Andriod控件PopupWindow嵌套Listview

最新推荐文章于 2024-06-17 09:03:13 发布

liumeng920

最新推荐文章于 2024-06-17 09:03:13 发布

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分类专栏： android控件文章标签： android PopupWindow listview

本文链接：https://blog.youkuaiyun.com/liumeng920/article/details/49490137

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本文介绍了一个使用Android实现的弹窗银行选择器，包括布局设计、点击事件处理及数据展示。

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class

public class MainActivity extends Activity {

private ArrayList<String> list;

private TextView tv_tanChuang;
private PopupWindow popupWindow;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

tv_tanChuang = (TextView) findViewById(R.id.tv_tanChuang);

list = getList();

tv_tanChuang.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
showPopupWindow(v);
}
});

}

private void showPopupWindow(View v) {
View view = getLayoutInflater().inflate(R.layout.popup_window, null);

popupWindow = new PopupWindow(view,320,480,true);
//设置背景，
// popupWindow.setBackgroundDrawable(getResources().getDrawable(R.drawable.));
//点击外部区域popwindow消失
popupWindow.setBackgroundDrawable(new BitmapDrawable());
popupWindow.setFocusable(true);
//显示(靠中间)
popupWindow.showAtLocation(view, Gravity.CENTER, 0, 0);

ListView lv_list = (ListView) view.findViewById(R.id.lv_list);
popAdapter adapter = new popAdapter(list, MainActivity.this);
lv_list.setAdapter(adapter);

lv_list.setOnItemClickListener(new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
tv_tanChuang.setText(list.get(position));
popupWindow.dismiss();
}
});
}

/**
* 得到list集合的方法
* @return
*/
public ArrayList<String> getList() {
ArrayList<String> list = new ArrayList<String>();
list.add("工商银行");
list.add("农业银行");
list.add("建设银行");
list.add("中国银行");
list.add("交通银行");
list.add("招商银行");
list.add("中信银行");
return list;
}

}

adapter

public class popAdapter extends BaseAdapter implements ListAdapter {

private ArrayList<String> list;
private LayoutInflater inflater;

public popAdapter(ArrayList<String> list, Context context) {
super();
this.list = list;
this.inflater = LayoutInflater.from(context);
}

@Override
public int getCount() {
return list.size();
}

@Override
public Object getItem(int position) {
return list.get(position);
}

@Override
public long getItemId(int position) {
return position;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
convertView = inflater.inflate(R.layout.item_pop, null);
}
TextView tv_item = (TextView)convertView.findViewById(R.id.tv_item);
tv_item.setText(list.get(position));

return convertView;
}
}