title: ClassCastException Android Eclipse
body: <p>I am getting the following errors when trying to run my application:
  Can you please tell me where I am going wrong :)
  Oh and also, how can I find out which line in my code the error is occurring? thanks</p>
  
  <pre><code>    02-03 08:01:31.159: ERROR/AndroidRuntime(281): FATAL EXCEPTION: main
  02-03 08:01:31.159: ERROR/AndroidRuntime(281): java.lang.RuntimeException: Unable to instantiate application com.android.demo.notepad2.NoteEdit: java.lang.ClassCastException: com.android.demo.notepad2.NoteEdit
  02-03 08:01:31.159: ERROR/AndroidRuntime(281):     at android.app.ActivityThread$PackageInfo.makeApplication(ActivityThread.java:649)
  02-03 08:01:31.159: ERROR/AndroidRuntime(281):     at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4232)
  02-03 08:01:31.159: ERROR/AndroidRuntime(281):     at android.app.ActivityThread.access$3000(ActivityThread.java:125)
  02-03 08:01:31.159: ERROR/AndroidRuntime(281):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2071)
  02-03 08:01:31.159: ERROR/AndroidRuntime(281):     at android.os.Handler.dispatchMessage(Handler.java:99)
  02-03 08:01:31.159: ERROR/AndroidRuntime(281):     at android.os.Looper.loop(Looper.java:123)
  02-03 08:01:31.159: ERROR/AndroidRuntime(281):     at android.app.ActivityThread.main(ActivityThread.java:4627)
  02-03 08:01:31.159: ERROR/AndroidRuntime(281):     at java.lang.reflect.Method.invokeNative(Native Method)
  02-03 08:01:31.159: ERROR/AndroidRuntime(281):     at java.lang.reflect.Method.invoke(Method.java:521)
  02-03 08:01:31.159: ERROR/AndroidRuntime(281):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
  02-03 08:01:31.159: ERROR/AndroidRuntime(281):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
  02-03 08:01:31.159: ERROR/AndroidRuntime(281):     at dalvik.system.NativeStart.main(Native Method)
  02-03 08:01:31.159: ERROR/AndroidRuntime(281): Caused by: java.lang.ClassCastException: com.android.demo.notepad2.NoteEdit
  02-03 08:01:31.159: ERROR/AndroidRuntime(281):     at android.app.Instrumentation.newApplication(Instrumentation.java:957)
  02-03 08:01:31.159: ERROR/AndroidRuntime(281):     at android.app.Instrumentation.newApplication(Instrumentation.java:942)
  02-03 08:01:31.159: ERROR/AndroidRuntime(281):     at android.app.ActivityThread$PackageInfo.makeApplication(ActivityThread.java:644)
  02-03 08:01:31.159: ERROR/AndroidRuntime(281):     ... 11 more
  </code></pre>
  
  <p>This is my NoteEdit class:</p>
  
  <pre><code>package com.android.demo.notepad2;
  
  import android.app.Activity;
  import android.content.Intent;
  import android.os.Bundle;
  import android.view.View;
  import android.widget.Button;
  import android.widget.EditText;
  
  public class NoteEdit extends Activity {
      EditText mTitleText;
      EditText mBodyText;
      Long mRowId;
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          // TODO Auto-generated method stub
          super.onCreate(savedInstanceState);
          setContentView(R.layout.note_edit);
          setTitle(R.string.edit_note);
          mTitleText = (EditText) findViewById(R.id.title);
          mBodyText = (EditText) findViewById(R.id.body);
          Button confirmButton = (Button) findViewById(R.id.confirm);
          mRowId = null;
          Bundle extras = getIntent().getExtras();
          if (extras != null) {
              String title = extras.getString(NotesDbAdapter.KEY_TITLE);
              String body = extras.getString(NotesDbAdapter.KEY_BODY);
              mRowId = extras.getLong(NotesDbAdapter.KEY_ROWID);
  
              if (title != null) {
                  mTitleText.setText(title);
              }
              if (body != null) {
                  mBodyText.setText(body);
              }
          }
  
          confirmButton.setOnClickListener(new View.OnClickListener() {
  
              public void onClick(View v) {
                  // TODO Auto-generated method stub
                  Bundle bundle = new Bundle();
                  bundle.putString(NotesDbAdapter.KEY_TITLE, mTitleText.getText()
                          .toString());
                  bundle.putString(NotesDbAdapter.KEY_BODY, mBodyText.getText()
                          .toString());
                  if (mRowId != null) {
                      bundle.putLong(NotesDbAdapter.KEY_ROWID, mRowId);
                  }
                  Intent mIntent = new Intent();
                  mIntent.putExtras(bundle);
                  setResult(RESULT_OK, mIntent);
                  finish();
              }
          });
  
      }
  }
  </code></pre>
  
  <p>This is the NoteEdit class layout:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  
  &lt;LinearLayout
      xmlns:android="http://schemas.android.com/apk/res/android"
      android:orientation="vertical"
      android:layout_width="match_parent"
      android:layout_height="match_parent"&gt;
  
      &lt;LinearLayout
          android:orientation="horizontal"
          android:layout_width="match_parent"
          android:layout_height="wrap_content"&gt;
  
          &lt;TextView
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:text="@string/title" /&gt;
          &lt;EditText
              android:id="@+id/title"
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:layout_weight="1" /&gt;
      &lt;/LinearLayout&gt;
  
      &lt;TextView
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:text="@string/body" /&gt;
      &lt;EditText
          android:id="@+id/body"
          android:layout_width="match_parent"
          android:layout_height="wrap_content"
          android:layout_weight="1"
          android:scrollbars="vertical" /&gt;
  
      &lt;Button
          android:id="@+id/confirm"
          android:text="@string/confirm"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content" /&gt;
  
  &lt;/LinearLayout&gt;
  </code></pre>