android - crash on Splash to Menu -

when splash screen moveed menu, program crashed. logcat details while crash follows :

04-24 11:40:17.082: e/androidruntime(3180):     @ android.app.instrumentation.checkstartactivityresult(instrumentation.java:1508) 04-24 11:40:17.082: e/androidruntime(3180):     @ android.app.instrumentation.execstartactivity(instrumentation.java:1384) 04-24 11:40:17.082: e/androidruntime(3180):     @ android.app.activity.startactivityforresult(activity.java:3190) 04-24 11:40:17.082: e/androidruntime(3180):     @ android.app.activity.startactivity(activity.java:3297) 04-24 11:40:17.082: e/androidruntime(3180):     @ com.pearson.lagp.v3.startactivity$1.run(startactivity.java:68) 04-24 11:40:17.082: e/androidruntime(3180):     @ android.os.handler.handlecallback(handler.java:605) 04-24 11:40:17.082: e/androidruntime(3180):     @ android.os.handler.dispatchmessage(handler.java:92) 04-24 11:40:17.082: e/androidruntime(3180):     @ android.os.looper.loop(looper.java:137) 04-24 11:40:17.082: e/androidruntime(3180):     @ android.app.activitythread.main(activitythread.java:4448) 04-24 11:40:17.082: e/androidruntime(3180):     @ java.lang.reflect.method.invokenative(native method) 04-24 11:40:17.082: e/androidruntime(3180):     @ java.lang.reflect.method.invoke(method.java:511) 04-24 11:40:17.082: e/androidruntime(3180):     @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:823) 04-24 11:40:17.082: e/androidruntime(3180):     @ com.android.internal.os.zygoteinit.main(zygoteinit.java:590) 04-24 11:40:17.082: e/androidruntime(3180):     @ dalvik.system.nativestart.main(native method) 

and program screen moving:

package com.pearson.lagp.v3; import org.anddev.andengine.engine.engine; import org.anddev.andengine.engine.camera.camera; import org.anddev.andengine.engine.options.engineoptions; import org.anddev.andengine.engine.options.engineoptions.screenorientation; import org.anddev.andengine.engine.options.resolutionpolicy.ratioresolutionpolicy; import org.anddev.andengine.entity.scene.scene; import org.anddev.andengine.entity.sprite.sprite; import org.anddev.andengine.entity.util.fpslogger; import org.anddev.andengine.opengl.font.font; import org.anddev.andengine.opengl.texture.textureoptions; import org.anddev.andengine.opengl.texture.atlas.bitmap.bitmaptextureatlas; import org.anddev.andengine.opengl.texture.atlas.bitmap.bitmaptextureatlastextureregionfactory; import org.anddev.andengine.opengl.texture.region.textureregion; import org.anddev.andengine.ui.activity.basegameactivity;  import android.content.intent; import android.os.handler; public class startactivity extends basegameactivity {     private static final int camera_width = 480;     private static final int camera_height = 320;     private camera mcamera;     private bitmaptextureatlas mbitmaptextureatlas;     private textureregion msplashtextureregion;     private font mfont;     private handler mhandler;      public engine onloadengine() {         mhandler=new handler();         mhandler.removecallbacks(mlaunchtask);         this.mcamera = new camera(0, 0, camera_width,camera_height);         return new engine(             new engineoptions(                 true,                 screenorientation.landscape,                 new ratioresolutionpolicy(camera_width,camera_height),                 this.mcamera             )         );     }     @override     public void onloadresources() {         mbitmaptextureatlas = new bitmaptextureatlas(512, 512,textureoptions.bilinear_premultiplyalpha);         msplashtextureregion = bitmaptextureatlastextureregionfactory.createfromasset(             this.mbitmaptextureatlas, this, "splashscreen.png", 0, 0         );         this.mengine.gettexturemanager().loadtexture(this.mbitmaptextureatlas);     }     @override     public scene onloadscene() {         this.mengine.registerupdatehandler(new fpslogger());         final scene scene = new scene(1);         /* center splash on camera. */         final int centerx =(camera_width - this.msplashtextureregion.getwidth()) / 2;         final int centery =(camera_height -this.msplashtextureregion.getheight()) / 2;         /* create sprite , add scene. */         final sprite splash = new sprite(centerx,centery, this.msplashtextureregion);         scene.getlastchild().attachchild(splash);         return scene;     }     @override     public void onloadcomplete() {         mhandler.postdelayed(mlaunchtask, 3000);     }      private runnable mlaunchtask=new runnable(){         public void run(){              intent mintent=new intent(startactivity.this, mainmenuactivity.class);             startactivity.this.startactivity(mintent);         }     }; } 

and manifest after modify:

<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android"     package="com.pearson.lagp.v3"     android:versioncode="1"     android:versionname="1.0" >      <uses-sdk         android:minsdkversion="8"         android:targetsdkversion="18" />     <uses-permission android:name="android.permission.wake_lock" />     <application         android:allowbackup="true"         android:icon="@drawable/ic_launcher"         android:label="@string/app_name"         android:theme="@style/apptheme" >         <activity             android:name="com.pearson.lagp.v3.startactivity"             android:label="@string/app_name" >             <intent-filter>                 <action android:name="android.intent.action.main" />                  <category android:name="android.intent.category.launcher" />             </intent-filter>         </activity>         <activity              android:name="com.pearson.lagp.v3.mainmenuactivity"             android:label="@string/menu_name">         </activity>     </application>  </manifest> 

why crashed?

have declare activity in manifest?

or

check activity on manifest right package name?

android onclick error

unable find explicit activity class , unable instantiate activity