使用Android Studio连接到telnet时遇到问题。通过终端连接工作正常，但当我尝试连接到Android Studio时，它无法连接。我无法弄清楚我做错了什么。
我可以告诉它没有连接，因为当我查看我的telnet连接时，应该会出现一条新消息，但telnet根本不会改变。如果需要，我可以提供额外的信息。
我的MainActivity.java：
public class MainActivity extends Activity {
private static final String LOGTAG = "MainPAge";
private ServerConnect mSC;
Thread serverThread = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Log.i(LOGTAG, "onCreate entered");
this.serverThread = new Thread(new ServerConnect(this));
this.serverThread.start();
// Connect to server and continue from here TODO
//// Your code should go here
final Button send = (Button) findViewById(R.id.btnSendCmd);
;
send.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
}
});
//Makes the receiving text area scrollable
TextView tv = (TextView) findViewById(R.id.txtServerResponse);
tv.setMovementMethod(new ScrollingMovementMethod());
//This is an example of how to set events to button clicks
Button button = (Button) findViewById(R.id.btnKill);
button.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
//OnClick actions here
System.exit(0);
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
ServerConnect.java：
public class ServerConnect extends Thread{
public static final int BUFFER_SIZE = 2048;
private Socket socket;
private static final int SERVERPORT = 9999; //This is the port that we are connecting to
//Remember the channel simulator is 9998
private static final String SERVERIP = "10.0.2.2"; //This address is magically mapped to the host's loopback.
private static final String LOGTAG = "SocketTester";
boolean terminated = false;
private PrintWriter out = null;
private BufferedReader in = null;
Activity parentref;
/**
*
* @param parentRef Expects a reference to the calling activity, e.g. new ServerConnect(this);
*/
public ServerConnect(Activity parentRef)
{
parentref=parentRef;
}
/**
* Sends commands to the server. Called from UI thread via a button press
* @param cmd
*/
public void send(String cmd)
{
try
{
Log.i(LOGTAG,"Sending command: "+cmd);
out.println(cmd);
}
catch(Exception e)
{
Log.e(LOGTAG,"Failed to send command : "+e);
}
}
/**
* Main thread loop that grabs incoming messages
*/
public void run()
{
Log.i(LOGTAG,"Running socket thread");
try
{
InetAddress svrAddr = InetAddress.getByName(SERVERIP);
socket = new Socket(svrAddr, SERVERPORT);
//Setup i/o streams
out = new PrintWriter(new OutputStreamWriter(socket.getOutputStream()),true);
in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
//Keep listening for messages from server
while(!terminated)
{
final String message = in.readLine();
if(message != null && message != "")
{
Log.i(LOGTAG,"MSG recv : "+message);
//Update GUI with any server responses
final TextView txtv = (TextView) parentref.findViewById(R.id.txtServerResponse);
parentref.runOnUiThread(new Runnable() {
@Override
public void run() {
/**
*
*
* This is where the the UI gets updated by the socket
*
*
*/
Log.i(LOGTAG, "TEST");
txtv.setText(message+"\n"+txtv.getText());
}
});
}
}
}
catch (UnknownHostException uhe)
{
Log.e(LOGTAG,"Unknownhost\n"+uhe.getStackTrace().toString());
}
catch (Exception e) {
Log.e(LOGTAG, "Socket failed\n"+e.getMessage());
e.printStackTrace();
}
disconnect();
Log.i(LOGTAG,"Thread now closing");
}
/**
* Disconnect from the server as well as closing i/o streams
*/
public void disconnect()
{
Log.i(LOGTAG, "Disconnecting from server");
try
{
in.close();
out.close();
}
catch(Exception e)
{/*do nothing*/}
try
{
socket.close();
}
catch(Exception e)
{/*do nothing*/}
}
}
我的堆栈跟踪：
04-21 03:26:22.944 25927-25927/? E/Zygote: v2
04-21 03:26:22.944 25927-25927/? I/libpersona: KNOX_SDCARD checking this for 10004
04-21 03:26:22.944 25927-25927/? I/libpersona: KNOX_SDCARD not a persona
04-21 03:26:22.944 25927-25927/? I/SELinux: Function: selinux_compare_spd_ram, index[1], SPD-policy is existed. and_ver=SEPF_SM-G920F_5.1.1 ver=38
04-21 03:26:22.944 25927-25927/? W/SELinux: Function: selinux_compare_spd_ram, index[1], priority [2], priority version is VE=SEPF_SECMOBILE_6.0.1_0008
04-21 03:26:22.944 25927-25927/? E/Zygote: accessInfo : 0
04-21 03:26:22.944 25927-25927/? W/SELinux: SELinux: seapp_context_lookup: seinfo=default, level=s0:c512,c768, pkgname=uk.ac.man.cs.COMP28512.lab4
04-21 03:26:22.944 25927-25927/? I/art: Late-enabling -Xcheck:jni
04-21 03:26:22.984 25927-25927/? D/TimaKeyStoreProvider: TimaSignature is unavailable
