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(wǎng)"+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(xù)滑動");
????????????????break;
????????????case?SCROLL_STATE_IDLE:
????????????????Log.i("main","視圖已經(jīng)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)?{
????}
}
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