Java tutorial
/* * Copyright 2014 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.google.samples.apps.iosched.ui; import android.app.LoaderManager; import android.content.ActivityNotFoundException; import android.content.Context; import android.content.CursorLoader; import android.content.Intent; import android.content.Loader; import android.content.res.Resources; import android.database.Cursor; import android.graphics.Paint; import android.graphics.drawable.ShapeDrawable; import android.graphics.drawable.shapes.OvalShape; 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.widget.Toolbar; import android.text.TextUtils; import android.util.Pair; import android.util.TypedValue; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.view.ViewTreeObserver; import android.view.WindowManager; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TextView; import com.bumptech.glide.request.bitmap.RequestListener; import com.bumptech.glide.request.target.Target; import com.google.android.gms.plus.PlusOneButton; import com.google.android.youtube.player.YouTubeIntents; import com.google.samples.apps.iosched.Config; import com.google.samples.apps.iosched.R; import com.google.samples.apps.iosched.model.TagMetadata; import com.google.samples.apps.iosched.provider.ScheduleContract; import com.google.samples.apps.iosched.service.SessionAlarmService; import com.google.samples.apps.iosched.service.SessionCalendarService; import com.google.samples.apps.iosched.ui.widget.CheckableFrameLayout; import com.google.samples.apps.iosched.ui.widget.MessageCardView; import com.google.samples.apps.iosched.ui.widget.ObservableScrollView; import com.google.samples.apps.iosched.util.AccountUtils; import com.google.samples.apps.iosched.util.AnalyticsManager; import com.google.samples.apps.iosched.util.BeamUtils; import com.google.samples.apps.iosched.util.ImageLoader; import com.google.samples.apps.iosched.util.LogUtils; import com.google.samples.apps.iosched.util.SessionsHelper; import com.google.samples.apps.iosched.util.TimeUtils; import com.google.samples.apps.iosched.util.UIUtils; import java.util.ArrayList; import java.util.Collections; import java.util.HashSet; import java.util.List; import static com.google.samples.apps.iosched.util.LogUtils.LOGD; /** * An activity that shows detail information for a session, including session title, abstract, * time information, speaker photos and bios, etc. */ public class SessionDetailActivity extends BaseActivity implements LoaderManager.LoaderCallbacks<Cursor>, ObservableScrollView.Callbacks { private static final String TAG = LogUtils.makeLogTag(SessionDetailActivity.class); private static final int[] SECTION_HEADER_RES_IDS = { R.id.session_links_header, R.id.session_speakers_header, R.id.session_requirements_header, R.id.related_videos_header, }; private static final float PHOTO_ASPECT_RATIO = 1.7777777f; public static final String TRANSITION_NAME_PHOTO = "photo"; private Handler mHandler = new Handler(); private static final int TIME_HINT_UPDATE_INTERVAL = 10000; // 10 sec private TagMetadata mTagMetadata; private String mSessionId; private Uri mSessionUri; private long mSessionStart; private long mSessionEnd; private String mTitleString; private String mHashTag; private String mUrl; private String mRoomId; private String mRoomName; private String mTagsString; // A comma-separated list of speakers to be passed to Android Wear private String mSpeakers; private boolean mStarred; private boolean mInitStarred; private boolean mDismissedWatchLivestreamCard = false; private boolean mHasLivestream = false; private MenuItem mSocialStreamMenuItem; private MenuItem mShareMenuItem; private View mScrollViewChild; private TextView mTitle; private TextView mSubtitle; private PlusOneButton mPlusOneButton; private ObservableScrollView mScrollView; private CheckableFrameLayout mAddScheduleButton; private TextView mAbstract; private LinearLayout mTags; private ViewGroup mTagsContainer; private TextView mRequirements; private View mHeaderBox; private View mDetailsContainer; private boolean mSessionCursor = false; private boolean mSpeakersCursor = false; private boolean mHasSummaryContent = false; private ImageLoader mSpeakersImageLoader, mNoPlaceholderImageLoader; private List<Runnable> mDeferredUiOperations = new ArrayList<Runnable>(); private StringBuilder mBuffer = new