As title,
Computer use wamp server setup, the WWW directory has a index. The PHP file, mobile phones can access this page via a browser to access the computer IP,
But will get prompt in okhttp connection timeout (10000 ms)

Has joined the android: in AndroidManifest usesCleartextTraffic="true" attribute
Mainactivity code:
What is wrong?

 package com. Test. Testokhttp; 

The import androidx. Appcompat. App. AppCompatActivity; 

The import android. OS. Bundle; 

Import the Java. IO. IOException; 

The import okhttp3. OkHttpClient; 
The import okhttp3. Request; 
The import okhttp3. The Response; 

Public class MainActivity extends AppCompatActivity {
Private final String url="http://192.168.28.162/";//mobile browser access to 

@ Override 
Protected void onCreate (Bundle savedInstanceState) {
super.onCreate(savedInstanceState); 
The setContentView (R.l ayout. Activity_main); 
New Thread (this: get.) start (); 
} 

Public void the get () {
OkHttpClient client=new OkHttpClient (); 
Request the Request=new Request. Builder () 
Url (url) 
.build(); 
Try {
The Response the Response=client. NewCall (request). The execute (); 
System. Out. Println (the response body (). The string ()); 
} the catch (IOException e) {
e.printStackTrace(); 
} 
} 
}