下面列出了android.widget.ImageView#setDrawingCacheEnabled ( ) 实例代码,或者点击链接到github查看源代码,也可以在右侧发表评论。
public CropView(Context context) {
super(context);
previousAreaRect = new RectF();
initialAreaRect = new RectF();
presentationMatrix = new Matrix();
tempRect = new CropRectangle();
tempMatrix = new Matrix();
animating = false;
backView = new View(context);
backView.setBackgroundColor(0xff000000);
backView.setVisibility(INVISIBLE);
addView(backView);
imageView = new ImageView(context);
imageView.setDrawingCacheEnabled(true);
imageView.setScaleType(ImageView.ScaleType.MATRIX);
addView(imageView);
detector = new CropGestureDetector(context);
detector.setOnGestureListener(this);
areaView = new CropAreaView(context);
areaView.setListener(this);
addView(areaView);
}
public PhotoViewAttacher(ImageView imageView) {
mImageView = new WeakReference<ImageView>(imageView);
imageView.setDrawingCacheEnabled(true);
imageView.setOnTouchListener(this);
ViewTreeObserver observer = imageView.getViewTreeObserver();
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.getContext(), this);
mGestureDetector = new GestureDetector(imageView.getContext(),
new GestureDetector.SimpleOnGestureListener() {
// forward long click listener
@Override
public void onLongPress(MotionEvent e) {
if (null != mLongClickListener) {
mLongClickListener.onLongClick(getImageView());
}
}
});
mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
// Finally, update the UI so that we're zoomable
setZoomable(true);
}
public CropView(Context context) {
super(context);
previousAreaRect = new RectF();
initialAreaRect = new RectF();
presentationMatrix = new Matrix();
tempRect = new CropRectangle();
tempMatrix = new Matrix();
animating = false;
backView = new View(context);
backView.setBackgroundColor(0xff000000);
backView.setVisibility(INVISIBLE);
addView(backView);
imageView = new ImageView(context);
imageView.setDrawingCacheEnabled(true);
imageView.setScaleType(ImageView.ScaleType.MATRIX);
addView(imageView);
detector = new CropGestureDetector(context);
detector.setOnGestureListener(this);
areaView = new CropAreaView(context);
areaView.setListener(this);
addView(areaView);
}
public PhotoViewAttacher(ImageView imageView) {
mImageView = new WeakReference<ImageView>(imageView);
imageView.setDrawingCacheEnabled(true);
imageView.setOnTouchListener(this);
ViewTreeObserver observer = imageView.getViewTreeObserver();
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.getContext(), this);
mGestureDetector = new GestureDetector(imageView.getContext(),
new GestureDetector.SimpleOnGestureListener() {
// forward long click listener
@Override
public void onLongPress(MotionEvent e) {
if (null != mLongClickListener) {
mLongClickListener.onLongClick(getImageView());
}
}
});
mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
// Finally, update the UI so that we're zoomable
setZoomable(true);
}
public PhotoViewAttacher(ImageView imageView) {
mImageView = new WeakReference<ImageView>(imageView);
imageView.setDrawingCacheEnabled(true);
imageView.setOnTouchListener(this);
ViewTreeObserver observer = imageView.getViewTreeObserver();
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.getContext(), this);
mGestureDetector = new GestureDetector(imageView.getContext(),
new GestureDetector.SimpleOnGestureListener() {
// forward long click listener
@Override
public void onLongPress(MotionEvent e) {
if (null != mLongClickListener) {
mLongClickListener.onLongClick(getImageView());
}
}
});
mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
// Finally, update the UI so that we're zoomable
setZoomable(true);
}
public PhotoViewAttacher(ImageView imageView) {
mImageView = new WeakReference<ImageView>(imageView);
imageView.setDrawingCacheEnabled(true);
imageView.setOnTouchListener(this);
ViewTreeObserver observer = imageView.getViewTreeObserver();
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.getContext(), this);
mGestureDetector = new GestureDetector(imageView.getContext(),
new GestureDetector.SimpleOnGestureListener() {
// forward long click listener
@Override
public void onLongPress(MotionEvent e) {
if (null != mLongClickListener) {
mLongClickListener.onLongClick(getImageView());
}
}
});
mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
// Finally, update the UI so that we're zoomable
setZoomable(true);
}
public PhotoViewAttacher(ImageView imageView) {
mImageView = new WeakReference<ImageView>(imageView);
imageView.setDrawingCacheEnabled(true);
imageView.setOnTouchListener(this);
ViewTreeObserver observer = imageView.getViewTreeObserver();
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.getContext(), this);
mGestureDetector = new GestureDetector(imageView.getContext(),
new GestureDetector.SimpleOnGestureListener() {
// forward long click listener
@Override
public void onLongPress(MotionEvent e) {
if (null != mLongClickListener) {
mLongClickListener.onLongClick(getImageView());
}
}
});
mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
// Finally, update the UI so that we're zoomable
setZoomable(true);
}
public CropView(Context context) {
super(context);
previousAreaRect = new RectF();
