Java Spannable.getSpans方法代码示例

import android.text.Spannable; //导入方法依赖的package包/类
public static JsonObject spannableToJson(CharSequence text) {
    JsonObject ret = new JsonObject();
    ret.addProperty("text", text.toString());
    JsonArray a = new JsonArray();
    if (text instanceof Spannable) {
        Spannable spannable = (Spannable) text;
        for (Object span : spannable.getSpans(0, text.length(), Object.class)) {
            JsonObject o = spanToJson(span);
            if (o != null) {
                o.addProperty("start", spannable.getSpanStart(span));
                o.addProperty("end", spannable.getSpanEnd(span));
                o.addProperty("flags", spannable.getSpanFlags(span));
                a.add(o);
            }
        }
    }
    ret.add("spans", a);
    return ret;
}
 

import android.text.Spannable; //导入方法依赖的package包/类
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
    if (event.getAction() == 1) {
        this.mLinkClicked = false;
        this.mClickedLink = null;
        int x = (((int) event.getX()) - widget.getTotalPaddingLeft()) + widget.getScrollX();
        int y = (((int) event.getY()) - widget.getTotalPaddingTop()) + widget.getScrollY();
        Layout layout = widget.getLayout();
        int off = layout.getOffsetForHorizontal(layout.getLineForVertical(y), (float) x);
        ClickableSpan[] link = (ClickableSpan[]) buffer.getSpans(off, off, ClickableSpan
                .class);
        if (link.length != 0) {
            SensibleUrlSpan span = link[0];
            this.mLinkClicked = span.onClickSpan(widget);
            this.mClickedLink = span.getURL();
            return this.mLinkClicked;
        }
    }
    super.onTouchEvent(widget, buffer, event);
    return false;
}
 

import android.text.Spannable; //导入方法依赖的package包/类
@Override
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
    int action = event.getAction();

    if (action == MotionEvent.ACTION_DOWN) {
        int x = (int) event.getX();
        int y = (int) event.getY();

        x -= widget.getTotalPaddingLeft();
        y -= widget.getTotalPaddingTop();
        x += widget.getScrollX();
        y += widget.getScrollY();

        Layout layout = widget.getLayout();
        int line = layout.getLineForVertical(y);
        int off = layout.getOffsetForHorizontal(line, x);

        ClickableSpan[] link = buffer.getSpans(off, off, ClickableSpan.class);
        if (link.length != 0) {
            link[0].onClick(widget);
            return true;
        } else {
            Selection.removeSelection(buffer);
        }
    }

    return super.onTouchEvent(widget, buffer, event);
}
 

import android.text.Spannable; //导入方法依赖的package包/类
public static void stripUnderlines(TextView textView) {
    Spannable s = new SpannableString(textView.getText());
    URLSpan[] spans = s.getSpans(0, s.length(), URLSpan.class);
    for (URLSpan span: spans) {
        int start = s.getSpanStart(span);
        int end = s.getSpanEnd(span);
        s.removeSpan(span);
        span = new URLSpanNoUnderline(span.getURL());
        s.setSpan(span, start, end, 0);
    }
    textView.setText(s);
}
 

import android.text.Spannable; //导入方法依赖的package包/类
private void clearSpan(Spannable spannable, int start, int end) {
    if (start == end) {
        return;
    }
    EmoticonSpan[] oldSpans = spannable.getSpans(start, end, EmoticonSpan.class);
    for (int i = 0; i < oldSpans.length; i++) {
        spannable.removeSpan(oldSpans[i]);
    }
}
 

import android.text.Spannable; //导入方法依赖的package包/类
/**
 * Returns the current query out of the given Spannable.
 * @param text the anchor text
 * @return an int[] with query start and query end positions
 */
@Nullable
public static int[] getQueryRange(Spannable text) {
    QuerySpan[] span = text.getSpans(0, text.length(), QuerySpan.class);
    if (span == null || span.length == 0) return null;
    if (span.length > 1) {
        // Won't happen
        log("getQueryRange:  ERR: MORE THAN ONE QuerySpan.");
    }
    QuerySpan sp = span[0];
    return new int[]{text.getSpanStart(sp), text.getSpanEnd(sp)};
}
 

