Example usage for android.text SpannableString setSpan

List of usage examples for android.text SpannableString setSpan

Introduction

In this page you can find the example usage for android.text SpannableString setSpan.

Prototype

public void setSpan(Object what, int start, int end, int flags) 

Source Link

Usage

From source file:github.daneren2005.dsub.fragments.SelectDirectoryFragment.java

private void setupTextDisplay(final View header) {
    final TextView titleView = (TextView) header.findViewById(R.id.select_album_title);
    if (playlistName != null) {
        titleView.setText(playlistName);
    } else if (podcastName != null) {
        titleView.setText(podcastName);// ww w  .j  a  v a  2s. com
        titleView.setPadding(0, 6, 4, 8);
    } else if (name != null) {
        titleView.setText(name);

        if (artistInfo != null) {
            titleView.setPadding(0, 6, 4, 8);
        }
    } else if (share != null) {
        titleView.setVisibility(View.GONE);
    }

    int songCount = 0;

    Set<String> artists = new HashSet<String>();
    Set<Integer> years = new HashSet<Integer>();
    Integer totalDuration = 0;
    for (Entry entry : entries) {
        if (!entry.isDirectory()) {
            songCount++;
            if (entry.getArtist() != null) {
                artists.add(entry.getArtist());
            }
            if (entry.getYear() != null) {
                years.add(entry.getYear());
            }
            Integer duration = entry.getDuration();
            if (duration != null) {
                totalDuration += duration;
            }
        }
    }

    final TextView artistView = (TextView) header.findViewById(R.id.select_album_artist);
    if (podcastDescription != null || artistInfo != null) {
        artistView.setVisibility(View.VISIBLE);
        String text = podcastDescription != null ? podcastDescription : artistInfo.getBiography();
        Spanned spanned = null;
        if (text != null) {
            spanned = Html.fromHtml(text);
        }
        artistView.setText(spanned);
        artistView.setSingleLine(false);
        final int minLines = context.getResources().getInteger(R.integer.TextDescriptionLength);
        artistView.setLines(minLines);
        artistView.setTextAppearance(context, android.R.style.TextAppearance_Small);

        final Spanned spannedText = spanned;
        artistView.setOnClickListener(new View.OnClickListener() {
            @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
            @Override
            public void onClick(View v) {
                if (artistView.getMaxLines() == minLines) {
                    // Use LeadingMarginSpan2 to try to make text flow around image
                    Display display = context.getWindowManager().getDefaultDisplay();
                    ImageView coverArtView = (ImageView) header.findViewById(R.id.select_album_art);
                    coverArtView.measure(display.getWidth(), display.getHeight());

                    int height, width;
                    ViewGroup.MarginLayoutParams vlp = (ViewGroup.MarginLayoutParams) coverArtView
                            .getLayoutParams();
                    if (coverArtView.getDrawable() != null) {
                        height = coverArtView.getMeasuredHeight() + coverArtView.getPaddingBottom();
                        width = coverArtView.getWidth() + coverArtView.getPaddingRight();
                    } else {
                        height = coverArtView.getHeight();
                        width = coverArtView.getWidth() + coverArtView.getPaddingRight();
                    }
                    float textLineHeight = artistView.getPaint().getTextSize();
                    int lines = (int) Math.ceil(height / textLineHeight);

                    SpannableString ss = new SpannableString(spannedText);
                    ss.setSpan(new MyLeadingMarginSpan2(lines, width), 0, ss.length(),
                            Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

                    View linearLayout = header.findViewById(R.id.select_album_text_layout);
                    RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) linearLayout
                            .getLayoutParams();
                    int[] rules = params.getRules();
                    rules[RelativeLayout.RIGHT_OF] = 0;
                    params.leftMargin = vlp.rightMargin;

                    artistView.setText(ss);
                    artistView.setMaxLines(100);

                    vlp = (ViewGroup.MarginLayoutParams) titleView.getLayoutParams();
                    vlp.leftMargin = width;
                } else {
                    artistView.setMaxLines(minLines);
                }
            }
        });
        artistView.setMovementMethod(LinkMovementMethod.getInstance());
    } else if (topTracks) {
        artistView.setText(R.string.menu_top_tracks);
        artistView.setVisibility(View.VISIBLE);
    } else if (showAll) {
        artistView.setText(R.string.menu_show_all);
        artistView.setVisibility(View.VISIBLE);
    } else if (artists.size() == 1) {
        String artistText = artists.iterator().next();
        if (years.size() == 1) {
            artistText += " - " + years.iterator().next();
        }
        artistView.setText(artistText);
        artistView.setVisibility(View.VISIBLE);
    } else {
        artistView.setVisibility(View.GONE);
    }

