中 IPhotoView
    
    参数:
    
    allow - whether to allow intercepting by parent element or not
  - setMinimumScale
```
public void setMinimumScale(float minimumScale)
```
    从接口复制的说明: IPhotoView
    
    Sets the minimum scale level. What this value represents depends on the current ImageView.ScaleType.
    
    指定者:
    
    setMinimumScale 在接口中 IPhotoView
    
    参数:
    
    minimumScale - minimum allowed scale
  - setMediumScale
```
public void setMediumScale(float mediumScale)
```
    从接口复制的说明: IPhotoView
    
    Sets the medium scale level. What this value represents depends on the current ImageView.ScaleType.
    
    指定者:
    
    setMediumScale 在接口中 IPhotoView
    
    参数:
    
    mediumScale - medium scale preset
  - setMaximumScale
```
public void setMaximumScale(float maximumScale)
```
    从接口复制的说明: IPhotoView
    
    Sets the maximum scale level. What this value represents depends on the current ImageView.ScaleType.
    
    指定者:
    
    setMaximumScale 在接口中 IPhotoView
    
    参数:
    
    maximumScale - maximum allowed scale preset
  - setScaleLevels
```
public void setScaleLevels(float minimumScale,
                           float mediumScale,
                           float maximumScale)
```
    从接口复制的说明: IPhotoView
    
    Allows to set all three scale levels at once, so you don't run into problem with setting medium/minimum scale before the maximum one
    
    指定者:
    
    setScaleLevels 在接口中 IPhotoView
    
    参数:
    
    minimumScale - minimum allowed scale
    
    mediumScale - medium allowed scale
    
    maximumScale - maximum allowed scale preset
  - setOnLongClickListener
```
public void setOnLongClickListener(android.view.View.OnLongClickListener listener)
```
    从接口复制的说明: IPhotoView
    
    Register a callback to be invoked when the Photo displayed by this view is long-pressed.
    
    指定者:
    
    setOnLongClickListener 在接口中 IPhotoView
    
    参数:
    
    listener - - Listener to be registered.
  - setOnMatrixChangeListener
```
public void setOnMatrixChangeListener(PhotoViewAttacher.OnMatrixChangedListener listener)
```
    从接口复制的说明: IPhotoView
    
    Register a callback to be invoked when the Matrix has changed for this View. An example would be the user panning or scaling the Photo.
    
    指定者:
    
    setOnMatrixChangeListener 在接口中 IPhotoView
    
    参数:
    
    listener - - Listener to be registered.
  - setOnPhotoTapListener
```
public void setOnPhotoTapListener(PhotoViewAttacher.OnPhotoTapListener listener)
```
    从接口复制的说明: IPhotoView
    
    Register a callback to be invoked when the Photo displayed by this View is tapped with a single tap.
    
    指定者:
    
    setOnPhotoTapListener 在接口中 IPhotoView
    
    参数:
    
    listener - - Listener to be registered.
  - setOnViewTapListener
```
public void setOnViewTapListener(PhotoViewAttacher.OnViewTapListener listener)
```
    从接口复制的说明: IPhotoView
    
    Register a callback to be invoked when the View is tapped with a single tap.
    
    指定者:
    
    setOnViewTapListener 在接口中 IPhotoView
    
    参数:
    
    listener - - Listener to be registered.
  - setScale
```
public void setScale(float scale)
```
    从接口复制的说明: IPhotoView
    
    Changes the current scale to the specified value.
    
    指定者:
    
    setScale 在接口中 IPhotoView
    
    参数:
    
    scale - - Value to scale to
  - setScale
```
public void setScale(float scale,
                     boolean animate)
```
    从接口复制的说明: IPhotoView
    
    Changes the current scale to the specified value.
    
    指定者:
    
    setScale 在接口中 IPhotoView
    
    参数:
    
    scale - - Value to scale to
    
    animate - - Whether to animate the scale
  - setScale
```
public void setScale(float scale,
                     float focalX,
                     float focalY,
                     boolean animate)
```
    从接口复制的说明: IPhotoView
    
    Changes the current scale to the specified value, around the given focal point.
    
