Android beginners in learning scoket socket programming, I'm writing a use Arduino board to get the data and transfer data through wifi mobile phone project, now Android can send data to the wifi, then Arduinno sensors to the data can be printed on the serial port, please everyone a great god, and on the Android side how can I get the data on the serial port?

Below is a part of the process and the part of the code of the project:

1. The Android client:
Public class MainActivity extends AppCompatActivity {
Private EditText mEtIp mEtData;
private TextView tv;
Private OutputStream mOutputStream=null;
Private InputStream mInputStream=null;
Private Socket mSocket=null;
Private IP String;
Private String data.
Private Boolean socketStatus=false;

@ Override
Protected void onCreate (Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
MEtIp=the findViewById (R.i d.e t_ip);
MEtData=https://bbs.csdn.net/topics/findViewById (R.i d.e t_data);
}
Public void connect (View View) {
IP=mEtIp. GetText (). The toString ();
Toast. MakeText (MainActivity. This, "" + IP, Toast. LENGTH_SHORT), show ();
Thread the Thread=new Thread () {
@ Override
Public void the run () {
Super. The run ();
if (! SocketStatus) {
Try {
//to connect server
MSocket=new Socket (IP, 2001);
If (mSocket!=null) {
SocketStatus=true;
}
MOutputStream=mSocket. GetOutputStream ();
MInputStream=mSocket. GetInputStream ();
} the catch (IOException e) {
e.printStackTrace();
}
}
}
};
Thread. The start ();
}
Public void the send (View View) {
Data=(https://bbs.csdn.net/topics/mEtData.getText). The toString ();
Toast. MakeText (MainActivity. This, "" + data, Toast. LENGTH_SHORT), show ();
If (data!=null) {
Data=https://bbs.csdn.net/topics/data + '\ 0';
}
Thread the Thread=new Thread () {
@ Override
Public void the run () {
Super. The run ();
If (socketStatus) {
Try {
MOutputStream. Write (data. GetBytes ());

//the problem here, I want to pass the data inside the input stream for a serial port, but can't get, and the Log is printed in Chinese garbled, but I am not Chinese in the serial
Byte [] buffer=new byte [mInputStream. Available ()];
MInputStream. Read (buffer);
String s1=new String (buffer);
The Log i. (" context ", s1);
} the catch (IOException e) {
e.printStackTrace();
}
}
}
};
Thread. The start ();
}
/* when the client interface returns, shut down the corresponding socket resources */
@ Override
Public void onBackPressed () {
Super. OnBackPressed ();
/* * close corresponding resources/
Try {
MOutputStream. Close ();
MSocket. Close ();
} the catch (IOException e) {
e.printStackTrace();
}
}

Public static String readStream (InputStream in) {
Try {
ByteArrayOutputStream baos=new ByteArrayOutputStream ();
byte[] buffer=new byte[1024];
Int len=1;
While ((len=in. Read (buffer))!=1) {
Baos. Write (buffer, 0, len);
}
The String content=baos. ToString ();
in.close();
Baos. Close ();
Return the content;
} the catch (Exception e) {
e.printStackTrace();
return e.getMessage();
}
}
}

This is the android side interface, enter the IP address to connect wifi, sent via send button again to obtain the data



This is a serial port debug software, after I sent the android data, Arduino board will I hope to get the data to print on the serial port, now I just want to in the mobile terminal access to these data,



The great god excuse me, is there a way to let me get on the Android end these data in the serial debugging software?? Thank you for the

CodePudding user response:

How could the JAVA realization of serial port to read and write?
Through the C/C + + is needed to support, that is, through the JNI bridge, there is a GOOGLE open source, you consult:
https://code.google.com/p/android-serialport-api/

CodePudding user response:

See,,,,,