import android.text.Spannable; //导入方法依赖的package包/类
/**
 * replace existing spannable with smiles
 * @param context
 * @param spannable
 * @return
 */
public static boolean addSmiles(Context context, Spannable spannable) {
    boolean hasChanges = false;
    for (Entry<Pattern, Object> entry : emoticons.entrySet()) {
        Matcher matcher = entry.getKey().matcher(spannable);
        while (matcher.find()) {
            boolean set = true;
            for (ImageSpan span : spannable.getSpans(matcher.start(),
                    matcher.end(), ImageSpan.class))
                if (spannable.getSpanStart(span) >= matcher.start()
                        && spannable.getSpanEnd(span) <= matcher.end())
                    spannable.removeSpan(span);
                else {
                    set = false;
                    break;
                }
            if (set) {
                hasChanges = true;
                Object value = entry.getValue();
                if(value instanceof String && !((String) value).startsWith("http")){
                    File file = new File((String) value);
                    if(!file.exists() || file.isDirectory()){
                        return false;
                    }
                    spannable.setSpan(new ImageSpan(context, Uri.fromFile(file)),
                            matcher.start(), matcher.end(),
                            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
                }else{
                    spannable.setSpan(new ImageSpan(context, (Integer)value),
                            matcher.start(), matcher.end(),
                            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
                }
            }
        }
    }
    
    return hasChanges;
}
 

import android.text.Spannable; //导入方法依赖的package包/类
/**
 * For TextInlineImageSpan we need to update the Span to know that the window is attached and
 * the TextView that we will set as the callback on the Drawable.
 *
 * @param spannable The spannable that may contain TextInlineImageSpans
 * @param view The view which will be set as the callback for the Drawable
 */
public static void possiblyUpdateInlineImageSpans(Spannable spannable, TextView view) {
  TextInlineImageSpan[] spans =
    spannable.getSpans(0, spannable.length(), TextInlineImageSpan.class);
  for (TextInlineImageSpan span : spans) {
    span.onAttachedToWindow();
    span.setTextView(view);
  }
}
 

import android.text.Spannable; //导入方法依赖的package包/类
private void removeUrlHighlightColor(TextView textView) {
    if (this.isUrlHighlighted) {
        this.isUrlHighlighted = false;
        Spannable text = (Spannable) textView.getText();
        BackgroundColorSpan[] highlightSpans = text.getSpans(0, text.length(), BackgroundColorSpan.class);
        for (BackgroundColorSpan highlightSpan : highlightSpans) {
            text.removeSpan(highlightSpan);
        }
        try {
            textView.setText(text);
            Selection.removeSelection(text);
        } catch (Exception ignored) {}
    }
}
 

import android.text.Spannable; //导入方法依赖的package包/类
private static void addCustomTabUrlHandler(Activity activity, TextView textView) {
    CharSequence text = textView.getText();
    Spannable s = new SpannableString(text);
    URLSpan[] spans = s.getSpans(0, s.length(), URLSpan.class);
    for (URLSpan span : spans) {
        int start = s.getSpanStart(span);
        int end = s.getSpanEnd(span);
        s.removeSpan(span);
        span = new CustomTabUrlSpan(activity, span.getURL());
        s.setSpan(span, start, end, 0);
    }
    textView.setText(s);
}
 

import android.text.Spannable; //导入方法依赖的package包/类
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
    int action = event.getAction();
    if (action == 1 || action == 0) {
        int x = (((int) event.getX()) - widget.getTotalPaddingLeft()) + widget.getScrollX();
        int y = (((int) event.getY()) - widget.getTotalPaddingTop()) + widget.getScrollY();
        Layout layout = widget.getLayout();
        int off = layout.getOffsetForHorizontal(layout.getLineForVertical(y), (float) x);
        MyURLSpan[] link = (MyURLSpan[]) buffer.getSpans(off, off, MyURLSpan.class);
        if (link.length != 0) {
            if (action == 1) {
                if (!this.mHasPerformedLongPress) {
                    link[0].onClick(widget);
                }
                this.pressed = false;
                this.lastEvent = new float[2];
            } else if (action == 0) {
                this.pressed = true;
                this.lastEvent[0] = event.getX();
                this.lastEvent[1] = event.getY();
                checkForLongClick(link, widget);
            }
            return true;
        }
    } else if (action == 2) {
        float[] position = new float[]{event.getX(), event.getY()};
        if (Math.sqrt(Math.hypot((double) Math.abs(this.lastEvent[0] - position[0]), (double)
                Math.abs(this.lastEvent[1] - position[1]))) > ((double) 6)) {
            this.pressed = false;
        }
    } else if (action == 3) {
        this.pressed = false;
        this.lastEvent = new float[2];
    } else {
        this.pressed = false;
        this.lastEvent = new float[2];
    }
    return super.onTouchEvent(widget, buffer, event);
}
 

