android.widget.TextView#getScrollY ( )源码实例Demo

下面列出了android.widget.TextView#getScrollY ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： android-proguards 文件： LinkTouchMovementMethod.java

private TouchableUrlSpan getPressedSpan(TextView textView, Spannable spannable, MotionEvent
        event) {

    int x = (int) event.getX();
    int y = (int) event.getY();

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

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

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

    TouchableUrlSpan[] link = spannable.getSpans(off, off, TouchableUrlSpan.class);
    TouchableUrlSpan touchedSpan = null;
    if (link.length > 0) {
        touchedSpan = link[0];
    }
    return touchedSpan;
}

源代码2 项目： Pix-Art-Messenger 文件： ClickableMovementMethod.java

@Override
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
    // Just copied from android.text.method.LinkMovementMethod
    if (event.getAction() == MotionEvent.ACTION_UP) {
        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;
        }
    }
    return super.onTouchEvent(widget, buffer, event);
}

源代码3 项目： materialup 文件： LinkTouchMovementMethod.java

private TouchableUrlSpan getPressedSpan(TextView textView, Spannable spannable, MotionEvent
        event) {

    int x = (int) event.getX();
    int y = (int) event.getY();

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

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

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

    TouchableUrlSpan[] link = spannable.getSpans(off, off, TouchableUrlSpan.class);
    TouchableUrlSpan touchedSpan = null;
    if (link.length > 0) {
        touchedSpan = link[0];
    }
    return touchedSpan;
}

源代码4 项目： LinkTextView 文件： LinkTextView.java

private TouchableSpan getPressedSpan(TextView textView, Spannable spannable, MotionEvent event) {

            int x = (int) event.getX();
            int y = (int) event.getY();

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

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

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

            TouchableSpan[] link = spannable.getSpans(off, off, TouchableSpan.class);
            TouchableSpan touchedSpan = null;
            if (link.length > 0) {
                touchedSpan = link[0];
            }
            return touchedSpan;
        }

源代码5 项目： RichEditor 文件： LongClickableLinkMovementMethod.java

private BlockImageSpan getPressedSpan(TextView textView, Spannable spannable, MotionEvent event) {
    int x = (int) event.getX() - textView.getTotalPaddingLeft() + textView.getScrollX();
    int y = (int) event.getY() - textView.getTotalPaddingTop() + textView.getScrollY();

    Layout layout = textView.getLayout();
    int position = layout.getOffsetForHorizontal(layout.getLineForVertical(y), x);

    BlockImageSpan[] blockImageSpans = spannable.getSpans(position, position, BlockImageSpan.class);
    BlockImageSpan touchedSpan = null;
    if (blockImageSpans.length > 0 && positionWithinTag(position, spannable, blockImageSpans[0])
        && blockImageSpans[0].clicked(x, y)) {
        touchedSpan = blockImageSpans[0];
    }

    return touchedSpan;
}

源代码6 项目： ChatMessagesAdapter-android 文件： QBMessageTextClickMovement.java

private String getLinkText(final TextView widget, final Spannable buffer, final MotionEvent event) {

            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) {
                return buffer.subSequence(buffer.getSpanStart(link[0]),
                        buffer.getSpanEnd(link[0])).toString();
            }

            return buffer.toString();
        }

源代码7 项目： Conversations 文件： ClickableMovementMethod.java

@Override
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
	// Just copied from android.text.method.LinkMovementMethod
	if (event.getAction() == MotionEvent.ACTION_UP) {
		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;
		}
	}
	return super.onTouchEvent(widget, buffer, event);
}

源代码8 项目： meiShi 文件： NameTouchMovementMethod.java

private int getOffsetForHorizontal(TextView widget,
                                   MotionEvent event) {
    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);
    return layout.getOffsetForHorizontal(line, x);
}

