实例介绍
【实例简介】
【实例截图】
【核心代码】
package com.example.testphoto;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.ContentResolver;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.provider.MediaStore;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;
import com.nostra13.universalimageloader.cache.disc.naming.Md5FileNameGenerator;
import com.nostra13.universalimageloader.cache.memory.impl.WeakMemoryCache;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
public class MainActivity extends Activity {
private GridView gridview;
TextView group_text, total_text;
ListView group_listview;
private ProgressDialog mProgressDialog;
private ProgressDialog mDirDialog;
private ImageLoader mImageLoader;
private HashMap<String, ArrayList<String>> mGruopMap = new HashMap<String, ArrayList<String>>();
private ArrayList<ImageBean> imgBeanLists = new ArrayList<ImageBean>();
// 所有的图片
private ArrayList<String> mAllImgs;
private final static int SCAN_OK = 1;
private final static int SCAN_FOLDER_OK = 2;
private RelativeLayout list_layout;
private DisplayImageOptions options;
private ListAdapter listAdapter;
private int limit_count ;
Animation toUp, toDown;
// private GridAdapter gridAdatper;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
initData();
setListener();
}
private void setListener() {
total_text.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
//addedPath返回给上个页面-----这里只选择相册里的
Intent dataIntent = new Intent();
Bundle dataBundle = new Bundle();
dataBundle.putStringArrayList("pic_paths", addedPath);
dataIntent.putExtras(dataBundle);
setResult(RESULT_OK, dataIntent);
MainActivity.this.finish();
}
});
group_text.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
if (list_layout.getVisibility() == View.VISIBLE) {
list_layout.setVisibility(View.GONE);
list_layout.startAnimation(toDown);
} else {
list_layout.setVisibility(View.VISIBLE);
list_layout.startAnimation(toUp);
}
}
});
group_listview
.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1,
int position, long arg3) {
// 点击刷新对应的视图
if (chooseItem.get(0) == position) {
// 不做操作，返回
list_layout.setVisibility(View.GONE);
} else {
chooseItem.clear();
chooseItem.add(position);
listAdapter.notifyDataSetChanged();
list_layout.setVisibility(View.GONE);
// 获取到mAllImgs；并显示到数据中
GridAdapter gridAdatper = new GridAdapter();
gridAdatper.setData(new ArrayList<String>());
gridview.setAdapter(gridAdatper);
gridAdatper = null;
// 得到当前的来刷新
if (0 == position) {
getImages();
} else {
// 刷新当前的GridView
mDirDialog = ProgressDialog.show(MainActivity.this, null, "正在加载...");
nowStrs.clear();
String fa_path = imgBeanLists.get(position).getFa_filepath();
nowStrs.addAll(mGruopMap.get(fa_path));
Log.e("cxm", "fa_path=" fa_path ",nowStrs.size=" nowStrs.size());
mHandler.sendEmptyMessageDelayed(SCAN_FOLDER_OK, 1000);
// // 通知Handler扫描图片完成
// getFolderImages(imageBean.getFa_filepath());
}
}
}
});
gridview.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int position,
long arg3) {
if(chooseItem.get(0) == 0 && 0 == position) {
//调用系统相机
//判断是否已满8张图片
if(addedPath.size() >= limit_count) {
Toast.makeText(MainActivity.this, "最多选8张，请取消后再点击拍照", Toast.LENGTH_SHORT).show();
return;
}
tempCameraPath = IndexActivity.CAMERA_PATH "/"
