public void Cleanup()
{
if (null == mImageView)
{
return; // cleanup already done
}
ImageView imageView = (ImageView)(((Reference)mImageView).Get());
if (null != imageView)
{
// Remove this as a global layout listener
ViewTreeObserver observer = imageView.ViewTreeObserver;
if (null != observer && observer.IsAlive)
{
observer.RemoveGlobalOnLayoutListener(this);
}
// Remove the ImageView's reference to this
imageView.SetOnTouchListener(null);
// make sure a pending fling runnable won't be run
CancelFling();
}
if (null != mGestureDetector)
{
mGestureDetector.SetOnDoubleTapListener(null);
}
// Clear listeners too
mMatrixChangeListener = null;
mPhotoTapListener = null;
mViewTapListener = null;
// Finally, clear ImageView
mImageView = null;
}
public PhotoViewDroidAttacher(ImageView imageView)
{
mImageView = new Java.Lang.Ref.WeakReference(imageView);
imageView.DrawingCacheEnabled = true;
imageView.SetOnTouchListener(this);
ViewTreeObserver observer = imageView.ViewTreeObserver;
if (null != observer)
{
observer.AddOnGlobalLayoutListener(this);
}
// Make sure we using MATRIX Scale Type
SetImageViewScaleTypeMatrix(imageView);
if (imageView.IsInEditMode)
{
return;
}
// Create Gesture Detectors...
mScaleDragDetector = VersionedGestureDetector.NewInstance(
imageView.Context, this);
mGestureDetector = new GestureDetector(imageView.Context, new MSimpleOnGestureListener(this));
mGestureDetector.SetOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
SetZoomable(true);
}
public PhotoViewDroidAttacher(ImageView imageView)
{
mImageView = new Java.Lang.Ref.WeakReference(imageView);
imageView.DrawingCacheEnabled = true;
imageView.SetOnTouchListener (this);
ViewTreeObserver observer = imageView.ViewTreeObserver;
if (null != observer)
observer.AddOnGlobalLayoutListener(this);
// Make sure we using MATRIX Scale Type
SetImageViewScaleTypeMatrix (imageView);
if (imageView.IsInEditMode) {
return;
}
// Create Gesture Detectors...
mScaleDragDetector = VersionedGestureDetector.NewInstance(
imageView.Context, this);
mGestureDetector = new GestureDetector (imageView.Context, new MSimpleOnGestureListener (this));
mGestureDetector.SetOnDoubleTapListener (new DefaultOnDoubleTapListener (this));
SetZoomable (true);
}
/// <summary>
/// Initializes a new instance of the <see cref="WF.Player.AsyncImageTask"/> class.
/// </summary>
/// <param name="imageView">Image view to show the loaded bitmap.</param>
/// <param name="pSampleSize">Sample size.</param>
/// <param name="pReqWidth">Requested width.</param>
/// <param name="pReqHeight">Requested height.</param>
public AsyncImageTask(ImageView imageView, int pSampleSize, int pReqWidth, int pReqHeight)
{
// Use a WeakReference to ensure the ImageView can be garbage collected
_imageViewReference = new Java.Lang.Ref.WeakReference(imageView);
_reqHeight = pReqHeight;
_reqWidth = pReqWidth;
_sampleSize = pSampleSize;
}
/// <summary>
/// Initializes a new instance of the <see cref="WF.Player.AsyncImageTask"/> class.
/// </summary>
/// <param name="imageView">Image view to show the loaded bitmap.</param>
/// <param name="pSampleSize">Sample size.</param>
/// <param name="pReqWidth">Requested width.</param>
/// <param name="pReqHeight">Requested height.</param>
public AsyncImageTask(ImageView imageView, int pSampleSize, int pReqWidth, int pReqHeight)
{
// Use a WeakReference to ensure the ImageView can be garbage collected
_imageViewReference = new Java.Lang.Ref.WeakReference(imageView);
_reqHeight = pReqHeight;
_reqWidth = pReqWidth;
_sampleSize = pSampleSize;
}
public void Cleanup()
{
if (null == mImageView) {
return; // cleanup already done
}
ImageView imageView = (ImageView)(((Reference)mImageView).Get());
if (null != imageView) {
// Remove this as a global layout listener
ViewTreeObserver observer = imageView.ViewTreeObserver;
if (null != observer && observer.IsAlive) {
observer.RemoveGlobalOnLayoutListener(this);
}
// Remove the ImageView's reference to this
imageView.SetOnTouchListener(null);
// make sure a pending fling runnable won't be run
CancelFling();
}
if (null != mGestureDetector) {
mGestureDetector.SetOnDoubleTapListener(null);
}
// Clear listeners too
mMatrixChangeListener = null;
mPhotoTapListener = null;
mViewTapListener = null;
// Finally, clear ImageView
mImageView = null;
}
