Java ClickableSpan在EditText中指向文本末尾调用click()指向行尾
我有一个EditText和TextWatcher,在其中我检查模式以确定在何处创建ClickableSpansJava ClickableSpan在EditText中指向文本末尾调用click()指向行尾,java,android,android-edittext,clickablespan,Java,Android,Android Edittext,Clickablespan,我有一个EditText和TextWatcher,在其中我检查模式以确定在何处创建ClickableSpans private void checkSpans(){ Matcher matcher = Pattern.compile("(^|[ \\t\\n])#\\w+").matcher(text); while (matcher.find()) { BlueClickableSpan[] spans = getText().getSpans(matcher.
private void checkSpans(){
Matcher matcher = Pattern.compile("(^|[ \\t\\n])#\\w+").matcher(text);
while (matcher.find()) {
BlueClickableSpan[] spans = getText().getSpans(matcher.start(), matcher.end(), BlueClickableSpan.class);
for (BlueClickableSpan span : spans) {
text.removeSpan(span);
}
text.setSpan(new BlueClickableSpan(),
matcher.start(),
matcher.end(),
Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
}
}
这是我的定制Span类
private class BlueClickableSpan extends ClickableSpan {
@Override
public void onClick(View view) {
Spanned s = getText();
int start = s.getSpanStart(this);
int end = s.getSpanEnd(this);
String clickedString = s.subSequence(start, end).toString().trim();
if (onSpanClick != null)
onSpanClick.onClick(clickedString);
}
@Override
public void updateDrawState(TextPaint ds) {
ds.setColor(ContextCompat.getColor(IdeaFlowApp.getAppContext(), R.color.main_blue));
}
}
问题是,当我用一个span结束我的文本时,它后面没有字符,我在它后面点击,它仍然算作点击span,并调用onClick。正因为如此,我无法将光标放在跨度的正后方继续编辑。但是,如果我打印任何符号,即使是空格在跨度之后,我可以很容易地将光标放在跨度之后,一切正常。如果在可点击范围之后没有符号,有没有办法修复edittext中的点击?我在回答中找到了解决问题的方法。 但是带跨距的多行文本存在一些问题,所以我做了一些调整:
public class MovementMethod extends LinkMovementMethod {
@Override
public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
int action = event.getAction();
if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_DOWN) {
int x = (int) event.getX();
int y = (int) event.getY();
x -= widget.getTotalPaddingLeft();
y -= widget.getTotalPaddingTop();
x += widget.getScrollX();
y += widget.getScrollY();
Layout layout = getLayout();
int line = layout.getLineForVertical(y);
int off = layout.getOffsetForHorizontal(line, x);
int lineLength = line;
String[] lines = getText().toString().split("\n");
for (int i = 0; i <= line; i++) {
lineLength += lines[i].length();
}
if (off >= lineLength) {
// Return true so click won't be triggered in the leftover empty space
return true;
}
}
return super.onTouchEvent(widget, buffer, event);
}
}
public类MovementMethod扩展了LinkMovementMethod{
@凌驾
公共布尔onTouchEvent(TextView小部件、可扩展缓冲区、MotionEvent事件){
int action=event.getAction();
if(action==MotionEvent.action|u UP | action==MotionEvent.action|u DOWN){
int x=(int)event.getX();
int y=(int)event.getY();
x-=widget.getTotalAddingleft();
y-=widget.getTotalAddingTop();
x+=widget.getScrollX();
y+=widget.getScrollY();
Layout=getLayout();
int line=layout.getLineForVertical(y);
int off=layout.getOffsetForHorizontal(直线,x);
int lineLength=直线;
字符串[]行=getText().toString().split(“\n”);
对于(int i=0;i=lineLength){
//返回true,这样就不会在剩余的空白处触发单击
返回true;
}
}
返回super.onTouchEvent(小部件、缓冲区、事件);
}
}
也许不是最漂亮的多行解决方案,但它对我很有效。我也有类似的问题,它对我很有帮助。可能是重复的