System.currentTimeMillis() ".jpg";
Log.e("cxm", "path============" tempCameraPath);
PickPhotoUtil.getInstance().takePhoto(
MainActivity.this, "tempUser", tempCameraPath);
}
}
});
}
private String tempCameraPath = "";
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if(resultCode == RESULT_OK) {
switch (requestCode) {
case PickPhotoUtil.PickPhotoCode.PICKPHOTO_TAKE:
File fi = new File("");
PickPhotoUtil.getInstance().takeResult(this,
data, fi);
//相机的图片
ArrayList<String> camepaths = new ArrayList<String>();
camepaths.add(tempCameraPath);
Intent dataIntent = new Intent();
Bundle dataBundle = new Bundle();
dataBundle.putStringArrayList("pic_paths", camepaths);
dataIntent.putExtras(dataBundle);
setResult(RESULT_OK, dataIntent);
MainActivity.this.finish();
break;
default:
break;
}
}
}
// protected ArrayList<String> getFolderImages(final String path_dir) {
// nowStrs.clear();
// Log.e("cxm", "foldename=" path_dir);
// // 显示进度条
// mDirDialog = ProgressDialog.show(this, null, "正在加载...");
//
// new Thread(new Runnable() {
//
// @Override
// public void run() {
// getFiles(path_dir);
//
// // 通知Handler扫描图片完成
// mHandler.sendEmptyMessage(SCAN_FOLDER_OK);
// }
// }).start();
// return null;
// }
ArrayList<String> nowStrs = new ArrayList<>();
// private void getFiles(String filePath) {
// File root = new File(filePath);
// File[] files = root.listFiles();
// for (File file : files) {
// if (file.isFile()) {
// nowStrs.add(file.getAbsolutePath());
// } else {
// /*
// * 递归调用
// */
// getFiles(file.getAbsolutePath());
// }
// }
// }
private Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
switch (msg.what) {
case SCAN_OK:
// 关闭进度条
mProgressDialog.dismiss();
// adapter = new GroupAdapter(MainActivity.this, list =
// subGroupOfImage(mGruopMap), mGroupGridView);
// mGroupGridView.setAdapter(adapter);
// 扫描完成后，给listview赋值------给所有图片赋值
imgBeanLists = subGroupOfImage(mGruopMap);
listAdapter = new ListAdapter();
listAdapter.setData(imgBeanLists);
group_listview.setAdapter(listAdapter);
// 获取到mAllImgs；并显示到数据中
GridAdapter gridAdatper = new GridAdapter();
gridAdatper.setData(mAllImgs);
gridview.setAdapter(gridAdatper);
gridAdatper = null;
break;
case SCAN_FOLDER_OK:
mDirDialog.dismiss();
// 获取到mAllImgs；并显示到数据中
GridAdapter gridAdatper1 = new GridAdapter();
gridAdatper1.setData(nowStrs);
gridview.setAdapter(gridAdatper1);
gridAdatper1 = null;
break;
}
}
};
private void initView() {
gridview = (GridView) findViewById(R.id.gridview);
group_text = (TextView) findViewById(R.id.group_text);
total_text = (TextView) findViewById(R.id.total_text);
group_listview = (ListView) findViewById(R.id.group_listview);
list_layout = (RelativeLayout) findViewById(R.id.list_layout);
}
private void initData() {
// 初始化数据，所有图片应在281张以内
chooseItem.add(0);
// imageLoader配置
DisplayImageOptions imageOptions = new DisplayImageOptions.Builder()
.cacheInMemory().cacheOnDisc().build();
ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(
this).defaultDisplayImageOptions(imageOptions)
.discCacheFileNameGenerator(new Md5FileNameGenerator())
.memoryCacheSize(2 * 1024 * 1024)
// .memoryCache(new WeakMemoryCache())
.build();
ImageLoader.getInstance().init(config);
mImageLoader = ImageLoader.getInstance();
