package com.yidianling.dynamic.common.browsePictures;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Parcelable;
import androidx.fragment.app.FragmentPagerAdapter;
import androidx.viewpager.widget.PagerAdapter;
import androidx.viewpager.widget.ViewPager;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.TextView;
import com.luck.picture.lib.photoview.PhotoView;
import com.ydl.ydl_image.module.GlideApp;
import com.ydl.ydlcommon.base.BaseActivity;
import com.yidianling.common.tools.ToastUtil;
import com.yidianling.dynamic.bean.DynamicConstants;
import com.yidianling.dynamic.R;
import com.yidianling.dynamic.common.tool.DownLoadImageService;
import com.yidianling.dynamic.common.tool.ImageDownLoadCallBack;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
/**
* 预览大图 2 集合范型为String
*/
public class BrowsePicturesActivity2 extends BaseActivity implements ViewPager.OnPageChangeListener {
int iposition;
private ArrayList<String> trendImages;
private ViewPager browse_pictures_vp;
private ImageView back_iv;
private TextView title_tv,save_tv;
String browse_type;
/**
* 装ImageView数组
*/
private List<PhotoView> mImageViews;
MyAdapter myAdapter;
// LodingDialog lodingDialog;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.dynamic_activity_browse_pictures);
browse_pictures_vp=(ViewPager) findViewById(R.id.browse_pictures_vp);
back_iv=(ImageView)findViewById(R.id.browse_pictures_back_iv);
title_tv=(TextView)findViewById(R.id.browse_pictures_num_tv);
save_tv=(TextView)findViewById(R.id.browse_pictures_save_tv);
initWindows();
Intent intent = getIntent();
iposition=intent.getIntExtra("position",0);
browse_type=intent.getStringExtra("browse_type");
trendImages=intent.getStringArrayListExtra("allTrendImages");
if("browse".equals(browse_type)){
save_tv.setText("保存");
}else if("preview".equals(browse_type)){
save_tv.setText("删除");
}
//将图片装载到数组中
mImageViews = new ArrayList<PhotoView>();
for(int i=0; i<trendImages.size(); i++){
PhotoView imageView = new PhotoView(this);
mImageViews.add(imageView);
}
back_iv.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
finish();
}
});
save_tv.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if("browse".equals(browse_type)){//保存
DownLoadImageService downloadService=new DownLoadImageService(BrowsePicturesActivity2.this, trendImages.get(iposition), new ImageDownLoadCallBack() {
@Override
public void onDownLoadSuccess(File file) {
}
@Override
public void onDownLoadSuccess(Bitmap bitmap) {
mHandler.sendEmptyMessage(DynamicConstants.REQUEST_SAVE_IMG_SUCCESS);
}
@Override
public void onDownLoadFailed() {
mHandler.sendEmptyMessage(DynamicConstants.REQUEST_SAVE_IMG_FAIL);
}
});
new Thread(downloadService).start();
}else if("preview".equals(browse_type)){//删除
if(trendImages.size()>1){
if(iposition<trendImages.size()-1){
myAdapter.removie(iposition);
title_tv.setText((iposition+1)+"/"+trendImages.size());
}else {
myAdapter.removie(iposition);
title_tv.setText((iposition+1)+"/"+trendImages.size());
}
}else {
trendImages.clear();
mImageViews.clear();
finish();
}
}
}
});
title_tv.setText((iposition+1)+"/"+trendImages.size());
//设置Adapter
if(myAdapter==null){
myAdapter=new MyAdapter(this,mImageViews,trendImages);
}else {
myAdapter.notifyDataSetChanged();
}
browse_pictures_vp.setAdapter(myAdapter);
//设置监听，主要是设置点点的背景
browse_pictures_vp.setOnPageChangeListener(this);
//设置ViewPager的默认项, 设置为长度的100倍，这样子开始就能往左滑动
browse_pictures_vp.setCurrentItem(iposition);
}
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
}
@Override
public void onPageSelected(int position) {
iposition=position;
title_tv.setText((iposition+1)+"/"+trendImages.size());
// if (lodingDialog == null) {
// lodingDialog = LodingDialog.getInstance(BrowsePicturesActivity2.this);
// lodingDialog.setMessage("加载中");
// lodingDialog.setSpinnerType(LodingDialog.SIMPLE_ROUND_SPINNER);
// lodingDialog.show();
// }
}
@Override
public void onPageScrollStateChanged(int state) {
// if (lodingDialog != null) {
// lodingDialog.dismiss();
// lodingDialog = null;
// }
}
private void initWindows() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
Window window = getWindow();
// window.setFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION, WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
window.setFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS, WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
}
}
private Handler mHandler=new Handler(){
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case DynamicConstants.REQUEST_SAVE_IMG_SUCCESS:
ToastUtil.toastShort(BrowsePicturesActivity2.this,"保存成功");
break;
case DynamicConstants.REQUEST_SAVE_IMG_FAIL:
ToastUtil.toastShort(BrowsePicturesActivity2.this,"保存失败");
break;
}
}
};
@Override
protected int layoutResId() {
return 0;
}
@Override
protected void initDataAndEvent() {
}
public class MyAdapter extends PagerAdapter {
private Context mContext;
private List<PhotoView> mDatas;
private List<String> mImages;
public MyAdapter(Context mContext, List<PhotoView> mDatas, List<String> mImages) {
this.mContext = mContext;
this.mDatas = mDatas;
this.mImages = mImages;
}
@Override
public int getCount() {
return mDatas.size();
}
@Override
public boolean isViewFromObject(View arg0, Object arg1) {
return arg0 == arg1;
}
@Override
public void destroyItem(View container, int position, Object object) {
View view = (View)object;
((ViewPager) container).removeView(view);
view = null;
// ((ViewPager)container).removeView((View) mDatas.get(position));
}
public void updateDate(List<PhotoView> datas) {
this.mDatas = datas;
notifyDataSetChanged();
}
public void removie(int p) {
mImages.remove(p);
mDatas.remove(p);
notifyDataSetChanged();
}
@Override
public int getItemPosition(Object object) {
return FragmentPagerAdapter.POSITION_NONE;
}
// /**
// * 载入图片进去，用当前的position 除以 图片数组长度取余数是关键
// */
// @Override
// public Object instantiateItem(View container, int position) {
// ((ViewPager)container).addView(mDatas.get(position % mDatas.size()), 0);
// return mDatas.get(position % mDatas.size());
// }
@Override
public Object instantiateItem(View container, int position) {
GlideApp.with(mContext)
.load(mImages.get(position))
.error(R.drawable.dynamic_default_img)
.into(mDatas.get(position));
mDatas.get(position).setOnPhotoTapListener((imageView, v, v1) -> finish());
((ViewPager)container).addView(mDatas.get(position), 0);
// if (lodingDialog != null) {
// lodingDialog.dismiss();
// lodingDialog = null;
// }
return mDatas.get(position);
}
@Override
public Parcelable saveState() {
return null;
}
}
}