android.text.Layout.getLineTop()方法的使用及代码示例

x33g5p2x  于2022-01-23 转载在 其他  
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本文整理了Java中android.text.Layout.getLineTop()方法的一些代码示例，展示了Layout.getLineTop()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Layout.getLineTop()方法的具体详情如下：
包路径：android.text.Layout
类名称：Layout
方法名：getLineTop

Layout.getLineTop介绍

暂无

代码示例

代码示例来源：origin: Manabu-GT/ExpandableTextView

private static int getRealTextViewHeight(@NonNull TextView textView) {
  int textHeight = textView.getLayout().getLineTop(textView.getLineCount());
  int padding = textView.getCompoundPaddingTop() + textView.getCompoundPaddingBottom();
  return textHeight + padding;
}

代码示例来源：origin: jaydenxiao2016/AndroidFire

/**
 * 获取内容tv真实高度（含padding）
 * @param textView
 * @return
 */
private static int getRealTextViewHeight( TextView textView) {
  int textHeight = textView.getLayout().getLineTop(textView.getLineCount());
  int padding = textView.getCompoundPaddingTop() + textView.getCompoundPaddingBottom();
  return textHeight + padding;
}

代码示例来源：origin: nickbutcher/plaid

currentStartRunLeft = (int) (startMax ? startLayoutMaxLines
    .getPrimaryHorizontal(i) : startLayout.getPrimaryHorizontal(i));
currentStartRunTop = startLayout.getLineTop(startLine);
currentEndLine = endLine;
currentEndRunLeft = (int) (endMax ? endLayoutMaxLines
    .getPrimaryHorizontal(i) : endLayout.getPrimaryHorizontal(i));
currentEndRunTop = endLayout.getLineTop(endLine);

代码示例来源：origin: stackoverflow.com

Layout layout = edit.getLayout();
int topLine = layout.getLineTop(22);

代码示例来源：origin: stackoverflow.com

new Handler().postDelayed(new Runnable() {
   @Override
   public void run() {
     page.setSelection(pos, pos2);
     Layout layout = page.getLayout();
     scroll.scrollTo(0, layout.getLineTop(layout.getLineForOffset(pos2)));           }
     }, 500);

代码示例来源：origin: stackoverflow.com

Layout layout = textView.getLayout();
scrollView.scrollTo(0, layout.getLineTop(layout.getLineForOffset(startPos)));

代码示例来源：origin: stackoverflow.com

@Override
   public void afterTextChanged(Editable editable) {
     new Handler().postDelayed(new Runnable() {
       @Override
       public void run() {
         Layout layout = textView.getLayout();
         if (layout != null) {
           int lineTop = layout.getLineTop(textView.getLineCount());
           final int scrollAmount = lineTop + textView.getPaddingTop()
               + textView.getPaddingBottom() - textView.getBottom() + textView.getTop();
           if (scrollAmount > 0) {
             textView.scrollBy(0, scrollAmount);
           } else {
             textView.scrollTo(0, 0);
           }
         }
       }
     }, 1000L);
   }

代码示例来源：origin: 121880399/QuickMvp

public void drawLeadingMargin(final Canvas c, final Paint p, int x, final int dir,
               final int top, final int baseline, final int bottom,
               final CharSequence text, final int start, final int end,
               final boolean first, final Layout layout) {
  int st = ((Spanned) text).getSpanStart(this);
  int itop = layout.getLineTop(layout.getLineForOffset(st));
  if (dir < 0)
    x -= mBitmap.getWidth();
  int delta = totalHeight - mBitmap.getHeight();
  if (delta > 0) {
    if (mVerticalAlignment == ALIGN_TOP) {
      c.drawBitmap(mBitmap, x, itop, p);
    } else if (mVerticalAlignment == ALIGN_CENTER) {
      c.drawBitmap(mBitmap, x, itop + delta / 2, p);
    } else {
      c.drawBitmap(mBitmap, x, itop + delta, p);
    }
  } else {
    c.drawBitmap(mBitmap, x, itop, p);
  }
}

