Android: Unfortunately the "app name" stopped! My first app

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xemkruz2012

New member
Mar 11, 2014
3
0
I've just started to build my first android app and this 1st time errors are bugging me now since 2 days. Finding no solution I had to come here. I have been following Androids official tutorial for my first app and can't open my app.

Error: "Unfortunately "app name" has stopped"

Here is my manisfest file,
Code:
       <manifest xmlns:android=" [B]removed due to new member at the forum warning! 10 posts minimum need to post link:([/B]
    package="app2.android"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="17"
        android:targetSdkVersion="19" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
         
      <activity android:name="MainActivity" >
         <intent-filter>  
            <action android:name="android.intent.action.MAIN" />  
            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
      </activity>
   
    </application>

</manifest>


Log Cat
03-10 08:59:54.310: D/dalvikvm(1671): Not late-enabling CheckJNI (already on)
03-10 08:59:54.400: D/AndroidRuntime(1671): Shutting down VM
03-10 08:59:54.400: W/dalvikvm(1671): threadid=1: thread exiting with uncaught exception (group=0xb2d88b20)
03-10 08:59:54.400: E/AndroidRuntime(1671): FATAL EXCEPTION: main
03-10 08:59:54.400: E/AndroidRuntime(1671): Process: app2.android, PID: 1671
03-10 08:59:54.400: E/AndroidRuntime(1671): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{app2.android/app2.android.MainActivity}: java.lang.ClassNotFoundException: Didn't find class "app2.android.MainActivity" on path: DexPathList[[zip file "/data/app/app2.android-1.apk"],nativeLibraryDirectories=[/data/app-lib/app2.android-1, /vendor/lib, /system/lib]]
03-10 08:59:54.400: E/AndroidRuntime(1671): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2121)
03-10 08:59:54.400: E/AndroidRuntime(1671): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
03-10 08:59:54.400: E/AndroidRuntime(1671): at android.app.ActivityThread.access$800(ActivityThread.java:135)
03-10 08:59:54.400: E/AndroidRuntime(1671): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
03-10 08:59:54.400: E/AndroidRuntime(1671): at android.os.Handler.dispatchMessage(Handler.java:102)
03-10 08:59:54.400: E/AndroidRuntime(1671): at android.os.Looper.loop(Looper.java:136)
03-10 08:59:54.400: E/AndroidRuntime(1671): at android.app.ActivityThread.main(ActivityThread.java:5017)
03-10 08:59:54.400: E/AndroidRuntime(1671): at java.lang.reflect.Method.invokeNative(Native Method)
03-10 08:59:54.400: E/AndroidRuntime(1671): at java.lang.reflect.Method.invoke(Method.java:515)
03-10 08:59:54.400: E/AndroidRuntime(1671): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
03-10 08:59:54.400: E/AndroidRuntime(1671): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
03-10 08:59:54.400: E/AndroidRuntime(1671): at dalvik.system.NativeStart.main(Native Method)
03-10 08:59:54.400: E/AndroidRuntime(1671): Caused by: java.lang.ClassNotFoundException: Didn't find class "app2.android.MainActivity" on path: DexPathList[[zip file "/data/app/app2.android-1.apk"],nativeLibraryDirectories=[/data/app-lib/app2.android-1, /vendor/lib, /system/lib]]
03-10 08:59:54.400: E/AndroidRuntime(1671): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
03-10 08:59:54.400: E/AndroidRuntime(1671): at java.lang.ClassLoader.loadClass(ClassLoader.java:497)
03-10 08:59:54.400: E/AndroidRuntime(1671): at java.lang.ClassLoader.loadClass(ClassLoader.java:457)
03-10 08:59:54.400: E/AndroidRuntime(1671): at android.app.Instrumentation.newActivity(Instrumentation.java:1061)
03-10 08:59:54.400: E/AndroidRuntime(1671): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2112)
03-10 08:59:54.400: E/AndroidRuntime(1671): ... 11 more

I have been rolling all over the internet for solutions, tried so many, doesn't work!!! PLEASE HELP!
 

arpitkh96

Senior Member
Feb 17, 2012
1,156
645
27
panipat
Activity name change to
.MainActivity in manifest

Sent from my GT-S7392 using XDA Premium 4 mobile app
 

GRYMALA

Member
May 5, 2014
19
5
In the manifest change your activity name to <activity android:name="app2.android.MainActivity" > and also make sure that your project src folder has correct package inside (named app2.android)