    TextView songCountView = (TextView) header.findViewById(R.id.select_album_song_count);
    TextView songLengthView = (TextView) header.findViewById(R.id.select_album_song_length);
    if (podcastDescription != null || artistInfo != null) {
        songCountView.setVisibility(View.GONE);
        songLengthView.setVisibility(View.GONE);
    } else {
        String s = context.getResources().getQuantityString(R.plurals.select_album_n_songs, songCount,
                songCount);
        songCountView.setText(s.toUpperCase());
        songLengthView.setText(Util.formatDuration(totalDuration));
    }
}

From source file:com.marshalchen.common.uimodule.modifysys.PagerTitleStrip.java

SpannableString changeSpanString(String temp, int position, int color) {

    try {/* www .j a  v a  2s.  c  o  m*/
        temp = temp.replaceAll("-", " - ");

        SpannableString ss = new SpannableString(temp);
        Matrix matrix = new Matrix();

        matrix.postRotate(180);

        Bitmap bitmaporg = BitmapFactory.decodeResource(getResources(), R.drawable.ico_arrow2x);
        if (color == 2) {
            bitmaporg = BitmapFactory.decodeResource(getResources(), R.drawable.ico_arrow_grey2x);
        }
        Bitmap resizedBitmap = Bitmap.createBitmap(bitmaporg, 0, 0, bitmaporg.getWidth(), bitmaporg.getHeight(),
                matrix, true);
        BitmapDrawable bmd = new BitmapDrawable(getResources(), resizedBitmap);
        BitmapDrawable bm = new BitmapDrawable(getResources(), bitmaporg);
        Drawable drawable = position == 0 ? bm : bmd;
        drawable.setBounds(0, 0, drawable.getIntrinsicWidth() * 12 / 10,
                drawable.getIntrinsicHeight() * 12 / 10);
        ImageSpan imageSpan = new ImageSpan(drawable, ImageSpan.ALIGN_BASELINE);

        ss.setSpan(imageSpan, temp.indexOf("-"), temp.indexOf("-") + 1, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
        return ss;
    } catch (Exception e) {
        e.printStackTrace();
        Logs.e(e, "");
        return null;
    }
}

From source file:com.android.contacts.common.list.ContactListItemView.java

private void setMarqueeText(TextView textView, CharSequence text) {
    if (getTextEllipsis() == TruncateAt.MARQUEE) {
        // To show MARQUEE correctly (with END effect during non-active state), we need
        // to build Spanned with MARQUEE in addition to TextView's ellipsize setting.
        final SpannableString spannable = new SpannableString(text);
        spannable.setSpan(TruncateAt.MARQUEE, 0, spannable.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
        textView.setText(spannable);/*w w w.  j  ava 2 s  .c  o m*/
    } else {
        textView.setText(text);
    }
}

From source file:github.popeen.dsub.fragments.SelectDirectoryFragment.java

private void setupTextDisplay(final View header) {

    final TextView titleView = (TextView) header.findViewById(R.id.select_album_title);
    if (playlistName != null) {
        titleView.setText(playlistName);
    } else if (podcastName != null) {
        Collections.reverse(entries);
        titleView.setText(podcastName);/*from w ww  .ja  v  a2s .c  om*/
        titleView.setPadding(0, 6, 4, 8);
    } else if (name != null) {
        titleView.setText(name);
        if (artistInfo != null) {
            titleView.setPadding(0, 6, 4, 8);
        }
    } else if (share != null) {
        titleView.setVisibility(View.GONE);
    }

    int songCount = 0;

    Set<String> artists = new HashSet<String>();
    Set<Integer> years = new HashSet<Integer>();
    totalDuration = 0;
    for (Entry entry : entries) {
        if (!entry.isDirectory()) {
            songCount++;
            if (entry.getArtist() != null) {
                artists.add(entry.getArtist());
            }
            if (entry.getYear() != null) {
                years.add(entry.getYear());
            }
            Integer duration = entry.getDuration();
            if (duration != null) {
                totalDuration += duration;
            }
        }
    }
    String artistName = "";
    bookDescription = "Could not collect any info about the book at this time";
    try {

        artistName = artists.iterator().next();
        String endpoint = "getBookDirectory";
        if (Util.isTagBrowsing(context)) {
            endpoint = "getBook";
        }
        SharedPreferences prefs = Util.getPreferences(context);
        String url = Util.getRestUrl(context, endpoint) + "&id=" + directory.getId() + "&f=json";

        Log.w("GetInfo", url);
        String artist, title;
        int year = 0;
        artist = title = "";

        try {
            artist = artists.iterator().next();
        } catch (Exception e) {
            Log.w("GetInfoArtist", e.toString());
        }
        try {
            title = titleView.getText().toString();
        } catch (Exception e) {
            Log.w("GetInfoTitle", e.toString());
        }
        try {
            year = years.iterator().next();
        } catch (Exception e) {
            Log.w("GetInfoYear", e.toString());
        }

