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POFatalException when trying to open alert dialog box for the second time
 

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  1. POFatalException when trying to open alert dialog box for the second time
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    <p>here is my code</p> <pre><code>import java.util.ArrayList; import java.util.Calendar; import java.util.HashMap; import java.util.List; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.NodeList; import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.content.DialogInterface.OnClickListener; import android.content.Intent; import android.graphics.Color; import android.os.Bundle; import android.util.Log; import android.view.Menu; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.RadioButton; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends Activity implements OnClickListener { RadioButton r1, r2; Button exit, submit, report,settings,about; EditText amount; double Liters = 0; double ppetrol; double pdiesel; double damount; String date, time, dbamt; String price_petrol; String price_diesel; DatabaseHandler db; // XML parsing data types // All static variables static final String URL = "http://pixelexis.host56.com/data.xml"; // XML node keys static final String KEY_ITEM = "item"; // parent node(to check every nodes) static final String PETROL = "petrol"; static final String DIESEL = "diesel"; AlertDialog.Builder alert; TextView input1; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); alert = new AlertDialog.Builder(this); input1 = new TextView(this); r1 = (RadioButton)findViewById(R.id.radiopetrol); r2 = (RadioButton)findViewById(R.id.radiodiesel); exit = (Button)findViewById(R.id.exitbutton); submit = (Button)findViewById(R.id.submit); amount = (EditText)findViewById(R.id.amt); report = (Button)findViewById(R.id.repobutton); settings = (Button)findViewById(R.id.setbutton); about = (Button)findViewById(R.id.abtbutton); final DatabaseHandler db = new DatabaseHandler(this); final Calendar c = Calendar.getInstance(); int mYear = c.get(Calendar.YEAR); int mMonth = c.get(Calendar.MONTH); int mDay = c.get(Calendar.DAY_OF_MONTH); int mHour = c.get(Calendar.HOUR_OF_DAY); int mMinute = c.get(Calendar.MINUTE); TextView t = (TextView)findViewById(R.id.time); TextView d = (TextView)findViewById(R.id.date); d.setText(" Date:" + mDay+" / "+mMonth+1 + " / "+mYear+" "); t.setText("Time:" + mHour+" : "+mMinute); date = d.getText().toString(); time = t.getText().toString(); // XML to HashMap ArrayList&lt;HashMap&lt;String, String&gt;&gt; menuItems = new ArrayList&lt;HashMap&lt;String, String&gt;&gt;(); XMLParser parser = new XMLParser(); String xml = parser.getXmlFromUrl(URL); // getting XML Document doc = parser.getDomElement(xml); // getting DOM element NodeList nl = doc.getElementsByTagName(KEY_ITEM); // looping through all item nodes &lt;item&gt; for (int i = 0; i &lt; nl.getLength(); i++) { // creating new HashMap HashMap&lt;String, String&gt; map = new HashMap&lt;String, String&gt;(); Element e = (Element) nl.item(i); // adding each child node to HashMap key =&gt; value map.put(PETROL, parser.getValue(e, PETROL)); map.put(DIESEL, parser.getValue(e, DIESEL)); // adding HashList to ArrayList menuItems.add(map); } menuItems.trimToSize(); price_petrol = menuItems.get(0).values().toString(); price_diesel = menuItems.get(1).values().toString(); String regx = ",[] "; char[] ca = regx.toCharArray(); for(char c1 : ca) { price_petrol = price_petrol.replace(""+c1, ""); price_diesel = price_diesel.replace(""+c1, ""); } System.out.println("Price of petrol = " + price_petrol); System.out.println("Price of diesel = " + price_diesel); ppetrol = Double.parseDouble(price_petrol); pdiesel = Double.parseDouble(price_diesel); // int count = db.getValuesCount(); /** * DATABASE OPERATIONS * */ // Inserting values Log.d("Insert: ", "Inserting .."); // db.addValues(new Values(date, time, price_petrol,dbamt )); exit.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { System.exit(0); // Force stopping all process and shutting down application } }); about.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Toast.makeText(getApplicationContext(), "App by Junior Hacker...", Toast.LENGTH_LONG).show(); } }); settings.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { alert.setTitle("Current fuel price"); alert.setView(input1); input1.setTextColor(Color.parseColor("#FFFFFF")); input1.setText("Petrol : "+price_petrol+ " Diesel : "+price_diesel); alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { dialog.dismiss(); } }); alert.show(); } }); report.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent i = new Intent(getApplicationContext(), ListviewActivity.class); startActivity(i); } }); submit.