package com.fanxin.app.comments;
import java.util.ArrayList;
import java.util.List;
import com.fanxin.app.Constant;
import com.fanxin.app.R;
import android.annotation.SuppressLint;
import android.content.Context;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ImageView.ScaleType;
import android.widget.LinearLayout;
/**
* 广告图片自动轮播控件</br>
*
*/
public class ImageCycleView extends LinearLayout {
/**
* 上下文
*/
private Context mContext;
/**
* 图片轮播视图
*/
private ViewPager mAdvPager = null;
/**
* 滚动图片视图适配
*/
private ImageCycleAdapter mAdvAdapter;
/**
* 图片轮播指示器控件
*/
private ViewGroup mGroup;
/**
* 图片轮播指示个图
*/
private ImageView mImageView = null;
/**
* 滚动图片指示视图列表
*/
private ImageView[] mImageViews = null;
/**
* 手机密度
*/
private float mScale;
// private boolean isStop;
private List<String> rewardList = new ArrayList<String>();
// private TextView imageName;
/**
* @param context
*/
public ImageCycleView(Context context) {
super(context);
}
/**
* @param context
* @param attrs
*/
public ImageCycleView(Context context, AttributeSet attrs) {
super(context, attrs);
mContext = context;
mScale = context.getResources().getDisplayMetrics().density;
LayoutInflater.from(context).inflate(R.layout.social_view_ad_cycle,
this);
mAdvPager = (ViewPager) findViewById(R.id.adv_pager);
mAdvPager.setOnPageChangeListener(new GuidePageChangeListener());
mAdvPager.setOnTouchListener(new OnTouchListener() {
@SuppressLint("ClickableViewAccessibility")
@Override
public boolean onTouch(View v, MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_UP:
// 开始图片滚动
// / startImageTimerTask();
break;
default:
// 停止图片滚动
// / stopImageTimerTask();
break;
}
return false;
}
});
// 滚动图片右下指示器视
mGroup = (ViewGroup) findViewById(R.id.viewGroup);
// imageName = (TextView) findViewById(R.id.viewGroup2);
}
/**
* 装填图片数据
*
* @param imageUrlList
* @param imageCycleViewListener
*/
public void setImageResources(String[] images, int page,
ImageCycleViewListener imageCycleViewListener) {
// for (int i = 0; i < images.length; i++) {
// String imageName = String.valueOf(jsonArr.getJSONObject(i)
// .getJSONArray("photo_reward").size());
// rewardList.add(num);
// }
// 清除
mGroup.removeAllViews();
// 图片广告数量
final int imageCount = images.length;
mImageViews = new ImageView[imageCount];
for (int i = 0; i < imageCount; i++) {
mImageView = new ImageView(mContext);
int imageParams = (int) (mScale * 10 + 0.5f);// XP与DP转换，适应应不同分辨率
int imagePadding = (int) (mScale * 5 + 0.5f);
LayoutParams params = new LayoutParams(imageParams, imageParams);
params.leftMargin = 30;
mImageView.setScaleType(ScaleType.CENTER_CROP);
mImageView.setLayoutParams(params);
mImageView.setPadding(imagePadding, imagePadding, imagePadding,
imagePadding);
mImageViews[i] = mImageView;
if (i == 0) {
mImageViews[i]
.setBackgroundResource(R.drawable.banner_dian_focus);
} else {
mImageViews[i]
.setBackgroundResource(R.drawable.banner_dian_blur);
}
mGroup.addView(mImageViews[i]);
}
// imageName.setText("打赏(" + rewardList.get(page) + ")");
mAdvAdapter = new ImageCycleAdapter(mContext, images, page,
imageCycleViewListener);
mAdvPager.setAdapter(mAdvAdapter);
mAdvPager.setCurrentItem(page);
// startImageTimerTask();
}
/**
* 图片轮播(手动控制自动轮播与否，便于资源控件）
*/
public void startImageCycle() {
// / startImageTimerTask();
}
/**
* 暂停轮播—用于节省资源
*/
public void pushImageCycle() {
// / stopImageTimerTask();
}
// /**
// * 图片滚动任务
// */
// private void startImageTimerTask() {
// stopImageTimerTask();
