短視頻源碼下拉刷新實現

佈局文件:

<?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:background="#f0f0f0"
    android:orientation="vertical" >

    <FrameLayout
        android:id="@+id/titlebar_layout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="#5555" >

        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="50dp"
            android:background="#ffffff"
            android:gravity="center_vertical"
            android:orientation="horizontal" >

            <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignParentLeft="true"
                android:layout_centerVertical="true"
                android:layout_marginLeft="5dp"
                android:gravity="center_vertical" >

                <ImageView
                    android:layout_width="25dp"
                    android:layout_height="25dp"
                    android:onClick="back"
                    android:src="@mipmap/icon_arrow_green" />

                <TextView
                    android:id="@+id/supplier_list_title_tv"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="5dp"
                    android:text="全部"
                    android:textColor="#39ac69"
                    android:textSize="18dp" />
            </LinearLayout>

            <ImageView
                android:id="@+id/supplier_list_cart_iv"
                android:layout_width="25dp"
                android:layout_height="25dp"
                android:layout_alignParentRight="true"
                android:layout_centerVertical="true"
                android:layout_marginRight="15dp"
                android:src="@mipmap/icon_car" />
        </RelativeLayout>
    </FrameLayout>

    <View
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:background="#E2E2E2" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="40dp"
        android:background="#ffffff"
        android:orientation="horizontal" >

        <LinearLayout
            android:id="@+id/supplier_list_product"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:gravity="center"
            android:orientation="horizontal" >

            <TextView
                android:id="@+id/supplier_list_product_tv"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:gravity="center"
                android:text="全部"
                android:textSize="14dp" />

            <ImageView
                android:layout_width="25dp"
                android:layout_height="25dp"
                android:src="@mipmap/icon_arrow_down" />
        </LinearLayout>

        <LinearLayout
            android:id="@+id/supplier_list_sort"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:gravity="center"
            android:orientation="horizontal" >

            <TextView
                android:id="@+id/supplier_list_sort_tv"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:gravity="center"
                android:text="綜合排序"
                android:textSize="14dp" />

            <ImageView
                android:layout_width="25dp"
                android:layout_height="25dp"
                android:src="@mipmap/icon_arrow_down" />
        </LinearLayout>

        <LinearLayout
            android:id="@+id/supplier_list_activity"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:gravity="center"
            android:orientation="horizontal" >

            <TextView
                android:id="@+id/supplier_list_activity_tv"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:gravity="center"
                android:text="優惠活動"
                android:textSize="14dp" />

            <ImageView
                android:layout_width="25dp"
                android:layout_height="25dp"
                android:src="@mipmap/icon_arrow_down" />
        </LinearLayout>
    </LinearLayout>

    <View
        android:layout_width="match_parent"
        android:layout_height="0.5dp"
        android:background="#E2E2E2" />

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent" >

        <ListView
            android:id="@+id/supplier_list_lv"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_marginTop="10dp"
            android:cacheColorHint="@android:color/transparent"
            android:divider="#f0f0f0"
            android:dividerHeight="10dp"
            android:fadingEdge="none"
            android:listSelector="#00000000"
            android:scrollbarStyle="outsideOverlay"
            android:scrollingCache="false" />

        <ProgressBar
            android:id="@+id/progress"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true"
            android:indeterminateDrawable="@drawable/shape_progress"
            android:indeterminateDuration="1000" />
    </RelativeLayout>

</LinearLayout>

<?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="wrap_content"
    android:background="#ffffff"
    android:orientation="vertical" >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center_vertical"
        android:orientation="horizontal" >

        <TextView
            android:id="@+id/listview_popwind_tv"
            android:layout_width="match_parent"
            android:layout_height="45dp"
            android:layout_marginLeft="15dp"
            android:layout_marginRight="15dp"
            android:gravity="center_vertical"
            android:text="地點"
            android:textColor="#5a5959"
            android:textSize="18dp" />
    </LinearLayout>

    <View
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:layout_marginLeft="15dp"
        android:layout_marginRight="15dp"
        android:background="#E2E2E2" />

</LinearLayout>

<?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:background="#5000"
    android:orientation="vertical" >

    <ListView
        android:id="@+id/popwin_supplier_list_lv"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:cacheColorHint="@android:color/transparent"
        android:divider="#0000"
        android:dividerHeight="0dp"
        android:fadingEdge="none"
        android:listSelector="#00000000"
        android:scrollbarStyle="outsideOverlay"
        android:scrollbars="none"
        android:scrollingCache="false" />

    <LinearLayout
        android:id="@+id/popwin_supplier_list_bottom"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:orientation="vertical" />

</LinearLayout>

Activity代碼:

package com.example.hfs.popwindowmeituan;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;


import android.app.Activity;
import android.content.Intent;
import android.graphics.Color;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.PopupWindow;
import android.widget.ProgressBar;
import android.widget.SimpleAdapter;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.PopupWindow.OnDismissListener;

public class MainActivity extends Activity implements
        OnClickListener {
    private ListView listView, popListView;
    private ProgressBar progressBar;
    private List<Map<String, String>> menuData1, menuData2, menuData3;
    private PopupWindow popMenu;
    private SimpleAdapter menuAdapter1, menuAdapter2, menuAdapter3;

    private LinearLayout product, sort, activity;
    private ImageView cartIv;
    private TextView productTv, sortTv, activityTv, titleTv;
    private int green, grey;

    private String currentProduct, currentSort, currentActivity;
    private int menuIndex = 0;

    private Intent intent;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_supplier_list);
        findView();
        initMenuData();
        initPopMenu();