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { dbamt = amount.getText().toString(); if(amount.getText().toString() != null &amp;&amp; ! amount.getText().toString().equalsIgnoreCase("")) { if(r1.isChecked()) { damount = Double.parseDouble(amount.getText().toString()); Liters = damount/ppetrol; db.addValues(new Values(date, time, price_petrol,dbamt )); Toast.makeText(getApplicationContext(), "Data Submitted Successfully", Toast.LENGTH_LONG).show(); amount.setText(""); // Reading all values Log.d("Reading: ", "Reading all contacts.."); List&lt;Values&gt; value = db.getAllValues(); for (Values val : value) { String log = "Id: "+val.getID()+" ,Date: " + val.getDate() + " ,Time: " + val.getTime() + ",Price: " + val.getPrice() + ",Amount: " + val.getAmount(); // Writing values to log Log.d("The Log-&gt; ", log); } } else if(r2.isChecked()) { damount = Double.parseDouble(amount.getText().toString()); Liters = damount/pdiesel; Toast.makeText(getApplicationContext(), "Data Submitted Successfully", Toast.LENGTH_LONG).show(); db.addValues(new Values(date, time, price_diesel,dbamt )); // Reading all values Log.d("Reading: ", "Reading all contacts.."); List&lt;Values&gt; value = db.getAllValues(); for (Values val : value) { String log = "Id: "+val.getID()+" ,Date: " + val.getDate() + " ,Time: " + val.getTime() + ",Price: " + val.getPrice() + ",Amount: " + val.getAmount(); // Writing values to log Log.d("The Log-&gt; ", log); } } System.out.println(Liters); } else { Toast.makeText(getApplicationContext(), "Invalid amount!", Toast.LENGTH_LONG).show(); } } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.activity_main, menu); return true; } @Override public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method stub } } </code></pre> <p>the dialog appears on the first click, the next click ends with a <code>FatalException</code></p> <p>and here is my logcat</p> <pre><code>01-31 15:57:55.692: D/AndroidRuntime(272): Shutting down VM 01-31 15:57:55.692: W/dalvikvm(272): threadid=1: thread exiting with uncaught exception (group=0x4001d800) 01-31 15:57:55.762: D/dalvikvm(272): GC_FOR_MALLOC freed 2922 objects / 185432 bytes in 61ms 01-31 15:57:55.772: E/AndroidRuntime(272): FATAL EXCEPTION: main 01-31 15:57:55.772: E/AndroidRuntime(272): java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first. 01-31 15:57:55.772: E/AndroidRuntime(272): at android.view.ViewGroup.addViewInner(ViewGroup.java:1970) 01-31 15:57:55.772: E/AndroidRuntime(272): at android.view.ViewGroup.addView(ViewGroup.java:1865) 01-31 15:57:55.772: E/AndroidRuntime(272): at android.view.ViewGroup.addView(ViewGroup.java:1845) 01-31 15:57:55.772: E/AndroidRuntime(272): at com.android.internal.app.AlertController.setupView(AlertController.java:364) 01-31 15:57:55.772: E/AndroidRuntime(272): at com.android.internal.app.AlertController.installContent(AlertController.java:205) 01-31 15:57:55.772: E/AndroidRuntime(272): at android.app.AlertDialog.onCreate(AlertDialog.java:251) 01-31 15:57:55.772: E/AndroidRuntime(272): at android.app.Dialog.dispatchOnCreate(Dialog.java:307) 01-31 15:57:55.772: E/AndroidRuntime(272): at android.app.Dialog.show(Dialog.java:225) 01-31 15:57:55.772: E/AndroidRuntime(272): at android.app.AlertDialog$Builder.show(AlertDialog.java:802) 01-31 15:57:55.772: E/AndroidRuntime(272): at com.aabasoft.fuelcalc.MainActivity$3.onClick(MainActivity.java:195) 01-31 15:57:55.772: E/AndroidRuntime(272): at android.view.View.performClick(View.java:2408) 01-31 15:57:55.772: E/AndroidRuntime(272): at android.view.View$PerformClick.run(View.java:8816) 01-31 15:57:55.772: E/AndroidRuntime(272): at android.os.Handler.handleCallback(Handler.java:587) 01-31 15:57:55.772: E/AndroidRuntime(272): at android.os.Handler.dispatchMessage(Handler.java:92) 01-31 15:57:55.772: E/AndroidRuntime(272): at android.os.Looper.loop(Looper.java:123) 01-31 15:57:55.772: E/AndroidRuntime(272): at android.app.ActivityThread.main(ActivityThread.java:4627) 01-31 15:57:55.772: E/AndroidRuntime(272): at java.lang.reflect.Method.invokeNative(Native Method) 01-31 15:57:55.772: E/AndroidRuntime(272): at java.lang.reflect.Method.invoke(Method.java:521) 01-31 15:57:55.772: E/AndroidRuntime(272): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) 01-31 15:57:55.772: E/AndroidRuntime(272): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) 01-31 15:57:55.772: E/AndroidRuntime(272): at dalvik.system.NativeStart.main(Native Method) </code></pre> <p>What is the problem here? I have other projects also with the same problem, where I need to accept strings from the user using EditTexts, there also the app stops.</p>
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    1. USNiko
    1. USNiko
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      1. VTFavorite
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      1. VTUpMod
    1. COWhere you get exception, please add logs from Logcat.
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      1. USManishL
    2. COAdd the logcat errors and point out the code where the error occurs. Also post the entire code, where you are initialising the dialog.
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      1. USSahil Mahajan Mj
    3. COput the full code friemd
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      1. USVenkatesh S
 

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