import com.google.samples.apps.iosched.model.ScheduleItem; //导入依赖的package包/类
private String formatTime(long now, ScheduleItem item) {
    StringBuilder time = new StringBuilder();
    if (item.startTime <= now) {
        // session is happening now!
        if (0 != (item.flags & ScheduleItem.FLAG_HAS_LIVESTREAM)) {
            // session has live stream
            time.append(mContext.getString(R.string.watch_now));
        } else {
            time.append(mContext.getString(R.string.session_now));
        }
    } else {
        // session in the future
        time.append(TimeUtils.formatShortTime(mContext, new Date(item.startTime)));
    }
    time.append(" - ");
    time.append(TimeUtils.formatShortTime(mContext, new Date(item.endTime)));
    return time.toString();
}
 

import com.google.samples.apps.iosched.model.ScheduleItem; //导入依赖的package包/类
@Override
public int getItemViewType(int position) {
    if (position < 0 || position >= mItems.size()) {
        LOGE(TAG, "Invalid view position passed to MyScheduleAdapter: " + position);
        return VIEW_TYPE_NORMAL;
    }
    ScheduleItem item = mItems.get(position);
    long now = UIUtils.getCurrentTime(mContext);
    if (item.startTime <= now && now <= item.endTime && item.type == ScheduleItem.SESSION) {
        return VIEW_TYPE_NOW;
    } else if (item.endTime <= now && now < Config.CONFERENCE_END_MILLIS) {
        return VIEW_TYPE_PAST_DURING_CONFERENCE;
    } else {
        return VIEW_TYPE_NORMAL;
    }
}
 

import com.google.samples.apps.iosched.model.ScheduleItem; //导入依赖的package包/类
@Override
public void onBindViewHolder(final ItemHolder holder, final int position) {
    mCursor.moveToPosition(position);
    final String title = mCursor.getString(OverviewSessionLoader.Query.SESSION_TITLE);
    final String sessionId = mCursor.getString(OverviewSessionLoader.Query.SESSION_ID);
    final long blockStart = mCursor.getLong(OverviewSessionLoader.Query.SESSION_START);
    final long blockEnd = mCursor.getLong(OverviewSessionLoader.Query.SESSION_END);
    final String sessionTag = mCursor.getString(OverviewSessionLoader.Query.SESSION_TAGS);
    final int sessionType = ScheduleItem.detectSessionType(sessionTag);
    final String text = UIUtils.formatIntervalTimeString(blockStart, blockEnd,
            mStringBuilder, mContext);

    holder.itemView.setTag(R.id.tag_session_id, sessionId);
    holder.title.setText(title);
    holder.text.setText(text);
    if (mDisplayIcons) {
        holder.image.setImageResource(UIUtils.getSessionIcon(sessionType));
    }
}
 

import com.google.samples.apps.iosched.model.ScheduleItem; //导入依赖的package包/类
@Override
public int getItemViewType(int position) {
    Object item = mItems.get(position);
    if (item instanceof ScheduleItem) {
        if (((ScheduleItem) item).type == ScheduleItem.BREAK) {
            return VIEW_TYPE_NON_SESSION;
        }
        return VIEW_TYPE_SESSION;
    }
    if (item instanceof SeparatorSpacer) {
        return VIEW_TYPE_SPACER;
    }
    if (item instanceof DaySeparator) {
        return VIEW_TYPE_DAY_HEADER;
    }
    if (item instanceof MessageData) {
        return VIEW_TYPE_MESSAGE_CARD;
    }
    return RecyclerView.INVALID_TYPE;
}
 

import com.google.samples.apps.iosched.model.ScheduleItem; //导入依赖的package包/类
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
    final Object item = mItems.get(position);
    switch (holder.getItemViewType()) {
        case VIEW_TYPE_SESSION:
            ((SessionItemViewHolder) holder).bind((ScheduleItem)item, mTagPool, mTagMetadata);
            break;
        case VIEW_TYPE_NON_SESSION:
            ((NonSessionItemViewHolder) holder).bind((ScheduleItem) item);
            break;
        case VIEW_TYPE_DAY_HEADER:
            ((DaySeparatorViewHolder) holder).bind((DaySeparator) item);
            break;
        case VIEW_TYPE_MESSAGE_CARD:
            ((MessageCardViewHolder) holder).onBind((MessageData) item);
            break;
    }
}
 

import com.google.samples.apps.iosched.model.ScheduleItem; //导入依赖的package包/类
/**
 * Return the position of the first item that has not finished.
 */
int findPositionForTime(final long time) {
    for (int i = 0; i < mItems.size(); i++) {
        Object item = mItems.get(i);
        if (item instanceof ScheduleItem) {
            if (((ScheduleItem) item).endTime > time) {
                return i;
            }
        } else if (item instanceof DaySeparator) {
            if (((DaySeparator) item).mStartTime > time) {
                return i;
            }
        }
    }
    return RecyclerView.NO_POSITION;
}
 