代码示例来源：origin: yoyiyi/bilisoleil

public void drawLeadingMargin(Canvas c, Paint p, int x, int dir,
               int top, int baseline, int bottom,
               CharSequence text, int start, int end,
               boolean first, Layout layout) {
  int st = ((Spanned) text).getSpanStart(this);
  int itop = layout.getLineTop(layout.getLineForOffset(st));
  if (dir < 0)
    x -= mBitmap.getWidth();
  int delta = totalHeight - mBitmap.getHeight();
  if (delta > 0) {
    if (mVerticalAlignment == ALIGN_TOP) {
      c.drawBitmap(mBitmap, x, itop, p);
    } else if (mVerticalAlignment == ALIGN_CENTER) {
      c.drawBitmap(mBitmap, x, itop + delta / 2, p);
    } else {
      c.drawBitmap(mBitmap, x, itop + delta, p);
    }
  } else {
    c.drawBitmap(mBitmap, x, itop, p);
  }
}

代码示例来源：origin: huangweicai/OkLibDemo

public void drawLeadingMargin(final Canvas c, final Paint p, int x, final int dir,
               final int top, final int baseline, final int bottom,
               final CharSequence text, final int start, final int end,
               final boolean first, final Layout layout) {
  int st = ((Spanned) text).getSpanStart(this);
  int itop = layout.getLineTop(layout.getLineForOffset(st));
  if (dir < 0)
    x -= mBitmap.getWidth();
  int delta = totalHeight - mBitmap.getHeight();
  if (delta > 0) {
    if (mVerticalAlignment == ALIGN_TOP) {
      c.drawBitmap(mBitmap, x, itop, p);
    } else if (mVerticalAlignment == ALIGN_CENTER) {
      c.drawBitmap(mBitmap, x, itop + delta / 2, p);
    } else {
      c.drawBitmap(mBitmap, x, itop + delta, p);
    }
  } else {
    c.drawBitmap(mBitmap, x, itop, p);
  }
}

代码示例来源：origin: square1-io/rich-text-android

public void drawLeadingMargin(Canvas c,
               Paint p,
               int x,
               int dir,
               int top,
               int baseline,
               int bottom,
               CharSequence text,
               int start,
               int end,
               boolean first,
               Layout layout) {
  int st = ((Spanned) text).getSpanStart(this);
  int itop = layout.getLineTop(layout.getLineForOffset(st));
  if (dir < 0) {
    x -= getBitmapW();
  }
  if(mQuoteSign != null) {
    Rect rect = new Rect();
    rect.left = (int)(x + mSignLeftPadding);
    rect.top =  (int)(itop + mSignTopPadding);
    rect.right = rect.left + mQuoteSign.getIntrinsicWidth();
    rect.bottom = rect.top + mQuoteSign.getIntrinsicHeight();
    mQuoteSign.setBounds(rect);
    mQuoteSign.draw(c);
    //c.drawBitmap(mQuoteSign, x + mSignLeftPadding, itop + mSignTopPadding, p);
  }
}

代码示例来源：origin: whyalwaysmea/BigBoom

/**
 * 获取TextView真正的高度
 *
 * @param textView
 * @return
 */
private static int getRealTextViewHeight(@NonNull TextView textView) {
  int textHeight = textView.getLayout().getLineTop(textView.getLineCount());
  int padding = textView.getCompoundPaddingTop() + textView.getCompoundPaddingBottom();
  return textHeight + padding;
}

代码示例来源：origin: chaychan/PowerfulViewLibrary

/**
 * 获取内容tv真实高度（含padding）
 * @param textView
 * @return
 */
private static int getRealTextViewHeight( TextView textView) {
  int textHeight = textView.getLayout().getLineTop(textView.getLineCount());
  int padding = textView.getCompoundPaddingTop() + textView.getCompoundPaddingBottom();
  return textHeight + padding;
}

