Android   发布时间:2022-04-28  发布网站:大佬教程  code.js-code.com
大佬教程收集整理的这篇文章主要介绍了尝试在Android中使用Proguard和SQLcipher时获取NoClassDefFoundError大佬教程大佬觉得挺不错的,现在分享给大家,也给大家做个参考。
当我尝试使用sqlicipher和proguard运行我的应用程序时,我得到一个ava.lang.NoClassDefFoundError:net / sqlcipher / cursorWindow.该项目完美无需启用proguard.我第一次使用sqlcipher创建一个新的db我得到上面的错误.我看过另一个看似相同的问题,但我已经尝试了这个问题的答案,我仍然得到了错误.

Android Proguard SqlCipher NoClassDefFoundError

这是我的整个proguard属性

-libraryjars libs/commons-codec.jar
-libraryjars libs/guava-r09.jar
-libraryjars libs/httpR_315_11845@ime-4.1.2.jar
-libraryjars libs/jsr305-2.0.2.jar
-libraryjars libs/libphonenumber-5.7.jar
-libraryjars libs/sqlcipher.jar
-keep class com.myandroidapp.** { *; }


-optimizationpasses 5
-dontusemixedcaseclassnames
-dontskipnonpubliclibraryclasses
-dontskipnonpubliclibraryclassmembers
-dontpreverify
-dontobfuscate
-verbose
-optimizations !code/simplification/arithmetic,!field/*,!class/merging/*,!code/alLOCATIOn/variable

-keep public class * extends android.app.Activity
-keep public class * extends android.app.Application

-dontwarn javax.Annotation.**

-dontwarn android.app.**
-dontwarn android.support.**
-dontwarn android.view.**
-dontwarn android.widget.**

-dontwarn com.google.common.primitives.**

-dontwarn **CompatHoneycomb
-dontwarn **CompatHoneycombMR2
-dontwarn **CompatCreatorHoneycombMR2

-keepclasseswithmembernames class * {
    native <methods>;
}

-keepclasseswithmembers class * {
    public <init>(android.content.Context,android.util.AttributeSet);
}

-keepclasseswithmembers class * {
    public <init>(android.content.Context,android.util.AttributeSet,int);
}

-keepclassmembers class * extends android.app.Activity {
   public void *(android.view.View);
}

-keepclassmembers enum * {
    public static **[] values();
    public static ** valueOf(java.lang.String);
}

-keep class * implements android.os.Parcelable {
  public static final android.os.Parcelable$Creator *;
}

-keepclassmembers class **.R$* {
    public static <fields>;
}

-keep public class net.sqlcipher.** {
    *;
}

-keep public class net.sqlcipher.database.** {
    *;
}

错误信息:

