@Override
public boolean onOptionsItemSelected(MenuItem item) {
  float limit = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 25, getResources().getDisplayMetrics());
  // Handle item selection
  switch (item.getItemId()) {
    case R.id.menu_action_refresh:
      if (ratingBar1.getStarsSeparation() <= limit) {
        ratingBar1.setStarsSeparation(ratingBar1.getStarsSeparation(Dimension.DP) + 4, Dimension.DP);
        ratingBar2.setStarsSeparation(ratingBar2.getStarsSeparation(Dimension.DP) + 4, Dimension.DP);
        ratingBar3.setStarsSeparation(ratingBar3.getStarsSeparation(Dimension.DP) + 4, Dimension.DP);
        ratingBar4.setStarsSeparation(ratingBar4.getStarsSeparation(Dimension.DP) + 4, Dimension.DP);
        ratingBar5.setStarsSeparation(ratingBar5.getStarsSeparation(Dimension.DP) + 4, Dimension.DP);
      } else {
        ratingBar1.setStarsSeparation(4, Dimension.DP);
        ratingBar2.setStarsSeparation(6, Dimension.DP);
        ratingBar3.setStarsSeparation(8, Dimension.DP);
        ratingBar4.setStarsSeparation(10, Dimension.DP);
        ratingBar5.setStarsSeparation(12, Dimension.DP);
      }
      return false;
    default:
      return super.onOptionsItemSelected(item);
  }
}
 

/**
 * Set the padding between the target bounds and the rectangle edge.
 *
 * @param padding The distance from the target edge to the rectangle edge.
 * @return This prompt focal.
 */
@NonNull
public RectanglePromptFocal setTargetPadding(@Dimension final float padding)
{
    mPadding = padding;
    return this;
}
 

public void setDotNormalSize(@Dimension int dotNormalSize) {
    mDotNormalSize = dotNormalSize;

    for (int i = 0; i < sDotCount; i++) {
        for (int j = 0; j < sDotCount; j++) {
            mDotStates[i][j] = new DotState();
            mDotStates[i][j].mSize = mDotNormalSize;
        }
    }

    invalidate();
}
 

/**
 * How much of the button must the user swipe to trigger the OnSwipeListener successfully
 *
 * @param swipeDistance float from 0.0 to 1.0 where 1.0 means user must swipe the button fully from end to end. Default is 0.85.
 */
public void setSwipeDistance(@Dimension float swipeDistance) {
    if (swipeDistance > 1.0f) {
        swipeDistance = 1.0f;
    }
    if (swipeDistance < 0.0f) {
        swipeDistance = 0.0f;
    }
    this.swipeDistance = swipeDistance;
}
 

/**
 * Converts dps to pixels nicely.
 *
 * @param context the Context for getting the resources
 * @param dp      dimension in dps
 * @return dimension in pixels
 */
protected static int dpToPixel(@NonNull Context context, @Dimension(unit = DP) float dp) {
    Resources resources = context.getResources();
    DisplayMetrics metrics = resources.getDisplayMetrics();

    try {
        return (int) (dp * metrics.density);
    } catch (NoSuchFieldError ignored) {
        return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, metrics);
    }
}
 

public DefaultItemDecoration(@ColorInt int backgroundColor,
                             @ColorInt int dividerColor,
                             @Dimension int middlePaddingLeft) {
    mBackgroundPaint = new Paint();
    mBackgroundPaint.setColor(backgroundColor);
    mDividerPaint = new Paint();
    mDividerPaint.setColor(dividerColor);

    mPaddingLeft = middlePaddingLeft;
}
 

/**
 * 设置viewpager间距
 * @param viewPagerMargin 单位dp
 */
public void setViewPagerMargin(@Dimension int viewPagerMargin) {
    this.mViewPagerMargin = viewPagerMargin;
    if (mViewPager != null) {
        mViewPager.setPageMargin(XBannerUtils.dp2px(getContext(), viewPagerMargin));
    }
}
 