// // 图片滚动
// mHandler.postDelayed(mImageTimerTask, 3000);
// }
//
// /**
// * 停止图片滚动任务
// */
// private void stopImageTimerTask() {
// isStop=true;
// mHandler.removeCallbacks(mImageTimerTask);
// }
// private Handler mHandler = new Handler();
// /**
// * 图片自动轮播Task
// */
// private Runnable mImageTimerTask = new Runnable() {
// @Override
// public void run() {
// if (mImageViews != null) {
// mAdvPager.setCurrentItem(mAdvPager.getCurrentItem()+1);
// if(!isStop){ //if isStop=true //当你退出后 要把这个给停下来 不然 这个一直存在 就一直在后台循环
// mHandler.postDelayed(mImageTimerTask, 3000);
// }
//
// }
// }
// };
/**
* 轮播图片监听
*
*
*/
private final class GuidePageChangeListener implements OnPageChangeListener {
@Override
public void onPageScrollStateChanged(int state) {
// // if (state == ViewPager.SCROLL_STATE_IDLE)
// // startImageTimerTask();
}
@Override
public void onPageScrolled(int arg0, float arg1, int arg2) {
}
@Override
public void onPageSelected(int index) {
index = index % mImageViews.length;
// 设置图片滚动指示器背
mImageViews[index]
.setBackgroundResource(R.drawable.banner_dian_focus);
// imageNameList.get(index)
// imageName.setText("打赏(" + rewardList.get(index) + ")");
for (int i = 0; i < mImageViews.length; i++) {
if (index != i) {
mImageViews[i]
.setBackgroundResource(R.drawable.banner_dian_blur);
}
}
}
}
private class ImageCycleAdapter extends PagerAdapter {
/**
* 图片视图缓存列表
*/
private ArrayList<ImageView> mImageViewCacheList;
/**
* 图片资源列表
*/
String[] imageArray;
// private JSONArray jsonArray = new JSONArray();
// private ArrayList<String> mAdList = new ArrayList<String>();
// private ArrayList<String> nameList = new ArrayList<String>();
/**
* 广告图片点击监听
*/
private ImageCycleViewListener mImageCycleViewListener;
private Context mContext;
public ImageCycleAdapter(Context context, String[] imageArray,
int page, ImageCycleViewListener imageCycleViewListener) {
this.mContext = context;
this.imageArray = imageArray;
mImageCycleViewListener = imageCycleViewListener;
mImageViewCacheList = new ArrayList<ImageView>();
}
@Override
public int getCount() {
return imageArray.length;
// return Integer.MAX_VALUE;
}
@Override
public boolean isViewFromObject(View view, Object obj) {
return view == obj;
}
@Override
public Object instantiateItem(ViewGroup container, final int position) {
String imageUrl = Constant.URL_SOCIAL_PHOTO
+ "big_"
+ imageArray[position % imageArray.length];
ImageView imageView = null;
if (mImageViewCacheList.isEmpty()) {
imageView = new ImageView(mContext);
imageView.setLayoutParams(new LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
// 设置图片点击监听
imageView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mImageCycleViewListener.onImageClick(position % imageArray.length, v);
}
});
} else {
imageView = mImageViewCacheList.remove(0);
}
imageView.setTag(imageUrl);
container.addView(imageView);
mImageCycleViewListener.displayImage(imageUrl, imageView);
return imageView;
}
@Override
public void destroyItem(ViewGroup container, int position, Object object) {
ImageView view = (ImageView) object;
mAdvPager.removeView(view);
mImageViewCacheList.add(view);
}
}
/**
* 轮播控件的监听事件
*
* @author minking
*/
public static interface ImageCycleViewListener {
/**
* 加载图片资源
*
* @param imageURL
* @param imageView
*/
public void displayImage(String imageURL, ImageView imageView);
/**
* 单击图片事件
*
* @param position
* @param imageView
*/
public void onImageClick(int position, View imageView);
}
}