import com.google.samples.apps.iosched.model.ScheduleItem; //导入依赖的package包/类
@Override
public List<ScheduleItem> cursorToModel(@NonNull CursorModelLoader<List<ScheduleItem>> loader,
                                        @NonNull Cursor cursor) {
        ArrayList<ScheduleItem> items = new ArrayList<>();

        if (cursor.moveToFirst()) {
            do {
                ScheduleItem item = new ScheduleItem();
                item.setTypeFromBlockType(cursor.getString(BlocksQuery.BLOCK_TYPE));
                item.title = cursor.getString(BlocksQuery.BLOCK_TITLE);
                item.room = item.subtitle = cursor.getString(BlocksQuery.BLOCK_SUBTITLE);
                item.startTime = cursor.getLong(BlocksQuery.BLOCK_START);
                item.endTime = cursor.getLong(BlocksQuery.BLOCK_END);
                item.blockKind = cursor.getString(BlocksQuery.BLOCK_KIND);
                item.flags |= ScheduleItem.FLAG_NOT_REMOVABLE;
                items.add(item);
            } while (cursor.moveToNext());

    }
    return items;
}
 

import com.google.samples.apps.iosched.model.ScheduleItem; //导入依赖的package包/类
/**
 * Merges session and block items and sorts the merged collection.
 */
private void merge() {
    mScheduleItems.clear();

    if (mBlockItems != null) {
        mScheduleItems.addAll(mBlockItems);
    }

    if (mSessionItems != null) {
        mScheduleItems.addAll(mSessionItems);
    }

    Collections.sort(mScheduleItems, new Comparator<ScheduleItem>() {
        @Override
        public int compare(ScheduleItem lhs, ScheduleItem rhs) {
            return Long.compare(lhs.startTime, rhs.startTime);
        }
    });
}
 

import com.google.samples.apps.iosched.model.ScheduleItem; //导入依赖的package包/类
/**
 * This updates the data, by calling {@link ScheduleFetcher#getScheduleDataAsync
 * (LoadScheduleDataListener, long, long)} for each day. It is protected and not private, to
 * allow us to extend this class and use mock data in UI tests (refer {@code
 * StubMyScheduleModel} in {@code androidTest}).
 */
protected void updateData(final DataQueryCallback<MyScheduleQueryEnum> callback) {
    for (int i = 0; i < Config.CONFERENCE_DAYS.length; i++) {
        /**
         * The key in {@link #mScheduleData} is 1 for the first day, 2 for the second etc
         */
        final int dayId = i + 1;

        // Immediately use cached data if available
        if (callback != null && mScheduleData.indexOfKey(dayId) >= 0) {
            callback.onModelUpdated(this, MyScheduleQueryEnum.SCHEDULE);
        }

        // Update cached data
        mScheduleHelper.getScheduleDataAsync(new LoadScheduleDataListener() {
            @Override
            public void onDataLoaded(ArrayList<ScheduleItem> scheduleItems) {
                updateCache(dayId, scheduleItems, callback);
            }
        }, Config.CONFERENCE_DAYS[i][0], Config.CONFERENCE_DAYS[i][1], mTagFilterHolder);
    }
}
 

import com.google.samples.apps.iosched.model.ScheduleItem; //导入依赖的package包/类
private String formatDescription(@NonNull Context context, @NonNull ScheduleItem item,
                                 SessionTimeFormat timeFormat) {
    final StringBuilder description = mTmpStringBuilder;
    mTmpStringBuilder.setLength(0); // clear the builder
    if (timeFormat == DURATION) {
        description.append(TimeUtils.formatDuration(context, item.startTime, item.endTime));
    } else if (timeFormat == SPAN) {
        description.append(TimeUtils.formatShortTime(context, new Date(item.startTime)));
        if (!SPECIAL_KEYNOTE.equals(item.mainTag)) {
            description.append(" - ");
            description.append(TimeUtils.formatShortTime(context, new Date(item.endTime)));
        }
    }
    if (!TextUtils.isEmpty(item.room)) {
        description.append(" / ");
        description.append(item.room);
    }
    return description.toString();
}
 

