Include network permissions in the manifest and change the System.out.println
s to Log.d()
to output to the Logcat.
TCP Client Socket not working inside onActivityResult()
-
25-09-2022 - |
Question
I am working with an android
TCP
Client Socket
program which is not responding when it is running in the device. I couldn't find any error in this program please help me to fix this.
code
import java.io.IOException;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.ArrayList;
import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.os.Bundle;
import android.speech.RecognizerIntent;
import android.view.Menu;
import android.view.View;
import android.widget.ImageButton;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends Activity {
protected static final int RESULT_SPEECH = 1;
private ImageButton btnSpeak;
private TextView txtText;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
txtText = (TextView) findViewById(R.id.txtText);
btnSpeak = (ImageButton) findViewById(R.id.btnSpeak);
btnSpeak.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(
RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, "en-US");
try {
startActivityForResult(intent, RESULT_SPEECH);
txtText.setText("");
} catch (ActivityNotFoundException a) {
Toast t = Toast.makeText(getApplicationContext(),
"OOps! Your device doesn't support Speech to Text",
Toast.LENGTH_SHORT);
t.show();
}
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
switch (requestCode) {
case RESULT_SPEECH: {
if (resultCode == RESULT_OK && null != data) {
ArrayList<String> text = data
.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);
try {
txtText.setText(text.get(0));
Socket client = new Socket("192.168.1.104", 4020); //connect to server
PrintWriter printwriter = new PrintWriter(client.getOutputStream(),true);
printwriter.write(text.get(0)); //write the message to output stream
printwriter.flush();
printwriter.close();
client.close(); //closing t\e connection
} catch (UnknownHostException e) {
System.out.println("ONE");
e.printStackTrace();
} catch (IOException e) {
System.out.println("TWO");
e.printStackTrace();
}
}
break;
}
}
}
}
Logcat
01-07 17:45:53.367: W/System.err(27224): java.net.SocketException: Permission denied
01-07 17:45:53.414: W/System.err(27224): at org.apache.harmony.luni.platform.OSNetworkSystem.socket(Native Method)
01-07 17:45:53.414: W/System.err(27224): at dalvik.system.BlockGuard$WrappedNetworkSystem.socket(BlockGuard.java:335)
01-07 17:45:53.414: W/System.err(27224): at org.apache.harmony.luni.net.PlainSocketImpl.create(PlainSocketImpl.java:216)
01-07 17:45:53.414: W/System.err(27224): at java.net.Socket.startupSocket(Socket.java:717)
01-07 17:45:53.414: W/System.err(27224): at java.net.Socket.tryAllAddresses(Socket.java:150)
01-07 17:45:53.414: W/System.err(27224): at java.net.Socket.<init>(Socket.java:209)
01-07 17:45:53.414: W/System.err(27224): at java.net.Socket.<init>(Socket.java:176)
01-07 17:45:53.414: W/System.err(27224): at net.viralpatel.android.speechtotextdemo.MainActivity.onActivityResult(MainActivity.java:78)
01-07 17:45:53.414: W/System.err(27224): at android.app.Activity.dispatchActivityResult(Activity.java:3908)
01-07 17:45:53.414: W/System.err(27224): at android.app.ActivityThread.deliverResults(ActivityThread.java:2532)
01-07 17:45:53.414: W/System.err(27224): at android.app.ActivityThread.handleSendResult(ActivityThread.java:2578)
01-07 17:45:53.414: W/System.err(27224): at android.app.ActivityThread.access$2000(ActivityThread.java:117)
01-07 17:45:53.414: W/System.err(27224): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:965)
01-07 17:45:53.414: W/System.err(27224): at android.os.Handler.dispatchMessage(Handler.java:99)
01-07 17:45:53.414: W/System.err(27224): at android.os.Looper.loop(Looper.java:130)
01-07 17:45:53.414: W/System.err(27224): at android.app.ActivityThread.main(ActivityThread.java:3687)
01-07 17:45:53.421: W/System.err(27224): at java.lang.reflect.Method.invokeNative(Native Method)
01-07 17:45:53.421: W/System.err(27224): at java.lang.reflect.Method.invoke(Method.java:507)
01-07 17:45:53.421: W/System.err(27224): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:867)
01-07 17:45:53.421: W/System.err(27224): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:625)
01-07 17:45:53.421: W/System.err(27224): at dalvik.system.NativeStart.main(Native Method)
01-07 17:45:53.437: W/IME_TAG(1510): unbindCurrentClientLocked:: mCurClient.client:com.android.internal.view.IInputMethodClient$Stub$Proxy@409c6758,mCaller.obtainMessageIO(MSG_UNBIND_METHOD, mCurSeq, mCurClient.client):{ what=3000 when=-13h21m11s837ms arg1=719 obj=com.android.internal.view.IInputMethodClient$Stub$Proxy@409c6758 }
01-07 17:45:53.437: W/IME_TAG(1510): unbindCurrentClientLocked:: try
Solution
OTHER TIPS
Better you put your network code inside a seperate thread then start a thread where you want
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