        BookInfoAPIParams params = new BookInfoAPIParams(url, artist, title, year);
        bookInfo = new BookInfoAPI(context).execute(params).get();
        bookDescription = bookInfo[0];
        bookReader = bookInfo[1];

    } catch (Exception e) {
        Log.w("GetInfoError", e.toString());
    }
    if (bookDescription.equals("noInfo")) {
        bookDescription = "The server has no description for this book";
    }

    final TextView artistView = (TextView) header.findViewById(R.id.select_album_artist);
    if (podcastDescription != null || artistInfo != null || bookDescription != null) {
        artistView.setVisibility(View.VISIBLE);

        String text = "";
        if (bookDescription != null) {
            text = bookDescription;
        }
        if (podcastDescription != null) {
            text = podcastDescription;
        }
        if (artistInfo != null) {
            text = artistInfo.getBiography();
        }
        Spanned spanned = null;
        if (text != null) {
            String newText = "";
            try {
                if (!artistName.equals("")) {
                    newText += "<b>" + context.getResources().getString(R.string.main_artist) + "</b>: "
                            + artistName + "<br/>";
                }
            } catch (Exception e) {
            }
            try {
                if (totalDuration > 0) {
                    newText += "<b>" + context.getResources().getString(R.string.album_book_reader) + "</b>: "
                            + bookReader + "<br/>";
                }
            } catch (Exception e) {
            }
            try {
                if (totalDuration > 0) {
                    newText += "<b>" + context.getResources().getString(R.string.album_book_length) + "</b>: "
                            + Util.formatDuration(totalDuration) + "<br/>";
                }
            } catch (Exception e) {
            }
            try {
                newText += text + "<br/>";
            } catch (Exception e) {
            }
            spanned = Html.fromHtml(newText);
        }

        artistView.setText(spanned);
        artistView.setSingleLine(false);
        final int minLines = context.getResources().getInteger(R.integer.TextDescriptionLength);
        artistView.setLines(minLines);
        artistView.setTextAppearance(context, android.R.style.TextAppearance_Small);

        final Spanned spannedText = spanned;
        artistView.setOnClickListener(new View.OnClickListener() {
            @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
            @Override
            public void onClick(View v) {
                if (artistView.getMaxLines() == minLines) {
                    // Use LeadingMarginSpan2 to try to make text flow around image
                    Display display = context.getWindowManager().getDefaultDisplay();
                    ImageView coverArtView = (ImageView) header.findViewById(R.id.select_album_art);
                    coverArtView.measure(display.getWidth(), display.getHeight());

                    int height, width;
                    ViewGroup.MarginLayoutParams vlp = (ViewGroup.MarginLayoutParams) coverArtView
                            .getLayoutParams();
                    if (coverArtView.getDrawable() != null) {
                        height = coverArtView.getMeasuredHeight() + coverArtView.getPaddingBottom();
                        width = coverArtView.getWidth() + coverArtView.getPaddingRight();
                    } else {
                        height = coverArtView.getHeight();
                        width = coverArtView.getWidth() + coverArtView.getPaddingRight();
                    }
                    float textLineHeight = artistView.getPaint().getTextSize();

                    int lines = (int) Math.ceil(height / textLineHeight) + 1;

                    SpannableString ss = new SpannableString(spannedText);
                    ss.setSpan(new MyLeadingMarginSpan2(lines, width), 0, ss.length(),
                            Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

                    View linearLayout = header.findViewById(R.id.select_album_text_layout);
                    RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) linearLayout
                            .getLayoutParams();
                    int[] rules = params.getRules();
                    rules[RelativeLayout.RIGHT_OF] = 0;
                    params.leftMargin = vlp.rightMargin;

                    artistView.setText(ss);
                    artistView.setMaxLines(100);

                    vlp = (ViewGroup.MarginLayoutParams) titleView.getLayoutParams();
                    vlp.leftMargin = width;
                } else {
                    artistView.setMaxLines(minLines);
                }
            }
        });
        artistView.setMovementMethod(LinkMovementMethod.getInstance());
    } else if (topTracks) {
        artistView.setText(R.string.menu_top_tracks);
        artistView.setVisibility(View.VISIBLE);
    } else if (showAll) {
        artistView.setText(R.string.menu_show_all);
        artistView.setVisibility(View.VISIBLE);
    } else if (artists.size() == 1) {
        String artistText = artists.iterator().next();
        if (years.size() == 1) {
            artistText += " - " + years.iterator().next();
        }
        artistView.setText(artistText);
        artistView.setVisibility(View.VISIBLE);
    } else {
        artistView.setVisibility(View.GONE);
    }

