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POAndroid unable to add getByName
 

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  1. POAndroid unable to add getByName
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    <p>I'm trying to add getByName to get the IP address of a hostname and use it in my POST command the problem is wherever i insert this code it crashes i tried to insert in doInBackground it also crashes So where should i insert it ??</p> <pre><code>package com.example.loginad; import java.net.InetAddress; import java.util.ArrayList; import java.util.List; import org.apache.http.HttpResponse; import org.apache.http.NameValuePair; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.HttpClient; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpPost; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.message.BasicNameValuePair; import android.os.AsyncTask; import android.os.Bundle; import android.app.Activity; import android.content.Intent; import android.view.Menu; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; public class Logindb extends Activity { Button login; EditText u,p; TextView res; String result; String x="mobile"; String host; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.logindb); login=(Button)findViewById(R.id.login); u=(EditText)findViewById(R.id.u); p=(EditText)findViewById(R.id.p); res=(TextView)findViewById(R.id.res); login.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { new MyAsyncTask().execute(u.getText().toString(),p.getText().toString()); } }); } private class MyAsyncTask extends AsyncTask&lt;String, Integer, Boolean&gt;{ @Override protected Boolean doInBackground(String... params) { // TODO Auto-generated method stub boolean success = postData(params[0],params[1]); try { InetAddress address=null; address = InetAddress.getByName("Nicky-PC"); host=address.getHostAddress(); } catch(Exception e) { e.printStackTrace(); } return success; } protected void onPostExecute(Boolean localres){ if (localres){ res.setText("A Correct Username and Password"); }else{ res.setText("Incorrect Username or Password"); } Toast.makeText(getApplicationContext(), "command sent", Toast.LENGTH_LONG).show(); } protected void onProgressUpdate(Integer... progress){ //pb.setProgress(progress[0]); //Toast.makeText(getApplicationContext(), "Done", Toast.LENGTH_LONG).show(); } /*public void ObtainHost() { try { } catch(Exception e) { Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_LONG).show(); } } */ public Boolean postData(String a,String b) { ArrayList&lt;NameValuePair&gt; postParameters = new ArrayList&lt;NameValuePair&gt;(); postParameters.add(new BasicNameValuePair("username", a)); postParameters.add(new BasicNameValuePair("password", b)); postParameters.add(new BasicNameValuePair("mobileid",x)); // String valid = "1"; String response = null; try { // Toast.makeText(getApplicationContext(), host.toString(), Toast.LENGTH_LONG).show(); response = CustomHttpClient.executeHttpPost("http://"+host+"/new/check.php",postParameters); //now in result you will have the response from php file either 0 or 1. result = response.toString(); // res = res.trim(); result = result.replaceAll("\\s+", ""); // error.setText(res); } catch (Exception e) { res.setText(e.toString()); } return result.equals("1"); } } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.logindb, menu); return true; } } </code></pre> <p>Stacktrace</p> <pre><code>11-26 21:28:37.856: D/libEGL(17150): loaded /system/lib/egl/libEGL_genymotion.so 11-26 21:28:37.876: D/(17150): HostConnection::get() New Host Connection established 0xb8ed35a8, tid 17150 11-26 21:28:37.900: D/libEGL(17150): loaded /system/lib/egl/libGLESv1_CM_genymotion.so 11-26 21:28:37.900: D/libEGL(17150): loaded /system/lib/egl/libGLESv2_genymotion.so 11-26 21:28:37.968: W/EGL_genymotion(17150): eglSurfaceAttrib not implemented 11-26 21:28:37.976: E/OpenGLRenderer(17150): Getting MAX_TEXTURE_SIZE from GradienCache 11-26 21:28:37.996: E/OpenGLRenderer(17150): Getting MAX_TEXTURE_SIZE from Caches::initConstraints() 11-26 21:28:37.996: D/OpenGLRenderer(17150): Enabling debug mode 0 11-26 21:28:44.876: W/dalvikvm(17150): threadid=13: thread exiting with uncaught