package com.usai.apex; import java.net.URISyntaxException; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import com.usai.util.dbUtil; import android.app.AlertDialog; import android.app.Dialog; import android.app.AlertDialog.Builder; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; import android.graphics.Color; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.ListFragment; import android.text.format.DateFormat; import android.util.Log; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.MotionEvent; import android.view.View; import android.view.ViewGroup; import android.view.View.OnTouchListener; import android.widget.BaseAdapter; import android.widget.Button; import android.widget.ListView; import android.widget.SimpleAdapter; import android.widget.TextView; public class FavoritesFragment extends ListFragment implements OnTouchListener { SearchResult searchresult = new SearchResult(); BaseAdapter adapter = null; private int pointX, pointY, endX, endY; private int position, newpos; private Button curDel_btn; @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); adapter = new FavoritesAdapter(searchresult, getActivity()); getListView().setOnTouchListener(this); setListAdapter(adapter); // this.getListView().setBackgroundColor(Color.WHITE); } @Override public void onListItemClick(ListView l, View v, int position, long id) { Intent intent = new Intent(); // SQLiteDatabase db = dbUtil.OpenDB(getActivity(), null, false); // Cursor c = db.query("favorites", new String[] // {"params"},"_id="+searchresult.getData().get(position).get("_id"),null, // null, null, null); // if(c.moveToNext()) // { String uri = (String) searchresult.getData().get(position) .get("params"); try { intent = Intent.parseUri(uri, 0); startActivity(intent); } catch (URISyntaxException e) { // TODO Auto-generated catch block e.printStackTrace(); } // intent.setclass // } // // searchresult.getData().get(position).put("read", (long) 1);// // .get("_id") // dbUtil.CloseCursor(c); // dbUtil.CloseDB(db); // adapter.notifyDataSetChanged(); // super.onListItemClick(l, v, position, id); // // // Log.i("FragmentList", "Item clicked: " + id); // Intent intent = new Intent(); // intent.putExtra("s_id", (String) searchresult.getData().get(position) // .get("s_id")); // intent.putExtra("e_id", (String) searchresult.getData().get(position) // .get("e_id")); // intent.putExtra("msgcount", (Long) // searchresult.getData().get(position) // .get("msgcount")); // // intent.setClass(this, MessageDetailActivity.class); } private class FavoritesAdapter extends BaseAdapter { private LayoutInflater mInflater; // 动态布局映射 // private SearchResult result; // private Context context; // private int i = 0; public FavoritesAdapter(SearchResult result, Context context) { // this.result = result; this.mInflater = LayoutInflater.from(context); SQLiteDatabase db = dbUtil.OpenDB(getActivity(), null, false); Cursor cursor = db.query("favorites", new String[] { "_id", "create_time", "name", "params" }, "user='" + ApexTrackingApplication.get_user() + "'", null, null, null, "_id desc", null); result.add_records(cursor); dbUtil.CloseCursor(cursor); dbUtil.CloseDB(db); // this.result = result; // // this.context = context; // this.mInflater = LayoutInflater.from(context); } @Override public View getView(int position, View convertView, ViewGroup parent) { // TODO Auto-generated method stub convertView = mInflater.inflate(R.layout.message_list_item, null);// 根据布局文件实例化view TextView message = (TextView) convertView .findViewById(R.id.tv_message);// 找某个控件 message.setText(searchresult.getData().get(position).get("name") .toString());// 给该控件设置数据(数据从集合类中来) TextView time = (TextView) convertView.findViewById(R.id.tv_time); time.setText(DateFormat.format( getString(R.string.time_format), (Long) searchresult.getData().get(position) .get("create_time"))); return convertView; } @Override public int getCount() { return searchresult.get_count(); } @Override public Object getItem(int position) { // TODO Auto-generated method stub return null; } @Override public long getItemId(int position) { // TODO Auto-generated method stub return 0; } } class SearchResult { List> datalist = new ArrayList>(); public int get_count() { return datalist.size(); } public void add_records(Cursor c) { while (c.moveToNext()) { long _id = c.getInt(0); long create_time = c.getLong(1); String name = c.getString(2); String params = c.getString(3); Map map = new HashMap(); map.put("_id", _id); map.put("create_time", create_time); map.put("name", name); map.put("params", params); datalist.add(map); } } public List> getData() { return datalist; } } @Override public boolean onTouch(View v, MotionEvent event) { switch (event.getAction()) { case MotionEvent.ACTION_DOWN: System.out.println("====>>>>>>>>>>>>>>ACTION_DOWN" + MotionEvent.ACTION_DOWN); // 手指按下,计算焦点位于ListView的那个条目 pointX = (int) event.getX(); pointY = (int) event.getY(); // 备注1 position = getListView().pointToPosition(pointX, pointY); if (curDel_btn != null) { curDel_btn.setVisibility(View.GONE); } break; case MotionEvent.ACTION_MOVE: break; case MotionEvent.ACTION_UP: System.out.println("====>>>>>>>>>>>>>>ACTION_UP" + MotionEvent.ACTION_UP); endX = (int) event.getX(); endY = (int) event.getY(); newpos = getListView().pointToPosition(endX, endY); // 原本想着加上这个条件（newpos==position）是不是更精确些， // 经过实践发现，其实我们在滑动listView的列表的时候有时候更渴望有滑动就ok if (Math.abs(endX - pointX) > 100 && newpos == position && Math.abs(endY - pointY) < 100) { // 获取到ListView第一个可见条目的position int firstVisiblePosition = getListView() .getFirstVisiblePosition(); // --------------备注2 View view = getListView().getChildAt( position - firstVisiblePosition); Button delbtn = (Button) view.findViewById(R.id.btn_del); delbtn.setVisibility(View.VISIBLE); curDel_btn = delbtn; delbtn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub SQLiteDatabase db = dbUtil.OpenDB(getActivity(), null, false); db.execSQL("delete from favorites where _id=" + (Long) searchresult.getData() .get(position).get("_id")); Log.d("sql delete" + position, "delete from push_message where _id=" + (Long) searchresult.getData() .get(position).get("_id")); dbUtil.CloseDB(db); searchresult.getData().remove(position); adapter.notifyDataSetChanged(); } }); } break; default: break; } return false; } }