我在我的项目中使用android-support-library-v7,当然我想使用程序来最小化和混淆我的代码。问题是,如果我使用proguard,我会得到类似如下的错误:
FATAL EXCEPTION: main java.lang.RuntimeException: Unable to start activity ComponentInfo{org.example.project/org.example.project.ActivityMain}: android.view.InflateException: Binary XML file line #12: Error inflating class android.support.v7.preference.PreferenceCategory
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2110)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2135)
at android.app.ActivityThread.access$700(ActivityThread.java:140)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1237)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4921)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1027)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:794)
at dalvik.system.NativeStart.main(Native Method) Caused by: android.view.InflateException: Binary XML file line #12: Error inflating class android.support.v7.preference.PreferenceCategory
at android.support.v7.preference.g.a(Unknown Source)
at android.support.v7.preference.g.a(Unknown Source)
at android.support.v7.preference.g.a(Unknown Source)
at android.support.v7.preference.g.a(Unknown Source)
at android.support.v7.preference.g.a(Unknown Source)
at android.support.v7.preference.h.a(Unknown Source)
at android.support.v7.preference.h.b(Unknown Source)
at org.exampple.project.ActivityMain.onCreate(Unknown Source)
at android.app.Activity.performCreate(Activity.java:5206)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1094)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2074)
... 11 more Caused by: java.lang.NoSuchMethodException: <init> [class android.content.Context, interface android.util.AttributeSet]
at java.lang.Class.getConstructorOrMethod(Class.java:460)
at java.lang.Class.getConstructor(Class.java:431)
... 22 more在我的preferences.xml文件中使用了PreferenceCategory,我猜它是通过反射访问的。如果在收缩时没有在代码中引用此方法(或类),则Proguard if可能会将其移除。即使不是这样,它也肯定会混淆这个名字。谷歌以其惯常的方式绝对没有提供关于这个主题的文档。
那么,实现良好的收缩和模糊效果的最佳设置是什么呢?在Stack Overflow上也有一些类似的问题,但它们可以归结为:
-keep class android.support.v7.** { *; }这使得cleary失去了缩小和混淆的目的。
尝试随机猜测设置或通过尝试和错误方法是非常耗时的。
https://stackoverflow.com/questions/41575171
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