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1.设置可滑动、不同颜色
(1)xml文件textview设置可滑动及滑动方向:
android:scrollbars="vertical"
(2)java文件初始化之后设置:
mMessageShow = (TextView) view.findViewById(R.id.manager_add_show);
mMessageShow.setMovementMethod(ScrollingMovementMethod.getInstance());
(3)设置颜色可以采用HTML嵌入的方式:(要严格遵守HTML规范,否则样式设置不了)
if (!isOk) {
// 特殊给红色
message = "<font color='#FF1E00'>" + message + "</font>";
time = "<font color='#FF1E00'>" + time + " </font>";
}
mMessageShow.append(Html.fromHtml(time));
mMessageShow.append(Html.fromHtml(message.replace("\n", "<br />")));
mMessageShow.append("\n");
(4)设置每次更新都显示最新:
Layout layout = mMessageShow.getLayout();
if (null == layout) return;
int scrollAmount = (int) layout.getLineTop(mMessageShow.getLineCount())
- mMessageShow.getHeight();
scrollAmount = scrollAmount > 0 ? scrollAmount : 0;
mMessageShow.scrollTo(0, scrollAmount);
2.显示特殊字符> <等,编译报错直接用ASCII码。比如:>应该换成>