使用Android Studio进行WiFi搜索显示和打开

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

    
 <LinearLayout 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:orientation="vertical"
    
     android:paddingBottom="@dimen/activity_vertical_m