initialAreaRect = new RectF();
presentationMatrix = new Matrix();
overlayMatrix = new Matrix();
tempRect = new CropRectangle();
tempMatrix = new Matrix();
animating = false;
backView = new View(context);
backView.setBackgroundColor(0xff000000);
backView.setVisibility(INVISIBLE);
addView(backView);
imageView = new ImageView(context);
imageView.setDrawingCacheEnabled(true);
imageView.setScaleType(ImageView.ScaleType.MATRIX);
addView(imageView);
detector = new CropGestureDetector(context);
detector.setOnGestureListener(this);
areaView = new CropAreaView(context);
areaView.setListener(this);
addView(areaView);
}
public PhotoViewAttacher(ImageView imageView) {
mImageView = new WeakReference<ImageView>(imageView);
imageView.setDrawingCacheEnabled(true);
imageView.setOnTouchListener(this);
ViewTreeObserver observer = imageView.getViewTreeObserver();
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.getContext(), this);
mGestureDetector = new GestureDetector(imageView.getContext(),
new GestureDetector.SimpleOnGestureListener() {
// forward long click listener
@Override
public void onLongPress(MotionEvent e) {
if (null != mLongClickListener) {
mLongClickListener.onLongClick(getImageView());
}
}
});
mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
// Finally, update the UI so that we're zoomable
setZoomable(true);
}
public void thumbNailScaleAnim(ImageView view) {
view.setDrawingCacheEnabled(true);
Bitmap bitmap = view.getDrawingCache();
ActivityOptionsCompatICS options = ActivityOptionsCompatICS.makeThumbnailScaleUpAnimation(
view, bitmap, 0, 0);
// Request the activity be started, using the custom animation options.
ActivityCompatICS.startActivity(MainActivity.this, intent, options.toBundle());
//view.setDrawingCacheEnabled(false);
}
public PhotoViewAttacher(ImageView imageView, boolean zoomable) {
mImageView = new WeakReference<>(imageView);
imageView.setDrawingCacheEnabled(true);
imageView.setOnTouchListener(this);
ViewTreeObserver observer = imageView.getViewTreeObserver();
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.getContext(), this);
mGestureDetector = new GestureDetector(imageView.getContext(),
new GestureDetector.SimpleOnGestureListener() {
// forward long click listener
@Override
public void onLongPress(MotionEvent e) {
if (null != mLongClickListener) {
mLongClickListener.onLongClick(getImageView());
}
}
});
mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
mRotateGestureDetector = new RotateGestureDetector(imageView.getContext(), this);
// Finally, update the UI so that we're zoomable
setZoomable(zoomable);
}
public PhotoViewAttacher(ImageView imageView) {
mImageView = new WeakReference<ImageView>(imageView);
imageView.setDrawingCacheEnabled(true);
imageView.setOnTouchListener(this);
ViewTreeObserver observer = imageView.getViewTreeObserver();
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.getContext(), this);
mGestureDetector = new GestureDetector(imageView.getContext(),
new GestureDetector.SimpleOnGestureListener() {
// forward long click listener
@Override
public void onLongPress(MotionEvent e) {
if (null != mLongClickListener) {
mLongClickListener.onLongClick(getImageView());
}
}
});
mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
// Finally, update the UI so that we're zoomable
setZoomable(true);
}
protected void workGetImage(ImageView imageView) {
imageView.setDrawingCacheEnabled(true);
imageView.measure(View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED), View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));
imageView.layout(0, 0, imageView.getMeasuredWidth(), imageView.getMeasuredHeight());
imageView.buildDrawingCache(true);
output_bitmap = Bitmap.createBitmap(imageView.getDrawingCache());
imageView.setDrawingCacheEnabled(false);
}
public PhotoViewAttacher(ImageView imageView) {
mImageView = new WeakReference<ImageView>(imageView);
imageView.setDrawingCacheEnabled(true);
imageView.setOnTouchListener(this);
ViewTreeObserver observer = imageView.getViewTreeObserver();
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.getContext(), this);
mGestureDetector = new GestureDetector(imageView.getContext(),
new GestureDetector.SimpleOnGestureListener() {
// forward long click listener
@Override
public void onLongPress(MotionEvent e) {
if (null != mLongClickListener) {
mLongClickListener.onLongClick(getImageView());
}
}
});
mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
// Finally, update the UI so that we're zoomable
setZoomable(true);
}
public ImageViewScaler(ImageView imageView, boolean zoomable) {
mImageView = new WeakReference<>(imageView);
imageView.setDrawingCacheEnabled(true);
imageView.setOnTouchListener(this);
ViewTreeObserver observer = imageView.getViewTreeObserver();
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.getContext(), this);
mGestureDetector = new GestureDetector(imageView.getContext(),
new GestureDetector.SimpleOnGestureListener() {
// forward long click listener
@Override
public void onLongPress(MotionEvent e) {
if (null != mLongClickListener) {
mLongClickListener.onLongClick(getImageView());
}
}
});
mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