options = new DisplayImageOptions.Builder().cacheOnDisc()
.showImageForEmptyUri(R.drawable.friends_sends_pictures_no)
.showImageOnFail(R.drawable.friends_sends_pictures_no)
.showStubImage(R.drawable.friends_sends_pictures_no).build();
mAllImgs = new ArrayList<String>(281);
addedPath = new ArrayList<String>();
limit_count = 8-IndexActivity.mPicList.size();
total_text.setText("0/" limit_count "张");
toUp = AnimationUtils.loadAnimation(MainActivity.this, R.anim.act_bottom_to_top);
toDown = AnimationUtils.loadAnimation(MainActivity.this, R.anim.act_top_to_bottom);
// listAdapter = new ListAdapter();
// group_listview.setAdapter(listAdapter);
//
// gridAdatper = new GridAdapter();
// gridview.setAdapter(gridAdatper);
getImages();
}
/**
* 利用ContentProvider扫描手机中的图片，此方法在运行在子线程中
*/
private void getImages() {
if (!Environment.getExternalStorageState().equals(
Environment.MEDIA_MOUNTED)) {
Toast.makeText(this, "暂无外部存储", Toast.LENGTH_SHORT).show();
return;
}
// 显示进度条
mProgressDialog = ProgressDialog.show(this, null, "正在加载...");
new Thread(new Runnable() {
@Override
public void run() {
Uri mImageUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
ContentResolver mContentResolver = MainActivity.this
.getContentResolver();
// 只查询jpeg和png的图片
Cursor mCursor = mContentResolver.query(mImageUri, null,
MediaStore.Images.Media.MIME_TYPE "=? or "
MediaStore.Images.Media.MIME_TYPE "=?",
new String[] { "image/jpeg", "image/png" },
MediaStore.Images.Media.DATE_MODIFIED);
while (mCursor.moveToNext()) {
// 获取图片的路径
String path = mCursor.getString(mCursor
.getColumnIndex(MediaStore.Images.Media.DATA));
// 获取该图片的父路径名
File pa_file = new File(path).getParentFile();
String parentName = pa_file.getAbsolutePath();
if (mAllImgs.size() < 281) {
mAllImgs.add(path);
}
// 根据父路径名将图片放入到mGruopMap中
if (!mGruopMap.containsKey(parentName)) {
ArrayList<String> chileList = new ArrayList<String>();
chileList.add(path);
mGruopMap.put(parentName, chileList);
} else {
mGruopMap.get(parentName).add(path);
}
}
mCursor.close();
// 通知Handler扫描图片完成
mHandler.sendEmptyMessage(SCAN_OK);
}
}).start();
}
/**
* 组装分组界面GridView的数据源，因为我们扫描手机的时候将图片信息放在HashMap中 所以需要遍历HashMap将数据组装成List
*
* @param mGruopMap
* @return
*/
private ArrayList<ImageBean> subGroupOfImage(
HashMap<String, ArrayList<String>> gruopMap) {
if (gruopMap.size() == 0) {
return null;
}
ArrayList<ImageBean> list = new ArrayList<ImageBean>();
Iterator<Map.Entry<String, ArrayList<String>>> it = gruopMap.entrySet()
.iterator();
ImageBean ig0 = new ImageBean();
ig0.setFolderName("所有图片");
ig0.setImageCounts(0);
ig0.setTopImagePath("");
list.add(0, ig0);
while (it.hasNext()) {
Map.Entry<String, ArrayList<String>> entry = it.next();
ImageBean mImageBean = new ImageBean();
String key = entry.getKey();
List<String> value = entry.getValue();
File dir_file = new File(key);
mImageBean.setFolderName(dir_file.getName());
mImageBean.setImageCounts(value.size());
mImageBean.setTopImagePath(value.get(0));// 获取该组的第一张图片
mImageBean.setFa_filepath(key);
list.add(mImageBean);
}
return list;
}
private ArrayList<String> addedPath = null;
// gridview的Adapter
class GridAdapter extends BaseAdapter {
// 根据三种不同的布局来应用
final int VIEW_TYPE = 2;
final int TYPE_1 = 0;
final int TYPE_2 = 1;
LayoutInflater inflater;