    TextView songCountView = (TextView) header.findViewById(R.id.select_album_song_count);
    TextView songLengthView = (TextView) header.findViewById(R.id.select_album_song_length);
    if (podcastDescription != null || artistInfo != null) {
        songCountView.setVisibility(View.GONE);
        songLengthView.setVisibility(View.GONE);
    } else {
        String s = context.getResources().getQuantityString(R.plurals.select_album_n_songs, songCount,
                songCount);

        songCountView.setVisibility(View.GONE);
        songLengthView.setVisibility(View.GONE);
    }
}

From source file:ru.valle.btc.MainActivity.java

private CharSequence getPrivateKeyTypeLabel(final KeyPair keyPair) {
    int typeWithCompression = keyPair.privateKey.type == BTCUtils.PrivateKeyInfo.TYPE_BRAIN_WALLET
            && keyPair.privateKey.isPublicKeyCompressed ? keyPair.privateKey.type + 1 : keyPair.privateKey.type;
    CharSequence keyType = getResources().getTextArray(R.array.private_keys_types)[typeWithCompression];
    SpannableString keyTypeLabel = new SpannableString(getString(R.string.private_key_type, keyType));
    int keyTypeStart = keyTypeLabel.toString().indexOf(keyType.toString());
    keyTypeLabel.setSpan(new StyleSpan(Typeface.BOLD), keyTypeStart, keyTypeStart + keyType.length(),
            SpannableStringBuilder.SPAN_INCLUSIVE_INCLUSIVE);
    if (keyPair.privateKey.type == BTCUtils.PrivateKeyInfo.TYPE_BRAIN_WALLET) {
        String compressionStrToSpan = keyType.toString().substring(keyType.toString().indexOf(',') + 2);
        int start = keyTypeLabel.toString().indexOf(compressionStrToSpan);
        if (start >= 0) {

            ClickableSpan switchPublicKeyCompressionSpan = new ClickableSpan() {
                @Override//  www.j  av  a2 s  .co  m
                public void onClick(View widget) {
                    cancelAllRunningTasks();
                    switchingCompressionTypeTask = new AsyncTask<Void, Void, KeyPair>() {

                        @Override
                        protected KeyPair doInBackground(Void... params) {
                            return new KeyPair(new BTCUtils.PrivateKeyInfo(keyPair.privateKey.type,
                                    keyPair.privateKey.privateKeyEncoded, keyPair.privateKey.privateKeyDecoded,
                                    !keyPair.privateKey.isPublicKeyCompressed));
                        }

                        @Override
                        protected void onPostExecute(KeyPair keyPair) {
                            switchingCompressionTypeTask = null;
                            onKeyPairModify(false, keyPair);
                        }
                    };
                    switchingCompressionTypeTask.execute();
                }
            };
            keyTypeLabel.setSpan(switchPublicKeyCompressionSpan, start, start + compressionStrToSpan.length(),
                    SpannableStringBuilder.SPAN_INCLUSIVE_INCLUSIVE);
        }
    }
    return keyTypeLabel;
}

From source file:org.kiwix.kiwixmobile.KiwixMobileActivity.java

private SpannableString createMenuText(String title) {
    SpannableString s = new SpannableString(title);
    s.setSpan(new ForegroundColorSpan(Color.WHITE), 0, s.length(), 0);
    return s;/*from  w ww .j  a  va2s  .  co  m*/
}

From source file:com.chen.mail.browse.SendersView.java

public static void handlePriority(Context context, int maxChars, String messageInfoString,
        ConversationInfo conversationInfo, ArrayList<SpannableString> styledSenders,
        ArrayList<String> displayableSenderNames, ArrayList<String> displayableSenderEmails, String account,
        final TextAppearanceSpan unreadStyleSpan, final CharacterStyle readStyleSpan) {
    boolean shouldAddPhotos = displayableSenderEmails != null;
    int maxPriorityToInclude = -1; // inclusive
    int numCharsUsed = messageInfoString.length(); // draft, number drafts,
                                                   // count
    int numSendersUsed = 0;
    int numCharsToRemovePerWord = 0;
    int maxFoundPriority = 0;
    if (numCharsUsed > maxChars) {
        numCharsToRemovePerWord = numCharsUsed - maxChars;
    }//from   w w w . j a  v  a 2 s.com

