import com.google.samples.apps.iosched.util.UIUtils; //导入依赖的package包/类
/**
 * Determines visibility of a social icon, sets up a click listener to allow the user to
 * navigate to the social network associated with the icon, and sets up a content description
 * for the icon.
 */
private void setUpSpeakerSocialIcon(final SessionDetailModel.Speaker speaker,
                                    ImageView socialIcon, final String socialUrl,
                                    String socialNetworkName, final String packageName) {
    if (socialUrl == null || socialUrl.isEmpty()) {
        socialIcon.setVisibility(View.GONE);
    } else {
        socialIcon.setContentDescription(getString(
                        R.string.speaker_social_page,
                        socialNetworkName,
                        speaker.getName())
        );
        socialIcon.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                UIUtils.fireSocialIntent(
                        getActivity(),
                        Uri.parse(socialUrl),
                        packageName
                );
            }
        });
    }
}
 

import com.google.samples.apps.iosched.util.UIUtils; //导入依赖的package包/类
public void scheduleFeedbackAlarm(final long sessionEnd,
        final long alarmOffset, final String sessionTitle) {
    // By default, feedback alarms fire 5 minutes before session end time. If alarm offset is
    // provided, alarm is set to go off that much time from now (useful for testing).
    long alarmTime;
    if (alarmOffset == UNDEFINED_ALARM_OFFSET) {
        alarmTime = sessionEnd - MILLI_FIVE_MINUTES;
    } else {
        alarmTime = UIUtils.getCurrentTime(this) + alarmOffset;
    }

    LOGD(TAG, "Scheduling session feedback alarm for session '" + sessionTitle + "'");
    LOGD(TAG, "  -> end time: " + sessionEnd + " = " + (new Date(sessionEnd)).toString());
    LOGD(TAG, "  -> alarm time: " + alarmTime + " = " + (new Date(alarmTime)).toString());

    final Intent feedbackIntent = new Intent(
            ACTION_NOTIFY_SESSION_FEEDBACK,
            null,
            this,
            SessionAlarmService.class);
    PendingIntent pi = PendingIntent.getService(
            this, 1, feedbackIntent, PendingIntent.FLAG_CANCEL_CURRENT);
    final AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
    am.set(AlarmManager.RTC_WAKEUP, alarmTime, pi);
}
 

import com.google.samples.apps.iosched.util.UIUtils; //导入依赖的package包/类
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
    if (id != QUERY_TOKEN_SESSION_ROOM && id != QUERY_TOKEN_SUBTITLE) {
        return null;
    }

    final long time = UIUtils.getCurrentTime(getActivity());
    final String roomId = args.getString(QUERY_ARG_ROOMID);
    final String roomTitle = args.getString(QUERY_ARG_ROOMTITLE);
    final int roomType = args.getInt(QUERY_ARG_ROOMTYPE);

    if (id == QUERY_TOKEN_SESSION_ROOM) {
        return new OverviewSessionLoader(getActivity(), roomId, roomTitle, roomType, time);
    } else if (id == QUERY_TOKEN_SUBTITLE) {
        return new SingleSessionLoader(getActivity(), roomId, roomTitle, roomType);
    }
    return null;
}
 

import com.google.samples.apps.iosched.util.UIUtils; //导入依赖的package包/类
/**
 * Return whether this is a LiveStreamed session and whether it is happening right now.
 */
public boolean isLiveStreamNow(Context context) {
    if (!isLiveStreamAvailable()) {
        return false;
    }
    if (mStartDate == null || mEndDate == null) {
        return false;
    }
    Calendar now = java.util.Calendar.getInstance();
    now.setTimeInMillis(UIUtils.getCurrentTime(context));
    if (mStartDate.before(now.getTime()) && mEndDate.after(now.getTime())) {
        return true;
    } else {
        return false;
    }
}
 

import com.google.samples.apps.iosched.util.UIUtils; //导入依赖的package包/类
@Override
public void onResume() {
    super.onResume();
    getActivity().invalidateOptionsMenu();

    // configure video fragment's top clearance to take our overlaid controls (Action Bar
    // and spinner box) into account.
    int actionBarSize = UIUtils.calculateActionBarSize(getActivity());
    DrawShadowFrameLayout drawShadowFrameLayout =
            (DrawShadowFrameLayout) getActivity().findViewById(R.id.main_content);
    if (drawShadowFrameLayout != null) {
        drawShadowFrameLayout.setShadowTopOffset(actionBarSize);
    }
    setContentTopClearance(actionBarSize
            + getResources().getDimensionPixelSize(R.dimen.explore_grid_padding));
}
 

import com.google.samples.apps.iosched.util.UIUtils; //导入依赖的package包/类
@Override
protected void onPostCreate(Bundle savedInstanceState) {
    super.onPostCreate(savedInstanceState);
    if (mViewPager != null) {
        long now = UIUtils.getCurrentTime(this);
        selectDay(0);
        for (int i = 0; i < Config.CONFERENCE_DAYS.length; i++) {
            if (now >= Config.CONFERENCE_DAYS[i][0] && now <= Config.CONFERENCE_DAYS[i][1]) {
                selectDay(i);
                break;
            }
        }
    }
    setProgressBarTopWhenActionBarShown((int)
            TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 2,
                    getResources().getDisplayMetrics()));
}
 

