Java tutorial
/* * Copyright 2015 Google Inc. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.razza.apps.iosched.session; import com.razza.apps.iosched.Config; import com.razza.apps.iosched.R; import com.razza.apps.iosched.explore.ExploreSessionsActivity; import com.razza.apps.iosched.framework.QueryEnum; import com.razza.apps.iosched.framework.UpdatableView; import com.razza.apps.iosched.framework.UserActionEnum; import com.razza.apps.iosched.model.TagMetadata; import com.razza.apps.iosched.ui.widget.CheckableFloatingActionButton; import com.razza.apps.iosched.ui.widget.MessageCardView; import com.razza.apps.iosched.ui.widget.ObservableScrollView; import com.razza.apps.iosched.util.AccountUtils; import com.razza.apps.iosched.util.AnalyticsHelper; import com.razza.apps.iosched.util.ImageLoader; import com.razza.apps.iosched.util.LUtils; import com.razza.apps.iosched.util.LogUtils; import com.razza.apps.iosched.util.TimeUtils; import com.razza.apps.iosched.util.UIUtils; import com.bumptech.glide.request.RequestListener; import com.bumptech.glide.request.target.Target; import com.razza.apps.iosched.util.YouTubeUtils; import android.app.Fragment; import android.content.Context; import android.content.Intent; import android.graphics.Bitmap; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.os.Handler; import android.support.v4.view.ViewCompat; import android.support.v7.app.AppCompatActivity; import android.text.TextUtils; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.view.ViewTreeObserver; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.RelativeLayout; import android.widget.TextView; import java.util.ArrayList; import java.util.Collections; import java.util.HashSet; import java.util.List; import static com.razza.apps.iosched.util.LogUtils.LOGD; /** * Displays the details about a session. The user can add/remove a session from the schedule, watch * a live stream if available, watch the session on YouTube, view the map, share the session, and * submit feedback. */ public class SessionDetailFragment extends Fragment implements ObservableScrollView.Callbacks, UpdatableView<SessionDetailModel> { private static final String TAG = LogUtils.makeLogTag(SessionDetailFragment.class); /** * Stores the session IDs for which the user has dismissed the "give feedback" card. This * information is kept for the duration of the app's execution so that if they say "No, * thanks", we don't show the card again for that session while the app is still executing. */ private static HashSet<String> sDismissedFeedbackCard = new HashSet<>(); private static final float PHOTO_ASPECT_RATIO = 1.7777777f; private View mAddScheduleButtonContainer; private CheckableFloatingActionButton mAddScheduleButton; private int mAddScheduleButtonContainerHeightPixels; private View mScrollViewChild; private TextView mTitle; private TextView mSubtitle; private ObservableScrollView mScrollView; private TextView mAbstract; private ImageView mPlusOneIcon; private ImageView mTwitterIcon; private TextView mLiveStreamVideocamIconAndText; private TextView mLiveStreamPlayIconAndText; private LinearLayout mTags; private ViewGroup mTagsContainer; private TextView mRequirements; private View mHeaderBox; private View mDetailsContainer; private int mPhotoHeightPixels; private int mHeaderHeightPixels; private boolean mHasPhoto; private View mPhotoViewContainer; private ImageView mPhotoView; private float mMaxHeaderElevation; private float mFABElevation; private ImageLoader mSpeakersImageLoader, mNoPlaceholderImageLoader; private Runnable mTimeHintUpdaterRunnable = null; private List<Runnable> mDeferredUiOperations = new ArrayList<>(); private LUtils mLUtils; private Handler mHandler; private boolean mAnalyticsScreenViewHasFired; List<UserActionListener> mListeners = new ArrayList<>(); @Override public void addListener(UserActionListener toAdd) { mListeners.add(toAdd); } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setHasOptionsMenu(true); mAnalyticsScreenViewHasFired = false; } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.session_detail_frag, container, false); } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); mLUtils = LUtils.getInstance((AppCompatActivity) getActivity()); mHandler = new Handler(); initViews(); initViewListeners(); } @Override public void onResume() { super.onResume(); if (mTimeHintUpdaterRunnable != null) { mHandler.postDelayed(mTimeHintUpdaterRunnable, SessionDetailConstants.TIME_HINT_UPDATE_INTERVAL); } } @Override public void onPause() { super.onPause(); mHandler.removeCallbacksAndMessages(null); } @Override public void onDestroy() { super.onDestroy(); if (mScrollView == null) { return; } ViewTreeObserver vto = mScrollView.getViewTreeObserver(); if (vto.isAlive()) { vto.removeGlobalOnLayoutListener(mGlobalLayoutListener); } } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { super.onCreateOptionsMenu(menu, inflater); inflater.inflate(R.menu.session_detail, menu); tryExecuteDeferredUiOperations(); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.menu_map_room: sendUserAction(SessionDetailModel.SessionDetailUserActionEnum.SHOW_MAP, null); return true; case R.id.menu_share: sendUserAction(SessionDetailModel.SessionDetailUserActionEnum.SHOW_SHARE, null); return true; } return false; } private void sendUserAction(UserActionEnum action, Bundle args) { for (UserActionListener l : mListeners) { l.onUserAction(action, args); } } private void initViews() { mFABElevation = getResources().getDimensionPixelSize(R.dimen.fab_elevation); mMaxHeaderElevation = getResources().getDimensionPixelSize(R.dimen.session_detail_max_header_elevation); mScrollView = (ObservableScrollView) getActivity().findViewById(R.id.scroll_view); mScrollView.addCallbacks(this); ViewTreeObserver vto = mScrollView.getViewTreeObserver(); if (vto.isAlive()) { vto.addOnGlobalLayoutListener(mGlobalLayoutListener); } mScrollViewChild = getActivity().findViewById(R.id.scroll_view_child); mScrollViewChild.setVisibility(View.INVISIBLE); mDetailsContainer = getActivity().findViewById(R.id.details_container); mHeaderBox = getActivity().findViewById(R.id.header_session); mTitle = (TextView) getActivity().findViewById(R.id.session_title); mSubtitle = (TextView) getActivity().findViewById(R.id.session_subtitle); mPhotoViewContainer = getActivity().findViewById(R.id.session_photo_container); mPhotoView = (ImageView) getActivity().findViewById(R.id.session_photo); mAbstract = (TextView) getActivity().findViewById(R.id.session_abstract); mPlusOneIcon = (ImageView) getActivity().findViewById(R.id.gplus_icon_box); mTwitterIcon = (ImageView) getActivity().findViewById(R.id.twitter_icon_box); //Find view that shows a Videocam icon if the session is being live streamed. mLiveStreamVideocamIconAndText = (TextView) getActivity() .findViewById(R.id.live_stream_videocam_icon_and_text); // Find view that shows a play button and some text for the user to watch the session live stream. mLiveStreamPlayIconAndText = (TextView) getActivity().findViewById(R.id.live_stream_play_icon_and_text); mRequirements = (TextView) getActivity().findViewById(R.id.session_requirements); mTags = (LinearLayout) getActivity().findViewById(R.id.session_tags); mTagsContainer = (ViewGroup) getActivity().findViewById(R.id.session_tags_container); ViewCompat.setTransitionName(mPhotoView, SessionDetailConstants.TRANSITION_NAME_PHOTO); mAddScheduleButtonContainer = getActivity().findViewById(R.id.add_schedule_button_container); mAddScheduleButton = (CheckableFloatingActionButton) getActivity().findViewById(R.id.add_schedule_button); mNoPlaceholderImageLoader = new ImageLoader(getContext()); mSpeakersImageLoader = new ImageLoader(getContext(), R.drawable.person_image_empty); } private ViewTreeObserver.OnGlobalLayoutListener mGlobalLayoutListener = new ViewTreeObserver.OnGlobalLayoutListener() { @Override public void onGlobalLayout() { mAddScheduleButtonContainerHeightPixels = mAddScheduleButtonContainer.getHeight(); recomputePhotoAndScrollingMetrics(); } }; private void recomputePhotoAndScrollingMetrics() { mHeaderHeightPixels = mHeaderBox.getHeight(); mPhotoHeightPixels = 0; if (mHasPhoto) { mPhotoHeightPixels = (int) (mPhotoView.getWidth() / PHOTO_ASPECT_RATIO); mPhotoHeightPixels = Math.min(mPhotoHeightPixels, mScrollView.getHeight() * 2 / 3); } ViewGroup.LayoutParams lp; lp = mPhotoViewContainer.getLayoutParams(); if (lp.height != mPhotoHeightPixels) { lp.height = mPhotoHeightPixels; mPhotoViewContainer.setLayoutParams(lp); } ViewGroup.MarginLayoutParams mlp = (ViewGroup.MarginLayoutParams) mDetailsContainer.getLayoutParams(); if (mlp.topMargin != mHeaderHeightPixels + mPhotoHeightPixels) { mlp.topMargin = mHeaderHeightPixels + mPhotoHeightPixels; mDetailsContainer.setLayoutParams(mlp); } onScrollChanged(0, 0); // trigger scroll handling } @Override public void displayData(SessionDetailModel data, QueryEnum query) { if (SessionDetailModel.SessionDetailQueryEnum.SESSIONS == query) { displaySessionData(data); } else if (SessionDetailModel.SessionDetailQueryEnum.FEEDBACK == query) { displayFeedbackData(data); } else if (SessionDetailModel.SessionDetailQueryEnum.SPEAKERS == query) { displaySpeakersData(data); } else if (SessionDetailModel.SessionDetailQueryEnum.TAG_METADATA == query) { displayTags(data); } } private void initViewListeners() { mAddScheduleButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { boolean starred = !((CheckableFloatingActionButton) view).isChecked(); showStarred(starred, true); if (starred) { sendUserAction(SessionDetailModel.SessionDetailUserActionEnum.STAR, null); } else { sendUserAction(SessionDetailModel.SessionDetailUserActionEnum.UNSTAR, null); } if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { mAddScheduleButton.announceForAccessibility( starred ? getString(R.string.session_details_a11y_session_added) : getString(R.string.session_details_a11y_session_removed)); } } }); } private void showStarred(boolean starred, boolean allowAnimate) { mAddScheduleButton.setChecked(starred, allowAnimate); mLUtils.setOrAnimatePlusCheckIcon(mAddScheduleButton, starred, allowAnimate); mAddScheduleButton.setContentDescription( getString(starred ? R.string.remove_from_schedule_desc : R.string.add_to_schedule_desc)); } @Override public void displayErrorMessage(QueryEnum query) { } @Override public Uri getDataUri(QueryEnum query) { if (SessionDetailModel.SessionDetailQueryEnum.SESSIONS == query) { return ((SessionDetailActivity) getActivity()).getSessionUri(); } else { return null; } } @Override public Context getContext() { return getActivity(); } @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); mAddScheduleButtonContainer .setTranslationY(newTop + mHeaderHeightPixels - mAddScheduleButtonContainerHeightPixels / 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(mAddScheduleButtonContainer, gapFillProgress * mMaxHeaderElevation + mFABElevation); ViewCompat.setElevation(mAddScheduleButton, gapFillProgress * mMaxHeaderElevation + mFABElevation); // Move background photo (parallax effect) mPhotoViewContainer.setTranslationY(scrollY * 0.5f); } private void displaySessionData(final SessionDetailModel data) { mTitle.setText(data.getSessionTitle()); mSubtitle.setText(data.getSessionSubtitle()); mPhotoViewContainer.setBackgroundColor(UIUtils.scaleSessionColorToDefaultBG(data.getSessionColor())); if (data.hasPhotoUrl()) { mHasPhoto = true; mNoPlaceholderImageLoader.loadImage(data.getPhotoUrl(), mPhotoView, new RequestListener<String, Bitmap>() { @Override public boolean onException(Exception e, String model, Target<Bitmap> target, boolean isFirstResource) { mHasPhoto = false; recomputePhotoAndScrollingMetrics(); return false; } @Override public boolean onResourceReady(Bitmap resource, String model, Target<Bitmap> target, boolean isFromMemoryCache, boolean isFirstResource) { // Trigger image transition recomputePhotoAndScrollingMetrics(); return false; } }); recomputePhotoAndScrollingMetrics(); } else { mHasPhoto = false; recomputePhotoAndScrollingMetrics(); } tryExecuteDeferredUiOperations(); // Handle Keynote as a special case, where the user cannot remove it // from the schedule (it is auto added to schedule on sync) mAddScheduleButton.setVisibility( (AccountUtils.hasActiveAccount(getContext()) && !data.isKeynote()) ? View.VISIBLE : View.INVISIBLE); displayTags(data); if (!data.isKeynote()) { showStarredDeferred(data.isInSchedule(), false); } if (!TextUtils.isEmpty(data.getSessionAbstract())) { UIUtils.setTextMaybeHtml(mAbstract, data.getSessionAbstract()); mAbstract.setVisibility(View.VISIBLE); } else { mAbstract.setVisibility(View.GONE); } // Build requirements section final View requirementsBlock = getActivity().findViewById(R.id.session_requirements_block); final String sessionRequirements = data.getRequirements(); if (!TextUtils.isEmpty(sessionRequirements)) { UIUtils.setTextMaybeHtml(mRequirements, sessionRequirements); requirementsBlock.setVisibility(View.VISIBLE); } else { requirementsBlock.setVisibility(View.GONE); } final ViewGroup relatedVideosBlock = (ViewGroup) getActivity().findViewById(R.id.related_videos_block); relatedVideosBlock.setVisibility(View.GONE); updateEmptyView(data); updateTimeBasedUi(data); if (data.getLiveStreamVideoWatched()) { mPhotoView.setColorFilter(getContext().getResources().getColor(R.color.video_scrim_watched)); mLiveStreamPlayIconAndText.setText(getString(R.string.session_replay)); } if (data.hasLiveStream()) { mLiveStreamPlayIconAndText.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { String videoId = YouTubeUtils.getVideoIdFromSessionData(data.getYouTubeUrl(), data.getLiveStreamId()); YouTubeUtils.showYouTubeVideo(videoId, getActivity()); } }); } fireAnalyticsScreenView(data.getSessionTitle()); mHandler.post(new Runnable() { @Override public void run() { onScrollChanged(0, 0); // trigger scroll handling mScrollViewChild.setVisibility(View.VISIBLE); //mAbstract.setTextIsSelectable(true); } }); mTimeHintUpdaterRunnable = new Runnable() { @Override public void run() { if (getActivity() == null) { // Do not post a delayed message if the activity is detached. return; } updateTimeBasedUi(data); mHandler.postDelayed(mTimeHintUpdaterRunnable, SessionDetailConstants.TIME_HINT_UPDATE_INTERVAL); } }; mHandler.postDelayed(mTimeHintUpdaterRunnable, SessionDetailConstants.TIME_HINT_UPDATE_INTERVAL); } /** * Sends a screen view to Google Analytics, if a screenview hasn't already been sent * since the fragment was loaded. This prevents background syncs from causing superflous * screen views. * * @param sessionTitle The name of the session being tracked. */ private void fireAnalyticsScreenView(String sessionTitle) { if (!mAnalyticsScreenViewHasFired) { // ANALYTICS SCREEN: View the Session Details page for a specific session. // Contains: The session title. AnalyticsHelper.sendScreenView("Session: " + sessionTitle); mAnalyticsScreenViewHasFired = true; } } private void displayFeedbackData(SessionDetailModel data) { if (data.hasFeedback()) { final MessageCardView giveFeedbackCardView = (MessageCardView) getActivity() .findViewById(R.id.give_feedback_card); if (giveFeedbackCardView != null) { giveFeedbackCardView.setVisibility(View.GONE); } } LogUtils.LOGD(TAG, "User " + (data.hasFeedback() ? "already gave" : "has not given") + " feedback for session."); } private void displaySpeakersData(SessionDetailModel data) { final ViewGroup speakersGroup = (ViewGroup) getActivity().findViewById(R.id.session_speakers_block); // Remove all existing speakers (everything but first child, which is the header) for (int i = speakersGroup.getChildCount() - 1; i >= 1; i--) { speakersGroup.removeViewAt(i); } final LayoutInflater inflater = getActivity().getLayoutInflater(); boolean hasSpeakers = false; List<SessionDetailModel.Speaker> speakers = data.getSpeakers(); for (final SessionDetailModel.Speaker speaker : speakers) { String speakerHeader = speaker.getName(); if (!TextUtils.isEmpty(speaker.getCompany())) { speakerHeader += ", " + speaker.getCompany(); } final View speakerView = inflater.inflate(R.layout.speaker_detail, speakersGroup, false); final TextView speakerHeaderView = (TextView) speakerView.findViewById(R.id.speaker_header); final ImageView speakerImageView = (ImageView) speakerView.findViewById(R.id.speaker_image); final TextView speakerAbstractView = (TextView) speakerView.findViewById(R.id.speaker_abstract); final ImageView plusOneIcon = (ImageView) speakerView.findViewById(R.id.gplus_icon_box); final ImageView twitterIcon = (ImageView) speakerView.findViewById(R.id.twitter_icon_box); setUpSpeakerSocialIcon(speaker, twitterIcon, speaker.getTwitterUrl(), UIUtils.TWITTER_COMMON_NAME, UIUtils.TWITTER_PACKAGE_NAME); setUpSpeakerSocialIcon(speaker, plusOneIcon, speaker.getPlusoneUrl(), UIUtils.GOOGLE_PLUS_COMMON_NAME, UIUtils.GOOGLE_PLUS_PACKAGE_NAME); // A speaker may have both a Twitter and GPlus page, only a Twitter page or only a // GPlus page, or neither. By default, align the Twitter icon to the right and the GPlus // icon to its left. If only a single icon is displayed, align it to the right. determineSocialIconPlacement(plusOneIcon, twitterIcon); if (!TextUtils.isEmpty(speaker.getImageUrl()) && mSpeakersImageLoader != null) { mSpeakersImageLoader.loadImage(speaker.getImageUrl(), speakerImageView); } speakerHeaderView.setText(speakerHeader); speakerImageView.setContentDescription(getString(R.string.speaker_googleplus_profile, speakerHeader)); UIUtils.setTextMaybeHtml(speakerAbstractView, speaker.getAbstract()); if (!TextUtils.isEmpty(speaker.getUrl())) { speakerImageView.setEnabled(true); speakerImageView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Intent speakerProfileIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(speaker.getUrl())); speakerProfileIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET); UIUtils.preferPackageForIntent(getActivity(), speakerProfileIntent, UIUtils.GOOGLE_PLUS_PACKAGE_NAME); startActivity(speakerProfileIntent); } }); } else { speakerImageView.setEnabled(false); speakerImageView.setOnClickListener(null); } speakersGroup.addView(speakerView); hasSpeakers = true; } speakersGroup.setVisibility(hasSpeakers ? View.VISIBLE : View.GONE); updateEmptyView(data); } /** * 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); } }); } } /** * Aligns the Twitter icon the parent bottom right. Aligns the G+ icon to the left of the * Twitter icon if it is present. Otherwise, aligns the G+ icon to the parent bottom right. */ private void determineSocialIconPlacement(ImageView plusOneIcon, ImageView twitterIcon) { if (plusOneIcon.getVisibility() == View.VISIBLE) { // Set the dimensions of the G+ button. int socialIconDimension = getResources().getDimensionPixelSize(R.dimen.social_icon_box_size); RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(socialIconDimension, socialIconDimension); params.addRule(RelativeLayout.BELOW, R.id.speaker_abstract); params.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM); if (twitterIcon.getVisibility() == View.VISIBLE) { params.addRule(RelativeLayout.LEFT_OF, R.id.twitter_icon_box); } else { params.addRule(RelativeLayout.ALIGN_PARENT_RIGHT); } plusOneIcon.setLayoutParams(params); } } private void updateEmptyView(SessionDetailModel data) { getActivity().findViewById(android.R.id.empty).setVisibility( (data.getSessionTitle() != null && data.getSpeakers().size() == 0 && !data.hasSummaryContent()) ? View.VISIBLE : View.GONE); } private void updateTimeBasedUi(SessionDetailModel data) { // Show "Live streamed" for all live-streamed sessions that aren't currently going on. mLiveStreamVideocamIconAndText .setVisibility(data.hasLiveStream() && !data.isSessionOngoing() ? View.VISIBLE : View.GONE); if (data.hasLiveStream() && data.hasSessionStarted()) { // Show the play button and text only once the session starts. mLiveStreamVideocamIconAndText.setVisibility(View.VISIBLE); if (data.isSessionOngoing()) { mLiveStreamPlayIconAndText.setText(getString(R.string.session_watch_live)); } else { mLiveStreamPlayIconAndText.setText(getString(R.string.session_watch)); // TODO: implement Replay. } } else { mLiveStreamPlayIconAndText.setVisibility(View.GONE); } // If the session is done, hide the FAB, and show the "Give feedback" card. if (data.isSessionReadyForFeedback()) { mAddScheduleButton.setVisibility(View.INVISIBLE); if (!data.hasFeedback() && data.isInScheduleWhenSessionFirstLoaded() && !sDismissedFeedbackCard.contains(data.getSessionId())) { showGiveFeedbackCard(data); } } String