标签：style io color ar os sp java div on
public
class
ListAdapter extends
BaseAdapter { private
Context mContext; private
View mLastView; private
int
mLastPosition; private
int
mLastVisibility; public
ListAdapter(Context context) { this.mContext
= context; mLastPosition
= -1; } @Override public
int
getCount() { return
30; } @Override public
Object getItem(int
position) { return
null; } @Override public
long
getItemId(int
position) { return
0; } @Override public
View getView(int
position, View convertView, ViewGroup parent) { Holder
holder; if(convertView
== null
) { LayoutInflater
inflater = LayoutInflater.from(mContext); convertView
= inflater.inflate(R.layout.list_item, null); holder
=new
Holder(); holder.textView
= (TextView)convertView.findViewById(R.id.textView); holder.UEFAView
= (ImageView)convertView.findViewById(R.id.image_uefa); holder.mascotView
= (ImageView)convertView.findViewById(R.id.image_mascot); holder.hint
= convertView.findViewById(R.id.hint_image); convertView.setTag(holder); }
else
{ holder
= (Holder) convertView.getTag(); } if(mLastPosition
== position){ holder.hint.setVisibility(mLastVisibility); }else{ holder.hint.setVisibility(View.GONE); } holder.textView.setText("Hello,It
is "
+ position); return
convertView; } class
Holder { TextView
textView; ImageView
UEFAView; ImageView
mascotView; View
hint; } public
void
changeImageVisable(View view,int
position) { if(mLastView
!= null
&& mLastPosition != position ) { Holder
holder = (Holder) mLastView.getTag(); switch(holder.hint.getVisibility())
{ case
View.VISIBLE: holder.hint.setVisibility(View.GONE); mLastVisibility
= View.GONE; break; default
: break; } } mLastPosition
= position; mLastView
= view; Holder
holder = (Holder) view.getTag(); switch(holder.hint.getVisibility())
{ case
View.GONE: holder.hint.setVisibility(View.VISIBLE); mLastVisibility
= View.VISIBLE; break; case
View.VISIBLE: holder.hint.setVisibility(View.GONE); mLastVisibility
= View.GONE; break; } }}
|
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public
class
ListViewTestActivity extends
Activity implements
OnItemClickListener{ private
ListView mListView; private
ListAdapter mAdapter; @Override public
void
onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mListView
= (ListView)findViewById(R.id.list); mAdapter
= new
ListAdapter(this); mListView.setAdapter(mAdapter); mListView.setOnItemClickListener(this); } @Override public
void
onItemClick(AdapterView<?> parent, View view, int
position, long
id) { mAdapter.changeImageVisable(view,
position); }
} |
标签：style io color ar os sp java div on
原文地址：http://blog.csdn.net/luo446718254/article/details/41084423
