Android - ViewPager實現Gallery效果

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RelativeLayout viewPagerContainer = (RelativeLayout) headerView.findViewById(R.id.content_pager_layout);        imgPager = (ViewPagerFixed) headerView.findViewById(R.id.content_VP);        imgPager.setPageMargin(10);        pagerAdapter = new MyPagerAdapter();            pagerAdapter.setFileList(mImages);        imgPager.setAdapter(pagerAdapter);        imgPager.setOnPageChangeListener(new MyOnPageChangeListener(viewPagerContainer));        viewPagerContainer.setOnTouchListener(new OnTouchListener() {            @Override            public boolean onTouch(View v, MotionEvent event) {                // dispatch the events to the ViewPager, to solve the problem that we can swipe only the middle view.                return imgPager.dispatchTouchEvent(event);            }        });

public class MyOnPageChangeListener implements OnPageChangeListener {        private RelativeLayout viewPagerContainer;        public MyOnPageChangeListener(RelativeLayout viewPagerContainer) {            this.viewPagerContainer = viewPagerContainer;        }        @Override        public void onPageSelected(int position) {        }        @Override        public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {            if (viewPagerContainer != null) {                viewPagerContainer.invalidate();            }        }        @Override        public void onPageScrollStateChanged(int arg0) {        }    }

class MyPagerAdapter extends PagerAdapter {/**重新整理視圖**/        public void setFileList(List<File> imgs) {            this.imgFile = imgs;            notifyDataSetChanged();        }        /**重新整理視圖**/        public void setList(List<img> row) {            this.imgList = row;            notifyDataSetChanged();        }        @Override        public int getCount() {            return size;        }        @Override        public boolean isViewFromObject(View view, Object object) {            return (view == object);        }        @Override        public Object instantiateItem(ViewGroup container, int position) {            final ImageView imageView = new ImageView(mActivity);            imageView.setBackgroundColor(Color.LTGRAY);            imageView.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));     　　　　imageView.setTag(imageUrl);            imageView.setImageBitmap(loadedImage);            ((ViewPager) container).addView(imageView, 0);            return imageView;        }        @Override        public void destroyItem(ViewGroup container, int position, Object object) {            ((ViewPager) container).removeView((ImageView) object);        }    }

<RelativeLayout        android:id="@+id/content_pager_layout"        android:layout_width="match_parent"        android:layout_height="365dp"        android:clipChildren="false"        android:layerType="software" >        <com.dotfive.chuanbang.layout.ViewPagerFixed            android:id="@+id/content_VP"            android:layout_width="match_parent"            android:layout_height="match_parent"            android:layout_gravity="center"            android:layout_margin="15dp"            android:clipChildren="false"            android:gravity="center" />    </RelativeLayout>

 

Android - ViewPager實現Gallery效果