package com.kf5.sdk.system.image; import android.app.Activity; import android.content.Intent; import android.content.res.Configuration; import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.os.Handler; import android.provider.MediaStore; import android.support.annotation.Nullable; import android.support.v4.app.Fragment; import android.support.v4.app.LoaderManager; import android.support.v4.content.CursorLoader; import android.support.v4.content.Loader; import android.text.TextUtils; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AbsListView; import android.widget.AdapterView; import android.widget.GridView; import android.widget.TextView; import android.widget.Toast; import com.bumptech.glide.Glide; import com.kf5.sdk.R; import com.kf5.sdk.system.image.adapter.FolderAdapter; import com.kf5.sdk.system.image.adapter.ImageGridAdapter; import com.kf5.sdk.system.image.bean.Folder; import com.kf5.sdk.system.image.bean.Image; import com.kf5.sdk.system.image.utils.FileUtils; import com.kf5.sdk.system.image.view.ListFilePopWindow; import com.kf5.sdk.system.utils.FileSizeUtil; import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.List; /** * author:chosen * date:2016/10/18 10:26 * email:812219713@qq.com */ public class ImageSelectorFragment extends Fragment { public static final String TAG = "me.nereo.multi_image_selector.MultiImageSelectorFragment"; private static final String KEY_TEMP_FILE = "key_temp_file"; /** * 最大图片选择次数，int类型 */ public static final String EXTRA_SELECT_COUNT = "max_select_count"; /** * 图片选择模式，int类型 */ public static final String EXTRA_SELECT_MODE = "select_count_mode"; /** * 是否显示相机，boolean类型 */ public static final String EXTRA_SHOW_CAMERA = "show_camera"; /** * 默认选择的数据集 */ public static final String EXTRA_DEFAULT_SELECTED_LIST = "default_result"; /** * 单选 */ public static final int MODE_SINGLE = 0; /** * 多选 */ public static final int MODE_MULTI = 1; // 不同loader定义 private static final int LOADER_ALL = 0; private static final int LOADER_CATEGORY = 1; // 请求加载系统照相机 private static final int REQUEST_CAMERA = 100; // 结果数据 private ArrayList resultList = new ArrayList<>(); // 文件夹数据 private ArrayList mResultFolder = new ArrayList<>(); // 图片Grid private GridView mGridView; private Callback mCallback; private ImageGridAdapter mImageAdapter; private FolderAdapter mFolderAdapter; // 类别 private TextView mCategoryText; // 预览按钮 // private Button mPreviewBtn; private int mDesireImageCount; private boolean hasFolderGened = false; private boolean mIsShowCamera = false; private File mTmpFile; private ListFilePopWindow listFilePopWindow; @Override public void onAttach(Activity activity) { super.onAttach(activity); try { mCallback = (Callback) activity; } catch (ClassCastException e) { throw new ClassCastException("The Activity must implement MultiImageSelectorFragment.Callback interface..."); } } @Nullable @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View view = inflater.inflate(R.layout.kf5_fragment_multi_image, null, false); mCategoryText = (TextView) view.findViewById(R.id.kf5_category_btn); mGridView = (GridView) view.findViewById(R.id.kf5_selector_gridview); return view; } @Override public void onViewCreated(View view, Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); // 选择图片数量 mDesireImageCount = getArguments().getInt(EXTRA_SELECT_COUNT); // 图片选择模式 final int mode = getArguments().getInt(EXTRA_SELECT_MODE); // 默认选择 if (mode == MODE_MULTI) { ArrayList tmp = getArguments().getStringArrayList(EXTRA_DEFAULT_SELECTED_LIST); if (tmp != null && tmp.size() > 0) { resultList = tmp; } } // 是否显示照相机 mIsShowCamera = getArguments().getBoolean(EXTRA_SHOW_CAMERA, true); mImageAdapter = new ImageGridAdapter(getActivity(), mIsShowCamera, 3); // 是否显示选择指示器 mImageAdapter.showSelectIndicator(mode == MODE_MULTI); // 初始化，加载所有图片 mCategoryText.setText(R.string.kf5_photo_all); mCategoryText.