/**
 * Parses attributes defined in XML.
 */
private void parseAttrs(AttributeSet attrs) {
  TypedArray arr = getContext().obtainStyledAttributes(attrs, R.styleable.SimpleRatingBar);

  borderColor = arr.getColor(R.styleable.SimpleRatingBar_srb_borderColor, getResources().getColor(R.color.srb_golden_stars));
  fillColor = arr.getColor(R.styleable.SimpleRatingBar_srb_fillColor, borderColor);
  starBackgroundColor = arr.getColor(R.styleable.SimpleRatingBar_srb_starBackgroundColor, Color.TRANSPARENT);
  backgroundColor = arr.getColor(R.styleable.SimpleRatingBar_srb_backgroundColor, Color.TRANSPARENT);

  pressedBorderColor = arr.getColor(R.styleable.SimpleRatingBar_srb_pressedBorderColor, borderColor);
  pressedFillColor = arr.getColor(R.styleable.SimpleRatingBar_srb_pressedFillColor, fillColor);
  pressedStarBackgroundColor = arr.getColor(R.styleable.SimpleRatingBar_srb_pressedStarBackgroundColor, starBackgroundColor);
  pressedBackgroundColor = arr.getColor(R.styleable.SimpleRatingBar_srb_pressedBackgroundColor, backgroundColor);

  numberOfStars = arr.getInteger(R.styleable.SimpleRatingBar_srb_numberOfStars, 5);

  starsSeparation = arr.getDimensionPixelSize(R.styleable.SimpleRatingBar_srb_starsSeparation, (int)valueToPixels(4, Dimension.DP));
  maxStarSize = arr.getDimensionPixelSize(R.styleable.SimpleRatingBar_srb_maxStarSize, Integer.MAX_VALUE);
  desiredStarSize = arr.getDimensionPixelSize(R.styleable.SimpleRatingBar_srb_starSize, Integer.MAX_VALUE);
  stepSize = arr.getFloat(R.styleable.SimpleRatingBar_srb_stepSize, 0.1f);
  starBorderWidth = arr.getFloat(R.styleable.SimpleRatingBar_srb_starBorderWidth, 5f);
  starCornerRadius = arr.getFloat(R.styleable.SimpleRatingBar_srb_starCornerRadius, 6f);

  rating = normalizeRating(arr.getFloat(R.styleable.SimpleRatingBar_srb_rating, 0f));
  isIndicator = arr.getBoolean(R.styleable.SimpleRatingBar_srb_isIndicator, false);
  drawBorderEnabled = arr.getBoolean(R.styleable.SimpleRatingBar_srb_drawBorderEnabled, true);
  gravity = Gravity.fromId(arr.getInt(R.styleable.SimpleRatingBar_srb_gravity, Gravity.Left.id));

  arr.recycle();

  validateAttrs();
}
 

/**
 * Convenience method to convert a value in the given dimension to pixels.
 * @param value
 * @param dimen
 * @return
 */
private float valueToPixels(float value, @Dimension int dimen) {
  switch (dimen) {
    case Dimension.DP:
      return applyDimension(COMPLEX_UNIT_DIP, value, getResources().getDisplayMetrics());
    case Dimension.SP:
      return applyDimension(COMPLEX_UNIT_SP, value, getResources().getDisplayMetrics());
    default:
      return value;
  }
}
 

/**
 * Convenience method to convert a value from pixels to the given dimension.
 * @param value
 * @param dimen
 * @return
 */
private float valueFromPixels(float value, @Dimension int dimen) {
  switch (dimen) {
    case Dimension.DP:
      return value / getResources().getDisplayMetrics().density;
    case Dimension.SP:
      return value / getResources().getDisplayMetrics().scaledDensity;
    default:
      return value;
  }
}
 