    final Map<Integer, Integer> priorityToLength = PRIORITY_LENGTH_MAP_CACHE.get();
    try {
        priorityToLength.clear();
        int senderLength;
        for (MessageInfo info : conversationInfo.messageInfos) {
            senderLength = !TextUtils.isEmpty(info.sender) ? info.sender.length() : 0;
            priorityToLength.put(info.priority, senderLength);
            maxFoundPriority = Math.max(maxFoundPriority, info.priority);
        }
        while (maxPriorityToInclude < maxFoundPriority) {
            if (priorityToLength.containsKey(maxPriorityToInclude + 1)) {
                int length = numCharsUsed + priorityToLength.get(maxPriorityToInclude + 1);
                if (numCharsUsed > 0)
                    length += 2;
                // We must show at least two senders if they exist. If we don't
                // have space for both
                // then we will truncate names.
                if (length > maxChars && numSendersUsed >= 2) {
                    break;
                }
                numCharsUsed = length;
                numSendersUsed++;
            }
            maxPriorityToInclude++;
        }
    } finally {
        PRIORITY_LENGTH_MAP_CACHE.release(priorityToLength);
    }
    // We want to include this entry if
    // 1) The onlyShowUnread flags is not set
    // 2) The above flag is set, and the message is unread
    MessageInfo currentMessage;
    SpannableString spannableDisplay;
    String nameString;
    CharacterStyle style;
    boolean appendedElided = false;
    Map<String, Integer> displayHash = Maps.newHashMap();
    String firstDisplayableSenderEmail = null;
    String firstDisplayableSender = null;
    for (int i = 0; i < conversationInfo.messageInfos.size(); i++) {
        currentMessage = conversationInfo.messageInfos.get(i);
        nameString = !TextUtils.isEmpty(currentMessage.sender) ? currentMessage.sender : "";
        if (nameString.length() == 0) {
            nameString = getMe(context);
        }
        if (numCharsToRemovePerWord != 0) {
            nameString = nameString.substring(0, Math.max(nameString.length() - numCharsToRemovePerWord, 0));
        }
        final int priority = currentMessage.priority;
        style = !currentMessage.read ? getWrappedStyleSpan(unreadStyleSpan)
                : getWrappedStyleSpan(readStyleSpan);
        if (priority <= maxPriorityToInclude) {
            spannableDisplay = new SpannableString(sBidiFormatter.unicodeWrap(nameString));
            // Don't duplicate senders; leave the first instance, unless the
            // current instance is also unread.
            int oldPos = displayHash.containsKey(currentMessage.sender) ? displayHash.get(currentMessage.sender)
                    : DOES_NOT_EXIST;
            // If this sender doesn't exist OR the current message is
            // unread, add the sender.
            if (oldPos == DOES_NOT_EXIST || !currentMessage.read) {
                // If the sender entry already existed, and is right next to the
                // current sender, remove the old entry.
                if (oldPos != DOES_NOT_EXIST && i > 0 && oldPos == i - 1 && oldPos < styledSenders.size()) {
                    // Remove the old one!
                    styledSenders.set(oldPos, null);
                    if (shouldAddPhotos && !TextUtils.isEmpty(currentMessage.senderEmail)) {
                        displayableSenderEmails.remove(currentMessage.senderEmail);
                        displayableSenderNames.remove(currentMessage.sender);
                    }
                }
                displayHash.put(currentMessage.sender, i);
                spannableDisplay.setSpan(style, 0, spannableDisplay.length(), 0);
                styledSenders.add(spannableDisplay);
            }
        } else {
            if (!appendedElided) {
                spannableDisplay = new SpannableString(sElidedString);
                spannableDisplay.setSpan(style, 0, spannableDisplay.length(), 0);
                appendedElided = true;
                styledSenders.add(spannableDisplay);
            }
        }
        if (shouldAddPhotos) {
            String senderEmail = TextUtils.isEmpty(currentMessage.sender) ? account
                    : TextUtils.isEmpty(currentMessage.senderEmail) ? currentMessage.sender
                            : currentMessage.senderEmail;
            if (i == 0) {
                // Always add the first sender!
                firstDisplayableSenderEmail = senderEmail;
                firstDisplayableSender = currentMessage.sender;
            } else {
                if (!Objects.equal(firstDisplayableSenderEmail, senderEmail)) {
                    int indexOf = displayableSenderEmails.indexOf(senderEmail);
                    if (indexOf > -1) {
                        displayableSenderEmails.remove(indexOf);
                        displayableSenderNames.remove(indexOf);
                    }
                    displayableSenderEmails.add(senderEmail);
                    displayableSenderNames.add(currentMessage.sender);
                    if (displayableSenderEmails.size() > DividedImageCanvas.MAX_DIVISIONS) {
                        displayableSenderEmails.remove(0);
                        displayableSenderNames.remove(0);
                    }
                }
            }
        }
    }
    if (shouldAddPhotos && !TextUtils.isEmpty(firstDisplayableSenderEmail)) {
        if (displayableSenderEmails.size() < DividedImageCanvas.MAX_DIVISIONS) {
            displayableSenderEmails.add(0, firstDisplayableSenderEmail);
            displayableSenderNames.add(0, firstDisplayableSender);
        } else {
            displayableSenderEmails.set(0, firstDisplayableSenderEmail);
            displayableSenderNames.set(0, firstDisplayableSender);
        }
    }
}

