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I have created and published my first Android app. It's very simple. It works fine on simulator and some phones, but I am getting this error:
java.lang.RuntimeException: Unable to instantiate application cz.teamnovak.droid.Novak ESC Track guide: java.lang.ClassNotFoundException: cz.teamnovak.droid.Novak ESC Track guide in loader dalvik.system.PathClassLoader[/data/app/cz.teamnovak.droid-1.apk] at android.app.ActivityThread$PackageInfo.makeApplication(ActivityThread.java:649) at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4232) at android.app.ActivityThread.access$3000(ActivityThread.java:125) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2071) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:123) at android.app.ActivityThread.main(ActivityThread.java:4627) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:521) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) at dalvik.system.NativeStart.main(Native Method) Caused by: java.lang.ClassNotFoundException: cz.teamnovak.droid.Novak ESC Track guide in loader dalvik.system.PathClassLoader[/data/app/cz.teamnovak.droid-1.apk] at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:243) at java.lang.ClassLoader.loadClass(ClassLoader.java:573) at java.lang.ClassLoader.loadClass(ClassLoader.java:532) at android.app.Instrumentation.newApplication(Instrumentation.java:942) at android.app.ActivityThread$PackageInfo.makeApplication(ActivityThread.java:644) ... 11 more Any idea what can cause this?
915
The java. lang. ClassNotFoundException is thrown when the Java Virtual Machine (JVM) tries to load a particular class and the specified class cannot be found in the classpath. The Java ClassNotFoundException is a checked exception and thus, must be declared in a method or constructor's throws clause.
ClassNotFoundException is a checked exception and occurs when the Java Virtual Machine (JVM) tries to load a particular class and the specified class cannot be found in the classpath. In older days, there are no editors like Eclipse are available.
Yep, I had this exact same problem. It was because I specified the android:name attribute in the application node in the manifest file.
Your Android Manifest file probably looks something like this:
<application android:name="Novak ESC Track guide" android:icon="@drawable/icon" android:label="@string/app_name" android:description="@string/help_text" > android:name attribute! unless you've implemented a custom Application object.The application:name attribute has nothing to do with the name of your app. This is the name of a specific class to load as your Application instance. That's why you would get the ClassNotFoundException if that class wouldn't exist.
android:label attribute on this same application node instead.Remove it and it should work:
<application android:icon="@drawable/icon" android:label="@string/app_name" android:description="@string/help_text" > If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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