Google maps - AndroidExtending MapActivity gt classNotFound Exception

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I d like to make a MapView, but extending the MapActivity throws a classNotFoundException:

   /AndroidRuntime(  374):        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2585)
    E/AndroidRuntime(  374):        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
    E/AndroidRuntime(  374):        at android.app.ActivityThread.access$2300(ActivityThread.java:125)
    E/AndroidRuntime(  374):        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
    E/AndroidRuntime(  374):        at android.os.Handler.dispatchMessage(Handler.java:99)
    E/AndroidRuntime(  374):        at android.os.Looper.loop(Looper.java:123)
    E/AndroidRuntime(  374):        at android.app.ActivityThread.main(ActivityThread.java:4627)
    E/AndroidRuntime(  374):        at java.lang.reflect.Method.invokeNative(Native Method)
    E/AndroidRuntime(  374):        at java.lang.reflect.Method.invoke(Method.java:521)
    E/AndroidRuntime(  374):        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
    E/AndroidRuntime(  374):        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
    E/AndroidRuntime(  374):        at dalvik.system.NativeStart.main(Native Method)
    E/AndroidRuntime(  374): Caused by: java.lang.ClassNotFoundException: com.androidcourse.phonemapper.view.MapShowActivity in loader dalvik.system.PathClassLoader[/system/framework/com.google.android.maps.jar:/data/app/com.androidcourse.phonemapper-2.apk]
    E/AndroidRuntime(  374):        at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:243)
    E/AndroidRuntime(  374):        at java.lang.ClassLoader.loadClass(ClassLoader.java:573)
    E/AndroidRuntime(  374):        at java.lang.ClassLoader.loadClass(ClassLoader.java:532)
    E/AndroidRuntime(  374):        at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
    E/AndroidRuntime(  374):        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2577)

I have a Google Maps API key, I had set the project to be for Google APIs, I am using an Android Google API AVD(emulator) and I did include the tag in my AndroidManifest.xml.

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.androidcourse.phonemapper" android:versionCode="1"
    android:versionName="1.0">

    <uses-sdk android:minSdkVersion="8" />
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"></uses-permission>
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission>
    <application android:icon="@drawable/icon" android:label="@string/app_name">

  <uses-library android:name="com.google.android.maps" />

.................

        <activity android:name=".view.WelcomeActivity" android:label="@string/app_name">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>


<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="api_key_is_here_just_wont_show_it_to_everybody"
    />
</RelativeLayout>

Answers

Try setting package to "com.androidcourse.phonemapper.view":

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.androidcourse.phonemapper.view" android:versionCode="1"
android:versionName="1.0">

and then referencing it:

<activity android:name=".WelcomeActivity"

Source

License : cc by-sa 3.0

http://stackoverflow.com/questions/4533218/androidextending-mapactivity-classnotfound-exception

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