import com.google.samples.apps.iosched.util.UIUtils; //导入依赖的package包/类
@Override
public void run() {
    MyScheduleActivity activity = weakRefToParent.get();
    if (activity == null || activity.hasBeenDestroyed()) {
        LOGD(TAG, "Ativity is not valid anymore. Stopping UI Updater");
        return;
    }
    LOGD(TAG, "Running MySchedule UI updater (now=" +
            new Date(UIUtils.getCurrentTime(activity)) + ")");
    if (activity.mScheduleAdapters != null
            && activity.mScheduleAdapters.length > today
            && activity.mScheduleAdapters[today] != null) {
        try {
            activity.mScheduleAdapters[today].forceUpdate();
        } finally {
            // schedule again
            this.scheduleNextRun();
        }
    }
}
 

import com.google.samples.apps.iosched.util.UIUtils; //导入依赖的package包/类
public MyScheduleAdapter(Context context, LUtils lUtils) {
    mContext = context;
    mLUtils = lUtils;
    Resources resources = context.getResources();
    mHourColorDefault = resources.getColor(R.color.my_schedule_hour_header_default);
    mHourColorPast = resources.getColor(R.color.my_schedule_hour_header_finished);
    mTitleColorDefault = resources.getColor(R.color.my_schedule_session_title_default);
    mTitleColorPast = resources.getColor(R.color.my_schedule_session_title_finished);
    mIconColorDefault = resources.getColor(R.color.my_schedule_icon_default);
    mIconColorPast = resources.getColor(R.color.my_schedule_icon_finished);
    mColorConflict = resources.getColor(R.color.my_schedule_conflict);
    mColorBackgroundDefault = resources.getColor(android.R.color.white);
    mColorBackgroundPast = resources.getColor(R.color.my_schedule_past_background);
    mListSpacing = resources.getDimensionPixelOffset(R.dimen.element_spacing_normal);
    TypedArray a = context.obtainStyledAttributes(new int[]{R.attr.selectableItemBackground});
    mSelectableItemBackground = a.getResourceId(0, 0);
    a.recycle();
    mIsRtl = UIUtils.isRtl(context);
}
 

import com.google.samples.apps.iosched.util.UIUtils; //导入依赖的package包/类
@Override
protected void onResume() {
    super.onResume();
    invalidateOptionsMenu();
    if (Config.hasExpertsDirectoryExpired()) {
        startActivity(new Intent(this, BrowseSessionsActivity.class));
        finish();
    }

    Fragment frag = getFragmentManager().findFragmentById(R.id.experts_fragment);
    if (frag != null) {
        // configure expert fragment's top clearance to take our overlaid controls (Action Bar
        // and spinner box) into account.
        int actionBarSize = UIUtils.calculateActionBarSize(this);
        int filterBarSize = getResources().getDimensionPixelSize(R.dimen.filterbar_height);
        mDrawShadowFrameLayout.setShadowTopOffset(actionBarSize + filterBarSize);
        ((ExpertsDirectoryFragment) frag).setContentTopClearance(actionBarSize + filterBarSize
                + getResources().getDimensionPixelSize(R.dimen.explore_grid_padding));
    }
}
 

import com.google.samples.apps.iosched.util.UIUtils; //导入依赖的package包/类
@Override
protected void onResume() {
    super.onResume();
    invalidateOptionsMenu();

    Fragment frag = getFragmentManager().findFragmentById(R.id.videos_fragment);
    if (frag != null) {
        // configure video fragment's top clearance to take our overlaid controls (Action Bar
        // and spinner box) into account.
        int actionBarSize = UIUtils.calculateActionBarSize(this);
        int filterBarSize = getResources().getDimensionPixelSize(R.dimen.filterbar_height);
        mDrawShadowFrameLayout.setShadowTopOffset(actionBarSize + filterBarSize);
        ((VideoLibraryFragment) frag).setContentTopClearance(actionBarSize + filterBarSize
                + getResources().getDimensionPixelSize(R.dimen.explore_grid_padding));
    }
}
 

import com.google.samples.apps.iosched.util.UIUtils; //导入依赖的package包/类
@Override
public void onClick(View v) {
    switch (v.getId()) {
        case R.id.container: {
            String personId = (String) v.getTag(R.id.tag_person_id);
            Intent intent = new Intent(Intent.ACTION_VIEW);
            intent.setData(Uri.parse(getPlusUrl(personId)));
            UIUtils.preferPackageForIntent(mContext, intent,
                    UIUtils.GOOGLE_PLUS_PACKAGE_NAME);
            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
            mContext.startActivity(intent);
            break;
        }
        case R.id.actions: {
            mCurrentMenuPersonId = (String) v.getTag(R.id.tag_person_id);
            mCurrentMenuPersonName = (String) v.getTag(R.id.tag_person_name);
            mCurrentMenuPersonNote = (String) v.getTag(R.id.tag_person_note);
            PopupMenu popup = new PopupMenu(mContext, v);
            popup.getMenuInflater().inflate(R.menu.people_ive_met, popup.getMenu());
            popup.setOnMenuItemClickListener(this);
            popup.show();
            break;
        }
    }
}
 