From source file:org.kiwix.kiwixmobile.KiwixMobileActivity.java

private SpannableString createMenuItem(String title) {
    SpannableString s = new SpannableString(title);
    if (nightMode) {
        s.setSpan(new ForegroundColorSpan(Color.WHITE), 0, s.length(), 0);
    } else {/* www. java 2s .  co m*/
        s.setSpan(new ForegroundColorSpan(Color.BLACK), 0, s.length(), 0);
    }
    return s;
}

From source file:com.tct.mail.browse.SendersView.java

private static void handlePriority(int maxChars, String messageInfoString, ConversationInfo conversationInfo,
        ArrayList<SpannableString> styledSenders, ArrayList<String> displayableSenderNames,
        ArrayList<String> displayableSenderEmails, String account, final TextAppearanceSpan unreadStyleSpan,
        final CharacterStyle readStyleSpan, final boolean showToHeader) {
    boolean shouldAddPhotos = displayableSenderEmails != null;
    int maxPriorityToInclude = -1; // inclusive
    int numCharsUsed = messageInfoString.length(); // draft, number drafts,
                                                   // count
    int numSendersUsed = 0;
    int numCharsToRemovePerWord = 0;
    int maxFoundPriority = 0;
    if (numCharsUsed > maxChars) {
        numCharsToRemovePerWord = numCharsUsed - maxChars;
    }// w  w  w . jav a  2s  .  c o  m

    final Map<Integer, Integer> priorityToLength = PRIORITY_LENGTH_MAP_CACHE.get();
    try {
        priorityToLength.clear();
        int senderLength;
        for (ParticipantInfo info : conversationInfo.participantInfos) {
            final String senderName = info.name;
            senderLength = !TextUtils.isEmpty(senderName) ? senderName.length() : 0;
            priorityToLength.put(info.priority, senderLength);
            maxFoundPriority = Math.max(maxFoundPriority, info.priority);
        }
        while (maxPriorityToInclude < maxFoundPriority) {
            if (priorityToLength.containsKey(maxPriorityToInclude + 1)) {
                int length = numCharsUsed + priorityToLength.get(maxPriorityToInclude + 1);
                if (numCharsUsed > 0)
                    length += 2;
                // We must show at least two senders if they exist. If we don't
                // have space for both
                // then we will truncate names.
                if (length > maxChars && numSendersUsed >= 2) {
                    break;
                }
                numCharsUsed = length;
                numSendersUsed++;
            }
            maxPriorityToInclude++;
        }
    } finally {
        PRIORITY_LENGTH_MAP_CACHE.release(priorityToLength);
    }
    // We want to include this entry if
    // 1) The onlyShowUnread flags is not set
    // 2) The above flag is set, and the message is unread
    ParticipantInfo currentParticipant;
    SpannableString spannableDisplay;
    CharacterStyle style;
    boolean appendedElided = false;
    Map<String, Integer> displayHash = Maps.newHashMap();
    String firstDisplayableSenderEmail = null;
    String firstDisplayableSender = null;
    for (int i = 0; i < conversationInfo.participantInfos.size(); i++) {
        currentParticipant = conversationInfo.participantInfos.get(i);
        final String currentEmail = currentParticipant.email;

        final String currentName = currentParticipant.name;
        String nameString = !TextUtils.isEmpty(currentName) ? currentName : "";
        if (nameString.length() == 0) {
            // if we're showing the To: header, show the object version of me.
            nameString = getMe(showToHeader /* useObjectMe */);
        }
        if (numCharsToRemovePerWord != 0) {
            nameString = nameString.substring(0, Math.max(nameString.length() - numCharsToRemovePerWord, 0));
        }