StringBuilder(); private int mPhotoHeightPixels; private int mHeaderHeightPixels; private int mAddScheduleButtonHeightPixels; private boolean mHasPhoto; private View mPhotoViewContainer; private ImageView mPhotoView; private int mSessionColor; private String mLivestreamUrl; private Runnable mTimeHintUpdaterRunnable = null; private boolean mAlreadyGaveFeedback = false; private boolean mIsKeynote = false; // this set 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<String>(); private TextView mSubmitFeedbackView; private float mMaxHeaderElevation; private float mFABElevation; private int mTagColorDotSize; @Override protected void onCreate(Bundle savedInstanceState) { UIUtils.tryTranslateHttpIntent(this); BeamUtils.tryUpdateIntentFromBeam(this); boolean shouldBeFloatingWindow = shouldBeFloatingWindow(); if (shouldBeFloatingWindow) { setupFloatingWindow(); } super.onCreate(savedInstanceState); setContentView(R.layout.activity_session_detail); final Toolbar toolbar = getActionBarToolbar(); toolbar.setNavigationIcon(shouldBeFloatingWindow ? R.drawable.ic_ab_close : R.drawable.ic_up); toolbar.setNavigationOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { finish(); } }); mHandler.post(new Runnable() { @Override public void run() { toolbar.setTitle(""); } }); if (savedInstanceState == null) { Uri sessionUri = getIntent().getData(); BeamUtils.setBeamSessionUri(this, sessionUri); } mSessionUri = getIntent().getData(); if (mSessionUri == null) { return; } mSessionId = ScheduleContract.Sessions.getSessionId(mSessionUri); mFABElevation = getResources().getDimensionPixelSize(R.dimen.fab_elevation); mMaxHeaderElevation = getResources().getDimensionPixelSize(R.dimen.session_detail_max_header_elevation); mTagColorDotSize = getResources().getDimensionPixelSize(R.dimen.tag_color_dot_size); mHandler = new Handler(); if (mSpeakersImageLoader == null) { mSpeakersImageLoader = new ImageLoader(this, R.drawable.person_image_empty); } if (mNoPlaceholderImageLoader == null) { mNoPlaceholderImageLoader = new ImageLoader(this); } mScrollView = (ObservableScrollView) findViewById(R.id.scroll_view); mScrollView.addCallbacks(this); ViewTreeObserver vto = mScrollView.getViewTreeObserver(); if (vto.isAlive()) { vto.addOnGlobalLayoutListener(mGlobalLayoutListener); } mScrollViewChild = findViewById(R.id.scroll_view_child); mScrollViewChild.setVisibility(View.INVISIBLE); mDetailsContainer = findViewById(R.id.details_container); mHeaderBox = findViewById(R.id.header_session); mTitle = (TextView) findViewById(R.id.session_title); mSubtitle = (TextView) findViewById(R.id.session_subtitle); mPhotoViewContainer = findViewById(R.id.session_photo_container); mPhotoView = (ImageView) findViewById(R.id.session_photo); mPlusOneButton = (PlusOneButton) findViewById(R.id.plus_one_button); mAbstract = (TextView) findViewById(R.id.session_abstract); mRequirements = (TextView) findViewById(R.id.session_requirements); mTags = (LinearLayout) findViewById(R.id.session_tags); mTagsContainer = (ViewGroup) findViewById(R.id.session_tags_container); mAddScheduleButton = (CheckableFrameLayout) findViewById(R.id.add_schedule_button); mAddScheduleButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { boolean starred = !mStarred; SessionsHelper helper = new SessionsHelper(SessionDetailActivity.this); showStarred(starred, true); helper.setSessionStarred(mSessionUri, starred, mTitleString); 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)); } /* [ANALYTICS:EVENT] * TRIGGER: Add or remove a session from My Schedule. * CATEGORY: 'Session' * ACTION: 'Starred' or 'Unstarred' * LABEL: Session title/subtitle. * [/ANALYTICS] */ AnalyticsManager.sendEvent("Session", starred ? "Starred" : "Unstarred", mTitleString, 0L); } }); ViewCompat.setTransitionName(mPhotoView, TRANSITION_NAME_PHOTO); LoaderManager manager = getLoaderManager(); manager.initLoader(SessionsQuery._TOKEN, null, this); manager.initLoader(SpeakersQuery._TOKEN, null, this); manager.initLoader(TAG_METADATA_TOKEN, null, this); } @Override public Intent getParentActivityIntent() { // TODO(mangini): make this Activity navigate up to the right screen depending on how it was launched return new Intent(this, MyScheduleActivity.class); } private void setupFloatingWindow() { // configure this Activity as a floating window, dimming the background WindowManager.LayoutParams params = getWindow().getAttributes(); params.width = getResources().getDimensionPixelSize(R.dimen.session_details_floating_width); params.height = getResources().getDimensionPixelSize(R.dimen.session_details_floating_height); params.alpha = 1; params.dimAmount = 0.4f; params.flags |= WindowManager.LayoutParams.FLAG_DIM_BEHIND; getWindow().setAttributes(params); } private boolean shouldBeFloatingWindow() { Resources.Theme theme = getTheme(); TypedValue floatingWindowFlag = new TypedValue(); if (theme == null || !theme.resolveAttribute(R.attr.isFloatingWindow, floatingWindowFlag, true)) { // isFloatingWindow flag is not defined in theme return false; } return (floatingWindowFlag.data != 0); } 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 protected void onDestroy() { super.onDestroy(); if (mScrollView == null) { return; } ViewTreeObserver vto = mScrollView.getViewTreeObserver(); if (vto.isAlive()) { vto.removeGlobalOnLayoutListener(mGlobalLayoutListener); } } private ViewTreeObserver.OnGlobalLayoutListener mGlobalLayoutListener = new ViewTreeObserver.OnGlobalLayoutListener() { @Override public void onGlobalLayout() { mAddScheduleButtonHeightPixels = mAddScheduleButton.getHeight(); recomputePhotoAndScrollingMetrics(); } }; @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); } @Override public void onResume() { super.onResume(); updatePlusOneButton(); if (mTimeHintUpdaterRunnable != null) { mHandler.postDelayed(mTimeHintUpdaterRunnable, TIME_HINT_UPDATE_INTERVAL); } // Refresh whether or not feedback has been submitted getLoaderManager().restartLoader(FeedbackQuery._TOKEN, null, this); } @Override public void onStop() { super.onStop(); if (mInitStarred != mStarred) { if (UIUtils.getCurrentTime(this) < mSessionStart) { // Update Calendar event through the Calendar API on Android 4.0 or new versions. Intent intent = null; if (mStarred) { // Set up intent to add session to Calendar, if it doesn't exist already. intent = new Intent(SessionCalendarService.ACTION_ADD_SESSION_CALENDAR, mSessionUri); intent.putExtra(SessionCalendarService.EXTRA_SESSION_START, mSessionStart); intent.putExtra(SessionCalendarService.EXTRA_SESSION_END, mSessionEnd); intent.putExtra(SessionCalendarService.EXTRA_SESSION_ROOM, mRoomName); intent.putExtra(SessionCalendarService.EXTRA_SESSION_TITLE, mTitleString); } else { // Set up intent to remove session from Calendar, if exists. intent = new Intent(SessionCalendarService.ACTION_REMOVE_SESSION_CALENDAR, mSessionUri); intent.putExtra(SessionCalendarService.EXTRA_SESSION_START, mSessionStart); intent.putExtra(SessionCalendarService.EXTRA_SESSION_END, mSessionEnd); intent.putExtra(SessionCalendarService.EXTRA_SESSION_TITLE, mTitleString); } intent.setClass(this, SessionCalendarService.class); startService(intent); if (mStarred) { setupNotification(); } } } } private void setupNotification() { Intent scheduleIntent; // Schedule session notification if (UIUtils.getCurrentTime(this) < mSessionStart) { LOGD(TAG, "Scheduling notification about session start."); scheduleIntent = new Intent(SessionAlarmService.ACTION_SCHEDULE_STARRED_BLOCK, null, this, SessionAlarmService.class); scheduleIntent.putExtra(SessionAlarmService.EXTRA_SESSION_START, mSessionStart); scheduleIntent.putExtra(SessionAlarmService.EXTRA_SESSION_END, mSessionEnd); startService(scheduleIntent); } else { LOGD(TAG, "Not scheduling notification about session start, too late."); } // Schedule feedback notification if (UIUtils.getCurrentTime(this) < mSessionEnd) { LOGD(TAG, "Scheduling notification about session feedback."); scheduleIntent = new Intent(SessionAlarmService.ACTION_SCHEDULE_FEEDBACK_NOTIFICATION, null, this, SessionAlarmService.class); scheduleIntent.putExtra(SessionAlarmService.EXTRA_SESSION_ID, mSessionId); scheduleIntent.putExtra(SessionAlarmService.EXTRA_SESSION_START, mSessionStart); scheduleIntent.putExtra(SessionAlarmService.EXTRA_SESSION_END, mSessionEnd); scheduleIntent.putExtra(SessionAlarmService.EXTRA_SESSION_TITLE, mTitleString); scheduleIntent.putExtra(SessionAlarmService.EXTRA_SESSION_ROOM, mRoomName); scheduleIntent.putExtra(SessionAlarmService.EXTRA_SESSION_SPEAKERS, mSpeakers); startService(scheduleIntent); } else { LOGD(TAG, "Not scheduling feedback notification, too late."); } } private void updateTimeBasedUi() { long currentTimeMillis = UIUtils.getCurrentTime(this); boolean