import com.google.samples.apps.iosched.util.UIUtils; //导入依赖的package包/类
@Override
public void onScrollChanged(int deltaX, int deltaY) {
    // Reposition the header bar -- it's normally anchored to the top of the content,
    // but locks to the top of the screen on scroll
    int scrollY = mScrollView.getScrollY();

    float newTop = Math.max(mPhotoHeightPixels, scrollY);
    mHeaderBox.setTranslationY(newTop);
    mAddScheduleButton.setTranslationY(newTop + mHeaderHeightPixels
            - mAddScheduleButtonHeightPixels / 2);

    float gapFillProgress = 1;
    if (mPhotoHeightPixels != 0) {
        gapFillProgress = Math.min(Math.max(UIUtils.getProgress(scrollY,
                0,
                mPhotoHeightPixels), 0), 1);
    }

    ViewCompat.setElevation(mHeaderBox, gapFillProgress * mMaxHeaderElevation);
    ViewCompat.setElevation(mAddScheduleButton, gapFillProgress * mMaxHeaderElevation
            + mFABElevation);

    // Move background photo (parallax effect)
    mPhotoViewContainer.setTranslationY(scrollY * 0.5f);
}
 

import com.google.samples.apps.iosched.util.UIUtils; //导入依赖的package包/类
private void updateHeaderColor() {
    mHeaderColor = 0;
    for (String tag : mFilterTags) {
        if (tag != null) {
            TagMetadata.Tag tagObj = mTagMetadata.getTag(tag);
            if (tagObj != null && Config.Tags.CATEGORY_TOPIC.equals(tagObj.getCategory())) {
                mHeaderColor = tagObj.getColor();
            }
        }
    }
    findViewById(R.id.headerbar).setBackgroundColor(
            mHeaderColor == 0
                    ? getResources().getColor(R.color.theme_primary)
                    : mHeaderColor);
    setNormalStatusBarColor(
            mHeaderColor == 0
                    ? getThemedStatusBarColor()
                    : UIUtils.scaleColor(mHeaderColor, 0.8f, false));
}
 

import com.google.samples.apps.iosched.util.UIUtils; //导入依赖的package包/类
@Override
public void onConfigurationChanged(Configuration newConfig) {
    super.onConfigurationChanged(newConfig);
    boolean landscape = (newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE);

    LinearLayout spacerView = (LinearLayout) findViewById(R.id.map_detail_spacer);
    spacerView.setOrientation(landscape ? LinearLayout.HORIZONTAL : LinearLayout.VERTICAL);
    spacerView.setGravity(landscape ? Gravity.END : Gravity.BOTTOM);

    View popupView = findViewById(R.id.map_detail_popup);
    LinearLayout.LayoutParams popupLayoutParams = (LinearLayout.LayoutParams)
            popupView.getLayoutParams();

    popupLayoutParams.width = landscape ? 0 : ViewGroup.LayoutParams.MATCH_PARENT;
    popupLayoutParams.height = landscape ? ViewGroup.LayoutParams.MATCH_PARENT : 0;
    popupLayoutParams.topMargin =
            getResources().getDimensionPixelSize(R.dimen.multipane_half_padding) +
                    (landscape ? UIUtils.calculateActionBarSize(this) : 0);
    popupView.setLayoutParams(popupLayoutParams);

    popupView.requestLayout();

    updateMapPadding();
}
 

import com.google.samples.apps.iosched.util.UIUtils; //导入依赖的package包/类
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
    switch (id) {
        case SessionSummaryQuery._TOKEN:
            return new CursorLoader(this, Sessions.buildSessionUri(mSessionId),
                    SessionSummaryQuery.PROJECTION, null, null, null);
        case SessionsQuery._TOKEN:
            boolean futureSessions = false;
            if (args != null) {
                futureSessions = args.getBoolean(LOADER_SESSIONS_ARG, false);
            }
            final long currentTime = UIUtils.getCurrentTime(this);
            String selection = Sessions.LIVESTREAM_SELECTION + " and ";
            String[] selectionArgs;
            if (!futureSessions) {
                selection += Sessions.AT_TIME_SELECTION;
                selectionArgs = Sessions.buildAtTimeSelectionArgs(currentTime);
            } else {
                selection += Sessions.UPCOMING_LIVE_SELECTION;
                selectionArgs = Sessions.buildUpcomingSelectionArgs(currentTime);
            }
            return new CursorLoader(this, Sessions.CONTENT_URI, SessionsQuery.PROJECTION,
                    selection, selectionArgs, SessionsQuery.SORT_ORDER);
    }
    return null;
}