        final int priority = currentParticipant.priority;
        style = CharacterStyle.wrap(currentParticipant.readConversation ? readStyleSpan : unreadStyleSpan);
        if (priority <= maxPriorityToInclude) {
            spannableDisplay = new SpannableString(sBidiFormatter.unicodeWrap(nameString));
            // Don't duplicate senders; leave the first instance, unless the
            // current instance is also unread.
            int oldPos = displayHash.containsKey(currentName) ? displayHash.get(currentName) : DOES_NOT_EXIST;
            // If this sender doesn't exist OR the current message is
            // unread, add the sender.
            if (oldPos == DOES_NOT_EXIST || !currentParticipant.readConversation) {
                // If the sender entry already existed, and is right next to the
                // current sender, remove the old entry.
                if (oldPos != DOES_NOT_EXIST && i > 0 && oldPos == i - 1 && oldPos < styledSenders.size()) {
                    // Remove the old one!
                    styledSenders.set(oldPos, null);
                    if (shouldAddPhotos && !TextUtils.isEmpty(currentEmail)) {
                        displayableSenderEmails.remove(currentEmail);
                        displayableSenderNames.remove(currentName);
                    }
                }
                displayHash.put(currentName, i);
                spannableDisplay.setSpan(style, 0, spannableDisplay.length(), 0);
                styledSenders.add(spannableDisplay);
            }
        } else {
            if (!appendedElided) {
                spannableDisplay = new SpannableString(sElidedString);
                spannableDisplay.setSpan(style, 0, spannableDisplay.length(), 0);
                appendedElided = true;
                styledSenders.add(spannableDisplay);
            }
        }
        if (shouldAddPhotos) {
            String senderEmail = TextUtils.isEmpty(currentName) ? account
                    : TextUtils.isEmpty(currentEmail) ? currentName : currentEmail;
            if (i == 0) {
                // Always add the first sender!
                firstDisplayableSenderEmail = senderEmail;
                firstDisplayableSender = currentName;
            } else {
                if (!Objects.equal(firstDisplayableSenderEmail, senderEmail)) {
                    int indexOf = displayableSenderEmails.indexOf(senderEmail);
                    if (indexOf > -1) {
                        displayableSenderEmails.remove(indexOf);
                        displayableSenderNames.remove(indexOf);
                    }
                    displayableSenderEmails.add(senderEmail);
                    displayableSenderNames.add(currentName);
                    if (displayableSenderEmails.size() > DividedImageCanvas.MAX_DIVISIONS) {
                        displayableSenderEmails.remove(0);
                        displayableSenderNames.remove(0);
                    }
                }
            }
        }
    }
    if (shouldAddPhotos && !TextUtils.isEmpty(firstDisplayableSenderEmail)) {
        if (displayableSenderEmails.size() < DividedImageCanvas.MAX_DIVISIONS) {
            displayableSenderEmails.add(0, firstDisplayableSenderEmail);
            displayableSenderNames.add(0, firstDisplayableSender);
        } else {
            displayableSenderEmails.set(0, firstDisplayableSenderEmail);
            displayableSenderNames.set(0, firstDisplayableSender);
        }
    }
}

From source file:com.android.mail.browse.SendersView.java

private static void handlePriority(int maxChars, String messageInfoString, ConversationInfo conversationInfo,
        ArrayList<SpannableString> styledSenders, ArrayList<String> displayableSenderNames,
        ConversationItemViewModel.SenderAvatarModel senderAvatarModel, Account account,
        final TextAppearanceSpan unreadStyleSpan, final CharacterStyle readStyleSpan,
        final boolean showToHeader) {
    final boolean shouldSelectSenders = displayableSenderNames != null;
    final boolean shouldSelectAvatar = senderAvatarModel != null;
    int maxPriorityToInclude = -1; // inclusive
    int numCharsUsed = messageInfoString.length(); // draft, number drafts,
                                                   // count
    int numSendersUsed = 0;
    int numCharsToRemovePerWord = 0;
    int maxFoundPriority = 0;
    if (numCharsUsed > maxChars) {
        numCharsToRemovePerWord = numCharsUsed - maxChars;
    }/*from   w  w w  . j  a v  a 2  s .c o  m*/

    final Map<Integer, Integer> priorityToLength = PRIORITY_LENGTH_MAP_CACHE.get();
    try {
        priorityToLength.clear();
        int senderLength;
        for (ParticipantInfo info : conversationInfo.participantInfos) {
            final String senderName = info.name;
            senderLength = !TextUtils.isEmpty(senderName) ? senderName.length() : 0;
            priorityToLength.put(info.priority, senderLength);
            maxFoundPriority = Math.max(maxFoundPriority, info.priority);
        }
        while (maxPriorityToInclude < maxFoundPriority) {
            if (priorityToLength.containsKey(maxPriorityToInclude + 1)) {
                int length = numCharsUsed + priorityToLength.get(maxPriorityToInclude + 1);
                if (numCharsUsed > 0)
                    length += 2;
                // We must show at least two senders if they exist. If we don't
                // have space for both
                // then we will truncate names.
                if (length > maxChars && numSendersUsed >= 2) {
                    break;
                }
                numCharsUsed = length;
                numSendersUsed++;
            }
            maxPriorityToInclude++;
        }
    } finally {
        PRIORITY_LENGTH_MAP_CACHE.release(priorityToLength);
    }

