package com.fanxin.huangfangyi.ui; import java.util.ArrayList; import java.util.List; import android.annotation.TargetApi; import android.app.Activity; import android.content.ContentResolver; import android.content.Context; import android.content.Intent; import android.database.Cursor; import android.net.Uri; import android.os.Build.VERSION_CODES; import android.os.Bundle; import android.provider.MediaStore; import android.support.v4.app.Fragment; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.ViewTreeObserver; import android.widget.AbsListView; import android.widget.AbsListView.LayoutParams; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.BaseAdapter; import android.widget.GridView; import android.widget.ImageView; import android.widget.RelativeLayout; import android.widget.TextView; import android.widget.Toast; import com.fanxin.huangfangyi.video.util.Utils; import com.fanxin.huangfangyi.BuildConfig; import com.fanxin.huangfangyi.R; import com.fanxin.huangfangyi.domain.VideoEntity; import com.fanxin.huangfangyi.video.util.ImageCache; import com.fanxin.huangfangyi.video.util.ImageResizer; import com.fanxin.huangfangyi.widget.RecyclingImageView; import com.hyphenate.util.DateUtils; import com.hyphenate.util.EMLog; import com.hyphenate.util.TextFormater; public class ImageGridFragment extends Fragment implements OnItemClickListener { private static final String TAG = "ImageGridFragment"; private int mImageThumbSize; private int mImageThumbSpacing; private ImageAdapter mAdapter; private ImageResizer mImageResizer; List<VideoEntity> mList; /** * Empty constructor as per the Fragment documentation */ public ImageGridFragment() { } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mImageThumbSize = getResources().getDimensionPixelSize( R.dimen.image_thumbnail_size); mImageThumbSpacing = getResources().getDimensionPixelSize( R.dimen.image_thumbnail_spacing); mList=new ArrayList<VideoEntity>(); getVideoFile(); mAdapter = new ImageAdapter(getActivity()); ImageCache.ImageCacheParams cacheParams=new ImageCache.ImageCacheParams(); cacheParams.setMemCacheSizePercent(0.25f); // Set memory cache to 25% of // app memory // The ImageFetcher takes care of loading images into our ImageView // children asynchronously mImageResizer = new ImageResizer(getActivity(), mImageThumbSize); mImageResizer.setLoadingImage(R.drawable.em_empty_photo); mImageResizer.addImageCache(getActivity().getSupportFragmentManager(), cacheParams); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { final View v = inflater.inflate(R.layout.em_image_grid_fragment, container, false); final GridView mGridView = (GridView) v.findViewById(R.id.gridView); mGridView.setAdapter(mAdapter); mGridView.setOnItemClickListener(this); mGridView.setOnScrollListener(new AbsListView.OnScrollListener() { @Override public void onScrollStateChanged(AbsListView absListView, int scrollState) { // Pause fetcher to ensure smoother scrolling when flinging if (scrollState == AbsListView.OnScrollListener.SCROLL_STATE_FLING) { // Before Honeycomb pause image loading on scroll to help // with performance if (!Utils.hasHoneycomb()) { mImageResizer.setPauseWork(true); } } else { mImageResizer.setPauseWork(false); } } @Override public void onScroll(AbsListView absListView, int firstVisibleItem, int visibleItemCount, int totalItemCount) { } }); // This listener is used to get the final width of the GridView and then // calculate the // number of columns and the width of each column. The width of each // column is variable // as the GridView has stretchMode=columnWidth. The column width is used // to set the height // of each view so we get nice square thumbnails. mGridView.getViewTreeObserver().addOnGlobalLayoutListener( new ViewTreeObserver.OnGlobalLayoutListener() { @TargetApi(VERSION_CODES.JELLY_BEAN) @Override public void onGlobalLayout() { final int numColumns = (int) Math.floor(mGridView .getWidth() / (mImageThumbSize + mImageThumbSpacing)); if (numColumns > 0) { final int columnWidth = (mGridView.getWidth() / numColumns) - mImageThumbSpacing; mAdapter.setItemHeight(columnWidth); if (BuildConfig.DEBUG) { Log.d(TAG, "onCreateView - numColumns set to " + numColumns); } if (Utils.hasJellyBean()) { mGridView.getViewTreeObserver() .removeOnGlobalLayoutListener(this); } else { mGridView.getViewTreeObserver() .removeGlobalOnLayoutListener(this); } } } }); return v; } @Override public void onResume() { super.onResume(); mImageResizer.setExitTasksEarly(false); mAdapter.notifyDataSetChanged(); } @Override public void onDestroy() { super.onDestroy(); mImageResizer.closeCache(); mImageResizer.clearCache(); } @Override public void onItemClick(AdapterView<?