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { if (listFilePopWindow == null) { listFilePopWindow = new ListFilePopWindow(getActivity(), mCategoryText); listFilePopWindow.setListAdapter(mFolderAdapter); listFilePopWindow.setPopwindowItemClickListener(new ListFilePopWindow.OnFileListPopWindowItemClickListener() { @Override public void onFileListItemCilck(AdapterView adapterView, View view, int i, long l) { // TODO Auto-generated method stub mFolderAdapter.setSelectIndex(i); final int index = i; final AdapterView v = adapterView; new Handler().postDelayed(new Runnable() { @Override public void run() { // mFolderPopupWindow.dismiss(); if (index == 0) { getActivity().getSupportLoaderManager().restartLoader(LOADER_ALL, null, mLoaderCallback); mCategoryText.setText(R.string.kf5_photo_all); if (mIsShowCamera) { mImageAdapter.setShowCamera(true); } else { mImageAdapter.setShowCamera(false); } } else { Folder folder = (Folder) v.getAdapter().getItem(index); if (null != folder) { mImageAdapter.setData(folder.images); mCategoryText.setText(folder.name); // 设定默认选择 if (resultList != null && resultList.size() > 0) { mImageAdapter.setDefaultSelected(resultList); } } mImageAdapter.setShowCamera(false); } // 滑动到最初始位置 mGridView.smoothScrollToPosition(0); } }, 100); } }); } listFilePopWindow.show(); } }); mGridView.setAdapter(mImageAdapter); mGridView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView adapterView, View view, int i, long l) { if (mImageAdapter.isShowCamera()) { // 如果显示照相机，则第一个Grid显示为照相机，处理特殊逻辑 if (i == 0) { showCameraAction(); } else { // 正常操作 Image image = (Image) adapterView.getAdapter().getItem(i); selectImageFromGrid(image, mode); } } else { // 正常操作 Image image = (Image) adapterView.getAdapter().getItem(i); selectImageFromGrid(image, mode); } } }); mGridView.setOnScrollListener(new AbsListView.OnScrollListener() { @Override public void onScrollStateChanged(AbsListView view, int scrollState) { if (scrollState == SCROLL_STATE_FLING) { Glide.with(getActivity()).pauseRequests(); } else { Glide.with(getActivity()).resumeRequests(); } } @Override public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) { } }); mFolderAdapter = new FolderAdapter(getActivity()); } @Override public void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putSerializable(KEY_TEMP_FILE, mTmpFile); } @Override public void onViewStateRestored(Bundle savedInstanceState) { super.onViewStateRestored(savedInstanceState); if (savedInstanceState != null) { mTmpFile = (File) savedInstanceState.getSerializable(KEY_TEMP_FILE); } } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); // 首次加载所有图片 //new LoadImageTask().execute(); getActivity().getSupportLoaderManager().initLoader(LOADER_ALL, null, mLoaderCallback); } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); // 相机拍照完成后，返回图片路径 if (requestCode == REQUEST_CAMERA) { if (resultCode == Activity.RESULT_OK) { if (mTmpFile != null) { if (mCallback != null) { mCallback.onCameraShot(mTmpFile); } } } else { while (mTmpFile != null && mTmpFile.exists()) { boolean success = mTmpFile.delete(); if (success) { mTmpFile = null; } } } } } @Override public void onConfigurationChanged(Configuration newConfig) { if (listFilePopWindow != null) { if (listFilePopWindow.isShowing()) { listFilePopWindow.disMiss(); } } super.onConfigurationChanged(newConfig); } /** * 选择相机 */ private void showCameraAction() { // 跳转到系统照相机 Intent cameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); if (cameraIntent.resolveActivity(getActivity().getPackageManager()) != null) { // 设置系统相机拍照后的输出路径 // 创建临时文件 try { mTmpFile = FileUtils.createTmpFile(getActivity()); } catch (IOException e) { e.printStackTrace(); } if (mTmpFile != null && mTmpFile.exists()) { cameraIntent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(mTmpFile)); startActivityForResult(cameraIntent, REQUEST_CAMERA); } else { Toast.makeText(getActivity(), getString(R.string.kf5_image_error), Toast.LENGTH_SHORT).show(); } } else { Toast.makeText(getActivity(), getResources().getString(R.string.kf5_no_camera_hint), Toast.LENGTH_SHORT).show(); } } /** * 选择图片操作 * * @param image */ private void selectImageFromGrid(Image image, int mode) { if (image != null) { // 多选模式 if (mode == MODE_MULTI) { if (resultList.contains(image.path)) { resultList.remove(image.path); if (mCallback != null) { mCallback.onImageUnselected(image.path); } } else { // 判断选择数量问题 if (mDesireImageCount == resultList.size()) { Toast.makeText(getActivity(), getResources().getString(R.string.kf5_photo_amount_limit_hint, String.valueOf(resultList.size())), Toast.LENGTH_SHORT).show(); return; } resultList.add(image.path); if (mCallback != null) { mCallback.onImageSelected(image.path); } } mImageAdapter.select(image); } else if (mode == MODE_SINGLE) { // 单选模式 if (mCallback != null) { mCallback.onSingleImageSelected(image.path); } } } } private LoaderManager.LoaderCallbacks mLoaderCallback; { mLoaderCallback = new LoaderManager.LoaderCallbacks() { private final String[] IMAGE_PROJECTION = { MediaStore.Images.Media.DATA, MediaStore.Images.Media.DISPLAY_NAME, MediaStore.Images.Media.DATE_ADDED, MediaStore.Images.Media.MIME_TYPE, MediaStore.Images.Media.SIZE, MediaStore.Images.Media._ID}; @Override public Loader onCreateLoader(int id, Bundle args) { if (id == LOADER_ALL) { return new CursorLoader(getActivity(), MediaStore.Images.Media.EXTERNAL_CONTENT_URI, IMAGE_PROJECTION, IMAGE_PROJECTION[4] + ">0 AND " + IMAGE_PROJECTION[3] + "=? OR " + IMAGE_PROJECTION[3] + "=? ", new String[]{"image/jpeg", "image/png"}, IMAGE_PROJECTION[2] + " DESC"); } else if (id == LOADER_CATEGORY) { return new CursorLoader(getActivity(), MediaStore.Images.Media.EXTERNAL_CONTENT_URI, IMAGE_PROJECTION, IMAGE_PROJECTION[4] + ">0 AND " + IMAGE_PROJECTION[0] + " like '%" + args.getString("path") + "%'", null, IMAGE_PROJECTION[2] + " DESC"); } return null; } private boolean fileExist(String path) { if (!TextUtils.isEmpty(path)) { return new File(path).exists(); } return false; } @Override public void onLoadFinished(Loader loader, Cursor data) { if (data != null) { if (data.getCount() > 0) { List images = new ArrayList<>(); data.moveToFirst(); do { String path = data.getString(data.getColumnIndexOrThrow(IMAGE_PROJECTION[0])); String name = data.getString(data.getColumnIndexOrThrow(IMAGE_PROJECTION[1])); long dateTime = data.getLong(data.getColumnIndexOrThrow(IMAGE_PROJECTION[2])); Image image = null; if (fileExist(path) && FileSizeUtil.getFileOrFilesSize(path, FileSizeUtil.SIZETYPE_B) > 0) { image = new Image(path, name, dateTime); images.add(image); } if (!hasFolderGened) { // 获取文件夹名称 File folderFile = new File(path).getParentFile(); if (folderFile != null && folderFile.exists()) { String fp = folderFile.getAbsolutePath(); Folder f = getFolderByPath(fp); if (f == null) { Folder folder = new Folder(); folder.name = folderFile.getName(); folder.path = fp; folder.cover = image; List imageList = new ArrayList<>(); imageList.add(image); folder.images = imageList; mResultFolder.add(folder); } else { f.images.add(image); } } } } while (data.moveToNext()); mImageAdapter.setData(images); // 设定默认选择 if (resultList != null && resultList.size() > 0) { mImageAdapter.setDefaultSelected(resultList); } if (!hasFolderGened) { mFolderAdapter.setData(mResultFolder); hasFolderGened = true; } } } } @Override public void onLoaderReset(Loader loader) { } }; } private Folder getFolderByPath(String path) { if (mResultFolder != null) { for (Folder folder : mResultFolder) { if (TextUtils.equals(folder.path, path)) { return folder; } } } return null; } /** * 回调接口 */ public interface Callback { void onSingleImageSelected(String path); void onImageSelected(String path); void onImageUnselected(String path); void onCameraShot(File imageFile); } }