spannablestring | 易学教程

How to make RelativeSizeSpan align to top

阅读更多关于 How to make RelativeSizeSpan align to top

问题 I have the following String RM123.456 . I would like to Make RM relatively smaller Make RM aligned to top exactly I almost able to achieve it by using spannableString.setSpan(new RelativeSizeSpan(0.50f), 0, index, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); textView.setText(spannableString, TextView.BufferType.SPANNABLE); The outcome looks like However, it is aligned to the bottom. It doesn't align to the top. I try to use SuperscriptSpan . It looks like It doesn't do what I want as SuperscriptSpan

Issue with handling click on Expandable textview

阅读更多关于 Issue with handling click on Expandable textview

问题 I have an expandable text view which has a "view more " option. To which i can specify maxChars to be shown instead of maxLine. I have made some modification to the code present here: Detect if TextVIew is ellipsized before layout is shown My requirement is that if chars ==200 show the text as it is.. if maxChars > 200 then show "see more" option. Once the text is expanded(hide "view more" text), if user clicks on the text anywhereit should compress again with displaying 200 chars with "view

How do I change color of a certain part of my textview?

阅读更多关于 How do I change color of a certain part of my textview?

问题 I am using 2 parts in a textview, 1st part is date another is name and email. They are both referenced in the same textview. I would like to change the color of the date to give it a different visual it from name and email. is it possible to do this without actually adding a whole new textview for name and email? Here's my code so far: String nameandemail; holder.mytext.setText(String.valueOf(dateFormat.format(new Date(msg.getDate())) + " " + nameandemail + ": ")); How do I make it such that

How do I change color of a certain part of my textview?

阅读更多关于 How do I change color of a certain part of my textview?

TextView with ImageSpan messes up line height

阅读更多关于 TextView with ImageSpan messes up line height

问题 I have a TextView filled with text that should contain some ImageSpan objects. The images can be taller than the normal line height which causes the following problem: if the image is the last object of a line, the following lines' height is correct if the last object is not an image, the following lines' height is set to the image-containing line's height Here is the correct situation: This is the wrong situation: What's more interesting is that if there's a new-line character in the text,

Spannable String Error

阅读更多关于 Spannable String Error

问题 I am trying to display some text in an alert dialog box as a hyperlink. Part of the process requires me to use SpannableString to format some text. The problem is that my application experiences a runtime error on the SpannableString part of my code. TextView Tv= (TextView) findViewById(R.id.textView3); SpannableString s = new SpannableString("www.google.com"); Linkify.addLinks(s, Linkify.WEB_URLS); Tv.setText(s); Tv.setMovementMethod(LinkMovementMethod.getInstance()); I looked in the DDMS

SpannableString regex in a ListView

阅读更多关于 SpannableString regex in a ListView

问题 I have a ListView that I'm binding a collection of strings to, using a custom adapter. I'm also underlining certain keywords in the text. I'm using a SpannableString and a regular expression to underline the words, but I'm wondering if this is the most efficient way to do it? I'm noticing a lot of allocations in the Allocation Tracker of the java.util.regex.Matcher and the regex.util.regex.Pattern classes, which may be causing memory leaks in my app. I know regex's can be expensive, but I'm

android：TextView中的文本链接之--点击链接跳转总结（2种方法+2个实例应用）

阅读更多关于 android：TextView中的文本链接之--点击链接跳转总结（2种方法+2个实例应用）

【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> 最近做了一些东西，涉及到比较重要些的技术点有：TextView正则匹配、文本链接、点击链接页面跳转，外加一个链接文本去掉默认的下划线。其实大部分都是从技术文档上学到的，应用了一下。便于以后查看，特别总结一下。如有更好的方法意见，望指点。一、重写ClickableSpan类，点击跳转，并去掉默认的下划线 If an object of this type is attached to the text of a TextView with a movement method of LinkMovementMethod, the affected spans of text can be selected. If clicked, the onClick(View) method will be called. 默认超链接都带下划线的，重写ClickableSpan 去掉下划线： private class MyClickSpan extends ClickableSpan { String text; public NoLineClickSpan(String text) { super(); this.text = text; } @Override public void updateDrawState

TextView 组件本身可以显示URL，EMAIL等特殊信息，这些特殊信息都会以连接形式显示...

阅读更多关于 TextView 组件本身可以显示URL，EMAIL等特殊信息，这些特殊信息都会以连接形式显示...

【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> public class AndrodTActivity extends Activity implements OnClickListener { TextView tv_; TextView tv1; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); // 点击tv1时，让其跳转到我们自定义的位置使用android.text.style.ClickableSpan类可以自定义单击URL连接的动作。 tv_ = (TextView) findViewById(R.id.tv_); String text = tv_.getText().toString(); SpannableString span = new SpannableString(text); span.setSpan(new ClickableSpan() { @Override public void onClick(View widget) { Toast.makeText(getApplicationContext(), "hello

Picture in spannable edittext display twice

阅读更多关于 Picture in spannable edittext display twice

问题 I have a review system which allows to add text and upload picture via imgur. When I display the review, the pic displays twice, I don't understant why. here is the part of the code: public class ReviewListAdapter extends BaseAdapter { ... public View getView(int position, View convertView, ViewGroup parent) { .... ViewHolder holder; if (convertView == null) { convertView = inflater.inflate(R.layout.list_item, null); holder = new ViewHolder(convertView); } else { holder = (ViewHolder)