04-21 03:26:22.984 25927-25927/? D/ActivityThread: Added TimaKeyStore provider
04-21 03:26:23.314 25927-25927/uk.ac.man.cs.COMP28512.lab4 W/ResourcesManager: getTopLevelResources: /data/app/uk.ac.man.cs.COMP28512.lab4-2/base.apk / 1.0 running in uk.ac.man.cs.COMP28512.lab4 rsrc of package uk.ac.man.cs.COMP28512.lab4
04-21 03:26:23.314 25927-25927/uk.ac.man.cs.COMP28512.lab4 I/InjectionManager: Inside getClassLibPath + mLibMap{0=, 1=}
04-21 03:26:23.314 25927-25927/uk.ac.man.cs.COMP28512.lab4 D/ResourcesManager: For user 0 new overlays fetched Null
04-21 03:26:23.324 25927-25927/uk.ac.man.cs.COMP28512.lab4 I/InjectionManager: Inside getClassLibPath caller
04-21 03:26:23.324 25927-25927/uk.ac.man.cs.COMP28512.lab4 W/System: ClassLoader referenced unknown path: /data/app/uk.ac.man.cs.COMP28512.lab4-2/lib/arm64
04-21 03:26:23.334 25927-25927/uk.ac.man.cs.COMP28512.lab4 D/InjectionManager: InjectionManager
04-21 03:26:23.334 25927-25927/uk.ac.man.cs.COMP28512.lab4 D/InjectionManager: fillFeatureStoreMap uk.ac.man.cs.COMP28512.lab4
04-21 03:26:23.334 25927-25927/uk.ac.man.cs.COMP28512.lab4 I/InjectionManager: Constructor uk.ac.man.cs.COMP28512.lab4, Feature store :{}
04-21 03:26:23.334 25927-25927/uk.ac.man.cs.COMP28512.lab4 I/InjectionManager: featureStore :{}
04-21 03:26:23.334 25927-25927/uk.ac.man.cs.COMP28512.lab4 W/ResourcesManager: getTopLevelResources: /data/app/uk.ac.man.cs.COMP28512.lab4-2/base.apk / 1.0 running in uk.ac.man.cs.COMP28512.lab4 rsrc of package uk.ac.man.cs.COMP28512.lab4
04-21 03:26:23.334 25927-25927/uk.ac.man.cs.COMP28512.lab4 W/ResourcesManager: getTopLevelResources: /data/app/uk.ac.man.cs.COMP28512.lab4-2/base.apk / 1.0 running in uk.ac.man.cs.COMP28512.lab4 rsrc of package uk.ac.man.cs.COMP28512.lab4
04-21 03:26:23.424 25927-25927/uk.ac.man.cs.COMP28512.lab4 I/MainPAge: onCreate entered
04-21 03:26:23.424 25927-25953/uk.ac.man.cs.COMP28512.lab4 I/SocketTester: Running socket thread
04-21 03:26:23.424 25927-25927/uk.ac.man.cs.COMP28512.lab4 D/Activity: performCreate Call Injection manager
04-21 03:26:23.424 25927-25953/uk.ac.man.cs.COMP28512.lab4 I/SocketTester: LOL
04-21 03:26:23.434 25927-25927/uk.ac.man.cs.COMP28512.lab4 I/InjectionManager: dispatchOnViewCreated > Target : uk.ac.man.cs.COMP28512.lab4.MainActivity isFragment :false
04-21 03:26:23.434 25927-25927/uk.ac.man.cs.COMP28512.lab4 D/SecWifiDisplayUtil: Metadata value : SecSettings2
04-21 03:26:23.434 25927-25927/uk.ac.man.cs.COMP28512.lab4 D/ViewRootImpl: #1 mView = com.android.internal.policy.PhoneWindow$DecorView{32ba211 I.E...... R.....ID 0,0-0,0}
04-21 03:26:23.444 25927-25954/uk.ac.man.cs.COMP28512.lab4 D/OpenGLRenderer: Use EGL_SWAP_BEHAVIOR_PRESERVED: true
04-21 03:26:23.534 25927-25954/uk.ac.man.cs.COMP28512.lab4 D/libEGL: loaded /vendor/lib64/egl/libGLES_mali.so
04-21 03:26:23.554 25927-25954/uk.ac.man.cs.COMP28512.lab4 D/libEGL: eglInitialize EGLDisplay = 0x7f7a7fa178
04-21 03:26:23.554 25927-25954/uk.ac.man.cs.COMP28512.lab4 I/OpenGLRenderer: Initialized EGL, version 1.4
04-21 03:26:23.564 25927-25954/uk.ac.man.cs.COMP28512.lab4 D/mali_winsys: new_window_surface returns 0x3000, [1440x2560]-format:1
04-21 03:26:23.584 25927-25927/uk.ac.man.cs.COMP28512.lab4 V/ActivityThread: updateVisibility : ActivityRecord{5c6e414 token=android.os.BinderProxy@7720f66 {uk.ac.man.cs.COMP28512.lab4/uk.ac.man.cs.COMP28512.lab4.MainActivity}} show : true
04-21 03:26:23.594 25927-25927/uk.ac.man.cs.COMP28512.lab4 I/InjectionManager: dispatchCreateOptionsMenu :uk.ac.man.cs.COMP28512.lab4.MainActivity
04-21 03:26:23.594 25927-25927/uk.ac.man.cs.COMP28512.lab4 I/InjectionManager: dispatchPrepareOptionsMenu :uk.ac.man.cs.COMP28512.lab4.MainActivity
04-21 03:26:23.604 25927-25927/uk.ac.man.cs.COMP28512.lab4 W/DisplayListCanvas: DisplayListCanvas is started on unbinded RenderNode (without mOwningView)
04-21 03:26:23.604 25927-25954/uk.ac.man.cs.COMP28512.lab4 D/libGLESv1: DTS_GLAPI : DTS is not allowed for Package : uk.ac.man.cs.COMP28512.lab4
04-21 03:26:23.754 25927-25927/uk.ac.man.cs.COMP28512.lab4 D/ViewRootImpl: MSG_RESIZED_REPORT: ci=Rect(0, 96 - 0, 0) vi=Rect(0, 96 - 0, 0) or=1
04-21 03:26:23.764 25927-25927/uk.ac.man.cs.COMP28512.lab4 I/Timeline: Timeline: Activity_idle id: android.os.BinderProxy@7720f66 time:49211824
感谢任何帮助！