canShowLivestream = mHasLivestream; if (canShowLivestream && !mDismissedWatchLivestreamCard && currentTimeMillis > mSessionStart && currentTimeMillis <= mSessionEnd) { // show the "watch now" card showWatchNowCard(); } else if (!mAlreadyGaveFeedback && mInitStarred && currentTimeMillis >= (mSessionEnd - Config.FEEDBACK_MILLIS_BEFORE_SESSION_END) && !sDismissedFeedbackCard.contains(mSessionId)) { // show the "give feedback" card showGiveFeedbackCard(); } String timeHint = ""; long countdownMillis = mSessionStart - currentTimeMillis; if (TimeUtils.hasConferenceEnded(this)) { // no time hint to display timeHint = ""; } else if (currentTimeMillis >= mSessionEnd) { timeHint = getString(R.string.time_hint_session_ended); } else if (currentTimeMillis >= mSessionStart) { long minutesAgo = (currentTimeMillis - mSessionStart) / 60000; if (minutesAgo > 1) { timeHint = getString(R.string.time_hint_started_min, minutesAgo); } else { timeHint = getString(R.string.time_hint_started_just); } } else if (countdownMillis > 0 && countdownMillis < Config.HINT_TIME_BEFORE_SESSION) { long millisUntil = mSessionStart - currentTimeMillis; long minutesUntil = millisUntil / 60000 + (millisUntil % 1000 > 0 ? 1 : 0); if (minutesUntil > 1) { timeHint = getString(R.string.time_hint_about_to_start_min, minutesUntil); } else { timeHint = getString(R.string.time_hint_about_to_start_shortly, minutesUntil); } } final TextView timeHintView = (TextView) findViewById(R.id.time_hint); if (!TextUtils.isEmpty(timeHint)) { timeHintView.setVisibility(View.VISIBLE); timeHintView.setText(timeHint); } else { timeHintView.setVisibility(View.GONE); } } private void setTextSelectable(TextView tv) { if (tv != null && !tv.isTextSelectable()) { tv.setTextIsSelectable(true); } } private void onFeedbackQueryComplete(Cursor cursor) { // Is there existing feedback for this session? mAlreadyGaveFeedback = cursor.getCount() > 0; if (mAlreadyGaveFeedback) { final MessageCardView giveFeedbackCardView = (MessageCardView) findViewById(R.id.give_feedback_card); if (giveFeedbackCardView != null) { giveFeedbackCardView.setVisibility(View.GONE); } if (mSubmitFeedbackView != null) { mSubmitFeedbackView.setVisibility(View.GONE); } } LOGD(TAG, "User " + (mAlreadyGaveFeedback ? "already gave" : "has not given") + " feedback for session."); cursor.close(); } /** * Handle {@link SessionsQuery} {@link Cursor}. */ private void onSessionQueryComplete(Cursor cursor) { mSessionCursor = true; if (!cursor.moveToFirst()) { // TODO: Remove this in favor of a callbacks interface that the activity // can implement. finish(); return; } mTitleString = cursor.getString(SessionsQuery.TITLE); mSessionColor = cursor.getInt(SessionsQuery.COLOR); if (mSessionColor == 0) { // no color -- use default mSessionColor = getResources().getColor(R.color.default_session_color); } else { // make sure it's opaque mSessionColor = UIUtils.setColorAlpha(mSessionColor, 255); } mHeaderBox.setBackgroundColor(mSessionColor); getLUtils().setStatusBarColor(UIUtils.scaleColor(mSessionColor, 0.8f, false)); mLivestreamUrl = cursor.getString(SessionsQuery.LIVESTREAM_URL); mHasLivestream = !TextUtils.isEmpty(mLivestreamUrl); // Format the time this session occupies mSessionStart = cursor.getLong(SessionsQuery.START); mSessionEnd = cursor.getLong(SessionsQuery.END); mRoomName = cursor.getString(SessionsQuery.ROOM_NAME); mSpeakers = cursor.getString(SessionsQuery.SPEAKER_NAMES); String subtitle = UIUtils.formatSessionSubtitle(mSessionStart, mSessionEnd, mRoomName, mBuffer, this); if (mHasLivestream) { subtitle += " " + UIUtils.getLiveBadgeText(this, mSessionStart, mSessionEnd); } mTitle.setText(mTitleString); mSubtitle.setText(subtitle); for (int resId : SECTION_HEADER_RES_IDS) { ((TextView) findViewById(resId)).setTextColor(mSessionColor); } mPhotoViewContainer.setBackgroundColor(UIUtils.scaleSessionColorToDefaultBG(mSessionColor)); String photo = cursor.getString(SessionsQuery.PHOTO_URL); if (!TextUtils.isEmpty(photo)) { mHasPhoto = true; mNoPlaceholderImageLoader.loadImage(photo, mPhotoView, new RequestListener<String>() { @Override public void onException(Exception e, String url, Target target) { mHasPhoto = false; recomputePhotoAndScrollingMetrics(); } @Override public void onImageReady(String url, Target target, boolean b, boolean b2) { // Trigger image transition