这是问题
我正在一个LibGDX项目中工作,在该项目中,我具有适用于不同平台的不同模块。
这是我的android模块的样子:
@Module(
includes = {BaseModule.class, NetModule.class},
injects = {DummyProjectActivity.class, DummyProject.class},
overrides = true)
public class DummyProjectAndroidModule {
...
@Provides @Singleton @Named("DummyOne")
DummyInterface provideDummyOne() {
return new DummyOne();
}
@Provides @Singleton @Named("DummyTwo")
DummyInterface provideDummyTwo() {
return new DummyTwo();
}
@Provides @Singleton @Named("DummyConsumer")
DummyConsumer provideDummyConsumer(@Named("DummyOne") DummyInterface dummyOne,
@Named("DummyTwo") DummyInterface dummyTwo) {
return new DummyConsumer(dummyOne, dummyTwo);
}
}
..以及我的桌面模块的外观如下:
@Module(
includes = {BaseModule.class, NetModule.class},
injects = {DummyProjectDesktop.class, DummyProject.class},
overrides = true)
public class DummyProjectDesktopModule {
好好休息几乎是一样的。但是,当我在为Desktop构建项目时,在Android方面一切都很好,但我遇到了这个错误,这让我仍然感到困惑。
Process: net.alicanhasirci.mobile.DummyProject.android, PID: 4603
java.lang.RuntimeException: Unable to start activity ComponentInfo{net.alicanhasirci.mobile.DummyProject.android/net.alicanhasirci.mobile.DummyProject.android.DummyProjectActivity}: java.lang.IllegalArgumentException: Duplicate:
net.alicanhasirci.mobile.android.image.DummyInterface net.alicanhasirci.mobile.DummyProject.android.DummyProjectAndroidModule.provideDummyOne()
net.alicanhasirci.mobile.android.image.DummyInterface net.alicanhasirci.mobile.DummyProject.android.DummyProjectAndroidModule.provideDummyTwo()
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2305)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2365)
at android.app.ActivityThread.access$800(ActivityThread.java:148)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1283)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5272)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:909)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:704)
Caused by: java.lang.IllegalArgumentException: Duplicate:
net.alicanhasirci.mobile.android.image.DummyInterface net.alicanhasirci.mobile.DummyProject.android.DummyProjectAndroidModule.provideDummyOne()
net.alicanhasirci.mobile.android.image.DummyInterface net.alicanhasirci.mobile.DummyProject.android.DummyProjectAndroidModule.provideDummyTwo()
at dagger.internal.UniqueMap.put(UniqueMap.java:29)
at dagger.internal.plugins.reflect.ReflectiveModuleAdapter.handleBindings(ReflectiveModuleAdapter.java:104)
at dagger.internal.plugins.reflect.ReflectiveModuleAdapter.getBindings(ReflectiveModuleAdapter.java:89)
at dagger.ObjectGraph$DaggerObjectGraph.makeGraph(ObjectGraph.java:174)
at dagger.ObjectGraph$DaggerObjectGraph.access$000(ObjectGraph.java:132)
at dagger.ObjectGraph.create(ObjectGraph.java:129)
at net.alicanhasirci.mobile.DummyProject.android.DummyProjectActivity.onCreate(DummyProjectActivity.java:137)
at android.app.Activity.performCreate(Activity.java:5977)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1105)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2258)
现在快速浏览dagger源代码,我可以看到限定符注释是通过反射收集的,并用作绑定名称的前缀,这些名称以后将用作UniqueMap中的键。我的问题似乎发生在该区域附近的某个地方,我的限定符未得到任何处理,但是我的桌面构建仍然可以正常工作...
这里还有一些其他内容:
ObjectGraph objectGraph = ObjectGraph.create(new DummyProjectAndroidModule());
objectGraph.inject(this);
dp = objectGraph.get(DummyProject.class);
这是我如何获取DummyProject
对象的方法,该对象的电场注入为DummyConsumer
。因此:
@Inject @Named("DummyConsumer") DummyConsumer consumer;
我已将返回类型更改为具体类,以作为一种解决方法,但没人喜欢这种解决方法,因为我们都知道它们一直困扰着您直到最后。
我终于弄清楚了发生此问题的原因。是Proguard。除非您在proguard配置文件中另外指定,否则它将在修剪注释时混淆生成的代码,否则将导致意外结果。
就像Jake Wharton在https://github.com/square/dagger/issues/202上说的那样,使Proguard和Dagger共存的唯一方法是基本上放弃大部分混淆或切换到Dagger2 。我使用proguard只是为了避免达到65k的限制,因此进行必要的配置以避免混淆会解决我的问题。
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