    指定者:
    
    setScale 在接口中 IPhotoView
    
    参数:
    
    scale - - Value to scale to
    
    focalX - - X Focus Point
    
    focalY - - Y Focus Point
    
    animate - - Whether to animate the scale
  - setZoomInterpolator
```
public void setZoomInterpolator(android.view.animation.Interpolator interpolator)
```
    Set the zoom interpolator
    
    参数:
    
    interpolator - the zoom interpolator
  - setScaleType
```
public void setScaleType(android.widget.ImageView.ScaleType scaleType)
```
    从接口复制的说明: IPhotoView
    
    Controls how the image should be resized or moved to match the size of the ImageView. Any scaling or panning will happen within the confines of this ImageView.ScaleType.
    
    指定者:
    
    setScaleType 在接口中 IPhotoView
    
    参数:
    
    scaleType - - The desired scaling mode.
  - setZoomable
```
public void setZoomable(boolean zoomable)
```
    从接口复制的说明: IPhotoView
    
    Allows you to enable/disable the zoom functionality on the ImageView. When disable the ImageView reverts to using the FIT_CENTER matrix.
    
    指定者:
    
    setZoomable 在接口中 IPhotoView
    
    参数:
    
    zoomable - - Whether the zoom functionality is enabled.
  - update
```
public void update()
```
  - getDisplayMatrix
```
public void getDisplayMatrix(android.graphics.Matrix matrix)
```
    Get the display matrix
    
    指定者:
    
    getDisplayMatrix 在接口中 IPhotoView
    
    参数:
    
    matrix - target matrix to copy to
  - getSuppMatrix
```
public void getSuppMatrix(android.graphics.Matrix matrix)
```
    Get the current support matrix
  - getImageMatrix
```
public android.graphics.Matrix getImageMatrix()
```
  - getVisibleRectangleBitmap
```
public android.graphics.Bitmap getVisibleRectangleBitmap()
```
    从接口复制的说明: IPhotoView
    
    Extracts currently visible area to Bitmap object, if there is no image loaded yet or the ImageView is already destroyed, returns null
    
    指定者:
    
    getVisibleRectangleBitmap 在接口中 IPhotoView
    
    返回:
    
    currently visible area as bitmap or null
  - setZoomTransitionDuration
```
public void setZoomTransitionDuration(int milliseconds)
```
    从接口复制的说明: IPhotoView
    
    Allows to change zoom transition speed, default value is 200 (PhotoViewAttacher.DEFAULT_ZOOM_DURATION). Will default to 200 if provided negative value
    
    指定者:
    
    setZoomTransitionDuration 在接口中 IPhotoView
    
    参数:
    
    milliseconds - duration of zoom interpolation
  - getIPhotoViewImplementation
```
public IPhotoView getIPhotoViewImplementation()
```
    从接口复制的说明: IPhotoView
    
    Will return instance of IPhotoView (eg. PhotoViewAttacher), can be used to provide better integration
    
    指定者:
    
    getIPhotoViewImplementation 在接口中 IPhotoView
    
    返回:
    
    IPhotoView implementation instance if available, null if not
  - resetMatrix
```
public void resetMatrix()
```
    Resets the Matrix back to FIT_CENTER, and then displays it.s

类 PhotoViewAttacher

嵌套类概要

字段概要

从接口继承的字段 uk.co.senab2.photoview2.IPhotoView

构造器概要

方法概要

从类继承的方法 java.lang.Object

构造器详细资料

PhotoViewAttacher

PhotoViewAttacher

方法详细资料

setOnDoubleTapListener

setOnScaleChangeListener

setOnSingleFlingListener

canZoom

cleanup

getDisplayRect

setDisplayMatrix

setBaseRotation

setRotationTo

setRotationBy

getImageView

getMinimumScale

getMediumScale

getMaximumScale

getScale

getScaleType

onDrag

onFling

onGlobalLayout

onScale

onTouch

setAllowParentInterceptOnEdge

setMinimumScale

setMediumScale

setMaximumScale

setScaleLevels

setOnLongClickListener

setOnMatrixChangeListener

setOnPhotoTapListener

setOnViewTapListener

setScale

setScale

setScale

setZoomInterpolator

setScaleType

setZoomable

update

getDisplayMatrix

getSuppMatrix

getImageMatrix

getVisibleRectangleBitmap

setZoomTransitionDuration

getIPhotoViewImplementation

resetMatrix