Check again your manifest file and add there library and permission.
like in the tutorial.

permission under manifest, as its child:
<uses-permission android:name="android.permission.INTERNET" />

the library as child of application:
<uses-library android:name="com.google.android.maps" />

Cheers,
BORO

On Jun 19, 11:13 pm, Andy Fang <[email protected]> wrote:
> http://developer.android.com/guide/tutorials/views/hello-mapview.html
>
> So I've followed the steps to the end of step 6, where it says:
> You can actually run this now, but all it does is allow you to pan
> around the map.
>
> However, I can't even get this to work. I get the following error
> message:
> The application Hello, MapView (process com.example.hellomapview) has
> stopped unexpectedly. Please try again.
> logcat returns a ClassNotFoundException error with theHelloMapView
> class.
>
> I use an AVD with the google api add-ons, and my i changed my build
> properties to also build to the google api add-ons.
>
> Here's my code forHelloMapView.java:
>
> package com.example.hellomapview;
>
> import android.os.Bundle;
> import com.google.android.maps.MapActivity;
>
> public classHelloMapViewextends MapActivity {
>
>         /** Called when the activity is first created. */
>         @Override
>     public void onCreate(Bundle savedInstanceState) {
>         super.onCreate(savedInstanceState);
>         setContentView(R.layout.main);
>     }
>
>     @Override
>     protected boolean isRouteDisplayed() {
>         return false;
>     }
>
> }
>
> Here's my AndroidManifest.xml file:
> <?xml version="1.0" encoding="utf-8"?>
> <manifest xmlns:android="http://schemas.android.com/apk/res/android";
>       package="com.example.hellomapview"
>       android:versionCode="1"
>       android:versionName="1.0">
>     <application android:icon="@drawable/icon" android:label="@string/
> app_name">
>         <activity android:name=".HelloMapView"
>                   android:label="@string/app_name">
>             <intent-filter>
>                 <action android:name="android.intent.action.MAIN" />
>                 <category
> android:name="android.intent.category.LAUNCHER" />
>             </intent-filter>
>         </activity>
>     </application>
>     <uses-sdk android:minSdkVersion="3" />
> </manifest>
>
> Here's my main.xml file (omitting part of the api key):
> <?xml version="1.0" encoding="utf-8"?>
> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/
> android"
>     android:id="@+id/mainlayout"
>     android:orientation="vertical"
>     android:layout_width="fill_parent"
>     android:layout_height="fill_parent" >
>
>     <com.google.android.maps.MapView
>         android:id="@+id/mapview"
>         android:layout_width="fill_parent"
>         android:layout_height="fill_parent"
>         android:clickable="true"
>         android:apiKey="Y0ecDze1MZU..."
>     />
>
> </RelativeLayout>

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