package com.downselect;
import java.util.ArrayList;
import android.R.array;
import android.app.Activity;
import android.graphics.Color;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.PopupWindow;
import android.widget.TextView;
public class MainActivity
extends Activity
implements OnClickListener {
private EditText edittext;
private ImageView select;
private ArrayList<String> list =
new ArrayList<String>
();
private ListView listview;
private int popupheight=300
;
private PopupWindow popup;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
initView();
initListener();
initData();
}
private void initView() {
setContentView(R.layout.activity_main);
edittext =
(EditText) findViewById(R.id.edittext);
select =
(ImageView) findViewById(R.id.select);
}
private void initListener() {
select.setOnClickListener(this);
}
private void initData() {
for (
int i = 0; i < 15; i++
) {
list.add(90000 + i + ""
);
}
initlistview();
}
private void initlistview(){
listview =
new ListView(
this);
listview.setBackgroundResource(R.drawable.timeline_card_bottom_background_highlighted);
listview.setVerticalScrollBarEnabled(false);
//不显示滚动条
listview.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?>
parent, View view,
int position,
long id) {
edittext.setText(list.get(position));
popup.dismiss();
}
});
listview.setAdapter(new ListviewAdapter());
}
private void showselectlistview(){
popup =
new PopupWindow(listview, edittext.getWidth()
, popupheight);
popup.setFocusable(true);
//让其中的view获取焦点
//还必须设置背景图片
popup.setBackgroundDrawable(
new BitmapDrawable());
popup.setOutsideTouchable(true);
popup.showAsDropDown(edittext, 0, 0
);
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.select:
showselectlistview();
break;
default:
break;
}
}
class ListviewAdapter
extends BaseAdapter {
@Override
public int getCount() {
// TODO Auto-generated method stub
return list.size();
}
@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(
final int position, View convertView, ViewGroup parent) {
final View view = convertView.inflate(MainActivity.
this, R.layout.listitem,
null);
TextView text =
(TextView) view.findViewById(R.id.text);
ImageView iv_delect =
(ImageView) view.findViewById(R.id.iv_delect);
text.setText(list.get(position));
iv_delect.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
list.remove(position);
notifyDataSetChanged();
int listheight=view.getHeight()*
list.size();
popup.update(edittext.getWidth(), listheight>popupheight?
popupheight:listheight);
if(list.size()==0
){
popup.dismiss();
select.setVisibility(View.GONE);
}
}
});
return view;
}
}
}
转载于:https://www.cnblogs.com/wangying222/p/5468254.html
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