    SpannableString spannableDisplay;
    boolean appendedElided = false;
    final Map<String, Integer> displayHash = Maps.newHashMap();
    final List<String> senderEmails = Lists.newArrayListWithExpectedSize(MAX_SENDER_COUNT);
    String firstSenderEmail = null;
    String firstSenderName = null;
    for (int i = 0; i < conversationInfo.participantInfos.size(); i++) {
        final ParticipantInfo currentParticipant = conversationInfo.participantInfos.get(i);
        final String currentEmail = currentParticipant.email;

        final String currentName = currentParticipant.name;
        String nameString = !TextUtils.isEmpty(currentName) ? currentName : "";
        if (nameString.length() == 0) {
            // if we're showing the To: header, show the object version of me.
            nameString = getMe(showToHeader /* useObjectMe */);
        }
        if (numCharsToRemovePerWord != 0) {
            nameString = nameString.substring(0, Math.max(nameString.length() - numCharsToRemovePerWord, 0));
        }

        final int priority = currentParticipant.priority;
        final CharacterStyle style = CharacterStyle
                .wrap(currentParticipant.readConversation ? readStyleSpan : unreadStyleSpan);
        if (priority <= maxPriorityToInclude) {
            spannableDisplay = new SpannableString(sBidiFormatter.unicodeWrap(nameString));
            // Don't duplicate senders; leave the first instance, unless the
            // current instance is also unread.
            int oldPos = displayHash.containsKey(currentName) ? displayHash.get(currentName) : DOES_NOT_EXIST;
            // If this sender doesn't exist OR the current message is
            // unread, add the sender.
            if (oldPos == DOES_NOT_EXIST || !currentParticipant.readConversation) {
                // If the sender entry already existed, and is right next to the
                // current sender, remove the old entry.
                if (oldPos != DOES_NOT_EXIST && i > 0 && oldPos == i - 1 && oldPos < styledSenders.size()) {
                    // Remove the old one!
                    styledSenders.set(oldPos, null);
                    if (shouldSelectSenders && !TextUtils.isEmpty(currentEmail)) {
                        senderEmails.remove(currentEmail);
                        displayableSenderNames.remove(currentName);
                    }
                }
                displayHash.put(currentName, i);
                spannableDisplay.setSpan(style, 0, spannableDisplay.length(), 0);
                styledSenders.add(spannableDisplay);
            }
        } else {
            if (!appendedElided) {
                spannableDisplay = new SpannableString(sElidedString);
                spannableDisplay.setSpan(style, 0, spannableDisplay.length(), 0);
                appendedElided = true;
                styledSenders.add(spannableDisplay);
            }
        }

        final String senderEmail = TextUtils.isEmpty(currentName) ? account.getEmailAddress()
                : TextUtils.isEmpty(currentEmail) ? currentName : currentEmail;

        if (shouldSelectSenders) {
            if (i == 0) {
                // Always add the first sender!
                firstSenderEmail = senderEmail;
                firstSenderName = currentName;
            } else {
                if (!Objects.equal(firstSenderEmail, senderEmail)) {
                    int indexOf = senderEmails.indexOf(senderEmail);
                    if (indexOf > -1) {
                        senderEmails.remove(indexOf);
                        displayableSenderNames.remove(indexOf);
                    }
                    senderEmails.add(senderEmail);
                    displayableSenderNames.add(currentName);
                    if (senderEmails.size() > MAX_SENDER_COUNT) {
                        senderEmails.remove(0);
                        displayableSenderNames.remove(0);
                    }
                }
            }
        }

        // if the corresponding message from this participant is unread and no sender avatar
        // is yet chosen, choose this one
        if (shouldSelectAvatar && senderAvatarModel.isNotPopulated() && !currentParticipant.readConversation) {
            senderAvatarModel.populate(currentName, senderEmail);
        }
    }

    // always add the first sender to the display
    if (shouldSelectSenders && !TextUtils.isEmpty(firstSenderEmail)) {
        if (displayableSenderNames.size() < MAX_SENDER_COUNT) {
            displayableSenderNames.add(0, firstSenderName);
        } else {
            displayableSenderNames.set(0, firstSenderName);
        }
    }

    // if all messages in the thread were read, we must search for an appropriate avatar
    if (shouldSelectAvatar && senderAvatarModel.isNotPopulated()) {
        // search for the last sender that is not the current account
        for (int i = conversationInfo.participantInfos.size() - 1; i >= 0; i--) {
            final ParticipantInfo participant = conversationInfo.participantInfos.get(i);
            // empty name implies it is the current account and should not be chosen
            if (!TextUtils.isEmpty(participant.name)) {
                // use the participant name in place of unusable email addresses
                final String senderEmail = TextUtils.isEmpty(participant.email) ? participant.name
                        : participant.email;
                senderAvatarModel.populate(participant.name, senderEmail);
                break;
            }
        }

        // if we still don't have an avatar, the account is emailing itself
        if (senderAvatarModel.isNotPopulated()) {
            senderAvatarModel.populate(account.getDisplayName(), account.getEmailAddress());
        }
    }
}