    }
    private void initMenuData() {
        menuData1 = new ArrayList<Map<String, String>>();
        String[] menuStr1 = new String[] { "全部", "糧油", "衣服", "圖書", "電子產品",
                "酒水飲料", "水果" };
        Map<String, String> map1;
        for (int i = 0, len = menuStr1.length; i < len; ++i) {
            map1 = new HashMap<String, String>();
            map1.put("name", menuStr1[i]);
            menuData1.add(map1);
        }

        menuData2 = new ArrayList<Map<String, String>>();
        String[] menuStr2 = new String[] { "綜合排序", "配送費最低" };
        Map<String, String> map2;
        for (int i = 0, len = menuStr2.length; i < len; ++i) {
            map2 = new HashMap<String, String>();
            map2.put("name", menuStr2[i]);
            menuData2.add(map2);
        }

        menuData3 = new ArrayList<Map<String, String>>();
        String[] menuStr3 = new String[] { "優惠活動", "特價活動", "免配送費",
                "可在線支付" };
        Map<String, String> map3;
        for (int i = 0, len = menuStr3.length; i < len; ++i) {
            map3 = new HashMap<String, String>();
            map3.put("name", menuStr3[i]);
            menuData3.add(map3);
        }
    }
    @Override
    public void onClick(View v) {
        // TODO Auto-generated method stub
        switch (v.getId()) {
            case R.id.supplier_list_product:
                productTv.setTextColor(Color.parseColor("#39ac69"));
                popListView.setAdapter(menuAdapter1);
                popMenu.showAsDropDown(product, 0, 2);
                menuIndex = 0;
                break;
            case R.id.supplier_list_sort:
                sortTv.setTextColor(Color.parseColor("#39ac69"));
                popListView.setAdapter(menuAdapter2);
                popMenu.showAsDropDown(product, 0, 2);
                menuIndex = 1;
                break;
            case R.id.supplier_list_activity:
                activityTv.setTextColor(Color.parseColor("#39ac69"));
                popListView.setAdapter(menuAdapter3);
                popMenu.showAsDropDown(product, 0, 2);
                menuIndex = 2;
                break;

        }
    }
    protected void findView() {
        listView = (ListView) findViewById(R.id.supplier_list_lv);
        product = (LinearLayout) findViewById(R.id.supplier_list_product);
        sort = (LinearLayout) findViewById(R.id.supplier_list_sort);
        activity = (LinearLayout) findViewById(R.id.supplier_list_activity);
        productTv = (TextView) findViewById(R.id.supplier_list_product_tv);
        sortTv = (TextView) findViewById(R.id.supplier_list_sort_tv);
        activityTv = (TextView) findViewById(R.id.supplier_list_activity_tv);
        titleTv = (TextView) findViewById(R.id.supplier_list_title_tv);
        cartIv = (ImageView) findViewById(R.id.supplier_list_cart_iv);
        progressBar = (ProgressBar) findViewById(R.id.progress);

        product.setOnClickListener(this);
        sort.setOnClickListener(this);
        activity.setOnClickListener(this);
        cartIv.setOnClickListener(this);
    }
    private void initPopMenu() {
        initMenuData();
        View contentView = View.inflate(this, R.layout.popwin_supplier_list,
                null);
        popMenu = new PopupWindow(contentView,
                LinearLayout.LayoutParams.MATCH_PARENT,
                LinearLayout.LayoutParams.MATCH_PARENT);
        popMenu.setOutsideTouchable(true);
        popMenu.setBackgroundDrawable(new BitmapDrawable());
        popMenu.setFocusable(true);
        popMenu.setAnimationStyle(R.style.popwin_anim_style);
        popMenu.setOnDismissListener(new OnDismissListener() {
            public void onDismiss() {
                productTv.setTextColor(Color.parseColor("#5a5959"));
                sortTv.setTextColor(Color.parseColor("#5a5959"));
                activityTv.setTextColor(Color.parseColor("#5a5959"));
            }
        });

        popListView = (ListView) contentView
                .findViewById(R.id.popwin_supplier_list_lv);
        contentView.findViewById(R.id.popwin_supplier_list_bottom)
                .setOnClickListener(new OnClickListener() {
                    public void onClick(View arg0) {
                        popMenu.dismiss();
                    }
                });
        menuAdapter1 = new SimpleAdapter(this, menuData1,
                R.layout.item_listview_popwin, new String[] { "name" },
                new int[] { R.id.listview_popwind_tv });
        menuAdapter2 = new SimpleAdapter(this, menuData2,
                R.layout.item_listview_popwin, new String[] { "name" },
                new int[] { R.id.listview_popwind_tv });
        menuAdapter3 = new SimpleAdapter(this, menuData3,
                R.layout.item_listview_popwin, new String[] { "name" },
                new int[] { R.id.listview_popwind_tv });

        popListView.setOnItemClickListener(new OnItemClickListener() {
            public void onItemClick(AdapterView<?> arg0, View arg1, int pos,
                                    long arg3) {
                popMenu.dismiss();
                if (menuIndex == 0) {
                    currentProduct = menuData1.get(pos).get("name");
                    titleTv.setText(currentProduct);
                    productTv.setText(currentProduct);
                    Toast.makeText(MainActivity.this, currentProduct, Toast.LENGTH_SHORT).show();
                } else if (menuIndex == 1) {
                    currentSort = menuData2.get(pos).get("name");
                    titleTv.setText(currentSort);
                    sortTv.setText(currentSort);
                    Toast.makeText(MainActivity.this, currentSort, Toast.LENGTH_SHORT).show();
                } else {
                    currentActivity = menuData3.get(pos).get("name");
                    titleTv.setText(currentActivity);
                    activityTv.setText(currentActivity);
                    Toast.makeText(MainActivity.this, currentActivity, Toast.LENGTH_SHORT).show();
                }
            }
        });
    }
}