Java “显示”;阅读更多“;在文本的结尾处工作不正常
我想在几行文字之后添加“阅读更多”功能。我已向该解决方案提供商咨询 以下是我的代码的结果: 单击“阅读更多”之前: 单击“阅读更多”后: 出现了两个问题:Java “显示”;阅读更多“;在文本的结尾处工作不正常,java,android,textview,expandable,Java,Android,Textview,Expandable,我想在几行文字之后添加“阅读更多”功能。我已向该解决方案提供商咨询 以下是我的代码的结果: 单击“阅读更多”之前: 单击“阅读更多”后: 出现了两个问题: 1.我想将最大行数设置为5行,但“阅读更多”文本下降到第6行 2.单击“阅读更多”按钮之前,第一行以“xeo”结尾,但单击“阅读更多”按钮之后,第一行以“xeoh”结尾 以下是我的代码: /** * Make Text View Resizable * @param maxLine Max Line * @param exp
1.我想将最大行数设置为5行,但“阅读更多”文本下降到第6行
2.单击“阅读更多”按钮之前,第一行以“xeo”结尾,但单击“阅读更多”按钮之后,第一行以“xeoh”结尾 以下是我的代码:
/**
* Make Text View Resizable
* @param maxLine Max Line
* @param expandText Expand Text
* @param viewMore Is View More
*/
private void makeTextViewResizable(final int maxLine, final String expandText, final boolean viewMore) {
if (mTextMessageContentText.getTag() == null) {
mTextMessageContentText.setTag(mTextMessageContentText.getText());
}
ViewTreeObserver vto = mTextMessageContentText.getViewTreeObserver();
vto.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@SuppressWarnings("deprecation")
@Override
public void onGlobalLayout() {
ViewTreeObserver obs = mTextMessageContentText.getViewTreeObserver();
obs.removeGlobalOnLayoutListener(this);
if (maxLine == 0) {
int lineEndIndex = mTextMessageContentText.getLayout().getLineEnd(0);
String text = mTextMessageContentText.getText().subSequence(0, lineEndIndex - expandText.length() + 1) + " " + expandText;
mTextMessageContentText.setText(text);
mTextMessageContentText.setMovementMethod(LinkMovementMethod.getInstance());
mTextMessageContentText.setText(
addClickablePartTextViewResizable(mTextMessageContentText.getText().toString(), maxLine, expandText,
viewMore), TextView.BufferType.SPANNABLE);
} else if (maxLine > 0 && mTextViewLineCount >= maxLine) {
int lineEndIndex = mTextMessageContentText.getLayout().getLineEnd(maxLine - 1);
String text = mTextMessageContentText.getText().subSequence(0, lineEndIndex - expandText.length() + 1) + " " + expandText;
mTextMessageContentText.setText(text);
mTextMessageContentText.setMovementMethod(LinkMovementMethod.getInstance());
mTextMessageContentText.setText(addClickablePartTextViewResizable(mTextMessageContentText.getText().toString(), maxLine, expandText,
viewMore), TextView.BufferType.SPANNABLE);
} else {
int lineEndIndex = mTextMessageContentText.getLayout().getLineEnd(mTextViewLineCount - 1);
String text = mTextMessageContentText.getText().subSequence(0, lineEndIndex) + " " + expandText;
mTextMessageContentText.setText(text);
mTextMessageContentText.setMovementMethod(LinkMovementMethod.getInstance());
mTextMessageContentText.setText(
addClickablePartTextViewResizable(mTextMessageContentText.getText().toString(), lineEndIndex, expandText,
viewMore), TextView.BufferType.SPANNABLE);
}
}
});
}
/**
* Add Clickable Part Text View Resizable
* @param stringSpanned String Spanned
* @param maxLine Maximium Line
* @param spannableText Spannable Text
* @param viewMore Is View More
* @return Sapnnable String Builder
*/
private SpannableStringBuilder addClickablePartTextViewResizable(final String stringSpanned, final int maxLine, final String spannableText, final boolean viewMore) {
String str = stringSpanned.toString();
SpannableStringBuilder ssb = new SpannableStringBuilder(stringSpanned);
if (str.contains(spannableText)) {
ssb.setSpan(new TextViewClickableSpan(ActivityChatMessageInfo.this, false, R.color.primary_text_color){
@Override
public void onClick(View widget) {
if (viewMore) {
mTextMessageContentText.setLayoutParams(mTextMessageContentText.getLayoutParams());
mTextMessageContentText.setText(mTextMessageContentText.getTag().toString(), TextView.BufferType.SPANNABLE);
mTextMessageContentText.invalidate();
makeTextViewResizable(-1, "", false);
} else {
mTextMessageContentText.setLayoutParams(mTextMessageContentText.getLayoutParams());
mTextMessageContentText.setText(mTextMessageContentText.getTag().toString(), TextView.BufferType.SPANNABLE);
mTextMessageContentText.invalidate();
makeTextViewResizable(maxLine, getString(R.string.caption_chat_media_slider_read_more), true);
}
}
}, str.indexOf(spannableText), str.indexOf(spannableText) + spannableText.length(), 0);
}
return ssb;
}
请给我一些建议