ListPopupWindow

 

宽度一般是控件的宽度: mListPopupWindow.setAnchorView(compoundButton);

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check_down.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {           @Override           public void onCheckedChanged(CompoundButton compoundButton, boolean b) {               mListPopupWindow.setAnchorView(compoundButton);               if(b) {                   mListPopupWindow.show();               }else{                   mListPopupWindow.dismiss();               }           }       });

　　

 

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private void initDialog(){        final String itmes[]={"第一个子项","第二个子项","第三个子项"};        mListPopupWindow=new ListPopupWindow(getActivity());        mListPopupWindow.setAdapter(new ArrayAdapter<String>(getActivity(),R.layout.print_pop_item, itmes));        mListPopupWindow.setOnItemClickListener(new OnItemClickListener() {            @Override            public void onItemClick(AdapterView<?> arg0, View arg1, int position, long arg3) {                Toast.makeText(getActivity(), "点击了"+itmes[position], Toast.LENGTH_SHORT).show();            }        });    }

　　

 

print_pop_item.xml

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<?xml version="1.0" encoding="utf-8"?>     <TextView         xmlns:android="http://schemas.android.com/apk/res/android"         android:id="@+id/btn"         android:layout_width="match_parent"         android:layout_height="wrap_content"         />