recomputePhotoAndScrollingMetrics(); } }); recomputePhotoAndScrollingMetrics(); } else { mHasPhoto = false; recomputePhotoAndScrollingMetrics(); } mUrl = cursor.getString(SessionsQuery.URL); if (TextUtils.isEmpty(mUrl)) { mUrl = ""; } mHashTag = cursor.getString(SessionsQuery.HASHTAG); if (!TextUtils.isEmpty(mHashTag)) { enableSocialStreamMenuItemDeferred(); } mRoomId = cursor.getString(SessionsQuery.ROOM_ID); final boolean inMySchedule = cursor.getInt(SessionsQuery.IN_MY_SCHEDULE) != 0; setupShareMenuItemDeferred(); // Handle Keynote as a special case, where the user cannot remove it // from the schedule (it is auto added to schedule on sync) mTagsString = cursor.getString(SessionsQuery.TAGS); mIsKeynote = mTagsString.contains(Config.Tags.SPECIAL_KEYNOTE); mAddScheduleButton.setVisibility( (AccountUtils.hasActiveAccount(this) && !mIsKeynote) ? View.VISIBLE : View.INVISIBLE); tryRenderTags(); if (!mIsKeynote) { showStarredDeferred(mInitStarred = inMySchedule, false); } final String sessionAbstract = cursor.getString(SessionsQuery.ABSTRACT); if (!TextUtils.isEmpty(sessionAbstract)) { UIUtils.setTextMaybeHtml(mAbstract, sessionAbstract); mAbstract.setVisibility(View.VISIBLE); mHasSummaryContent = true; } else { mAbstract.setVisibility(View.GONE); } updatePlusOneButton(); // Build requirements section final View requirementsBlock = findViewById(R.id.session_requirements_block); final String sessionRequirements = cursor.getString(SessionsQuery.REQUIREMENTS); if (!TextUtils.isEmpty(sessionRequirements)) { UIUtils.setTextMaybeHtml(mRequirements, sessionRequirements); requirementsBlock.setVisibility(View.VISIBLE); mHasSummaryContent = true; } else { requirementsBlock.setVisibility(View.GONE); } // Build related videos section final ViewGroup relatedVideosBlock = (ViewGroup) findViewById(R.id.related_videos_block); relatedVideosBlock.setVisibility(View.GONE); // Build links section buildLinksSection(cursor); updateEmptyView(); updateTimeBasedUi(); 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() { updateTimeBasedUi(); mHandler.postDelayed(mTimeHintUpdaterRunnable, TIME_HINT_UPDATE_INTERVAL); } }; mHandler.postDelayed(mTimeHintUpdaterRunnable, TIME_HINT_UPDATE_INTERVAL); } private void tryRenderTags() { if (mTagMetadata == null || mTagsString == null) { return; } if (TextUtils.isEmpty(mTagsString)) { mTagsContainer.setVisibility(View.GONE); } else { mTagsContainer.setVisibility(View.VISIBLE); mTags.removeAllViews(); LayoutInflater inflater = LayoutInflater.from(this); String[] tagIds = mTagsString.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 = mTagMetadata.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()); if (Config.Tags.CATEGORY_TOPIC.equals(tag.getCategory())) { ShapeDrawable colorDrawable = new ShapeDrawable(new OvalShape()); colorDrawable.setIntrinsicWidth(mTagColorDotSize); colorDrawable.setIntrinsicHeight(mTagColorDotSize); colorDrawable.getPaint().setStyle(Paint.Style.FILL); chipView.setCompoundDrawablesWithIntrinsicBounds(colorDrawable, null, null, null); colorDrawable.getPaint().setColor(tag.getColor()); } chipView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { finish(); // TODO: better encapsulation Intent intent = new Intent(SessionDetailActivity.this, BrowseSessionsActivity.class) .putExtra(BrowseSessionsActivity.EXTRA_FILTER_TAG, tag.getId()) .addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK); startActivity(intent); } }); mTags.addView(chipView); } } } private void buildLinksSection(Cursor cursor) { // Compile list of links (I/O live link, submit feedback, and normal links) ViewGroup linkContainer = (ViewGroup) findViewById(R.id.links_container); linkContainer.removeAllViews(); // Build links section // the Object can be either a string URL or an Intent List<Pair<Integer, Object>> links = new ArrayList<Pair<Integer, Object>>(); long currentTimeMillis = UIUtils.getCurrentTime(this); if (mHasLivestream && currentTimeMillis > mSessionStart && currentTimeMillis <= mSessionEnd) { links.add(new Pair<Integer, Object>(R.string.session_link_livestream, getWatchLiveIntent(this))); } // Add session feedback link, if appropriate if (!mAlreadyGaveFeedback && currentTimeMillis > mSessionEnd - Config.FEEDBACK_MILLIS_BEFORE_SESSION_END) { links.add(new Pair<Integer, Object>(R.string.session_feedback_submitlink, getFeedbackIntent())); } for (int i = 0; i < SessionsQuery.LINKS_INDICES.length; i++) { final