title: Unknown Reason Application crases
body: <p>Android manifest code</p>
  
  <pre><code>     &lt;?xml version="1.0" encoding="utf-8"?&gt;
         &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android"
         package="com.example.takeit"
         :versionCode="1"
            android:versionName="1.0" &gt;
  
            &lt;uses-sdk
               android:minSdkVersion="8"
                android:targetSdkVersion="18" /&gt;
  
            &lt;application
               android:allowBackup="true"
                android:icon="@drawable/ic_launcher"
                 android:label="@string/app_name"
                 android:theme="@style/AppTheme" &gt;
             &lt;activity
                 android:name="com.example.takeit.MainActivity"
                  android:label="@string/app_name" &gt;
                  &lt;intent-filter&gt;
                    &lt;action android:name="android.intent.action.MAIN" /&gt;
  
              &lt;category android:name="android.intent.category.LAUNCHER" /&gt;
          &lt;/intent-filter&gt;
      &lt;/activity&gt;
      &lt;activity android:name=".MainActivity2" /&gt;
      &lt;activity android:name=".SignUP" /&gt;
      &lt;activity android:name=".Menu" /&gt;
      &lt;activity
          android:name=".QuestionActivity"
          android:label="@string/title_activity_question" &gt;
             &lt;/activity&gt;
         &lt;/application&gt;
  
     &lt;/manifest&gt;
  </code></pre>
  
  <p>Logcat Error:
         08-17 02:12:35.188: E/AndroidRuntime(1154): FATAL EXCEPTION: main
         08-17 02:12:35.188: E/AndroidRuntime(1154):<br>
         android.content.ActivityNotFoundException: Unable to find explicit activity class 
          {com.example.takeit/android.view.Menu}; have you declared this activity in your<br>
          AndroidManifest.xml?</p>
  
  <pre><code>  08-17 02:12:35.188: E/AndroidRuntime(1154):   at  
    android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1624)
    08-17 02:12:35.188: E/AndroidRuntime(1154):   at 
    android.app.Instrumentation.execStartActivity(Instrumentation.java:1423)
    08-17 02:12:35.188: E/AndroidRuntime(1154):   at       
    android.app.Activity.startActivityForResult(Activity.java:3388)
    08-17 02:12:35.188: E/AndroidRuntime(1154):   at   
    android.app.Activity.startActivityForResult(Activity.java:3349)
    08-17 02:12:35.188: E/AndroidRuntime(1154):   at 
    android.app.Activity.startActivity(Activity.java:3584)
    08-17 02:12:35.188: E/AndroidRuntime(1154):   at 
    android.app.Activity.startActivity(Activity.java:3552)
    08-17 02:12:35.188: E/AndroidRuntime(1154):   at  
    com.example.takeit.MainActivity2$2.onClick(MainActivity2.java:67)
    08-17 02:12:35.188: E/AndroidRuntime(1154):   at 
    android.view.View.performClick(View.java:4212)
    08-17 02:12:35.188: E/AndroidRuntime(1154):   at 
    android.view.View$PerformClick.run(View.java:17476)
    08-17 02:12:35.188: E/AndroidRuntime(1154):   at 
    android.os.Handler.handleCallback(Handler.java:800)
    08-17 02:12:35.188: E/AndroidRuntime(1154):   at  
    android.os.Handler.dispatchMessage(Handler.java:100)
    08-17 02:12:35.188: E/AndroidRuntime(1154):   at 
    android.os.Looper.loop(Looper.java:194)
    08-17 02:12:35.188: E/AndroidRuntime(1154):   at   
    android.app.ActivityThread.main(ActivityThread.java:5371)
    08-17 02:12:35.188: E/AndroidRuntime(1154):   at 
    java.lang.reflect.Method.invokeNative(Native Method)
    08-17 02:12:35.188: E/AndroidRuntime(1154):   at 
    java.lang.reflect.Method.invoke(Method.java:525)
    08-17 02:12:35.188: E/AndroidRuntime(1154):   at 
    com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:833)
    08-17 02:12:35.188: E/AndroidRuntime(1154):   at 
    com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)
    08-17 02:12:35.188: E/AndroidRuntime(1154):   at          
    dalvik.system.NativeStart.main(Native Method)
  </code></pre>
  
  <p>Can not understand why??</p>