ImageAdapter.java
/* * Copyright (C) 2011 Patrik �kerfeldt * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.viewflowtest.cjy; import java.util.List; import android.content.Context; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.ImageView; import android.widget.Toast; import com.nostra13.universalimageloader.core.DisplayImageOptions; import com.nostra13.universalimageloader.core.ImageLoader; import com.nostra13.universalimageloader.core.display.RoundedBitmapDisplayer; import com.yooeee.ziyoutong.R; public class ImageAdapter extends BaseAdapter { // private DisplayImageOptions options; protected ImageLoader imageLoader; private Context mContext; private List<String> list; private LayoutInflater mInflater; public ImageAdapter(Context context,List<String> list) { mContext = context; this.list = list; imageLoader = imageLoader.getInstance(); // options = new DisplayImageOptions.Builder().showStubImage(R.drawable.ic_launcher).showImageForEmptyUri(R.drawable.ic_launcher).showImageOnFail(R.drawable.ic_launcher).cacheInMemory().cacheOnDisc().displayer(new RoundedBitmapDisplayer(15)).build(); mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); } @Override public int getCount() { return Integer.MAX_VALUE; //返回很大的值使得getView中的position不断增大来实现循环 } @Override public Object getItem(int position) { return position; } @Override public long getItemId(int position) { return position; } @Override public View getView(final int position, View convertView, ViewGroup parent) { if (convertView == null) { convertView = mInflater.inflate(R.layout.image_item, null); } ImageView imageView = ((ImageView) convertView.findViewById(R.id.imgView)); imageLoader.displayImage(list.get(position%list.size()), imageView); convertView.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { Toast.makeText(mContext, "" + position, Toast.LENGTH_SHORT).show(); // Intent intent = new Intent(mContext,ABSclass.class); Bundle bundle = new Bundle(); bundle.putString("image_id", list.get(position%list.size())); // intent.putExtras(bundle); // mContext.startActivity(intent); } }); return convertView; } }
application中
@Override public void onCreate() { // 初始化下载图片jar包 initImageLoader(getApplicationContext()); } public static void initImageLoader(Context context) { ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(context).threadPriority(Thread.NORM_PRIORITY - 2).denyCacheImageMultipleSizesInMemory().discCacheFileNameGenerator(new Md5FileNameGenerator()).tasksProcessingOrder(QueueProcessingType.LIFO).enableLogging().build(); ImageLoader.getInstance().init(config); }
在你用的activity中加入
viewFlow = (ViewFlow)findViewById(R.id.viewflow); viewFlow.setAdapter(new ImageAdapter(this)); viewFlow.setmSideBuffer(3); // 实际图片张数, 我的ImageAdapter实际图片张数为3 CircleFlowIndicator indic = (CircleFlowIndicator) findViewById(R.id.viewflowindic); viewFlow.setFlowIndicator(indic); viewFlow.setTimeSpan(4500); viewFlow.setSelection(3*1000); //设置初始位置 viewFlow.startAutoFlowTimer(); //启动自动播放
传个源码和网络获取图片的jar包