exception (group=0xa4c1f648) 11-26 21:28:44.920: E/AndroidRuntime(17150): FATAL EXCEPTION: AsyncTask #3 11-26 21:28:44.920: E/AndroidRuntime(17150): java.lang.RuntimeException: An error occured while executing doInBackground() 11-26 21:28:44.920: E/AndroidRuntime(17150): at android.os.AsyncTask$3.done(AsyncTask.java:299) 11-26 21:28:44.920: E/AndroidRuntime(17150): at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:352) 11-26 21:28:44.920: E/AndroidRuntime(17150): at java.util.concurrent.FutureTask.setException(FutureTask.java:219) 11-26 21:28:44.920: E/AndroidRuntime(17150): at java.util.concurrent.FutureTask.run(FutureTask.java:239) 11-26 21:28:44.920: E/AndroidRuntime(17150): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230) 11-26 21:28:44.920: E/AndroidRuntime(17150): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080) 11-26 21:28:44.920: E/AndroidRuntime(17150): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573) 11-26 21:28:44.920: E/AndroidRuntime(17150): at java.lang.Thread.run(Thread.java:841) 11-26 21:28:44.920: E/AndroidRuntime(17150): Caused by: android.view.ViewRootImpl$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views. 11-26 21:28:44.920: E/AndroidRuntime(17150): at android.view.ViewRootImpl.checkThread(ViewRootImpl.java:5908) 11-26 21:28:44.920: E/AndroidRuntime(17150): at android.view.ViewRootImpl.requestLayout(ViewRootImpl.java:837) 11-26 21:28:44.920: E/AndroidRuntime(17150): at android.view.View.requestLayout(View.java:15792) 11-26 21:28:44.920: E/AndroidRuntime(17150): at android.view.View.requestLayout(View.java:15792) 11-26 21:28:44.920: E/AndroidRuntime(17150): at android.view.View.requestLayout(View.java:15792) 11-26 21:28:44.920: E/AndroidRuntime(17150): at android.view.View.requestLayout(View.java:15792) 11-26 21:28:44.920: E/AndroidRuntime(17150): at android.widget.RelativeLayout.requestLayout(RelativeLayout.java:358) 11-26 21:28:44.920: E/AndroidRuntime(17150): at android.view.View.requestLayout(View.java:15792) 11-26 21:28:44.920: E/AndroidRuntime(17150): at android.widget.TextView.checkForRelayout(TextView.java:6524) 11-26 21:28:44.920: E/AndroidRuntime(17150): at android.widget.TextView.setText(TextView.java:3771) 11-26 21:28:44.920: E/AndroidRuntime(17150): at android.widget.TextView.setText(TextView.java:3629) 11-26 21:28:44.920: E/AndroidRuntime(17150): at android.widget.TextView.setText(TextView.java:3604) 11-26 21:28:44.920: E/AndroidRuntime(17150): at com.example.loginad.Logindb$MyAsyncTask.postData(Logindb.java:130) 11-26 21:28:44.920: E/AndroidRuntime(17150): at com.example.loginad.Logindb$MyAsyncTask.doInBackground(Logindb.java:70) 11-26 21:28:44.920: E/AndroidRuntime(17150): at com.example.loginad.Logindb$MyAsyncTask.doInBackground(Logindb.java:1) 11-26 21:28:44.920: E/AndroidRuntime(17150): at android.os.AsyncTask$2.call(AsyncTask.java:287) 11-26 21:28:44.920: E/AndroidRuntime(17150): at java.util.concurrent.FutureTask.run(FutureTask.java:234) 11-26 21:28:44.920: E/AndroidRuntime(17150): ... 4 more 11-26 21:28:44.932: D/dalvikvm(17150): GC_FOR_ALLOC freed 259K, 5% free 6365K/6660K, paused 8ms, total 8ms </code></pre>
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    1. PO
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      1. PTAnswer
    1. This table or related slice is empty.
    1. PTQuestion
    1. USuser1928775
    1. USuser1928775
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PO
      singulars
      1. PTAnswer
    1. This table or related slice is empty.
    1. COWhere it doesn't crash. Sorry, couldn't resist. Please post the stack trace. NetworkOnMainThreadException?
      singulars
      1. POAndroid unable to add getByName
      1. USSimon
    2. COit crashes when you insert the code above the full code that gets the hostname ,the stacktrace how to post it just give me a link that show me the steps
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      1. POAndroid unable to add getByName
      1. USuser1928775
    3. CONo it doesn't. Stack trace or no-one can help.
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      1. POAndroid unable to add getByName
      1. USSimon
 

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