Android：TextView显示3行，超出显示...+全文_baidu_24743861的博客

public class TextViewSpanUtil {

    /**
     * 设置textView结尾...后面显示的文字和颜色
     *
     * @param context    上下文
     * @param textView   textview
     * @param minLines   最少的行数
     * @param originText 原文本
     * @param endText    结尾文字
     * @param endColorID 结尾文字颜色id
     * @param isExpand   当前是否是展开状态
     */
    public static void toggleEllipsize(final Context context,
                                       final TextView textView,
                                       final int minLines,
                                       final String originText,
                                       final String endText,
                                       final int endColorID,
                                       final boolean isExpand) {
        if (TextUtils.isEmpty(originText)) {
            return;
        }
        textView.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver
                .OnGlobalLayoutListener() {
            @Override
            public void onGlobalLayout() {
                if (isExpand) {
                    textView.setText(originText);
                } else {
                    int paddingLeft = textView.getPaddingLeft();
                    int paddingRight = textView.getPaddingRight();
                    TextPaint paint = textView.getPaint();
                    float moreText = textView.getTextSize() * endText.length();
                    float availableTextWidth = (textView.getWidth() - paddingLeft - paddingRight) *
                            minLines - moreText - 20;
                    CharSequence ellipsizeStr = TextUtils.ellipsize(originText, paint,
                            availableTextWidth, TextUtils.TruncateAt.END);
                    if (ellipsizeStr.length() < originText.length()) {
                        CharSequence temp = ellipsizeStr + endText;
                        SpannableStringBuilder ssb = new SpannableStringBuilder(temp);
                        ssb.setSpan(new ForegroundColorSpan(context.getResources().getColor
                                        (endColorID)),
                                temp.length() - endText.length(), temp.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
                        textView.setText(ssb);
                    } else {
                        textView.setText(originText);
                    }
                }
                if (Build.VERSION.SDK_INT >= 16) {
                    textView.getViewTreeObserver().removeOnGlobalLayoutListener(this);
                } else {
                    textView.getViewTreeObserver().removeGlobalOnLayoutListener(this);
                }
            }
        });
    }
}public class TextViewSpanUtil {

    /**
     *