有没有可能在TextView的某个部分添加onclick事件?例如,我的代码如下:
String content = "Hello this a test.. For more details contact @Peter";
someTextView.setText(content);
我想为“@Peter”添加一个onClick事件,这可行吗?谢谢。
SpannableString link = makeLinkSpan("@Peter", new View.OnClickListener() {
@Override
public void onClick(View v) {
// Peforme Click
}
});
String content = "Hello this a test.. For more details contact";
someTextView.setText(content);
someTextView.append(link);
makeLinkSpan()
方法是:
private SpannableString makeLinkSpan(CharSequence text, View.OnClickListener listener) {
SpannableString link = new SpannableString(text);
link.setSpan(new ClickableString(listener), 0, text.length(),
SpannableString.SPAN_INCLUSIVE_EXCLUSIVE);
return link;
}
ClickableString
Class
private static class ClickableString extends ClickableSpan {
private View.OnClickListener mListener;
public ClickableString(View.OnClickListener listener) {
mListener = listener;
}
@Override
public void onClick(View v) {
mListener.onClick(v);
}
}
感谢@user370305的回答。然而,他的回答中遗漏了一些代码片段。为了使其他人受益,我将粘贴整个对我有效的代码:
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
TextView someTextView = (TextView)findViewById(R.id.someTextView);
String content = "Hello this a test.. For more details contact";
someTextView.setText(content);
SpannableString link = makeLinkSpan("@Peter", new View.OnClickListener() {
@Override
public void onClick(View v) {
//Do something here..
}
});
someTextView.append(link);
}
makeLinksFocusable(someTextView);
}
private void makeLinksFocusable(TextView tv) {
MovementMethod m = tv.getMovementMethod();
if ((m == null) || !(m instanceof LinkMovementMethod)) {
if (tv.getLinksClickable()) {
tv.setMovementMethod(LinkMovementMethod.getInstance());
}
}
}
private SpannableString makeLinkSpan(CharSequence text, View.OnClickListener listener) {
SpannableString link = new SpannableString(text);
link.setSpan(new ClickableString(listener), 0, text.length(),
SpannableString.SPAN_INCLUSIVE_EXCLUSIVE);
return link;
}
private static class ClickableString extends ClickableSpan {
private View.OnClickListener mListener;
public ClickableString(View.OnClickListener listener) {
mListener = listener;
}
@Override
public void onClick(View v) {
mListener.onClick(v);
}
}
android:clickable="true"
在你的Activity中使用如下代码:textView.setOnClickListener(new View.OnClickListener(){
public void onClick(){
}
}
someTextView.setOnClickListener(new View.OnClickListener(){
public void onClick(){
//Do Stuff
}
});
但首先请确保您将其设置为可点击。
someTextView.setClickable(true);
onclick
,而不是对整个TextView进行操作。 - Naveen试试这个:
SpannableString str = new SpannableString("@Peter");
str.setSpan(new ClickableSpan() {
@Override
public void onClick(View widget) {
// TODO Auto-generated method stub
}
}, 0, str.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
然后将str
附加到您的TextView上。
您还需要在TextView上调用setMovementMethod(LinkMovementMethod.getInstance());
onclick
还是只给**@Peter**添加? - Renjithonclick
添加代码。 - Naveen