源代码9 项目： mimi-reader 文件： SelectableLinkMovementMethod.java

@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) {
                link[0].onClick(widget);
            } else if (action == MotionEvent.ACTION_DOWN) {
                Selection.setSelection(buffer, buffer.getSpanStart(link[0]), buffer.getSpanEnd(link[0]));
            }

            return true;
        }
        /*else {
            that's the line we need to remove
            Selection.removeSelection(buffer);
        }*/
    }

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

源代码10 项目： CodeEditor 文件： LineUtils.java

public int getTopVisibleLine(TextView editor) {
    int lineHeight = editor.getLineHeight();
    if (lineHeight == 0) {
        return 0;
    }
    int line = editor.getScrollY() / lineHeight;
    if (line < 0) {
        return 0;
    }
    if (line >= editor.getLineCount()) {
        return editor.getLineCount() - 1;
    }
    return line;
}

源代码11 项目： imsdk-android 文件： EmojiconTextView.java

private boolean handleLinkMovementMethod(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) {
                    long actionUpTime = System.currentTimeMillis();
                    if (actionUpTime - mLastActionDownTime > ViewConfiguration.getLongPressTimeout()) { //长按事件，取消LinkMovementMethod处理，即不处理ClickableSpan点击事件
                        return false;

                    }
                    link[0].onClick(widget);
                    Selection.removeSelection(buffer);

                } else if (action == MotionEvent.ACTION_DOWN) {
                    Selection.setSelection(buffer, buffer.getSpanStart(link[0]), buffer.getSpanEnd(link[0]));
                    mLastActionDownTime = System.currentTimeMillis();
                }
            }
        }
        return false;
    }

源代码12 项目： imsdk-android 文件： LinkMovementClickMethod.java

@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();
            }

            return true;
        } else {
            Selection.removeSelection(buffer);
        }
    }
    return super.onTouchEvent(widget, buffer, event);
}

源代码13 项目： mollyim-android 文件： LongClickMovementMethod.java

@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);

    LongClickCopySpan longClickCopySpan[] = buffer.getSpans(off, off, LongClickCopySpan.class);
    if (longClickCopySpan.length != 0) {
      LongClickCopySpan aSingleSpan = longClickCopySpan[0];
      if (action == MotionEvent.ACTION_DOWN) {
        Selection.setSelection(buffer, buffer.getSpanStart(aSingleSpan),
                buffer.getSpanEnd(aSingleSpan));
        aSingleSpan.setHighlighted(true,
                ContextCompat.getColor(widget.getContext(), R.color.touch_highlight));
      } else {
        Selection.removeSelection(buffer);
        aSingleSpan.setHighlighted(false, Color.TRANSPARENT);
      }

      this.currentSpan = aSingleSpan;
      this.widget = widget;
      return gestureDetector.onTouchEvent(event);
    }
  } else if (action == MotionEvent.ACTION_CANCEL) {
    // Remove Selections.
    LongClickCopySpan[] spans = buffer.getSpans(Selection.getSelectionStart(buffer),
            Selection.getSelectionEnd(buffer), LongClickCopySpan.class);
    for (LongClickCopySpan aSpan : spans) {
      aSpan.setHighlighted(false, Color.TRANSPARENT);
    }
    Selection.removeSelection(buffer);
    return gestureDetector.onTouchEvent(event);
  }
  return super.onTouchEvent(widget, buffer, event);
}

源代码14 项目： EhViewer 文件： LinkMovementMethod2.java

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 = areatop + widget.getHeight() - padding;

    int linetop = layout.getLineForVertical(areatop);
    int linebot = layout.getLineForVertical(areabot);

    int first = layout.getLineStart(linetop);
    int last = layout.getLineEnd(linebot);

    ClickableSpan[] candidates = buffer.getSpans(first, last, ClickableSpan.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) {
        if (buffer.getSpanStart(FROM_BELOW) >= 0) {
            selStart = selEnd = buffer.length();
        }
    }

    if (selStart > last)
        selStart = selEnd = Integer.MAX_VALUE;
    if (selEnd < first)
        selStart = selEnd = -1;

    switch (what) {
        case CLICK:
            if (selStart == selEnd) {
                return false;
            }

