...have you declared this activity in your AndroidManifest.xml
<p>I use an intent to point to next activity but when i click on the button i get the following error.</p>

<pre><code>03-29 11:25:55.414: E/AndroidRuntime(3921): FATAL EXCEPTION: main
\
**03-29 11:25:55.414: E/AndroidRuntime(3921): android.content.ActivityNotFoundException: 
Unable to find explicit activity class {mycube.test/mycube.test.Compte}; have you declared 
this activity in your AndroidManifest.xml?**

03-29 11:25:55.414: E/AndroidRuntime(3921):     at

 android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1405)

03-29 11:25:55.414: E/AndroidRuntime(3921):     at 

android.app.Instrumentation.execStartActivity(Instrumentation.java:1379)


03-29 11:25:55.414: E/AndroidRuntime(3921):     at 

android.app.Activity.startActivityForResult(Activity.java:2827)


03-29 11:25:55.414: E/AndroidRuntime(3921):     at 

android.app.Activity.startActivity(Activity.java:2933)

03-29 11:25:55.414: E/AndroidRuntime(3921):     at mycube.test.Menu.onClick(Menu.java:143)

03-29 11:25:55.414: E/AndroidRuntime(3921):     at 

android.view.View.performClick(View.java:2538)

03-29 11:25:55.414: E/AndroidRuntime(3921):     at 

android.view.View$PerformClick.run(View.java:9152)

03-29 11:25:55.414: E/AndroidRuntime(3921):     at 

android.os.Handler.handleCallback(Handler.java:587)

03-29 11:25:55.414: E/AndroidRuntime(3921):     at 

android.os.Handler.dispatchMessage(Handler.java:92)

03-29 11:25:55.414: E/AndroidRuntime(3921):     at android.os.Looper.loop(Looper.java:130)

03-29 11:25:55.414: E/AndroidRuntime(3921):     at 

android.app.ActivityThread.main(ActivityThread.java:3687)

03-29 11:25:55.414: E/AndroidRuntime(3921):     at 

java.lang.reflect.Method.invokeNative(Native Method)

03-29 11:25:55.414: E/AndroidRuntime(3921):     at 

java.lang.reflect.Method.invoke(Method.java:507)

03-29 11:25:55.414: E/AndroidRuntime(3921):     at 

com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:842)

03-29 11:25:55.414: E/AndroidRuntime(3921):     at 

com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)

03-29 11:25:55.414: E/AndroidRuntime(3921):     at dalvik.system.NativeStart.main(Native Method)
</code></pre>

<p>However the file exist in my manifest. Is it an eclipse problem or i ommitted a line in my manifest ? Please help. Here is my manifest file.</p>

<pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;

&lt;manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="mycube.test"
    android:versionCode="1"
    android:versionName="1.0" &gt;

    &lt;uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="17" /&gt;

    &lt;application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@android:style/Theme.Light.NoTitleBar" &gt;

        &lt;activity
            android:name=".Menu" 
            android:screenOrientation="portrait"
            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;/application&gt;

    &lt;uses-permission android:name="android.permission.INTERNET"&gt;&lt;/uses-permission&gt;

    &lt;activity  android:name=".Compte"  android:screenOrientation="portrait" /&gt;
&lt;/manifest&gt;
</code></pre>