private ArrayList<String> gridStrings;/**
* 用来存储图片的选中情况
*/
private HashMap<Integer, Boolean> mSelectMap = new HashMap<Integer, Boolean>();
public GridAdapter() {
gridStrings = new ArrayList<>();
inflater = LayoutInflater.from(MainActivity.this);
}
public void setData(ArrayList<String> strs) {
if (null != strs) {
gridStrings.clear();
gridStrings.addAll(strs);
notifyDataSetChanged();
}
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return gridStrings.size();
}
@Override
public String getItem(int position) {
if (chooseItem.get(0) == 0) {
return gridStrings.get(position - 1);
} else {
Log.e("cxm", "position====" position ",path=" gridStrings.get(position));
return gridStrings.get(position);
}
}
@Override
public long getItemId(int arg0) {
// TODO Auto-generated method stub
return 0;
}
@Override
public int getItemViewType(int position) {
if (chooseItem.get(0) == 0) {
if (position == 0) {
return TYPE_1;
} else {
return TYPE_2;
}
} else {
return TYPE_2;
}
}
@Override
public int getViewTypeCount() {
if (chooseItem.get(0) == 0) {
return VIEW_TYPE;
} else {
return 1;
}
}
@Override
public View getView(final int position, View convertView, ViewGroup arg2) {
GridHolder gridHolder = null ;
PhotoHolder photoHodler = null;
int type = getItemViewType(position);
if (convertView == null) {
switch (type) {
case TYPE_1:
// 显示拍照
photoHodler = new PhotoHolder();
convertView = inflater.inflate(R.layout.take_photo, null);
convertView.setTag(photoHodler);
break;
case TYPE_2:
convertView = inflater.inflate(R.layout.grid_item, null);
gridHolder = new GridHolder();
gridHolder.grid_image = (ImageView) convertView
.findViewById(R.id.grid_image);
gridHolder.grid_img = (ImageView) convertView
.findViewById(R.id.grid_img);
convertView.setTag(gridHolder);
break;
default:
break;
}
} else {
switch (type) {
case TYPE_1:
// 显示拍照
photoHodler = (PhotoHolder) convertView.getTag();
break;
case TYPE_2:
gridHolder = (GridHolder) convertView.getTag();
break;
default:
break;
}
}
if (type == TYPE_2) {
// 判断是否已经添加
mImageLoader.displayImage("file://" getItem(position),
gridHolder.grid_image, options);
// gridHolder.grid_check
// .setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
//
// @Override
// public void onCheckedChanged(CompoundButton arg0,
// boolean isChecked) {
// Log.e("cxm", "boo==" isChecked);
//// if (isSelect) {
//// addedPath.add(getItem(position));
//// } else {
//// // 已经被点击了取消
//// addedPath.remove(getItem(position));
//// }
// if(!mSelectMap.containsKey(position) || !mSelectMap.get(position)){
// addedPath.add(getItem(position));
// } else {
// mSelectMap.put(position, isChecked);
// addedPath.remove(getItem(position));
// }
// }
// });
gridHolder.grid_img.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if(addedPath.contains(getItem(position))) {
//已经包含这个path了，则干掉
addedPath.remove(getItem(position));
((ImageView)view).setImageResource(R.drawable.friends_sends_pictures_select_icon_unselected);
} else {
//判断大小
if(addedPath.size() < limit_count) {
addedPath.add(getItem(position));
((ImageView)view).setImageResource(R.drawable.friends_sends_pictures_select_icon_selected);
//添加图片，显示出来张数
}
}
mYhandler.sendEmptyMessage(0);
}
});
if (addedPath.contains(getItem(position))) {