timeHint = ""; if (TimeUtils.hasConferenceEnded(getContext())) { // No time hint to display. timeHint = ""; } else if (data.hasSessionEnded()) { timeHint = getString(R.string.time_hint_session_ended); } else if (data.isSessionOngoing()) { long minutesAgo = data.minutesSinceSessionStarted(); if (minutesAgo > 1) { timeHint = getString(R.string.time_hint_started_min, minutesAgo); } else { timeHint = getString(R.string.time_hint_started_just); } } else { long minutesUntilStart = data.minutesUntilSessionStarts(); if (minutesUntilStart > 0 && minutesUntilStart <= SessionDetailConstants.HINT_TIME_BEFORE_SESSION_MIN) { if (minutesUntilStart > 1) { timeHint = getString(R.string.time_hint_about_to_start_min, minutesUntilStart); } else { timeHint = getString(R.string.time_hint_about_to_start_shortly, minutesUntilStart); } } } final TextView timeHintView = (TextView) getActivity().findViewById(R.id.time_hint); if (!TextUtils.isEmpty(timeHint)) { timeHintView.setVisibility(View.VISIBLE); timeHintView.setText(timeHint); } else { timeHintView.setVisibility(View.GONE); } } private void displayTags(SessionDetailModel data) { if (data.getTagMetadata() == null || data.getTagsString() == null) { mTagsContainer.setVisibility(View.GONE); return; } if (TextUtils.isEmpty(data.getTagsString())) { mTagsContainer.setVisibility(View.GONE); } else { mTagsContainer.setVisibility(View.VISIBLE); mTags.removeAllViews(); LayoutInflater inflater = LayoutInflater.from(getContext()); String[] tagIds = data.getTagsString().split(","); List<TagMetadata.Tag> tags = new ArrayList<TagMetadata.Tag>(); for (String tagId : tagIds) { if (Config.Tags.SESSIONS.equals(tagId) || Config.Tags.SPECIAL_KEYNOTE.equals(tagId)) { continue; } TagMetadata.Tag tag = data.getTagMetadata().getTag(tagId); if (tag == null) { continue; } tags.add(tag); } if (tags.size() == 0) { mTagsContainer.setVisibility(View.GONE); return; } Collections.sort(tags, TagMetadata.TAG_DISPLAY_ORDER_COMPARATOR); for (final TagMetadata.Tag tag : tags) { TextView chipView = (TextView) inflater.inflate(R.layout.include_session_tag_chip, mTags, false); chipView.setText(tag.getName()); chipView.setContentDescription(getString(R.string.talkback_button, tag.getName())); chipView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Intent intent = new Intent(getContext(), ExploreSessionsActivity.class) .putExtra(ExploreSessionsActivity.EXTRA_FILTER_TAG, tag.getId()) .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK); startActivity(intent); } }); mTags.addView(chipView); } } } private void showGiveFeedbackCard(final SessionDetailModel data) { final MessageCardView messageCardView = (MessageCardView) getActivity() .findViewById(R.id.give_feedback_card); messageCardView.show(); messageCardView.setListener(new MessageCardView.OnMessageCardButtonClicked() { @Override public void onMessageCardButtonClicked(String tag) { if ("GIVE_FEEDBACK".equals(tag)) { // ANALYTICS EVENT: Click on the "send feedback" action in Session Details. // Contains: The session title. AnalyticsHelper.sendEvent("Session", "Feedback", data.getSessionTitle()); Intent intent = data.getFeedbackIntent(); startActivity(intent); } else { sDismissedFeedbackCard.add(data.getSessionId()); messageCardView.dismiss(); } } }); } private void showStarredDeferred(final boolean starred, final boolean allowAnimate) { mDeferredUiOperations.add(new Runnable() { @Override public void run() { showStarred(starred, allowAnimate); } }); tryExecuteDeferredUiOperations(); } private void tryExecuteDeferredUiOperations() { for (Runnable r : mDeferredUiOperations) { r.run(); mDeferredUiOperations.clear(); } } /* * Event structure: * Category -> "Session Details" * Action -> Link Text * Label -> Session's Title * Value -> 0. */ private void fireLinkEvent(int actionId, SessionDetailModel data) { // ANALYTICS EVENT: Click on a link in the Session Details page. // Contains: The link's name and the session title. AnalyticsHelper.sendEvent("Session", getString(actionId), data.getSessionTitle()); } }