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Popupwindow的使用

标签:
Android

PopupWindow在Android.widget包下,项目中经常会使用到PopupWindow做菜单选项,  PopupWindow这个类用来实现一个弹出框,可以使用任意布局的View作为其内容,这个弹出框是悬浮在当前activity之上的。

MainActivity.java

[代码]java代码:

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public class MainActivity   extends Activityimplements   OnClickListener { 

    

         private PopupWindow mPopWindow; 

         private View parentView; 

         private Context context; 

         ImageView   mImageViewBar; 

    

         @Override 

         protected voidonCreate(Bundle savedInstanceState)   { 

                   super.onCreate(savedInstanceState);   

                   requestWindowFeature(Window.FEATURE_NO_TITLE);   

                   setContentView(R.layout.activity_main);   

                   context   = this; 

                   initView();   

      }   

    

      private void initView() { 

        //   TODOAuto-generated method stub 

          parentView   =getLayoutInflater().inflate(R.layout.activity_main,null); 

          mImageViewBar   =(ImageView) findViewById(R.id.menu); 

          mImageViewBar.setOnClickListener(this);   

          showPopupWindow();   

     } 

    

      private void showPopupWindow() { 

           LayoutInflater   inflater = (LayoutInflater)context 

            .getSystemService(Context.LAYOUT_INFLATER_SERVICE);   

          View   contentView =inflater.inflate(R.layout.popuplayout,null); 

          mPopWindow   = newPopupWindow(contentView); 

          mPopWindow.setWidth(ViewGroup.LayoutParams.WRAP_CONTENT);   

          mPopWindow.setHeight(ViewGroup.LayoutParams.WRAP_CONTENT);   

          mPopWindow   = newPopupWindow(); 

          //   设置SelectPicPopupWindow的View 

          mPopWindow.setContentView(contentView);   

          //   设置SelectPicPopupWindow弹出窗体的宽 

          mPopWindow.setWidth(LayoutParams.WRAP_CONTENT);   

          //   设置SelectPicPopupWindow弹出窗体的高 

          mPopWindow.setHeight(LayoutParams.WRAP_CONTENT);   

          //   设置SelectPicPopupWindow弹出窗体可点击 

         mPopWindow.setFocusable(true);   

         mPopWindow.setOutsideTouchable(true);   

         //   刷新状态   

         mPopWindow.update();   

         //   实例化一个ColorDrawable颜色为半透明 

         ColorDrawable   dw = new ColorDrawable(0000000000);   

         //   点back键和其他地方使其消失,设置了这个才能触发OnDismisslistener,设置其他控件变化等操作 

         mPopWindow.setBackgroundDrawable(dw);   

         contentView.findViewById(R.id.memu1).setOnClickListener(this);   

         contentView.findViewById(R.id.memu2).setOnClickListener(this);   

         contentView.findViewById(R.id.memu3).setOnClickListener(this);   

      }   

    

       @Override 

      public void onClick(View v) { 

         int id =v.getId(); 

         switch (id) { 

           case R.id.menu: 

                 mPopWindow.showAsDropDown(mImageViewBar);   

                 break;   

           case R.id.memu1: { 

                 Toast.makeText(context,"消息",   Toast.LENGTH_SHORT).show(); 

                 mPopWindow.dismiss();   

               }   

                break;   

           case R.id.memu2: { 

                Toast.makeText(context,"收藏",   Toast.LENGTH_SHORT).show(); 

                mPopWindow.dismiss();   

              }   

               break;   

           case R.id.memu3: { 

                Toast.makeText(context,"首页",   Toast.LENGTH_SHORT).show(); 

                mPopWindow.dismiss();   

              }   

               break;   

             }   

      }   

     

      @Override 

       protected void onDestroy() { 

           //   TODOAuto-generated method stub 

            super.onDestroy();   

           mPopWindow.dismiss();   

     } 

  }

 

 

[代码]xml代码:

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activity_main.xml 

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

<LinearLayoutxmlns:androidLinearLayoutxmlns:android="http://schemas.android.com/apk/res/android" 

    android:layout_width="match_parent" 

    android:layout_height="match_parent" 

    android:background="#FFFFFF" 

    android:orientation="vertical">   

    

    <RelativeLayout 

        android:layout_width="match_parent" 

        android:layout_height="wrap_content" 

        android:background="#E4E4E4" 

        android:minHeight="55dp">   

    

