package?com.example.ff.myapplication; import?android.app.Activity; import?android.os.Bundle; import?android.util.Log; import?android.view.View; import?android.view.ViewTreeObserver; import?android.widget.AbsListView; import?android.widget.AdapterView; import?android.widget.ArrayAdapter; import?android.widget.ListView; import?android.widget.SimpleAdapter; import?android.widget.Toast; import?java.util.ArrayList; import?java.util.HashMap; import?java.util.List; import?java.util.Map; public?class?TextView?extends?Activity?implements?AdapterView.OnItemClickListener,ViewTreeObserver.OnScrollChangedListener,?AbsListView.OnScrollListener?{ ????private?ListView?listView; ????private?SimpleAdapter?Sim_adapter; ????private?List<Map<String,Object>>?datalist; ????@Override ????protected?void?onCreate(Bundle?savedInstanceState)?{ ????????super.onCreate(savedInstanceState); ????????setContentView(R.layout.textview); ????????listView=?(ListView)?findViewById(R.id.listView); ????????datalist=new?ArrayList<Map<String,?Object>>();???????? ????????Sim_adapter=new?SimpleAdapter(this,getData(),R.layout.item,new?String[]{"pic","text"},new?int[]{R.id.pic,R.id.text_list}); ????????listView.setAdapter(Sim_adapter); ????????listView.setOnItemClickListener(this); ????????listView.setOnScrollListener(this); ????} ????private?List<Map<String,Object>>?getData(){ ????????for?(int?i=0;i<20;i++){ ????????????Map<String,?Object>map=new?HashMap<String,Object>(); ????????????map.put("pic",R.mipmap.ic_launcher); ????????????map.put("text","慕課網"+i); ????????????datalist.add(map); ????????} ????????return?datalist; ????} ????@Override ????public?void?onItemClick(AdapterView<?>?parent,?View?view,?int?position,?long?id)?{ ????????String?text=listView.getItemAtPosition(position)+""; ????????Toast.makeText(this,"postion="+position+"?text="+text,Toast.LENGTH_LONG).show(); ????} ????@Override ????public?void?onScrollChanged()?{ ????} ????@Override ????public?void?onScrollStateChanged(AbsListView?view,?int?scrollState)?{ ????????switch?(scrollState){ ????????????case?SCROLL_STATE_FLING: ????????????????Log.i("main",?"用戶在手指離開屏幕之前，用力劃一下，視圖仍依靠慣性繼續滑動"); ????????????????break; ????????????case?SCROLL_STATE_IDLE: ????????????????Log.i("main","視圖已經停止滑動"); ????????????????break; ????????????case?SCROLL_STATE_TOUCH_SCROLL: ????????????????Log.i("main",?"手指沒有離開屏幕，視圖正在滑動"); ????????} ????} ????@Override ????public?void?onScroll(AbsListView?view,?int?firstVisibleItem,?int?visibleItemCount,?int?totalItemCount)?{ ????} }