import android.text.Spannable; //导入方法依赖的package包/类
private boolean action(int what, TextView widget, Spannable buffer) {
    Layout layout = widget.getLayout();
    int padding = widget.getTotalPaddingTop() + widget.getTotalPaddingBottom();
    int areatop = widget.getScrollY();
    int areabot = (widget.getHeight() + areatop) - padding;
    int linetop = layout.getLineForVertical(areatop);
    int linebot = layout.getLineForVertical(areabot);
    int first = layout.getLineStart(linetop);
    int last = layout.getLineEnd(linebot);
    MyURLSpan[] candidates = (MyURLSpan[]) buffer.getSpans(first, last, MyURLSpan.class);
    int a = Selection.getSelectionStart(buffer);
    int b = Selection.getSelectionEnd(buffer);
    int selStart = Math.min(a, b);
    int selEnd = Math.max(a, b);
    if (selStart < 0 && buffer.getSpanStart(FROM_BELOW) >= 0) {
        selEnd = buffer.length();
        selStart = selEnd;
    }
    if (selStart > last) {
        selEnd = ActivityChooserViewAdapter.MAX_ACTIVITY_COUNT_UNLIMITED;
        selStart = ActivityChooserViewAdapter.MAX_ACTIVITY_COUNT_UNLIMITED;
    }
    if (selEnd < first) {
        selEnd = -1;
        selStart = -1;
    }
    int beststart;
    int bestend;
    int i;
    switch (what) {
        case 1:
            if (selStart != selEnd) {
                MyURLSpan[] link = (MyURLSpan[]) buffer.getSpans(selStart, selEnd, MyURLSpan
                        .class);
                if (link.length == 1) {
                    link[0].onClick(widget);
                    break;
                }
                return false;
            }
            return false;
        case 2:
            beststart = -1;
            bestend = -1;
            for (i = 0; i < candidates.length; i++) {
                int end = buffer.getSpanEnd(candidates[i]);
                if ((end < selEnd || selStart == selEnd) && end > bestend) {
                    beststart = buffer.getSpanStart(candidates[i]);
                    bestend = end;
                }
            }
            if (beststart >= 0) {
                Selection.setSelection(buffer, bestend, beststart);
                return true;
            }
            break;
        case 3:
            beststart = ActivityChooserViewAdapter.MAX_ACTIVITY_COUNT_UNLIMITED;
            bestend = ActivityChooserViewAdapter.MAX_ACTIVITY_COUNT_UNLIMITED;
            for (i = 0; i < candidates.length; i++) {
                int start = buffer.getSpanStart(candidates[i]);
                if ((start > selStart || selStart == selEnd) && start < beststart) {
                    beststart = start;
                    bestend = buffer.getSpanEnd(candidates[i]);
                }
            }
            if (bestend < Integer.MAX_VALUE) {
                Selection.setSelection(buffer, beststart, bestend);
                return true;
            }
            break;
    }
    return false;
}
 

import android.text.Spannable; //导入方法依赖的package包/类
public boolean onTouchEvent(TextView widget, Spannable buffer,
                            MotionEvent event) {

    int action = event.getAction();
    if(action == MotionEvent.ACTION_DOWN){
        int x = (int) event.getX();
        int y = (int) event.getY();

        x -= widget.getTotalPaddingLeft();
        y -= widget.getTotalPaddingTop();

        x += widget.getScrollX();
        y += widget.getScrollY();

        Layout layout = widget.getLayout();
        int line = layout.getLineForVertical(y);
        int off = layout.getOffsetForHorizontal(line, x);

        mClickLinks = buffer.getSpans(off, off, ClickableSpan.class);
        if(mClickLinks.length > 0){
            // 点击的是Span区域，不要把点击事件传递
            setPassToTv(false);
            Selection.setSelection(buffer,
                    buffer.getSpanStart(mClickLinks[0]),
                    buffer.getSpanEnd(mClickLinks[0]));
            //设置点击区域的背景色
            mBgSpan = new BackgroundColorSpan(clickableSpanBgClor);
            buffer.setSpan(mBgSpan,
                    buffer.getSpanStart(mClickLinks[0]),
                    buffer.getSpanEnd(mClickLinks[0]),
                    Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
        }else{
            setPassToTv(true);
            // textview选中效果
            widget.setBackgroundColor(textViewBgColor);
        }