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

            if (link.length != 1)
                return false;

            link[0].onClick(widget);
            break;

        case UP:
            int beststart, bestend;

            beststart = -1;
            bestend = -1;

            for (int i = 0; i < candidates.length; i++) {
                int end = buffer.getSpanEnd(candidates[i]);

                if (end < selEnd || selStart == selEnd) {
                    if (end > bestend) {
                        beststart = buffer.getSpanStart(candidates[i]);
                        bestend = end;
                    }
                }
            }

            if (beststart >= 0) {
                Selection.setSelection(buffer, bestend, beststart);
                return true;
            }

            break;

        case DOWN:
            beststart = Integer.MAX_VALUE;
            bestend = Integer.MAX_VALUE;

            for (int i = 0; i < candidates.length; i++) {
                int start = buffer.getSpanStart(candidates[i]);

                if (start > selStart || selStart == selEnd) {
                    if (start < beststart) {
                        beststart = start;
                        bestend = buffer.getSpanEnd(candidates[i]);
                    }
                }
            }

            if (bestend < Integer.MAX_VALUE) {
                Selection.setSelection(buffer, beststart, bestend);
                return true;
            }

            break;
    }

    return false;
}

源代码15 项目： android_9.0.0_r45 文件： LinkMovementMethod.java

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

        if (links.length != 0) {
            ClickableSpan link = links[0];
            if (action == MotionEvent.ACTION_UP) {
                if (link instanceof TextLinkSpan) {
                    ((TextLinkSpan) link).onClick(
                            widget, TextLinkSpan.INVOCATION_METHOD_TOUCH);
                } else {
                    link.onClick(widget);
                }
            } else if (action == MotionEvent.ACTION_DOWN) {
                if (widget.getContext().getApplicationInfo().targetSdkVersion
                        >= Build.VERSION_CODES.P) {
                    // Selection change will reposition the toolbar. Hide it for a few ms for a
                    // smoother transition.
                    widget.hideFloatingToolbar(HIDE_FLOATING_TOOLBAR_DELAY_MS);
                }
                Selection.setSelection(buffer,
                        buffer.getSpanStart(link),
                        buffer.getSpanEnd(link));
            }
            return true;
        } else {
            Selection.removeSelection(buffer);
        }
    }

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

源代码16 项目： iBeebo 文件： LongClickableLinkMovementMethod.java

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 = areatop + widget.getHeight() - padding;

    int linetop = layout.getLineForVertical(areatop);
    int linebot = layout.getLineForVertical(areabot);

    int first = layout.getLineStart(linetop);
    int last = layout.getLineEnd(linebot);

    MyURLSpan[] candidates = 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) {
        if (buffer.getSpanStart(FROM_BELOW) >= 0) {
            selStart = selEnd = buffer.length();
        }
    }

    if (selStart > last) {
        selStart = selEnd = Integer.MAX_VALUE;
    }
    if (selEnd < first) {
        selStart = selEnd = -1;
    }

    switch (what) {
        case CLICK:
            if (selStart == selEnd) {
                return false;
            }

            MyURLSpan[] link = buffer.getSpans(selStart, selEnd, MyURLSpan.class);

            if (link.length != 1) {
                return false;
            }

            link[0].onClick(widget);
            break;

        case UP:
            int best_start = -1;
            int best_end = -1;

            for (MyURLSpan candidate1 : candidates) {
                int end = buffer.getSpanEnd(candidate1);

                if (end < selEnd || selStart == selEnd) {
                    if (end > best_end) {
                        best_start = buffer.getSpanStart(candidate1);
                        best_end = end;
                    }
                }
            }

            if (best_start >= 0) {
                Selection.setSelection(buffer, best_end, best_start);
                return true;
            }

            break;

        case DOWN:
            best_start = Integer.MAX_VALUE;
            best_end = Integer.MAX_VALUE;

            for (MyURLSpan candidate : candidates) {
                int start = buffer.getSpanStart(candidate);

                if (start > selStart || selStart == selEnd) {
                    if (start < best_start) {
                        best_start = start;
                        best_end = buffer.getSpanEnd(candidate);
                    }
                }
            }

            if (best_end < Integer.MAX_VALUE) {
                Selection.setSelection(buffer, best_start, best_end);
                return true;
            }

            break;
    }

    return false;
}

源代码17 项目： RichText 文件： LongClickableLinkMovementMethod.java

@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);