        <ImageView 

            android:layout_width="20dp" 

            android:layout_height="20dp" 

            android:layout_centerVertical="true" 

            android:layout_marginLeft="8dp" 

            android:layout_marginRight="5dp" 

            android:focusable="true" 

            android:class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="@drawable/abc_ic_ab_back_mtrl_am_alpha"/>   

    

        <ImageView 

            android:id="@+id/menu" 

            android:layout_width="20dp" 

            android:layout_height="20dp" 

            android:layout_alignParentRight="true" 

            android:layout_centerVertical="true" 

            android:layout_marginRight="9dp" 

            android:class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="@drawable/top_arrow_message1"/>   

    </RelativeLayout>   

    

</LinearLayout> 

popuplayout.xml 

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

<LinearLayoutxmlns:androidLinearLayoutxmlns:android="http://schemas.android.com/apk/res/android" 

    android:layout_width="match_parent" 

    android:layout_height="wrap_content" 

    android:gravity="center" 

    android:orientation="vertical">   

    

    <LinearLayout 

        android:layout_width="120dp" 

        android:layout_height="130dp" 

        android:layout_marginRight="2dp" 

        android:background="@drawable/danchu" 

        android:gravity="center_vertical" 

        android:orientation="vertical">   

    

        <RelativeLayout 

            android:id="@+id/memu1" 

            android:layout_width="wrap_content" 

            android:layout_height="30dp" 

            android:layout_marginTop="5dp" 

            android:gravity="center_vertical">   

    

            <ImageView 

                android:id="@+id/xiaoxi" 

                android:layout_width="20dp" 

                android:layout_height="20dp" 

                android:layout_marginLeft="10dp" 

                android:class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="@drawable/android_arrow_application"/>   

    

            <TextView 

                android:id="@+id/pop_computer" 

                android:layout_width="wrap_content" 

                android:layout_height="wrap_content" 

                android:layout_marginLeft="10dp" 

                android:layout_toRightOf="@+id/xiaoxi" 

                android:text="消息" 

                android:textColor="#FFFFFF"/>   

        </RelativeLayout>   

    

        <View 

            android:layout_width="wrap_content" 

            android:layout_height="1dp"/>   

    

        <RelativeLayout 

            android:id="@+id/memu2" 

            android:layout_width="wrap_content" 

            android:layout_height="30dp" 

            android:layout_marginTop="5dp" 

            android:gravity="center_vertical">   

    

            <ImageView 

                android:id="@+id/shanchu" 

                android:layout_width="20dp" 

                android:layout_height="20dp" 

                android:layout_marginLeft="10dp" 

                android:class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="@drawable/android_arrow_profitbillsm"/>   

    

            <TextView 

                android:layout_width="wrap_content" 

                android:layout_height="wrap_content" 

                android:layout_marginLeft="10dp" 

                android:layout_toRightOf="@+id/shanchu" 

                android:text="收藏" 

                android:textColor="#FFFFFF"/>   

        </RelativeLayout>   

    

        <View 

            android:layout_width="wrap_content" 

            android:layout_height="1dp"/>   

    

        <RelativeLayout 

            android:id="@+id/memu3" 

            android:layout_width="wrap_content" 

            android:layout_height="30dp" 

            android:layout_marginBottom="5dp" 

            android:layout_marginTop="5dp" 

            android:gravity="center_vertical">   

    

            <ImageView 

                android:id="@+id/dianjifanhui" 

                android:layout_width="18dp" 

                android:layout_height="20dp" 

                android:layout_marginLeft="10dp" 

                android:class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="@drawable/dir15"/>   

    

            <TextView 

                android:id="@+id/pop_manage" 

                android:layout_width="wrap_content" 

                android:layout_height="wrap_content" 

                android:layout_marginLeft="10dp" 

                android:layout_toRightOf="@+id/dianjifanhui" 

                android:text="首页" 

                android:textColor="#FFFFFF"/>   

        </RelativeLayout>   

    

        <View 

            android:layout_width="wrap_content" 

            android:layout_height="1dp"/>   

    </LinearLayout>   

    

</LinearLayout>


项目源码:

Eclipse: http://download.csdn.net/detail/dickyqie/9615658

AndroidStudio: https://github.com/DickyQie/android-basic-control

原文链接:http://www.apkbus.com/blog-894741-63323.html

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