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Android Reference

LeadingMarginSpan


android.text.style

Interface LeadingMarginSpan

    • Nested Class Summary

      Nested Classes
      Modifier and Type Interface and Description
      static interface LeadingMarginSpan.LeadingMarginSpan2
      An extended version of LeadingMarginSpan, which allows the implementor to specify the number of lines of text to which this object is attached that the "first line of paragraph" margin width will be applied to.
      static class LeadingMarginSpan.Standard
      The standard implementation of LeadingMarginSpan, which adjusts the margin but does not do any rendering.
    • Method Summary

      Methods
      Modifier and Type Method and Description
      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)
      Renders the leading margin.
      int getLeadingMargin(boolean first)
      Returns the amount by which to adjust the leading margin.
    • Method Detail

      • getLeadingMargin

        int getLeadingMargin(boolean first)
        Returns the amount by which to adjust the leading margin. Positive values move away from the leading edge of the paragraph, negative values move towards it.
        Parameters:
        first - true if the request is for the first line of a paragraph, false for subsequent lines
        Returns:
        the offset for the margin.
      • drawLeadingMargin

        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)
        Renders the leading margin. This is called before the margin has been adjusted by the value returned by getLeadingMargin(boolean).
        Parameters:
        c - the canvas
        p - the paint. The this should be left unchanged on exit.
        x - the current position of the margin
        dir - the base direction of the paragraph; if negative, the margin is to the right of the text, otherwise it is to the left.
        top - the top of the line
        baseline - the baseline of the line
        bottom - the bottom of the line
        text - the text
        start - the start of the line
        end - the end of the line
        first - true if this is the first line of its paragraph
        layout - the layout containing this line


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