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

        if (link.length != 0) {
            long currTime = System.currentTimeMillis();
            LongClickableSpan l = link[0];
            int ls = buffer.getSpanStart(l);
            int le = buffer.getSpanEnd(l);
            // 判断点击的点是否在Image范围内
            ClickableImageSpan[] is = buffer.getSpans(ls, le, ClickableImageSpan.class);
            if (is.length > 0) {
                if (!is[0].clicked(x)) {
                    Selection.removeSelection(buffer);
                    return false;
                }
            } else if (off < layout.getOffsetToLeftOf(ls) || off > layout.getOffsetToLeftOf(le + 1)) {
                // 判断点击位置是否在链接范围内
                Selection.removeSelection(buffer);
                return false;
            }

            if (action == MotionEvent.ACTION_UP) {
                // 如果按下时间超过５００毫秒，触发长按事件
                if (currTime - lastTime > MIN_INTERVAL) {
                    if (!l.onLongClick(widget)) {
                        // onLongClick返回false代表事件未处理，交由onClick处理
                        l.onClick(widget);
                    }
                } else {
                    l.onClick(widget);
                }
            } else {
                Selection.setSelection(buffer,
                        ls, le);
            }
            lastTime = currTime;
            return true;
        } else {
            Selection.removeSelection(buffer);
            return false;
        }
    }

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

源代码18 项目： Nimingban 文件： LinkMovementMethod2.java

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 = areatop + widget.getHeight() - padding;

    int linetop = layout.getLineForVertical(areatop);
    int linebot = layout.getLineForVertical(areabot);

    int first = layout.getLineStart(linetop);
    int last = layout.getLineEnd(linebot);

    ClickableSpan[] candidates = buffer.getSpans(first, last, ClickableSpan.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) {
        if (buffer.getSpanStart(FROM_BELOW) >= 0) {
            selStart = selEnd = buffer.length();
        }
    }

    if (selStart > last)
        selStart = selEnd = Integer.MAX_VALUE;
    if (selEnd < first)
        selStart = selEnd = -1;

    switch (what) {
        case CLICK:
            if (selStart == selEnd) {
                return false;
            }

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

            if (link.length != 1)
                return false;

            link[0].onClick(widget);
            break;

        case UP:
            int beststart, bestend;

            beststart = -1;
            bestend = -1;

            for (int i = 0; i < candidates.length; i++) {
                int end = buffer.getSpanEnd(candidates[i]);

                if (end < selEnd || selStart == selEnd) {
                    if (end > bestend) {
                        beststart = buffer.getSpanStart(candidates[i]);
                        bestend = end;
                    }
                }
            }

            if (beststart >= 0) {
                Selection.setSelection(buffer, bestend, beststart);
                return true;
            }

            break;

        case DOWN:
            beststart = Integer.MAX_VALUE;
            bestend = Integer.MAX_VALUE;

            for (int i = 0; i < candidates.length; i++) {
                int start = buffer.getSpanStart(candidates[i]);

                if (start > selStart || selStart == selEnd) {
                    if (start < beststart) {
                        beststart = start;
                        bestend = buffer.getSpanEnd(candidates[i]);
                    }
                }
            }

            if (bestend < Integer.MAX_VALUE) {
                Selection.setSelection(buffer, beststart, bestend);
                return true;
            }

            break;
    }

    return false;
}

源代码19 项目： FoldText_Java 文件： MyLinkMovementMethod.java

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 = areaTop + widget.getHeight() - padding;

    int lineTop = layout.getLineForVertical(areaTop);
    int lineBot = layout.getLineForVertical(areaBot);

    int first = layout.getLineStart(lineTop);
    int last = layout.getLineEnd(lineBot);

