Android ProGuard回溯
我有下面的stacktrace,但是ProGuard没有使用相应的mapping.txt正确地回溯它。如何找到com.example.app.util.d.d.a函数Android ProGuard回溯,android,proguard,Android,Proguard,我有下面的stacktrace,但是ProGuard没有使用相应的mapping.txt正确地回溯它。如何找到com.example.app.util.d.d.a函数 java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=0, result=0, data=null} to activity {com.example.app/com.example.app.MyActivity}: j
java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=0, result=0, data=null} to activity {com.example.app/com.example.app.MyActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean com.example.app.util.d.d.a(int, int, android.content.Intent)' on a null object reference
at android.app.ActivityThread.deliverResults(ActivityThread.java:3881)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:3931)
at android.app.ActivityThread.access$1300(ActivityThread.java:144)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1408)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:155)
at android.app.ActivityThread.main(ActivityThread.java:5696)
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:1028)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:823)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean com.example.app.util.d.d.a(int, int, android.content.Intent)' on a null object reference
at com.example.app.MyActivity.onActivityResult(Unknown Source)
at android.app.Activity.dispatchActivityResult(Activity.java:6160)
at android.app.ActivityThread.deliverResults(ActivityThread.java:3877)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:3931)
at android.app.ActivityThread.access$1300(ActivityThread.java:144)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1408)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:155)
at android.app.ActivityThread.main(ActivityThread.java:5696)
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:1028)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:823)
有人有想法吗?编写自己的伪堆栈跟踪并追溯它 在您的情况下,这一行应该起到以下作用:
at com.example.app.util.d.d.a(int, int, android.content.Intent)
你从签名上找不到吗
(int,int,android.content.Intent)
这不是最好的解决方案,但它在某种程度上起作用。这样,我还必须检查签名(int,int,android.content.Intent)
。现在我还配置了ProGuard来保存行号。这是找到崩溃的更好方法,而不是回溯。