import com.google.samples.apps.iosched.model.ScheduleItem; //导入依赖的package包/类
@Override
public void onBindViewHolder(final ViewHolder holder, final int position) {
    final Object item = mItems.get(position);
    switch (holder.getItemViewType()) {
        case ITEM_TYPE_SESSION:
            ((SessionItemViewHolder) holder).bind((ScheduleItem) item, mTagPool, mTagMetadata);
            break;
        case ITEM_TYPE_BREAK:
            ((NonSessionItemViewHolder) holder).bind((ScheduleItem) item);
            break;
        case ITEM_TYPE_TIME_HEADER:
        default:
            ((TimeSeperatorViewHolder) holder).bind((TimeSeperatorItem) item);
            break;
    }
}
 

import com.google.samples.apps.iosched.model.ScheduleItem; //导入依赖的package包/类
public void updateItems(final List<ScheduleItem> items) {
    mItems.clear();
    if (items == null) {
        notifyDataSetChanged();
        return;
    }

    if (!mShowTimeSeparators) {
        mItems.addAll(items);
    } else {
        for (int i = 0, size = items.size(); i < size; i++) {
            final ScheduleItem prev = i > 0 ? items.get(i - 1) : null;
            final ScheduleItem item = items.get(i);

            if (prev == null || !ScheduleItemHelper.sameStartTime(prev, item, true)) {
                mItems.add(new TimeSeperatorItem(item));
            }
            mItems.add(item);
        }
    }

    // TODO use DiffUtil
    notifyDataSetChanged();
}
 

import com.google.samples.apps.iosched.model.ScheduleItem; //导入依赖的package包/类
private ScheduleItem item(String start, String end, String id, boolean conflict, int type) {
    ScheduleItem i = new ScheduleItem();
    i.title = id;
    i.startTime = date(start);
    i.endTime = date(end);
    i.type = type;
    if (conflict) i.flags = ScheduleItem.FLAG_CONFLICTS_WITH_PREVIOUS;
    return i;
}
 

import com.google.samples.apps.iosched.model.ScheduleItem; //导入依赖的package包/类
public static @DrawableRes int getSessionIcon(int sessionType) {
    switch (sessionType) {
        case ScheduleItem.SESSION_TYPE_SESSION:
            return R.drawable.ic_session;
        case ScheduleItem.SESSION_TYPE_CODELAB:
            return R.drawable.ic_codelab;
        case ScheduleItem.SESSION_TYPE_BOXTALK:
            return R.drawable.ic_sandbox;
        case ScheduleItem.SESSION_TYPE_MISC:
        default:
            return R.drawable.ic_misc;
    }
}
 

import com.google.samples.apps.iosched.model.ScheduleItem; //导入依赖的package包/类
public int getItemViewType(int position) {
    if (position < 0 || position >= mScheduleItems.size()) {
        LOGE(TAG, "Invalid view position passed to MyScheduleAdapter: " + position);
        return VIEW_TYPE_NORMAL;
    }
    ScheduleItem item = mScheduleItems.get(position);
    long now = UIUtils.getCurrentTime(mContext);
    if (item.startTime <= now && now <= item.endTime && item.type == ScheduleItem.SESSION) {
        return VIEW_TYPE_NOW;
    } else {
        return VIEW_TYPE_NORMAL;
    }
}
 

import com.google.samples.apps.iosched.model.ScheduleItem; //导入依赖的package包/类
private void prepareDayZeroAdapter() {
    ScheduleItem item = new ScheduleItem();
    item.title = "Badge Pick-Up";
    item.startTime = 1432742400000l; // 2015/05/27 9:00 AM PST
    item.endTime = 1432782000000l; // 2015/05/27 8:00 PM PST
    item.type = ScheduleItem.BREAK;
    item.room = item.subtitle = "Registration Desk";
    item.sessionType = ScheduleItem.SESSION_TYPE_MISC;
    mDayZeroAdapter.updateItems(Arrays.asList(item));
}
 

import com.google.samples.apps.iosched.model.ScheduleItem; //导入依赖的package包/类
private String formatDescription(ScheduleItem item) {
    StringBuilder description = new StringBuilder();
    description.append(TimeUtils.formatShortTime(mContext, new Date(item.startTime)));
    if (!Config.Tags.SPECIAL_KEYNOTE.equals(item.mainTag)) {
        description.append(" - ");
        description.append(TimeUtils.formatShortTime(mContext, new Date(item.endTime)));
    }
    if (!TextUtils.isEmpty(item.room)) {
        description.append(" / ");
        description.append(item.room);
    }
    return description.toString();
}
 

import com.google.samples.apps.iosched.model.ScheduleItem; //导入依赖的package包/类
public void updateItems(List<ScheduleItem> items) {
    mItems.clear();
    if (items != null) {
        for (ScheduleItem item : items) {
            LOGD(TAG, "Adding schedule item: " + item + " start=" + new Date(item.startTime));
            mItems.add((ScheduleItem) item.clone());
        }
    }
    notifyObservers();
}