代码示例来源：origin: baidu/speech-samples

private void scrollLog(String message) {
  Spannable colorMessage = new SpannableString(message + "\n");
  colorMessage.setSpan(new ForegroundColorSpan(0xff0000ff), 0, message.length(),
      Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
  mShowText.append(colorMessage);
  Layout layout = mShowText.getLayout();
  if (layout != null) {
    int scrollAmount = layout.getLineTop(mShowText.getLineCount()) - mShowText.getHeight();
    if (scrollAmount > 0) {
      mShowText.scrollTo(0, scrollAmount + mShowText.getCompoundPaddingBottom());
    } else {
      mShowText.scrollTo(0, 0);
    }
  }
}

代码示例来源：origin: allenz8512/AndroidAppLog

@Override
  public void afterTextChanged(final Editable s) {
    final int scrollAmount = getLayout().getLineTop(getLineCount())
        - getHeight();
    if (scrollAmount > 0) {
      scrollTo(0, scrollAmount);
    } else {
      scrollTo(0, 0);
    }
  }
});

代码示例来源：origin: hencoder/PracticeDraw5

@Override
  protected void onDraw(Canvas canvas) {
    Layout layout = getLayout();
    bounds.left = layout.getLineLeft(1);
    bounds.right = layout.getLineRight(1);
    bounds.top = layout.getLineTop(1);
    bounds.bottom = layout.getLineBottom(1);
    canvas.drawRect(bounds, paint);
    bounds.left = layout.getLineLeft(layout.getLineCount() - 4);
    bounds.right = layout.getLineRight(layout.getLineCount() - 4);
    bounds.top = layout.getLineTop(layout.getLineCount() - 4);
    bounds.bottom = layout.getLineBottom(layout.getLineCount() - 4);
    canvas.drawRect(bounds, paint);

    super.onDraw(canvas);
  }
}

代码示例来源：origin: redfish64/TinyTravelTracker

@Override
  public void draw(Canvas canvas) {
    final Layout layout = getLayout();
    final RectF rect = mRect;
    final int left = getCompoundPaddingLeft();
    final int top = getExtendedPaddingTop();

    rect.set(left + layout.getLineLeft(0) - PADDING_H,
         top + layout.getLineTop(0) - PADDING_V,
         Math.min(left + layout.getLineRight(0) + PADDING_H,
             getScrollX() + getRight() - getLeft()),
         top + layout.getLineBottom(0) + PADDING_V);
    canvas.drawRoundRect(rect, CORNER_RADIUS, CORNER_RADIUS, mPaint);

    super.draw(canvas);
  }
}

代码示例来源：origin: hencoder/PracticeDraw5

@Override
  protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    // 把下面的绘制代码移到 super.onDraw() 的上面，就可以让原主体内容盖住你的绘制代码了
    // （或者你也可以把 super.onDraw() 移到这段代码的下面）
    Layout layout = getLayout();
    bounds.left = layout.getLineLeft(1);
    bounds.right = layout.getLineRight(1);
    bounds.top = layout.getLineTop(1);
    bounds.bottom = layout.getLineBottom(1);
    canvas.drawRect(bounds, paint);
    bounds.left = layout.getLineLeft(layout.getLineCount() - 3);
    bounds.right = layout.getLineRight(layout.getLineCount() - 3);
    bounds.top = layout.getLineTop(layout.getLineCount() - 3);
    bounds.bottom = layout.getLineBottom(layout.getLineCount() - 3);
    canvas.drawRect(bounds, paint);
  }
}

代码示例来源：origin: MCMrARM/revolution-irc

private void showDropDown() {
  updatePopupAnchor();
  int h = Math.min(mCommandAdapter.getItemCount() * mPopupItemHeight, mMaxPopupHeight);
  if (!mPopupWindow.isShowing()) {
    mPopupWindow.setWidth(getWidth());
    mPopupWindow.setHeight(h);
    mPopupWindow.showAsDropDown(mPopupAnchor, 0,
        getLayout().getLineTop(getLayout().getLineForOffset(getSelectionStart())));
  } else {
    mPopupWindow.update(mPopupAnchor, getWidth(), h);
  }
}

代码示例来源：origin: MCMrARM/revolution-irc

textViewStart.getLocationOnScreen(mTmpLocation2);
outRect.top = mTmpLocation2[1] - mTmpLocation[1];
outRect.top += textViewStart.getLayout().getLineTop(lineStart);

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