// 已经添加过了
gridHolder.grid_img.setImageResource(R.drawable.friends_sends_pictures_select_icon_selected);
} else {
gridHolder.grid_img.setImageResource(R.drawable.friends_sends_pictures_select_icon_unselected);
}
}
return convertView;
}
class PhotoHolder {
}
class GridHolder {
ImageView grid_image;
public ImageView grid_img;
}
}
Handler mYhandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case 0:
total_text.setText(addedPath.size() "/" limit_count "张");
break;
default:
break;
}
}
};
private ArrayList<Integer> chooseItem = new ArrayList<>();
class ListAdapter extends BaseAdapter {
private ArrayList<ImageBean> beans = null;
LayoutInflater inflater;
public ListAdapter() {
inflater = LayoutInflater.from(MainActivity.this);
beans = new ArrayList<>();
}
public void setData(ArrayList<ImageBean> listBeans) {
if (listBeans != null) {
beans.clear();
beans.addAll(listBeans);
notifyDataSetChanged();
}
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return beans.size();
}
@Override
public ImageBean getItem(int arg0) {
// TODO Auto-generated method stub
return beans.get(arg0);
}
@Override
public long getItemId(int arg0) {
// TODO Auto-generated method stub
return 0;
}
@Override
public View getView(int position, View convertView, ViewGroup arg2) {
final ListViewHolder listHoder;
ImageBean imageBean = beans.get(position);
if (convertView == null) {
listHoder = new ListViewHolder();
convertView = inflater.inflate(R.layout.list_item, null);
listHoder.myimage_view = (ImageView) convertView
.findViewById(R.id.myimage_view);
listHoder.choose_img = (ImageView) convertView
.findViewById(R.id.choose_img);
listHoder.folder_text = (TextView) convertView
.findViewById(R.id.folder_text);
listHoder.count_text = (TextView) convertView
.findViewById(R.id.count_text);
convertView.setTag(listHoder);
} else {
listHoder = (ListViewHolder) convertView.getTag();
}
int cho_posi = chooseItem.get(0);
if (position == cho_posi) {
// 相等则显示
listHoder.choose_img.setVisibility(View.VISIBLE);
} else {
listHoder.choose_img.setVisibility(View.GONE);
}
String img_path = "";
if (position == 0) {
img_path = beans.get(1).getTopImagePath();
listHoder.count_text.setVisibility(View.GONE);
} else {
img_path = imageBean.getTopImagePath();
listHoder.count_text.setVisibility(View.VISIBLE);
listHoder.count_text.setText(imageBean.getImageCounts() "张");
}
listHoder.folder_text.setText(imageBean.getFolderName());
mImageLoader.displayImage("file://" img_path,
listHoder.myimage_view, options);
return convertView;
}
class ListViewHolder {
ImageView myimage_view;
ImageView choose_img;
TextView folder_text, count_text;
}
}
}
好例子网口号：伸出你的我的手 — 分享！
小贴士
感谢您为本站写下的评论，您的评论对其它用户来说具有重要的参考价值，所以请认真填写。
- 类似“顶”、“沙发”之类没有营养的文字，对勤劳贡献的楼主来说是令人沮丧的反馈信息。
- 相信您也不想看到一排文字/表情墙，所以请不要反馈意义不大的重复字符，也请尽量不要纯表情的回复。
- 提问之前请再仔细看一遍楼主的说明，或许是您遗漏了。
- 请勿到处挖坑绊人、招贴广告。既占空间让人厌烦，又没人会搭理，于人于己都无利。
关于好例子网
本站旨在为广大IT学习爱好者提供一个非营利性互相学习交流分享平台。本站所有资源都可以被免费获取学习研究。本站资源来自网友分享，对搜索内容的合法性不具有预见性、识别性、控制性，仅供学习研究，请务必在下载后24小时内给予删除，不得用于其他任何用途，否则后果自负。基于互联网的特殊性，平台无法对用户传输的作品、信息、内容的权属或合法性、安全性、合规性、真实性、科学性、完整权、有效性等进行实质审查；无论平台是否已进行审查，用户均应自行承担因其传输的作品、信息、内容而可能或已经产生的侵权或权属纠纷等法律责任。本站所有资源不代表本站的观点或立场，基于网友分享，根据中国法律《信息网络传播权保护条例》第二十二与二十三条之规定，若资源存在侵权或相关问题请联系本站客服人员，点此联系我们。关于更多版权及免责申明参见 版权及免责申明
网友评论
我要评论