实例介绍
【实例简介】
【实例截图】
【核心代码】
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 | 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 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()); listHoder.myimage_view, options); return convertView; } class ListViewHolder { ImageView myimage_view; ImageView choose_img; TextView folder_text, count_text; } }} |
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