private void addTag(String tagName, int id, ViewGroup column, int color) {
    ToggleButton tagButton = new ToggleButton(this);
    if(color != -1) {
        LinearLayout colorBox = new LinearLayout(this);
        // Convert the dps to pixels, based on density scale
        final int tagPaddingPx = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
                1, getResources().getDisplayMetrics());
        final int tagPaddingPxBottom = (int) TypedValue.applyDimension(TypedValue
                .COMPLEX_UNIT_DIP,
                3, getResources().getDisplayMetrics());
        //use a GradientDrawable with only one color set, to make it a solid color
        colorBox.setBackgroundResource(R.drawable.tag_round_corner);
        GradientDrawable gradientDrawable = (GradientDrawable) colorBox.getBackground();
        gradientDrawable.setColor(color);
        LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(ViewGroup.LayoutParams
                .MATCH_PARENT,
                ViewGroup.LayoutParams.WRAP_CONTENT);
        params.setMargins(tagPaddingPx,tagPaddingPx,tagPaddingPx,tagPaddingPxBottom);
        colorBox.setLayoutParams(params);
        colorBox.addView(tagButton);
        column.addView(colorBox);
    } else {
        column.addView(tagButton);
    }
    tagButton.setTextOff(tagName);
    tagButton.setTextOn(tagName);
    boolean isChecked = checkedTags.contains(id);
    tagButton.setChecked(isChecked);
    if(isChecked) {
        tagButton.setTextColor(selectedColor);
    }
    tagButton.setOnCheckedChangeListener(new TagStateListener(id, checkedTags));
    tagButton.setMinHeight(0);
    tagButton.setMinimumHeight(0);
    tagButton.setTextSize(Dimension.SP, 12);
    tagButton.setEnabled(record == null || record.getUploadId().isEmpty());
    tagButton.setLayoutParams(new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
            ViewGroup.LayoutParams.WRAP_CONTENT));
    tagButton.invalidate();
}
 

@Dimension
public float getTextSize() {
    return mTextPaint.getTextSize();
}
 

public void setTextSize(@Dimension float size) {
    mTextPaint.setTextSize(size);
    updateTextBounds();
    invalidate();
}
 

@Dimension
public float getStrokeWidth() {
    return mStrokePaint.getStrokeWidth();
}
 

public void setStrokeWidth(@Dimension float width) {
    mStrokePaint.setStrokeWidth(width);
    invalidate();
}
 

public void setPathWidth(@Dimension int pathWidth) {
    mPathWidth = pathWidth;

    initView();
    invalidate();
}
 

public void setDotSelectedSize(@Dimension int dotSelectedSize) {
    mDotSelectedSize = dotSelectedSize;
}
 

@NonNull
public CirclePatternCell.Builder setRadius(@Dimension final float radius) {
    mRadius = radius;
    return this;
}
 

@NonNull
public CirclePatternCell.Builder setStrokeWidth(@Dimension final float strokeWidth) {
    mStrokeWidth = strokeWidth;
    return this;
}
 

@NonNull
public DotPatternCell.Builder setRadius(@Dimension final float radius) {
    mRadius = radius;
    return this;
}
 

@Dimension
public float getFingerPrintStatusTextSize() {
    return mBoxFingerprint.getStatusTextSize();
}
 

public void setFingerPrintStatusTextSize(@Dimension final float statusTextSize) {
    mBoxFingerprint.setStatusTextSize(statusTextSize);
    invalidate();
}
 

@Dimension
public abstract float getIndicatorWidth();
 

@NonNull
public CircleIndicator.Builder setIndicatorRadius(@Dimension final float indicatorRadius) {
    mIndicatorRadius = indicatorRadius;
    return this;
}
 

@NonNull
public CircleIndicator.Builder setIndicatorStrokeWidth(@Dimension final float indicatorStrokeWidth) {
    mIndicatorStrokeWidth = indicatorStrokeWidth;
    return this;
}
 

@Dimension
@Override
public float getIndicatorWidth() {
    return mIndicatorRadius;
}
 

@NonNull
public DotIndicator.Builder setIndicatorRadius(@Dimension final float indicatorRadius) {
    mIndicatorRadius = indicatorRadius;
    return this;
}
 

@Dimension
@Override
public float getIndicatorWidth() {
    return mIndicatorRadius;
}
 

@NonNull
public Builder setKeyPadding(@Dimension final float keyPadding) {
    mKeyPadding = keyPadding;
    return this;
}
 

@NonNull
public RoundKey.Builder setKeyPadding(@Dimension final float keyPadding) {
    mKeyPadding = keyPadding;
    return this;
}