Comments (6)
thezhangwei
commented on June 8, 2024
Is it possible for you to share the full input. Which drawable files were modified please?
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pidanxiangjiao
commented on June 8, 2024
Of course , i could send the input and output through email , please check your mailbox .Thx.
I create a demo project ,and find the same issue,
the reason for content of xml file becomes "", i think it is due to r8 compiler ,when i set "shrinkResource " to "true", r8 make useless resources file's content to be "<x/">
but after redex, the reason to cause app crash ,i guess maybe is there any logic in redex to mixup xml files' content ?
it means that, after redex , the content of xml a and the content of xml b get swaped.
why i have the guess above, is that ,when i set "shrinkResources" to "false ", in output apk , "" not exists any more, but after redex , the final apk still can not run, it gets some error still in xml file , some layout xml file' content becomes the content of drawable file's content, the error info is like "can not find classs shape ".
In the demo project i sent you:
activity_main.xml content in origin apk:
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent" android:layout_height="match_parent">
<TextView android:id="@+id/tv_name" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello World!" app:layout_constraintBottom_toBottomOf="0" app:layout_constraintLeft_toLeftOf="0" app:layout_constraintRight_toRightOf="0" app:layout_constraintTop_toTopOf="0"/>
<TextView android:id="@+id/tv_name1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello World!" app:layout_constraintBottom_toBottomOf="@+id/tv_name" app:layout_constraintLeft_toLeftOf="0" app:layout_constraintRight_toRightOf="0" app:layout_constraintTop_toTopOf="0"/>
<TextView android:id="@+id/tv_name2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello World!" app:layout_constraintBottom_toBottomOf="@+id/tv_name1" app:layout_constraintLeft_toLeftOf="0" app:layout_constraintRight_toRightOf="0" app:layout_constraintTop_toTopOf="0"/>
<ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" app:layout_constraintStart_toStartOf="0" app:layout_constraintTop_toBottomOf="@+id/tv_name2"/>
</androidx.constraintlayout.widget.ConstraintLayout>
activity_main.xml content in apk after redex:
<?xml version="1.0" encoding="utf-8"?>
<x/>
when i run final apk ,get error:
FATAL EXCEPTION: main
Process: com.netease.cloudmusic.agptest, PID: 18388
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.netease.cloudmusic.agptest/com.netease.cloudmusic.bizlib.SecondActivity}: android.view.InflateException: Binary XML file line #1 in com.netease.cloudmusic.agptest:layout/activity_main: Binary XML file line #1 in com.netease.cloudmusic.agptest:layout/activity_main: Error inflating class x
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4169)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4325)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:101)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2574)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loopOnce(Looper.java:226)
at android.os.Looper.loop(Looper.java:313)
at android.app.ActivityThread.main(ActivityThread.java:8757)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:571)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1067)
Caused by: android.view.InflateException: Binary XML file line #1 in com.netease.cloudmusic.agptest:layout/activity_main: Binary XML file line #1 in com.netease.cloudmusic.agptest:layout/activity_main: Error inflating class x
Caused by: android.view.InflateException: Binary XML file line #1 in com.netease.cloudmusic.agptest:layout/activity_main: Error inflating class x
Caused by: java.lang.ClassNotFoundException: android.view.x
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pidanxiangjiao
commented on June 8, 2024
I debug the python part of redex, and find that when extract the apk , the activity_main.xml's content will become "",
the activity_main.xml's final name in apk's res folder is R5.xml.
But if i rename the origin apk to zip, and unzip the final, the activity_main.xml(R5.xml)'s content is still correct.
I use a mac to do this operation, so there should be a bug in python part when doing the extract operation.
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thezhangwei
commented on June 8, 2024
I debug the python part of redex, and find that when extract the apk , the activity_main.xml's content will become "",
the activity_main.xml's final name in apk's res folder is R5.xml.
It sounded like you were pretty close to locating the problem in code. If so would you mind sharing a code pointer? That should help us to carry forward on our side. Sorry for the delay.
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pidanxiangjiao
commented on June 8, 2024
I debug the python part of redex, and find that when extract the apk , the activity_main.xml's content will become "",
the activity_main.xml's final name in apk's res folder is R5.xml.It sounded like you were pretty close to locating the problem in code. If so would you mind sharing a code pointer? That should help us to carry forward on our side. Sorry for the delay.
I figure out that it is because the file system i'm using on mac is case insensitive, i create a case sensitive partition , finally the xml content won't get messed up anymore.
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thezhangwei
commented on June 8, 2024
I'm glad that you figured it out. Closing for now.
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