// Finally, update the UI so that we're zoomable
setZoomable(zoomable);
}
public MovieViewHolder(View itemView, RecyclerViewClickListener onClickListener) {
super(itemView);
titleTextView = (TextView) itemView.findViewById(R.id.item_movie_title);
coverImageView = (ImageView) itemView.findViewById(R.id.item_movie_cover);
coverImageView.setDrawingCacheEnabled(true);
coverImageView.setOnTouchListener(this);
this.onClickListener = onClickListener;
}
public PhotoViewAttacher(ImageView imageView, boolean zoomable) {
mImageView = new WeakReference<>(imageView);
imageView.setDrawingCacheEnabled(true);
imageView.setOnTouchListener(this);
ViewTreeObserver observer = imageView.getViewTreeObserver();
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.getContext(), this);
mGestureDetector = new GestureDetector(imageView.getContext(),
new GestureDetector.SimpleOnGestureListener() {
// forward long click listener
@Override
public void onLongPress(MotionEvent e) {
if (null != mLongClickListener) {
mLongClickListener.onLongClick(getImageView());
}
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2,
float velocityX, float velocityY) {
if (mSingleFlingListener != null) {
if (getScale() > DEFAULT_MIN_SCALE) {
return false;
}
if (MotionEventCompat.getPointerCount(e1) > SINGLE_TOUCH
|| MotionEventCompat.getPointerCount(e2) > SINGLE_TOUCH) {
return false;
}
return mSingleFlingListener.onFling(e1, e2, velocityX, velocityY);
}
return false;
}
});
mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
mBaseRotation = 0.0f;
// Finally, update the UI so that we're zoomable
setZoomable(zoomable);
}
private PhotoViewAttacher(ImageView imageView, boolean zoomable) {
mImageView = new WeakReference<>(imageView);
imageView.setDrawingCacheEnabled(true);
imageView.setOnTouchListener(this);
ViewTreeObserver observer = imageView.getViewTreeObserver();
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.getContext(), this);
mGestureDetector = new GestureDetector(imageView.getContext(),
new GestureDetector.SimpleOnGestureListener() {
// forward long click listener
@Override
public void onLongPress(MotionEvent e) {
if (null != mLongClickListener) {
mLongClickListener.onLongClick(getImageView());
}
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2,
float velocityX, float velocityY) {
if (mSingleFlingListener != null) {
if (getScale() > DEFAULT_MIN_SCALE) {
return false;
}
if (MotionEventCompat.getPointerCount(e1) > SINGLE_TOUCH
|| MotionEventCompat.getPointerCount(e2) > SINGLE_TOUCH) {
return false;
}
return mSingleFlingListener.onFling(e1, e2, velocityX, velocityY);
}
return false;
}
});
mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
mBaseRotation = 0.0f;
// Finally, update the UI so that we're zoomable
setZoomable(zoomable);
}
public PhotoViewAttacher(ImageView imageView, boolean zoomable) {
mImageView = new WeakReference<>(imageView);
imageView.setDrawingCacheEnabled(true);
imageView.setOnTouchListener(this);
ViewTreeObserver observer = imageView.getViewTreeObserver();
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.getContext(), this);
mGestureDetector = new GestureDetector(imageView.getContext(),
new GestureDetector.SimpleOnGestureListener() {
// forward long click listener
@Override
public void onLongPress(MotionEvent e) {
if (null != mLongClickListener) {
mLongClickListener.onLongClick(getImageView());
}
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2,
float velocityX, float velocityY) {
if (mSingleFlingListener != null) {
if (getScale() > DEFAULT_MIN_SCALE) {
return false;
}
if (MotionEventCompat.getPointerCount(e1) > SINGLE_TOUCH
|| MotionEventCompat.getPointerCount(e2) > SINGLE_TOUCH) {
return false;
}
return mSingleFlingListener.onFling(e1, e2, velocityX, velocityY);
}
return false;
}
});
mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
mBaseRotation = 0.0f;
// Finally, update the UI so that we're zoomable
setZoomable(zoomable);
}
public PhotoViewAttacher(ImageView imageView, boolean zoomable) {
mImageView = new WeakReference<>(imageView);
imageView.setDrawingCacheEnabled(true);
imageView.setOnTouchListener(this);
ViewTreeObserver observer = imageView.getViewTreeObserver();
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.getContext(), this);
mGestureDetector = new GestureDetector(imageView.getContext(),
new GestureDetector.SimpleOnGestureListener() {
// forward long click listener
@Override
public void onLongPress(MotionEvent e) {
if (null != mLongClickListener&&getImageView().getY()==0&& getImageView().getX()==0) {
mLongClickListener.onLongClick(getImageView());
}
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2,
float velocityX, float velocityY) {
if (mSingleFlingListener != null) {
if (getScale() > DEFAULT_MIN_SCALE) {
return false;
}
if (MotionEventCompat.getPointerCount(e1) > SINGLE_TOUCH
|| MotionEventCompat.getPointerCount(e2) > SINGLE_TOUCH) {
return false;
}
return mSingleFlingListener.onFling(e1, e2, velocityX, velocityY);
}
return false;
}
});
mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));
mBaseRotation = 0.0f;
// Finally, update the UI so that we're zoomable
setZoomable(zoomable);
}