点击 PopupWindow ，ListView 底部弹出

MainActivity:


package com.doorcontrol.ruili.my.textforpopwindow;
//




import android.app.Activity;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnTouchListener;
import android.view.ViewGroup.LayoutParams;
import android.view.WindowManager;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.ListView;
import android.widget.PopupWindow;


import java.util.ArrayList;
/**
 * @
 * @类名称: ${type_name}
 * @类描述: ${todo}
 * @创建人： lyp07
 * @创建时间：${date} ${time}
 * @备注：
 */import android.app.Activity;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.View;
import android.view.WindowManager;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.ListView;
import android.widget.PopupWindow;


import com.doorcontrol.ruili.my.doorcontrol.R;
import com.doorcontrol.ruili.my.doorcontrol.adapters.MyAdapter;


import java.util.ArrayList;


public class MainActivity extends Activity implements AdapterView.OnItemClickListener, OnClickListener {
    private ArrayList list = new ArrayList();
    private MyAdapter adapter;
    private PopupWindow popupWindow;
    private int from = 0;
    private Button mPopBottomBtn;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initDate();
        mPopBottomBtn = (Button) findViewById(R.id.pop_bottom_btn);
        mPopBottomBtn.setOnClickListener(this);
    }


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


    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.pop_bottom_btn: {
                from = Location.BOTTOM.ordinal();
                break;
            }
        }
        initPopupWindow();
    }


    /**
     * 添加新笔记时弹出的popWin关闭的事件，主要是为了将背景透明度改回来
     */
    class popupDismissListener implements PopupWindow.OnDismissListener {
        @Override
        public void onDismiss() {
            backgroundAlpha(1f);
        }
    }


    protected void initPopupWindow() {
        View popupWindowView = getLayoutInflater().inflate(R.layout.pop_list, null);
        //内容，高度，宽度           
        popupWindow = new PopupWindow(popupWindowView, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, true);
        //菜单背景色    
        ColorDrawable dw = new ColorDrawable(0xffffffff);
        popupWindow.setBackgroundDrawable(dw);
        popupWindow.showAtLocation(getLayoutInflater().inflate(R.layout.activity_main, null),
                Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL, 0, 0);
        //设置背景半透明     
        backgroundAlpha(0.5f);
        //关闭事件   
        popupWindow.setOnDismissListener(new popupDismissListener());
        popupWindowView.setOnTouchListener(new OnTouchListener() {
            @Override
            public boolean onTouch(View v, MotionEvent event) {
                return false;
            }
        });
        ListView listView = (ListView) popupWindowView.findViewById(R.id.listView);
        adapter = new MyAdapter(this, list);
        listView.setAdapter(adapter);
        listView.setOnItemClickListener(this);
    }


    /**
     * 设置添加屏幕的背景透明度     *     * @param bgAlpha
     */
    public void backgroundAlpha(float bgAlpha) {
        WindowManager.LayoutParams lp = getWindow().getAttributes();
        lp.alpha = bgAlpha; //0.0-1.0     
        getWindow().setAttributes(lp);
    }


    /**
     * 菜单弹出方向
     */
    public enum Location {
        BOTTOM;
    }


    private void initDate() {
        list.add("0");
        list.add("1");
        list.add("2");
    }
}


main.xml




<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.doorcontrol.ruili.my.textforpopwindow.MainActivity">




    <Button
        android:id="@+id/pop_bottom_btn"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/pop_bottom"/>


</LinearLayout>




item.xml




<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:orientation="vertical"
              android:layout_margin="10dp"
              android:layout_width="match_parent"
              android:layout_height="match_parent">




    <TextView
        android:textSize="20dp"
        android:layout_gravity="center"
        android:gravity="center"
        android:background="#10000000"
        android:id="@+id/tv_text"
        android:layout_width="match_parent"
        android:layout_height="30dp" />
</LinearLayout>






poplist.xml




<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"


    tools:context="com.doorcontrol.ruili.my.textforpopwindow.MainActivity">


    <ListView
        android:layout_centerInParent="true"
        android:layout_centerHorizontal="true"
        android:background="#10000000"
        android:id="@+id/listView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content">
    </ListView>
</RelativeLayout>






adapter:


package com.doorcontrol.ruili.my.textforpopwindow;


import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;


import java.util.ArrayList;


/**
 * @
 * @类名称: ${type_name}
 * @类描述: ${todo}
 * @创建人：lyp07
 * @创建时间：${date} ${time}
 * @备注：
 */
public class MyAdapter   extends BaseAdapter {


    private Context context;
    private ArrayList list;
    public MyAdapter(Context context,ArrayList list){
        this.context=context;
        this.list=list;
    }


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


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


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


    @Override
    public View getView(int position, View convertView, ViewGroup viewGroup) {
        ViewHolder vh;
        if (convertView == null) {
            vh = new ViewHolder();
            convertView = LayoutInflater.from(context).inflate(R.layout.item, null);
            vh.textview = (TextView) convertView.findViewById(R.id.tv_text);
            convertView.setTag(vh);
        } else {
            vh = (ViewHolder) convertView.getTag();
        }
        vh.textview.setText(list.get(position) + "");
        return convertView;
    }
    static class ViewHolder {
        TextView textview;
    }
}




差不多也就这样了