String linkUrl = cursor.getString(SessionsQuery.LINKS_INDICES[i]); if (TextUtils.isEmpty(linkUrl)) { continue; } links.add(new Pair<Integer, Object>(SessionsQuery.LINKS_TITLES[i], new Intent(Intent.ACTION_VIEW, Uri.parse(linkUrl)) .addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET))); } // Render links if (links.size() > 0) { LayoutInflater inflater = LayoutInflater.from(this); int columns = getResources().getInteger(R.integer.links_columns); LinearLayout currentLinkRowView = null; for (int i = 0; i < links.size(); i++) { final Pair<Integer, Object> link = links.get(i); // Create link view TextView linkView = (TextView) inflater.inflate(R.layout.list_item_session_link, linkContainer, false); if (link.first == R.string.session_feedback_submitlink) { mSubmitFeedbackView = linkView; } linkView.setText(getString(link.first)); linkView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { fireLinkEvent(link.first); Intent intent = null; if (link.second instanceof Intent) { intent = (Intent) link.second; } else if (link.second instanceof String) { intent = new Intent(Intent.ACTION_VIEW, Uri.parse((String) link.second)) .addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET); } try { startActivity(intent); } catch (ActivityNotFoundException ignored) { } } }); // Place it inside a container if (columns == 1) { linkContainer.addView(linkView); } else { // create a new link row if (i % columns == 0) { currentLinkRowView = (LinearLayout) inflater.inflate(R.layout.include_link_row, linkContainer, false); currentLinkRowView.setWeightSum(columns); linkContainer.addView(currentLinkRowView); } ((LinearLayout.LayoutParams) linkView.getLayoutParams()).width = 0; ((LinearLayout.LayoutParams) linkView.getLayoutParams()).weight = 1; currentLinkRowView.addView(linkView); } } findViewById(R.id.session_links_header).setVisibility(View.VISIBLE); findViewById(R.id.links_container).setVisibility(View.VISIBLE); } else { findViewById(R.id.session_links_header).setVisibility(View.GONE); findViewById(R.id.links_container).setVisibility(View.GONE); } } @Override public void onPause() { super.onPause(); if (mTimeHintUpdaterRunnable != null) { mHandler.removeCallbacks(mTimeHintUpdaterRunnable); } } private Intent getWatchLiveIntent(Context context) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && YouTubeIntents.canResolvePlayVideoIntent(context)) { String youtubeVideoId = SessionLivestreamActivity.getVideoIdFromUrl(mLivestreamUrl); return YouTubeIntents.createPlayVideoIntentWithOptions(context, youtubeVideoId, true, false); } return new Intent(Intent.ACTION_VIEW, mSessionUri).setClass(context, SessionLivestreamActivity.class); } private void updatePlusOneButton() { if (mPlusOneButton == null) { return; } if (!TextUtils.isEmpty(mUrl) && !mIsKeynote) { mPlusOneButton.initialize(mUrl, 0); mPlusOneButton.setVisibility(View.VISIBLE); } else { mPlusOneButton.setVisibility(View.GONE); } } private void showWatchNowCard() { final MessageCardView messageCardView = (MessageCardView) findViewById(R.id.live_now_card); messageCardView.show(); messageCardView.setListener(new MessageCardView.OnMessageCardButtonClicked() { @Override public void onMessageCardButtonClicked(String tag) { if ("WATCH_NOW".equals(tag)) { Intent intent = getWatchLiveIntent(SessionDetailActivity.this); startActivity(intent); } else { mDismissedWatchLivestreamCard = true; messageCardView.dismiss(); } } }); } private void showGiveFeedbackCard() { final MessageCardView messageCardView = (MessageCardView) 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] * TRIGGER: Click on the Send Feedback action on the Session Details page. * CATEGORY: 'Session' * ACTION: 'Feedback' * LABEL: session title/subtitle * [/ANALYTICS] */ AnalyticsManager.sendEvent("Session", "Feedback", mTitleString, 0L); Intent intent = getFeedbackIntent(); startActivity(intent); } else { sDismissedFeedbackCard.add(mSessionId); messageCardView.dismiss(); } } }); } private Intent getFeedbackIntent() { return new Intent(Intent.ACTION_VIEW, mSessionUri, this, SessionFeedbackActivity.class); } private void enableSocialStreamMenuItemDeferred() { mDeferredUiOperations.add(new Runnable() { @Override public void run() { mSocialStreamMenuItem.setVisible(true); } }); tryExecuteDeferredUiOperations(); } private void showStarredDeferred(final boolean starred, final