Android popupwindow简单使用方法介绍

Tabitha ·

更新时间:2024-11-10

· 589 次阅读

先看下效果

1.首页


package com.yskj.jh.demopopupwindow;
import android.content.Context;
import android.graphics.drawable.BitmapDrawable;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.PopupWindow;
import android.widget.TextView;
import android.widget.Toast;
import java.util.ArrayList;
public class MainActivity extends AppCompatActivity {
 private Button button;
 private PopupWindow kindsPopupWindow;
 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  button = (Button) findViewById(R.id.button);
  button.setOnClickListener(new View.OnClickListener() {
   @Override
   public void onClick(View v) {
    getKindPopupWindow();
   }
  });
 }
 private void getKindPopupWindow() {
  final ArrayList kindsList = new ArrayList();
  kindsList.add("全部分类");
  kindsList.add("今日上线");
  kindsList.add("美食");
  kindsList.add("酒店");
  kindsList.add("旅游");
  LayoutInflater inflater = LayoutInflater.from(this);
  // 引入窗口配置文件
  View view = inflater.inflate(R.layout.pop_local_kind, null);
  // 创建PopupWindow对象
  kindsPopupWindow = new PopupWindow(view, LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT, false);
  //设置popupWindow宽
  kindsPopupWindow.setWidth(button.getWidth());
  ListView listView = (ListView) view.findViewById(R.id.list);
  PopAdapter adapter = new PopAdapter(MainActivity.this,kindsList);
  listView.setAdapter(adapter);
  // 需要设置一下此参数，点击外边可消失
  kindsPopupWindow.setBackgroundDrawable(new BitmapDrawable());
  //设置点击窗口外边窗口消失
  kindsPopupWindow.setOutsideTouchable(true);
  // 设置此参数获得焦点，否则无法点击
  kindsPopupWindow.setFocusable(true);
  //设置popupWindow显示位置
  kindsPopupWindow.showAsDropDown(button);
  listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
   @Override
   public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
    Toast.makeText(MainActivity.this,i+"pop",Toast.LENGTH_SHORT).show();
    button.setText(kindsList.get(i).toString());
    kindsPopupWindow.dismiss();
   }
  });
 }
 //pop适配器
 private class PopAdapter extends BaseAdapter {
  private Context context;
  private ArrayList<String> list;
  public PopAdapter(Context context, ArrayList<String> list) {
   this.context = context;
   this.list = list;
  }
  @Override
  public int getCount() {
   if (list==null||list.size()==0){
    return 0;
   }
   return list.size();
  }
  @Override
  public Object getItem(int i) {
   return list.get(i);
  }
  @Override
  public long getItemId(int i) {
   return i;
  }
  @Override
  public View getView(int i, View convertView, ViewGroup viewGroup) {
   ViewHolder holder = null;
   if(convertView==null){
    holder = new ViewHolder();
    convertView = LayoutInflater.from(context).inflate(R.layout.item_pop_local_kind, null);
    holder.textView = (TextView) convertView.findViewById(R.id.item_text);
    convertView.setTag(holder);
   }else{
    holder=(ViewHolder)convertView.getTag();
   }
   holder.textView.setText(list.get(i).toString());
   return convertView;
  }
  private class ViewHolder {
   TextView textView;
  }
 }
}

2.首页布局


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:orientation="vertical"
 >
 <Button
  android:id="@+id/button"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:text="Show PopupWindow" />
</LinearLayout>

3.popupwindow布局，可根据情况自行布局，这里是demo布局


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:orientation="vertical"
 android:background="#ffffff">
 <ListView
  android:id="@+id/list"
  android:layout_width="match_parent"
  android:layout_height="wrap_content"
  android:background="#888888">
 </ListView>
</LinearLayout>

4.popupwindow条目布局


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:orientation="vertical"
 android:background="@color/white">
 <TextView
  android:id="@+id/item_text"
  android:layout_width="match_parent"
  android:layout_height="40dp"
  android:gravity="center"
  android:text="pop"
  android:textColor="#f08e1f"
  android:background="#eeeeee"
  />
</LinearLayout>

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方法 popupwindow Android

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