    ClickableSpan[] candidates = buffer.getSpans(first, last, ClickableSpan.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) {
        if (buffer.getSpanStart(FROM_BELOW) >= 0) {
            selStart = selEnd = buffer.length();
        }
    }

    if (selStart > last)
        selStart = selEnd = Integer.MAX_VALUE;
    if (selEnd < first)
        selStart = selEnd = -1;

    switch (what) {
    case CLICK:
        if (selStart == selEnd) {
            return false;
        }

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

        if (link.length != 1)
            return false;

        link[0].onClick(widget);
        break;

    case UP:
        int bestStart, bestEnd;

        bestStart = -1;
        bestEnd = -1;

        for (int i = 0; i < candidates.length; i++) {
            int end = buffer.getSpanEnd(candidates[i]);

            if (end < selEnd || selStart == selEnd) {
                if (end > bestEnd) {
                    bestStart = buffer.getSpanStart(candidates[i]);
                    bestEnd = end;
                }
            }
        }

        if (bestStart >= 0) {
            Selection.setSelection(buffer, bestEnd, bestStart);
            return true;
        }

        break;

    case DOWN:
        bestStart = Integer.MAX_VALUE;
        bestEnd = Integer.MAX_VALUE;

        for (int i = 0; i < candidates.length; i++) {
            int start = buffer.getSpanStart(candidates[i]);

            if (start > selStart || selStart == selEnd) {
                if (start < bestStart) {
                    bestStart = start;
                    bestEnd = buffer.getSpanEnd(candidates[i]);
                }
            }
        }

        if (bestEnd < Integer.MAX_VALUE) {
            Selection.setSelection(buffer, bestStart, bestEnd);
            return true;
        }

        break;
    }

    return false;
}

源代码20 项目： NewFastFrame 文件： CustomMoveMethod.java

@Override
        public boolean onTouchEvent(TextView widget, Spannable text, MotionEvent event) {
                int action = event.getAction();
                switch (action) {
                        case MotionEvent.ACTION_DOWN:
//                                                这里得到的x ,  y值只是相对于屏幕的位置
                                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 location = layout.getOffsetForHorizontal(layout.getLineForVertical(y), x);
                                clickableSpans = text.getSpans(location, location, ClickableSpan.class);
                                if (clickableSpans.length > 0) {
                                        isClickTextView = false;
                                        LogUtil.e("点击clickSpan位置");
//                                                        选中点击位置
//                                        Selection.setSelection(text, text.getSpanStart(clickableSpans[0]), text.getSpanEnd(clickableSpans[0]));
                                        text.setSpan(colorSpan = new BackgroundColorSpan(selectedColor), text.getSpanStart(clickableSpans[0]), text.getSpanEnd(clickableSpans[0]), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
                                        return true;
                                } else {
                                        isClickTextView = true;
                                }
                                break;
                        case MotionEvent.ACTION_MOVE:
                                break;
                        case MotionEvent.ACTION_UP:
                                if (clickableSpans.length > 0) {
                                        LogUtil.e("点击span的up11");
//                                                        设置点击时间
                                        clickableSpans[0].onClick(widget);
                                        text.removeSpan(colorSpan);
//                                        Selection.removeSelection(text);
                                        return true;
                                } else {
                                        LogUtil.e("点击textView文字的up11");
                                }
                                break;
                        default:
                                if (colorSpan != null) {
                                        text.removeSpan(colorSpan);
//                                        Selection.removeSelection(text);
                                        return true;
                                }
                                break;
                }
                return super.onTouchEvent(widget, text, event);
        }

方法所在类

android.widget.TextView