viewPager+photoView實現圖片輪播和手勢縮放功能 支援手勢縮放的imageView 如何實現相簿左右滑動和手勢縮放 如何讓圖片自適應控制元件大小 photoView如何使用(上)
阿新 • • 發佈：2019-01-07
import uk.co.senab.photoview.IPhotoView; import uk.co.senab.photoview.PhotoViewAttacher; import uk.co.senab.photoview.PhotoViewAttacher.OnMatrixChangedListener; import uk.co.senab.photoview.PhotoViewAttacher.OnPhotoTapListener; import uk.co.senab.photoview.PhotoViewAttacher.OnViewTapListener; import android.content.Context; import android.graphics.Bitmap; import android.graphics.Matrix; import android.graphics.RectF; import android.graphics.drawable.Drawable; import android.net.Uri; import android.util.AttributeSet; import android.view.GestureDetector.OnDoubleTapListener; import android.view.View.OnLongClickListener; import android.widget.ImageView; import android.widget.ImageView.ScaleType; public class PhotoView extends ImageView implements IPhotoView { private final PhotoViewAttacher mAttacher; private ScaleType mPendingScaleType; public PhotoView(Context context) { this(context, null); } public PhotoView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); super.setScaleType(ScaleType.MATRIX); mAttacher = new PhotoViewAttacher(this); if (null != mPendingScaleType) { setScaleType(mPendingScaleType); mPendingScaleType = null; } } public PhotoView(Context context, AttributeSet attrs) { this(context, attrs, 0); } @Override public boolean canZoom() { // TODO Auto-generated method stub return mAttacher.canZoom(); } @Override public Matrix getDisplayMatrix() { // TODO Auto-generated method stub return mAttacher.getDrawMatrix(); } @Override public RectF getDisplayRect() { // TODO Auto-generated method stub return mAttacher.getDisplayRect(); } @Override public IPhotoView getIPhotoViewImplementation() { // TODO Auto-generated method stub return mAttacher; } @Override public float getMaxScale() { // TODO Auto-generated method stub return getMaximumScale(); } @Override public float getMaximumScale() { // TODO Auto-generated method stub return mAttacher.getMaximumScale(); } @Override public float getMediumScale() { // TODO Auto-generated method stub return mAttacher.getMediumScale(); } @Override public float getMidScale() { // TODO Auto-generated method stub return getMediumScale(); } @Override public float getMinScale() { // TODO Auto-generated method stub return getMinimumScale(); } @Override public float getMinimumScale() { // TODO Auto-generated method stub return mAttacher.getMinimumScale(); } @Override public OnPhotoTapListener getOnPhotoTapListener() { // TODO Auto-generated method stub return mAttacher.getOnPhotoTapListener(); } @Override public OnViewTapListener getOnViewTapListener() { // TODO Auto-generated method stub return mAttacher.getOnViewTapListener(); } @Override public float getScale() { // TODO Auto-generated method stub return mAttacher.getScale(); } @Override public Bitmap getVisibleRectangleBitmap() { // TODO Auto-generated method stub return mAttacher.getVisibleRectangleBitmap(); } @Override public void setAllowParentInterceptOnEdge(boolean allow) { // TODO Auto-generated method stub mAttacher.setAllowParentInterceptOnEdge(allow); } @Override public boolean setDisplayMatrix(Matrix finalMatrix) { // TODO Auto-generated method stub return mAttacher.setDisplayMatrix(finalMatrix); } @Override public void setMaxScale(float maxScale) { // TODO Auto-generated method stub mAttacher.setMaxScale(maxScale); } @Override public void setMaximumScale(float maximumScale) { // TODO Auto-generated method stub mAttacher.setMaximumScale(maximumScale); } @Override public void setMediumScale(float mediumScale) { // TODO Auto-generated method stub mAttacher.setMediumScale(mediumScale); } @Override public void setMidScale(float midScale) { // TODO Auto-generated method stub mAttacher.setMidScale(midScale); } @Override public void setMinScale(float minScale) { // TODO Auto-generated method stub mAttacher.setMinScale(minScale); } @Override public void setMinimumScale(float minimumScale) { // TODO Auto-generated method stub mAttacher.setMinimumScale(minimumScale); } @Override public void setImageResource(int resId) { // TODO Auto-generated method stub super.setImageResource(resId); if (null != mAttacher) { mAttacher.update(); } } @Override public void setImageURI(Uri uri) { // TODO Auto-generated method stub super.setImageURI(uri); if (null != mAttacher) { mAttacher.update(); } } @Override public void setImageDrawable(Drawable drawable) { // TODO Auto-generated method stub super.setImageDrawable(drawable); if(null !=mAttacher){ mAttacher.update(); } } @Override public void setImageBitmap(Bitmap bm) { // TODO Auto-generated method stub super.setImageBitmap(bm); if(null !=mAttacher){ mAttacher.update(); } } @Override public void setOnDoubleTapListener( OnDoubleTapListener newOnDoubleTapListener) { // TODO Auto-generated method stub mAttacher.setOnDoubleTapListener(newOnDoubleTapListener); } @Override public void setOnMatrixChangeListener(OnMatrixChangedListener listener) { // TODO Auto-generated method stub mAttacher.setOnMatrixChangeListener(listener); } @Override public void setOnPhotoTapListener(OnPhotoTapListener listener) { // TODO Auto-generated method stub mAttacher.setOnPhotoTapListener(listener); } @Override public void setOnLongClickListener(OnLongClickListener listener) { // TODO Auto-generated method stub mAttacher.setOnLongClickListener(listener); } @Override public void setOnViewTapListener(OnViewTapListener listener) { // TODO Auto-generated method stub mAttacher.setOnViewTapListener(listener); } @Override public void setPhotoViewRotation(float rotationDegrees) { // TODO Auto-generated method stub mAttacher.setRotationTo(rotationDegrees); } @Override public void setRotationBy(float rotationDegrees) { // TODO Auto-generated method stub mAttacher.setRotationBy(rotationDegrees); } @Override public void setRotationTo(float rotationDegrees) { // TODO Auto-generated method stub mAttacher.setRotationTo(rotationDegrees); } @Override public void setScale(float scale) { // TODO Auto-generated method stub mAttacher.setScale(scale); } @Override public void setScale(float scale, boolean animate) { // TODO Auto-generated method stub mAttacher.setScale(scale, animate); } @Override public void setScale(float scale, float focalX, float focalY, boolean animate) { // TODO Auto-generated method stub mAttacher.setScale(scale, focalX, focalY, animate); } @Override public void setZoomTransitionDuration(int milliseconds) { // TODO Auto-generated method stub mAttacher.setZoomTransitionDuration(milliseconds); } @Override public void setScaleType(ScaleType scaleType) { if (null != mAttacher) { mAttacher.setScaleType(scaleType); } else { mPendingScaleType = scaleType; } } @Override public void setZoomable(boolean zoomable) { // TODO Auto-generated method stub mAttacher.setZoomable(zoomable); } @Override protected void onDetachedFromWindow() { // TODO Auto-generated method stub mAttacher.cleanup(); super.onDetachedFromWindow(); } }