Lorsque j'exécute mon application, chaque fois que j'obtiens l'exception ci-dessous dans mon logcat:
04-14 09:29:53.965: W/dalvikvm(1020): threadid=1: thread exiting with uncaught exception (group=0x409c01f8)
04-14 09:29:53.985: E/AndroidRuntime(1020): FATAL EXCEPTION: main
04-14 09:29:53.985: E/AndroidRuntime(1020): java.lang.RuntimeException: Unable to instantiate application android.app.Application: java.lang.NullPointerException
04-14 09:29:53.985: E/AndroidRuntime(1020): at android.app.LoadedApk.makeApplication(LoadedApk.java:482)
04-14 09:29:53.985: E/AndroidRuntime(1020): at android.app.ActivityThread.handleBindApplication(ActivityThread.java:3938)
04-14 09:29:53.985: E/AndroidRuntime(1020): at android.app.ActivityThread.access$1300(ActivityThread.java:123)
04-14 09:29:53.985: E/AndroidRuntime(1020): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1185)
04-14 09:29:53.985: E/AndroidRuntime(1020): at android.os.Handler.dispatchMessage(Handler.java:99)
04-14 09:29:53.985: E/AndroidRuntime(1020): at android.os.Looper.loop(Looper.java:137)
04-14 09:29:53.985: E/AndroidRuntime(1020): at android.app.ActivityThread.main(ActivityThread.java:4424)
04-14 09:29:53.985: E/AndroidRuntime(1020): at java.lang.reflect.Method.invokeNative(Native Method)
04-14 09:29:53.985: E/AndroidRuntime(1020): at java.lang.reflect.Method.invoke(Method.java:511)
04-14 09:29:53.985: E/AndroidRuntime(1020): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
04-14 09:29:53.985: E/AndroidRuntime(1020): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
04-14 09:29:53.985: E/AndroidRuntime(1020): at dalvik.system.NativeStart.main(Native Method)
04-14 09:29:53.985: E/AndroidRuntime(1020): Caused by: java.lang.NullPointerException
04-14 09:29:53.985: E/AndroidRuntime(1020): at android.app.LoadedApk.initializeJavaContextClassLoader(LoadedApk.java:362)
04-14 09:29:53.985: E/AndroidRuntime(1020): at android.app.LoadedApk.getClassLoader(LoadedApk.java:305)
04-14 09:29:53.985: E/AndroidRuntime(1020): at android.app.LoadedApk.makeApplication(LoadedApk.java:474)
04-14 09:29:53.985: E/AndroidRuntime(1020): ... 11 more
Remarque: lorsque je désinstalle l'application de l'émulateur et que je l'exécute, je n'obtiens pas cette exception, mais lorsque je réexécute l'application installée dans l'émulateur, je l'obtiens. Veuillez aider.
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.infy.meetingmanager.activity" android:versionCode="1" android:versionName="1.0" >
<application...> <activity android:name=".LoginActivity" android:label="@string/app_name" > <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" />