boolean allowAnimate) { mDeferredUiOperations.add(new Runnable() { @Override public void run() { showStarred(starred, allowAnimate); } }); tryExecuteDeferredUiOperations(); } private void showStarred(boolean starred, boolean allowAnimate) { mStarred = starred; mAddScheduleButton.setChecked(mStarred, allowAnimate); ImageView iconView = (ImageView) mAddScheduleButton.findViewById(R.id.add_schedule_icon); getLUtils().setOrAnimatePlusCheckIcon(iconView, starred, allowAnimate); mAddScheduleButton.setContentDescription( getString(starred ? R.string.remove_from_schedule_desc : R.string.add_to_schedule_desc)); } private void setupShareMenuItemDeferred() { mDeferredUiOperations.add(new Runnable() { @Override public void run() { new SessionsHelper(SessionDetailActivity.this).tryConfigureShareMenuItem(mShareMenuItem, R.string.share_template, mTitleString, mHashTag, mUrl); } }); tryExecuteDeferredUiOperations(); } private void tryExecuteDeferredUiOperations() { if (mSocialStreamMenuItem != null) { for (Runnable r : mDeferredUiOperations) { r.run(); } mDeferredUiOperations.clear(); } } private void onSpeakersQueryComplete(Cursor cursor) { mSpeakersCursor = true; final ViewGroup speakersGroup = (ViewGroup) 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 = getLayoutInflater(); boolean hasSpeakers = false; cursor.moveToPosition(-1); // move to just before first record while (cursor.moveToNext()) { final String speakerName = cursor.getString(SpeakersQuery.SPEAKER_NAME); if (TextUtils.isEmpty(speakerName)) { continue; } final String speakerImageUrl = cursor.getString(SpeakersQuery.SPEAKER_IMAGE_URL); final String speakerCompany = cursor.getString(SpeakersQuery.SPEAKER_COMPANY); final String speakerUrl = cursor.getString(SpeakersQuery.SPEAKER_URL); final String speakerAbstract = cursor.getString(SpeakersQuery.SPEAKER_ABSTRACT); String speakerHeader = speakerName; if (!TextUtils.isEmpty(speakerCompany)) { speakerHeader += ", " + speakerCompany; } 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); if (!TextUtils.isEmpty(speakerImageUrl) && mSpeakersImageLoader != null) { mSpeakersImageLoader.loadImage(speakerImageUrl, speakerImageView); } speakerHeaderView.setText(speakerHeader); speakerImageView.setContentDescription(getString(R.string.speaker_googleplus_profile, speakerHeader)); UIUtils.setTextMaybeHtml(speakerAbstractView, speakerAbstract); if (!TextUtils.isEmpty(speakerUrl)) { speakerImageView.setEnabled(true); speakerImageView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Intent speakerProfileIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(speakerUrl)); speakerProfileIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET); UIUtils.preferPackageForIntent(SessionDetailActivity.this, speakerProfileIntent, UIUtils.GOOGLE_PLUS_PACKAGE_NAME); startActivity(speakerProfileIntent); } }); } else { speakerImageView.setEnabled(false); speakerImageView.setOnClickListener(null); } speakersGroup.addView(speakerView); hasSpeakers = true; mHasSummaryContent = true; } speakersGroup.setVisibility(hasSpeakers ? View.VISIBLE : View.GONE); updateEmptyView(); } private void updateEmptyView() { findViewById(android.R.id.empty).setVisibility( (mSpeakersCursor && mSessionCursor && !mHasSummaryContent) ? View.VISIBLE : View.GONE); } @Override public boolean onCreateOptionsMenu(Menu menu) { super.onCreateOptionsMenu(menu); getMenuInflater().inflate(R.menu.session_detail, menu); mSocialStreamMenuItem = menu.findItem(R.id.menu_social_stream); mShareMenuItem = menu.findItem(R.id.menu_share); tryExecuteDeferredUiOperations(); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { SessionsHelper helper = new SessionsHelper(this); switch (item.getItemId()) { case R.id.menu_map_room: /* [ANALYTICS:EVENT] * TRIGGER: Click on the Map action on the Session Details page. * CATEGORY: 'Session' * ACTION: 'Map' * LABEL: session title/subtitle * [/ANALYTICS] */ AnalyticsManager.sendEvent("Session", "Map", mTitleString, 0L); helper.startMapActivity(mRoomId); return true; case R.id.menu_share: // On ICS+ devices, we normally won't reach this as ShareActionProvider will handle // sharing. helper.shareSession(this, R.string.share_template, mTitleString, mHashTag, mUrl); return true; case R.id.menu_social_stream: if (!TextUtils.isEmpty(mHashTag)) { /* [ANALYTICS:EVENT] * TRIGGER: Click on the Social Stream action