private void refitText()

in app/src/main/java/com/google/reviewit/widget/MaxFontSizeTextView.java [103:146]

• 36 lines of code
• 11 McCabe index (conditional complexity)

  private void refitText(CharSequence text, int textWidth) {
    if (textWidth <= 0) {
      return;
    }
    int width = textWidth - getPaddingLeft() - getPaddingRight();

    paint.set(getPaint());

    // TODO works only for monospace font
    String longestLine = null;
    for (String line : text.toString().split("\n")) {
      if (longestLine != null && line.length() <= longestLine.length()) {
        continue;
      }
      longestLine = line;
    }
    if (longestLine == null) {
      return;
    }

    if (Float.valueOf(minTextSize).equals(maxTextSize)) {
      setTextSize(TypedValue.COMPLEX_UNIT_PX, minTextSize);
      return;
    }

    if (maxLineLength > 0 && longestLine.length() > maxLineLength) {
      longestLine = longestLine.substring(0, maxLineLength);
    }

    float high = maxTextSize;
    float low = minTextSize;
    while ((high - low) > THRESHOLD) {
      float size = (high + low) / 2;
      paint.setTextSize(size);
      if (paint.measureText(longestLine) >= width) {
        // font size too big
        high = size;
      } else {
        // font size too small
        low = size;
      }
    }
    setTextSize(TypedValue.COMPLEX_UNIT_PX, low);
  }