PopupWindow+listItem 泡泡效果

 
package com.my;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnTouchListener;
import android.view.animation.Animation;
import android.view.animation.TranslateAnimation;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.BaseAdapter;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.PopupWindow;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.TextView;
import android.widget.Toast;

public class PopupwindowFoListItemActivity extends Activity implements OnItemClickListener {
    String[] data;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        initData();
        setContentView(initView());
    }

    private void initData() {
        data = new String[40];
        for (int i = 0; i < data.length; i++) {
            data[i] = "item" + i;
        }
    }

    private LinearLayout initView() {
        LinearLayout linearLayout = new LinearLayout(this);
        ListView listView = new ListView(this);
        listView.setAdapter(new MyAdapter());
        listView.setOnItemClickListener(this);
        //设置listview的触摸监听事件 当用户触摸 Popupwindow窗口以外的东西时 Popwindow隐藏
        listView.setOnTouchListener(new View.OnTouchListener() {
           
            @Override
            public boolean onTouch(View v, MotionEvent event) {
                Log.d("dbug","onTouch");
                if(popupWindow!=null&&popupWindow.isShowing())
                {                   
                    popupWindow.dismiss();
                    popupWindow =null;
                } 
                return false;
            }
        });
        linearLayout.addView(listView);
        return linearLayout;
    }

    PopupWindow popupWindow;   
    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        Toast.makeText(this,""+position,Toast.LENGTH_SHORT).show();
        LinearLayout layout = (LinearLayout)View.inflate(this, R.layout.main, null);
        if (popupWindow == null) {
            popupWindow = new PopupWindow(layout);
            popupWindow.showAtLocation(view, Gravity.NO_GRAVITY, 0, 0);
            //设置窗口的宽度和高度
            popupWindow.setWidth(view.getWidth());
            popupWindow.setHeight(view.getHeight());
            // // requestWindowFeature(Window.FEATURE_NO_TITLE);没有标题时： int y =
            // view.getTop()+38;
            // // 当requestWindowFeature()为默认值时：int y = view.getTop()+75;
            // //当设置为全屏时int y = view.getTop();由此title部分为75-38=37 title上面部分为38
            //得到窗口y轴的值
            int y = view.getTop() + 75;
            //设置窗口的动画
           popupWindow.setAnimationStyle(R.style.AnimationPreview);
//            popupWindow.setFocusable(true); 
            popupWindow.update(0, y, view.getWidth(), view.getHeight()); 
          
        } else {
            popupWindow.dismiss();
            popupWindow = null;
        }
    }

    class MyAdapter extends BaseAdapter {

        @Override
        public int getCount() {
            // TODO Auto-generated method stub
            return data.length;
        }

        @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;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            LinearLayout linearLayout = (LinearLayout)View.inflate(PopupwindowFoListItemActivity.this,R.layout.listitem, null);
            TextView textView =(TextView)linearLayout.findViewById(R.id.tv1);
            textView.setText(data[position]);
            return linearLayout;
        }
    }
}

评论

1 楼 lixiaolongxuexi 2011-10-22  

好像有点问题哦。