on the Session Details page. * CATEGORY: 'Session' * ACTION: 'Stream' * LABEL: session title/subtitle * [/ANALYTICS] */ AnalyticsManager.sendEvent("Session", "Stream", mTitleString, 0L); UIUtils.showHashtagStream(this, mHashTag); } return true; } return false; } /* * Event structure: * Category -> "Session Details" * Action -> Link Text * Label -> Session's Title * Value -> 0. */ void fireLinkEvent(int actionId) { /* [ANALYTICS:EVENT] * TRIGGER: Click on a link on the Session Details page. * CATEGORY: 'Session' * ACTION: The link's name ("Watch Live", "Follow us on Google+", etc) * LABEL: The session's title/subtitle. * [/ANALYTICS] */ AnalyticsManager.sendEvent("Session", getString(actionId), mTitleString, 0L); } /** * {@link com.google.samples.apps.iosched.provider.ScheduleContract.Sessions} query parameters. */ private interface SessionsQuery { int _TOKEN = 0x1; String[] PROJECTION = { ScheduleContract.Sessions.SESSION_START, ScheduleContract.Sessions.SESSION_END, ScheduleContract.Sessions.SESSION_LEVEL, ScheduleContract.Sessions.SESSION_TITLE, ScheduleContract.Sessions.SESSION_ABSTRACT, ScheduleContract.Sessions.SESSION_REQUIREMENTS, ScheduleContract.Sessions.SESSION_IN_MY_SCHEDULE, ScheduleContract.Sessions.SESSION_HASHTAG, ScheduleContract.Sessions.SESSION_URL, ScheduleContract.Sessions.SESSION_YOUTUBE_URL, ScheduleContract.Sessions.SESSION_PDF_URL, ScheduleContract.Sessions.SESSION_NOTES_URL, ScheduleContract.Sessions.SESSION_LIVESTREAM_URL, ScheduleContract.Sessions.SESSION_MODERATOR_URL, ScheduleContract.Sessions.ROOM_ID, ScheduleContract.Rooms.ROOM_NAME, ScheduleContract.Sessions.SESSION_COLOR, ScheduleContract.Sessions.SESSION_PHOTO_URL, ScheduleContract.Sessions.SESSION_RELATED_CONTENT, ScheduleContract.Sessions.SESSION_TAGS, ScheduleContract.Sessions.SESSION_SPEAKER_NAMES }; int START = 0; int END = 1; int LEVEL = 2; int TITLE = 3; int ABSTRACT = 4; int REQUIREMENTS = 5; int IN_MY_SCHEDULE = 6; int HASHTAG = 7; int URL = 8; int YOUTUBE_URL = 9; int PDF_URL = 10; int NOTES_URL = 11; int LIVESTREAM_URL = 12; int MODERATOR_URL = 13; int ROOM_ID = 14; int ROOM_NAME = 15; int COLOR = 16; int PHOTO_URL = 17; int RELATED_CONTENT = 18; int TAGS = 19; int SPEAKER_NAMES = 20; int[] LINKS_INDICES = { YOUTUBE_URL, MODERATOR_URL, PDF_URL, NOTES_URL, }; int[] LINKS_TITLES = { R.string.session_link_youtube, R.string.session_link_moderator, R.string.session_link_pdf, R.string.session_link_notes, }; } private interface SpeakersQuery { int _TOKEN = 0x3; String[] PROJECTION = { ScheduleContract.Speakers.SPEAKER_NAME, ScheduleContract.Speakers.SPEAKER_IMAGE_URL, ScheduleContract.Speakers.SPEAKER_COMPANY, ScheduleContract.Speakers.SPEAKER_ABSTRACT, ScheduleContract.Speakers.SPEAKER_URL, }; int SPEAKER_NAME = 0; int SPEAKER_IMAGE_URL = 1; int SPEAKER_COMPANY = 2; int SPEAKER_ABSTRACT = 3; int SPEAKER_URL = 4; } private interface FeedbackQuery { int _TOKEN = 0x4; String[] PROJECTION = { ScheduleContract.Feedback.SESSION_ID }; } private static final int TAG_METADATA_TOKEN = 0x5; @Override public Loader<Cursor> onCreateLoader(int id, Bundle data) { CursorLoader loader = null; if (id == SessionsQuery._TOKEN) { loader = new CursorLoader(this, mSessionUri, SessionsQuery.PROJECTION, null, null, null); } else if (id == SpeakersQuery._TOKEN && mSessionUri != null) { Uri speakersUri = ScheduleContract.Sessions.buildSpeakersDirUri(mSessionId); loader = new CursorLoader(this, speakersUri, SpeakersQuery.PROJECTION, null, null, ScheduleContract.Speakers.DEFAULT_SORT); } else if (id == FeedbackQuery._TOKEN) { Uri feedbackUri = ScheduleContract.Feedback.buildFeedbackUri(mSessionId); loader = new CursorLoader(this, feedbackUri, FeedbackQuery.PROJECTION, null, null, null); } else if (id == TAG_METADATA_TOKEN) { loader = TagMetadata.createCursorLoader(this); } return loader; } @Override public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) { if (loader.getId() == SessionsQuery._TOKEN) { onSessionQueryComplete(cursor); } else if (loader.getId() == SpeakersQuery._TOKEN) { onSpeakersQueryComplete(cursor); } else if (loader.getId() == FeedbackQuery._TOKEN) { onFeedbackQueryComplete(cursor); } else if (loader.getId() == TAG_METADATA_TOKEN) { mTagMetadata = new TagMetadata(cursor); cursor.close(); tryRenderTags(); } else { cursor.close(); } } @Override public void onLoaderReset(Loader<Cursor> loader) { } }