> parent, View v, final int position, long id) { mImageResizer.setPauseWork(true); if(position==0) { Intent intent=new Intent(); intent.setClass(getActivity(), RecorderVideoActivity.class); startActivityForResult(intent, 100); }else{ VideoEntity vEntty=mList.get(position-1); // limit the size to 10M if (vEntty.size > 1024 * 1024 * 10) { String st = getResources().getString(R.string.temporary_does_not); Toast.makeText(getActivity(), st, Toast.LENGTH_SHORT).show(); return; } Intent intent=getActivity().getIntent().putExtra("path", vEntty.filePath).putExtra("dur", vEntty.duration); getActivity().setResult(Activity.RESULT_OK, intent); getActivity().finish(); } } private class ImageAdapter extends BaseAdapter { private final Context mContext; private int mItemHeight = 0; private RelativeLayout.LayoutParams mImageViewLayoutParams; public ImageAdapter(Context context) { super(); mContext = context; mImageViewLayoutParams = new RelativeLayout.LayoutParams( LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); } @Override public int getCount() { return mList.size()+1; } @Override public Object getItem(int position) { return (position==0)?null:mList.get(position-1); } @Override public long getItemId(int position) { return position ; } @Override public View getView(int position, View convertView, ViewGroup container) { ViewHolder holder=null; if(convertView==null) { holder=new ViewHolder(); convertView=LayoutInflater.from(mContext).inflate(R.layout.em_choose_griditem, container,false); holder.imageView=(RecyclingImageView) convertView.findViewById(R.id.imageView); holder.icon=(ImageView) convertView.findViewById(R.id.video_icon); holder.tvDur=(TextView)convertView.findViewById(R.id.chatting_length_iv); holder.tvSize=(TextView)convertView.findViewById(R.id.chatting_size_iv); holder.imageView.setScaleType(ImageView.ScaleType.CENTER_CROP); holder.imageView.setLayoutParams(mImageViewLayoutParams); convertView.setTag(holder); }else{ holder=(ViewHolder) convertView.getTag(); } // Check the height matches our calculated column width if (holder.imageView.getLayoutParams().height != mItemHeight) { holder.imageView.setLayoutParams(mImageViewLayoutParams); } // Finally load the image asynchronously into the ImageView, this // also takes care of // setting a placeholder image while the background thread runs String st1 = getResources().getString(R.string.Video_footage); if(position==0) { holder.icon.setVisibility(View.GONE); holder.tvDur.setVisibility(View.GONE); holder.tvSize.setText(st1); holder.imageView.setImageResource(R.drawable.em_actionbar_camera_icon); }else{ holder.icon.setVisibility(View.VISIBLE); VideoEntity entty=mList.get(position-1); holder.tvDur.setVisibility(View.VISIBLE); holder.tvDur.setText(DateUtils.toTime(entty.duration)); holder.tvSize.setText(TextFormater.getDataSize(entty.size)); holder.imageView.setImageResource(R.drawable.em_empty_photo); mImageResizer.loadImage(entty.filePath, holder.imageView); } return convertView; // END_INCLUDE(load_gridview_item) } /** * Sets the item height. Useful for when we know the column width so the * height can be set to match. * * @param height */ public void setItemHeight(int height) { if (height == mItemHeight) { return; } mItemHeight = height; mImageViewLayoutParams = new RelativeLayout.LayoutParams( LayoutParams.MATCH_PARENT, mItemHeight); mImageResizer.setImageSize(height); notifyDataSetChanged(); } class ViewHolder{ RecyclingImageView imageView; ImageView icon; TextView tvDur; TextView tvSize; } } private void getVideoFile() { ContentResolver mContentResolver=getActivity().getContentResolver(); Cursor cursor=mContentResolver.query(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, null, null, null,MediaStore.Video.DEFAULT_SORT_ORDER); if (cursor != null && cursor.moveToFirst()) { do { // ID:MediaStore.Audio.Media._ID int id = cursor.getInt(cursor .getColumnIndexOrThrow(MediaStore.Video.Media._ID)); // title:MediaStore.Audio.Media.TITLE String title = cursor.getString(cursor .getColumnIndexOrThrow(MediaStore.Video.Media.TITLE)); // path:MediaStore.Audio.Media.DATA String url = cursor.getString(cursor .getColumnIndexOrThrow(MediaStore.Video.Media.DATA)); // duration:MediaStore.Audio.Media.DURATION int duration = cursor .getInt(cursor .getColumnIndexOrThrow(MediaStore.Video.Media.DURATION)); // 大小:MediaStore.Audio.Media.SIZE int size = (int) cursor.getLong(cursor .getColumnIndexOrThrow(MediaStore.Video.Media.SIZE)); VideoEntity entty = new VideoEntity(); entty.ID = id; entty.title = title; entty.filePath = url; entty.duration = duration; entty.size = size; mList.add(entty); } while (cursor.moveToNext()); } if (cursor != null) { cursor.close(); cursor = null; } } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if(resultCode==Activity.RESULT_OK) { if(requestCode==100) { Uri uri=data.getParcelableExtra("uri"); String[] projects = new String[] { MediaStore.Video.Media.DATA, MediaStore.Video.Media.DURATION }; Cursor cursor = getActivity().getContentResolver().query( uri, projects, null, null, null); int duration=0; String filePath=null; if (cursor.moveToFirst()) { // path:MediaStore.Audio.Media.DATA filePath = cursor.getString(cursor .getColumnIndexOrThrow(MediaStore.Video.Media.DATA)); // duration:MediaStore.Audio.Media.DURATION duration = cursor .getInt(cursor .getColumnIndexOrThrow(MediaStore.Video.Media.DURATION)); EMLog.d(TAG, "duration:"+duration); } if(cursor!=null) { cursor.close(); cursor=null; } getActivity().setResult(Activity.RESULT_OK, getActivity().getIntent().putExtra("path", filePath).putExtra("dur", duration)); getActivity().finish(); } } } }