    }else if(action == MotionEvent.ACTION_UP){
        if(mClickLinks.length > 0){
            mClickLinks[0].onClick(widget);
            if(mBgSpan != null){//移除点击时设置的背景span
                buffer.removeSpan(mBgSpan);
            }
        }else{

        }
        Selection.removeSelection(buffer);
        widget.setBackgroundColor(Color.TRANSPARENT);
    }else if(action == MotionEvent.ACTION_MOVE){
        //这种情况不用做处理
    }else{
        if(mBgSpan != null){//移除点击时设置的背景span
            buffer.removeSpan(mBgSpan);
        }
        widget.setBackgroundColor(Color.TRANSPARENT);
    }
    return Touch.onTouchEvent(widget, buffer, event);
}
 

import android.text.Spannable; //导入方法依赖的package包/类
/**
 * Scans the text of the provided Spannable and turns all occurrences
 * of the link types indicated in the mask into clickable links.
 * If the mask is nonzero, it also removes any existing URLSpans
 * attached to the Spannable, to avoid problems if you call it
 * repeatedly on the same text.
 */
public static final boolean addLinks(Spannable text, int mask, ColorStateList linkColor, ColorStateList bgColor, QMUIOnSpanClickListener l) {
    if (mask == 0) {
        return false;
    }

    URLSpan[] old = text.getSpans(0, text.length(), URLSpan.class);

    for (int i = old.length - 1; i >= 0; i--) {
        text.removeSpan(old[i]);
    }

    ArrayList<LinkSpec> links = new ArrayList<>();

    if ((mask & WEB_URLS) != 0) {
        gatherLinks(links, text, Patterns.WEB_URL,
                new String[]{"http://", "https://", "rtsp://"},
                sUrlMatchFilter, null);
    }

    if ((mask & EMAIL_ADDRESSES) != 0) {
        gatherLinks(links, text, Patterns.EMAIL_ADDRESS,
                new String[]{"mailto:"},
                null, null);
    }

    if ((mask & PHONE_NUMBERS) != 0) {
        gatherPhoneLinks(links, text, WECHAT_PHONE, new Pattern[]{NOT_PHONE},
                new String[]{"tel:"}, sPhoneNumberMatchFilter, sPhoneNumberTransformFilter);
    }

    if ((mask & MAP_ADDRESSES) != 0) {
        gatherMapLinks(links, text);
    }

    pruneOverlaps(links);

    if (links.size() == 0) {
        return false;
    }

    for (LinkSpec link : links) {
        applyLink(link.url, link.start, link.end, text, linkColor, bgColor, l);
    }

    return true;
}
 

import android.text.Spannable; //导入方法依赖的package包/类
@Override
public boolean onTouchEvent(TextView widget, Spannable buffer,
                            MotionEvent event) {
    int action = event.getAction();

    if (action == MotionEvent.ACTION_UP
            || action == MotionEvent.ACTION_DOWN) {
        int x = (int) event.getX();
        int y = (int) event.getY();

        x -= widget.getTotalPaddingLeft();
        y -= widget.getTotalPaddingTop();

        x += widget.getScrollX();
        y += widget.getScrollY();

        Layout layout = widget.getLayout();
        int line = layout.getLineForVertical(y);
        int off = layout.getOffsetForHorizontal(line, x);

        ClickableSpan[] link = buffer.getSpans(off, off,
                ClickableSpan.class);

        if (link.length != 0) {
            if (action == MotionEvent.ACTION_UP) {
                if (System.currentTimeMillis() - lastClickTime < CLICK_DELAY) {
                    link[0].onClick(widget);
                }
            } else if (action == MotionEvent.ACTION_DOWN) {
                Selection.setSelection(buffer,
                        buffer.getSpanStart(link[0]),
                        buffer.getSpanEnd(link[0]));
                lastClickTime = System.currentTimeMillis();
            }

            if (widget instanceof UILabel) {
                ((UILabel) widget).linkHit = true;
            }
            return true;
        } else {
            Selection.removeSelection(buffer);
        }
    }
    return Touch.onTouchEvent(widget, buffer, event);
}