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Android popupwindow

    final Button popup = (Button) findViewById(R.id.button1);      //popupwindow JAVA代码部分         popup.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                View view = LayoutInflater.from(getApplication()).inflate(R.layout.popuplayout, null);                final PopupWindow popupWindow = new PopupWindow(view,      //三个属性,视图,高和宽                        ViewGroup.LayoutParams.WRAP_CONTENT,                        ViewGroup.LayoutParams.WRAP_CONTENT);                popupWindow.setFocusable(true);                      //必须获取焦点True,否则其他能继续操作就无意义了                popupWindow.showAsDropDown(popup);                    //设置弹出的位置                ImageView imageView = (ImageView) view.findViewById(R.id.img);                imageView.setOnClickListener(new View.OnClickListener() {                    @Override                    public void onClick(View v) {                        popupWindow.dismiss();                    }                });            }        });

<?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"    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.zhuoxiang.enlightnment.Activity.PopupActivity">    <ImageView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:id="@+id/img"        android:src="@drawable/delete"/>    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:id="@+id/text"        android:text="删除"        android:layout_toRightOf="@+id/img"/></RelativeLayout>

 

 

 

Android popupwindow