5
final SpannableStringBuilder sb = new SpannableStringBuilder();
TextView tv = createContactTextView(contactName);
BitmapDrawable bd = (BitmapDrawable) convertViewToDrawable(tv);
bd.setBounds(0, 0, bd.getIntrinsicWidth(),bd.getIntrinsicHeight());
sb.append(contactName + ",");
sb.setSpan(new ImageSpan(bd), sb.length()-(contactName.length()+1), sb.length()- 1,Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
to_input.setText(sb);
public static Object convertViewToDrawable(View view) {
int spec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
view.measure(spec, spec);
view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight());
Bitmap b = Bitmap.createBitmap(view.getMeasuredWidth(), view.getMeasuredHeight(),
Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(b);
c.translate(-view.getScrollX(), -view.getScrollY());
view.draw(c);
view.setDrawingCacheEnabled(true);
Bitmap cacheBmp = view.getDrawingCache();
Bitmap viewBmp = cacheBmp.copy(Bitmap.Config.ARGB_8888, true);
view.destroyDrawingCache();
return new BitmapDrawable(viewBmp);
}
public TextView createContactTextView(String text){
//creating textview dynamically
TextView tv = new TextView(this);
tv.setText(text);
tv.setTextSize(20);
tv.setBackgroundResource(R.drawable.oval);
tv.setCompoundDrawablesWithIntrinsicBounds(0, 0, R.drawable.ic_clear_search_api_holo_light, 0);
tv.setOnTouchListener(new OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
Drawable co = ((TextView) v).getCompoundDrawables()[2];
if (event.getX() > v.getMeasuredWidth() - v.getPaddingRight()
- co.getIntrinsicWidth()) {
//tv.setText("");
Log.i(TAG, "clicked on delete button");
return true;
} else {
return false;
}
}
});
return tv;
}
它将在editText里面创建带有文本的Spans但是我想删除范围点击该范围内的删除按钮。我为它编写了代码“tv.setOnTouchListener(new OnTouchListener(){................”in createContactTextView function but not not working。 }在editText中点击其删除按钮删除元素范围
我要找一样的...请分享代码如果你已经找到解决方案... – VijayRaj
当然,它的确如此不是。文本视图不直接使用。 TextView有一个OnTouchListener,但是只显示文本视图的位图后,不再有EventListner。 – Servus7