01-22 19:18:26.553: W/dalvikvm(18993): Exception thrown (Ljava/lang/NoSuchFieldError;) while throwing internal exception (Ljava/lang/NoSuchFieldError;)
01-22 19:18:26.553: E/cursor(18993): Error locating fields
01-22 19:18:26.553: E/cursor(18993): Can't find net/sqlcipher/database/sqliteQuery
01-22 19:18:26.553: E/cursor(18993): Can't find net/sqlcipher/database/sqliteProgram
01-22 19:18:26.553: E/cursor(18993): Can't find net/sqlcipher/database/sqliteStatement
01-22 19:18:26.553: E/cursorWindow(18993): Can't find net/sqlcipher/cursorWindow
01-22 19:18:26.553: D/AndroidRuntime(18993): ShutTing down VM
01-22 19:18:26.553: W/dalvikvm(18993): threadid=1: thread exiTing with uncaught exception (group=0x41570c80)
: E/AndroidRuntime(18993): FATAL EXCEPTION: main
: E/AndroidRuntime(18993): Process: com.myandroidapp.androidapp,PID: 18993
: E/AndroidRuntime(18993): java.lang.NoClassDefFoundError: net/sqlcipher/cursorWindow
: E/AndroidRuntime(18993):  at java.lang.Runtime.nativeLoad(Native Method)
: E/AndroidRuntime(18993):  at java.lang.Runtime.doLoad(Runtime.java:421)
: E/AndroidRuntime(18993):  at java.lang.Runtime.loadLibrary(Runtime.java:362)
: E/AndroidRuntime(18993):  at java.lang.System.loadLibrary(System.java:526)
: E/AndroidRuntime(18993):  at net.sqlcipher.database.sqliteDatabase.loadLibs(UnkNown sourcE)
: E/AndroidRuntime(18993):  at net.sqlcipher.database.sqliteDatabase.loadLibs(UnkNown sourcE)
: E/AndroidRuntime(18993):  at com.myandroidapp.androidapp.androidappDBAdapter.initializeDB(UnkNown sourcE)
: E/AndroidRuntime(18993):  at com.myandroidapp.services.Completeservice$androidappCompleteThread$2.onResponse(UnkNown sourcE)
: E/AndroidRuntime(18993):  at com.myandroidapp.services.Completeservice$androidappCompleteThread$2.onResponse(UnkNown sourcE)
: E/AndroidRuntime(18993):  at com.myandroidapp.androidapp.androidapphttprequest.deliverResponse(UnkNown sourcE)
: E/AndroidRuntime(18993):  at com.myandroidapp.androidapp.androidapphttprequest.deliverResponse(UnkNown sourcE)
: E/AndroidRuntime(18993):  at com.android.volley.i.run(UnkNown sourcE)
: E/AndroidRuntime(18993):  at android.os.Handler.handleCallBACk(Handler.java:733)
: E/AndroidRuntime(18993):  at android.os.Handler.dispatchmessage(Handler.java:95)
: E/AndroidRuntime(18993):  at android.os.Looper.loop(Looper.java:136)
: E/AndroidRuntime(18993):  at android.app.ActivityThread.main(ActivityThread.java:5081)
: E/AndroidRuntime(18993):  at java.lang.reflect.Method.invokeNative(Native Method)
: E/AndroidRuntime(18993):  at java.lang.reflect.Method.invoke(Method.java:515)
: E/AndroidRuntime(18993):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:781)
: E/AndroidRuntime(18993):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
: E/AndroidRuntime(18993):  at dalvik.system.NativeStart.main(Native Method)
: E/AndroidRuntime(18993): Caused by: java.lang.NoClassDefFoundError: net/sqlcipher/database/sqliteStatement
: E/AndroidRuntime(18993):  ... 21 more
: E/AndroidRuntime(18993): Caused by: java.lang.NoClassDefFoundError: net/sqlcipher/database/sqliteProgram
: E/AndroidRuntime(18993):  ... 21 more
: E/AndroidRuntime(18993): Caused by: java.lang.NoClassDefFoundError: net/sqlcipher/database/sqliteQuery
: E/AndroidRuntime(18993):  ... 21 more
: E/AndroidRuntime(18993): Caused by: java.lang.NoSuchFieldError: no field with name='nHandle' signature='I' in class Lnet/sqlcipher/database/sqliteCompiledsql;
: E/AndroidRuntime(18993):  ... 21 more

解决方法

我认为这个课程被Proguard Shrinking工具删除了.

尝试添加以下参数

-dontshrink

并告诉我它是否有效.

我还看到sqlcipher的受保护类中缺少一个属性

: E/AndroidRuntime(18993): Caused by: java.lang.NoSuchFieldError: no field with name='nHandle' signature='I' in class Lnet/sqlcipher/database/sqliteCompiledsql;

您是否也可以尝试将受保护的类保留在sqlcipher中?

-keep class net.sqlcipher.** {
    *;
}

P.S您是否经常在配置中选择-dontobfuscate?如果您保留它,您的应用程序将不会被混淆.

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