Android popupWindow弹出窗体实现方法分析

<?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="80dip"  android:background="@drawable/popup_yellow_window_bg"  android:orientation="horizontal" >  <TextView      android:id="@+id/popupwindow_app_uninstall_text"      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:layout_gravity="center_horizontal"      android:layout_marginBottom="5dip"      android:layout_marginTop="5dip"      android:drawableTop="@drawable/kn_malware_scan_deep_click"      android:text="卸 载"/></LinearLayout>