Example usage for android.text Layout getLineLeft

Introduction

In this page you can find the example usage for android.text Layout getLineLeft.

Prototype

public float getLineLeft(int line) 

Source Link

Document

Get the leftmost position that should be exposed for horizontal scrolling on the specified line.

Usage

From source file:org.telegram.ui.ChatActivity.java

private boolean spanClicked(ListView list, View view, int textViewId) {
    final TextView widget = (TextView) view.findViewById(textViewId);
    if (widget == null) {
        return false;
    }//from  w  w w  .  ja v  a 2 s.  c o m
    try {
        list.offsetRectIntoDescendantCoords(widget, mLastTouch);
        int x = mLastTouch.right;
        int y = mLastTouch.bottom;

        x -= widget.getTotalPaddingLeft();
        y -= widget.getTotalPaddingTop();
        x += widget.getScrollX();
        y += widget.getScrollY();

        final Layout layout = widget.getLayout();
        if (layout == null) {
            return false;
        }
        final int line = layout.getLineForVertical(y);
        final int off = layout.getOffsetForHorizontal(line, x);

        final float left = layout.getLineLeft(line);
        if (left > x || left + layout.getLineWidth(line) < x) {
            return false;
        }

        final Editable buffer = new SpannableStringBuilder(widget.getText());
        if (buffer == null) {
            return false;
        }
        final ClickableSpan[] link = buffer.getSpans(off, off, ClickableSpan.class);

        if (link.length == 0) {
            return false;
        }

        link[0].onClick(widget);
        return true;
    } catch (Exception e) {
        FileLog.e("tmessages", e);
        return false;
    }
}

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