popuwindow的使用方法

popuwindow的使用方法

//popwindow下拉列表,属于组合式控件

/*

1.首先添加butterknife的依赖,取消掉ActionBar,使用toolbar代替

2.完成整体的布局,初始化控件,设置点击事件

3.初始化popwindow所要显示的数据

4.初始化popwindow控件的设置

5.popwindow与listview相关联

6.三个popwindow所依附的linearlayout,根据点击事件,做对应逻辑处理(改变textview的颜色,显示效果)

*/

MainActivity主方法

public class MainActivity extends AppCompatActivity {

@Bind (R.id. supplier_list_product_tv )

TextView mProductTv ; // 可以修改名称

@Bind (R.id. supplier_list_product )

LinearLayout mProduct ;

@Bind (R.id. supplier_list_sort_tv )

TextView mSortTv ; // 可以修改名称

@Bind (R.id. supplier_list_sort )

LinearLayout mSort ;

@Bind (R.id. supplier_list_activity_tv )

TextView mActivityTv ; // 可以修改名称

@Bind (R.id. supplier_list_activity )

LinearLayout mActivity ;

@Bind (R.id. supplier_list_lv )

ListView mSupplierListLv ;

private ArrayList> menuData1 ;

private ArrayList> menuData2 ;

private ArrayList> menuData3 ;

private PopupWindow mPopMenu ;

private ListView mpoplistview ;

private SimpleAdapter mMenuAdapter1 ;

private SimpleAdapter mMenuAdapter2 ;

private SimpleAdapter mMenuAdapter3 ;

@Override

protected void onCreate(Bundle savedInstanceState) {

super .onCreate(savedInstanceState);

setContentView(R.layout. activity_main );

ButterKnife. bind ( this );

//初始化popwindow所要显示的数据

initData();

//初始化popwindow控件

initPopMenu();

}

//初始化popwindow

private void initPopMenu() {

//把包裹listview布局的xml文件转换为view对象

View popview = LayoutInflater. from ( this ).inflate(R.layout. popwin_list , null );

//创建popwindow对象,参数1 popwindow要显示的布局 参数2 3 定义popwindow宽和高

mPopMenu = new PopupWindow(popview, LinearLayout.LayoutParams. MATCH_PARENT , LinearLayout.LayoutParams. MATCH_PARENT );

//设置popwindow外部可以点击

mPopMenu .setOutsideTouchable( true );

//设置popwindow里面的listview有焦点

mPopMenu .setFocusable( true );

//如果想让popwindow有动画效果,就必须有这行代码

mPopMenu .setBackgroundDrawable( new ColorDrawable());

//设置popwindow结束时的监听

mPopMenu .setOnDismissListener( new PopupWindow.OnDismissListener() {

@Override

public void onDismiss() {

//设置TextView的颜色,把所有LinearLayout的文本颜色该为灰色

mProductTv .setTextColor(Color. parseColor ( "#5a5959" ));

mSortTv .setTextColor(Color. parseColor ( "#5a5959" ));

mActivityTv .setTextColor(Color. parseColor ( "#5a5959" ));

}

});

//设置点击popwindow以外的地方,使popwindow消失

LinearLayout list_bottom = (LinearLayout) popview.findViewById(R.id. popwin_supplier_list_bottom );

list_bottom.setOnClickListener( new View.OnClickListener() {

@Override

public void onClick(View view) {

//当点击到灰色区域时 popwindow消失

mPopMenu .dismiss();

}

});

//获取listview对象

mpoplistview = (ListView) popview.findViewById(R.id. popwin_supplier_list_lv );

//创建simpleadapter,一个listview安卓原生封装的适配器

mMenuAdapter1 = new SimpleAdapter( this , menuData1 , R.layout. item_listview_popwindow , new String[]{ "name" }, new int []{R.id. listview_popwind_tv });

mMenuAdapter2 = new SimpleAdapter( this , menuData2 , R.layout. item_listview_popwindow , new String[]{ "name" }, new int []{R.id. listview_popwind_tv });

mMenuAdapter3 = new SimpleAdapter( this , menuData3 , R.layout. item_listview_popwindow , new String[]{ "name" }, new int []{R.id. listview_popwind_tv });

//设置popwindow里的listview点击事件,当点击listview里的一个item时,把这个item数据显示到最上方

mpoplistview .setOnItemClickListener( new AdapterView.OnItemClickListener() {

@Override

public void onItemClick(AdapterView adapterView, View view, int i, long l) {

//首先让popwindow消失

mPopMenu .dismiss();

switch ( menuIndex ){

case 0 :

String currentProduct = menuData1 .get(i).get( "name" );

mProductTv .setText(currentProduct);

break ;

case 1 :

String currentsort = menuData2 .get(i).get( "name" );

mSortTv .setText(currentsort);

break ;

case 2 :

String currentActivity = menuData3 .get(i).get( "name" );

mActivityTv .setText(currentActivity);

break ;

}

}

});

}

//设置一个标记,方便对点击不同linearlayout做相应操作

private int menuIndex = 0 ;

//初始化数据,popwindow所需,一共有三个,所以我要封装好三个数据,这里是假数据,真实数据从网上获取

private void initData() {

//创建一个存放popwindow加载数据的大盒子,map集合(键,值)

menuData1 = new ArrayList<>();

//存放String的字符串数组

String[] menuStr1 = new String[]{ "全部" , "粮油" , "衣服" , "图书" , "电子产品" ,

"酒水饮料" , "水果" };

//创建一个小盒子,放编号和值

Map map1;

for ( int x= 0 ;x length ;x++){

map1= new HashMap();

map1.put( "name" ,menuStr1[x]);

menuData1 .add(map1);

