我想扩展Android应用程序并覆盖oncreate方法。但由于某些原因,这一直非常糟糕...只有在我删除[Application]后,我才能运行它,但根据这个link,我们必须添加[Application]。
[Application]
public class MainApp : Application
{
public MainApp(IntPtr javaReference, JniHandleOwnership transfer) : base(javaReference, transfer)
{
}
public override void OnCreate()
{
base.OnCreate();
//app init ...
}
}
请问有人能为我澄清在Xamarin Android中扩展应用程序类的正确方法是什么吗?
更新
如果我不删除[application],则会出现以下错误:
/Library/Frameworks/Mono.framework/External/xbuild/Xamarin/Android/Xamarin.Android.Common.targets: Error: Error executing task GenerateJavaStubs: Application cannot have both a type with an [Application] attribute and an [assembly:Application] attribute. (myapp.Droid)
如果我删除application,则会编译,但会抛出以下运行时错误。
[AndroidRuntime] 关闭虚拟机 [AndroidRuntime] 致命异常: 主要的 [AndroidRuntime] 进程:com.test.myapp,PID:6524 [AndroidRuntime] java.lang.RuntimeException: 无法实例化应用程序 com.test.myapp.MainApp: java.lang.ClassNotFoundException: 在路径上找不到类 "com.test.myapp.MainApp":DexPathList[[zip 文件 "/data/app/com.test.myapp-1/base.apk"],nativeLibraryDirectories=[/data/app/com.test.myapp-1/lib/arm, /data/app/com.test.myapp-1/base.apk!/lib/armeabi-v7a, /system/lib, /vendor/lib]] [AndroidRuntime] at android.app.LoadedApk.makeApplication(LoadedApk.java:802) [AndroidRuntime] at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5377) [AndroidRuntime] at android.app.ActivityThread.-wrap2(ActivityThread.java) [AndroidRuntime] at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1545) [AndroidRuntime] at android.os.Handler.dispatchMessage(Handler.java:102) [AndroidRuntime] at android.os.Looper.loop(Looper.java:154) [AndroidRuntime] at android.app.ActivityThread.main(ActivityThread.java:6119) [AndroidRuntime] at java.lang.reflect.Method.invoke(Native Method) [AndroidRuntime] at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886) [AndroidRuntime] at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776) [AndroidRuntime] 由于:java.lang.ClassNotFoundException: 没有 在路径上找到类 "com.test.myapp.MainApp":DexPathList[[zip file "/data/app/com.test.myapp-1/base.apk"],nativeLibraryDirectories=[/data/app/com.test.myapp-1/lib/arm, /data/app/com.test.myapp-1/base.apk!/lib/armeabi-v7a, /system/lib, /vendor/lib]] [AndroidRuntime] at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56) [AndroidRuntime] at java.lang.ClassLoader.loadClass(ClassLoader.java:380) [AndroidRuntime] at java.lang.ClassLoader.loadClass(ClassLoader.java:312) [AndroidRuntime] at android.app.Instrumentation.newApplication(Instrumentation.java:992) [AndroidRuntime] at android.app.LoadedApk.makeApplication(LoadedApk.java:796) [AndroidRuntime] ... 9 more
这是我的清单 文件
android:name
是什么意思?例如:[Application(LargeHeap = true, Name = "com.sushihangover.application")]
。 - SushiHangover