}

//创建一个存放popwindow加载数据的大盒子,map集合(键,值)

menuData2 = new ArrayList<>();

//存放String的字符串数组

String[] menuStr2 = new String[]{ "综合排序" , "配送费最低" };

//创建一个小盒子,放编号和值

Map map2;

for ( int x= 0 ;x length ;x++){

map2= new HashMap();

map2.put( "name" ,menuStr2[x]);

menuData2 .add(map2);

}

//创建一个存放popwindow加载数据的大盒子,map集合(键,值)

menuData3 = new ArrayList<>();

//存放String的字符串数组

String[] menuStr3 = new String[]{ "优惠活动" , "特价活动" , "免配送费" ,

"可在线支付" };

//创建一个小盒子,放编号和值

Map map3;

for ( int x= 0 ;x length ;x++){

map3= new HashMap();

map3.put( "name" ,menuStr3[x]);

menuData3 .add(map3);

}

//测试是否有问题

String name = menuData3 .get( 0 ).get( "name" );

System. out .println( "name----" +name);

}

@OnClick ({R.id. supplier_list_product , R.id. supplier_list_sort , R.id. supplier_list_activity })

public void onClick(View view) {

switch (view.getId()) {

//第一个popwindow所执行的点击后的逻辑

case R.id. supplier_list_product :

//设置其textview点击是红色

mProductTv .setTextColor(Color. RED );

//设置popwindow里的lisyview适配器

mpoplistview .setAdapter( mMenuAdapter1 );

//让popwindow显示出来 参数1.view对象 决定了popwindow在哪个控件下显示

//参数2 3 决定了popwindow的坐标 x轴 y轴

mPopMenu .showAsDropDown( mProduct , 0 , 2 );

menuIndex = 0 ;

break ;

case R.id. supplier_list_sort :

mSortTv .setTextColor(Color. RED );

mpoplistview .setAdapter( mMenuAdapter2 );

mPopMenu .showAsDropDown( mProduct , 0 , 2 );

menuIndex = 1 ;

break ;

case R.id. supplier_list_activity :

mActivityTv .setTextColor(Color. RED );

mpoplistview .setAdapter( mMenuAdapter3 );

mPopMenu .showAsDropDown( mProduct , 0 , 2 );

menuIndex = 2 ;

break ;

}

}

}

activity_main布局

xml version= "1.0" encoding= "utf-8" ?>

< LinearLayout xmlns: android = "http://schemas.android.com/apk/res/android"

android :orientation= "vertical"

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

< android.support.v7.widget.Toolbar

android :background= "@color/colorAccent"

android :layout_width= "match_parent"

android :layout_height= "45dp" >

< TextView

android :textSize= "20sp"

android :text= "周边"

android :layout_gravity= "center_horizontal"

android :textColor= "@color/white"

android :layout_width= "wrap_content"

android :layout_height= "wrap_content" />

android.support.v7.widget.Toolbar >

< 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= "@color/white"

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 :text= "全部"

android :textSize= "14dp"

/>

< ImageView

android :layout_width= "25dp"

android :layout_height= "25dp"

android :src= "@drawable/t1" />

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 :text= "综合排序"

android :textSize= "14dp"

/>

< ImageView

android :layout_width= "25dp"

android :layout_height= "25dp"

android :src= "@drawable/t1" />

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 :text= "优惠活动"

android :textSize= "14dp"

/>

< ImageView

android :layout_width= "25dp"

android :layout_height= "25dp"

android :src= "@drawable/t1" />

LinearLayout >

LinearLayout >

< View

android :layout_width= "match_parent"

android :layout_height= "1dp"

android :background= "#E2E2E2"

/>

< ListView

android :id= "@+id/supplier_list_lv"

android :layout_width= "match_parent"

android :layout_height= "match_parent"

android :layout_marginTop= "10dp"

android :cacheColorHint= "#00000000"

android :divider= "#f0f0f0"

android :dividerHeight= "10dp"

android :fadingEdge= "none"

android :listSelector= "#00000000"

android :scrollbarStyle= "outsideOverlay"

android :scrollingCache= "false"

>

ListView >

LinearLayout >

item_listview_popwindow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= "wrap_content"

android :background= "#ffffff"

android :orientation= "vertical" >

< 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= "地点"

android :textColor= "#5a5959"

android :textSize= "18dp" />

< View

android : layout_width = "match_parent"

android :layout_height= "1dp"

android :layout_marginLeft= "15dp"

android :layout_marginRight= "15dp"

android :background= "#E2E2E2" />

LinearLayout >

popwin_list

xml version= "1.0" encoding= "utf-8" ?>

< LinearLayout xmlns: android = "http://schemas.android.com/apk/res/android"

android :orientation= "vertical" android :layout_width= "match_parent"

android :background= "#5000"

android :layout_height= "match_parent" >

< ListView

android :id= "@+id/popwin_supplier_list_lv"

android :layout_width= "match_parent"

android :layout_height= "wrap_content"

android :cacheColorHint= "#00000000"

android :divider= "#0000"

android :dividerHeight= "0dp"

android :fadingEdge= "none"

android :listSelector= "#00000000"

android :scrollbarStyle= "outsideOverlay"

android :scrollbars= "none"

android :scrollingCache= "false"

>

ListView >

< LinearLayout

android :id= "@+id/popwin_supplier_list_bottom"

android :layout_width= "match_parent"

android :layout_weight= "1"

android :layout_height= "0dp"

android :orientation= "vertical"

>

LinearLayout >

LinearLayout >