[q] need help: Playstore stops working - Android Q&A, Help & Troubleshooting

Im using nolekat rom and werewolf kernel on my samsung t210.the rom runs smoothly but one day i found my playstore stops working.when i click the playstore icon it crashes immedietly. When i click the add account on settings it doesnt show any option to add google mail. here's my log when i pressed playstore and "add account" taken from logcat...
04-22 11:40:25.233 E/dalvikvm(31631): Could not find class 'android.graphics.drawable.RippleDrawable', referenced from method com.google.android.play.drawer.PlayDrawerLayout.updateDockedAction
04-22 11:40:25.263 E/dalvikvm(31631): Could not find class 'com.google.android.play.drawer.PlayDrawerLayout$1', referenced from method com.google.android.play.drawer.PlayDrawerLayout.onFinishInflate
04-22 11:40:25.273 E/dalvikvm(31631): Could not find class 'org.codeaurora.Performance', referenced from method android.widget.OverScroller$SplineOverScroller.fling
04-22 11:40:25.483 E/dalvikvm(31631): Could not find class 'android.app.ActivityManager$TaskDescription', referenced from method com.google.android.finsky.layout.actionbar.ActionBarHelper.syncRecentsEntry
04-22 11:43:57.059 E/dalvikvm(31736): Could not find class 'org.codeaurora.Performance', referenced from method android.widget.OverScroller$SplineOverScroller.fling
Im not good on reading logs i can not understand what the error means so im asking for help to those people and devs here to resolve this issue without reflashing the rom.

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[Q] How to download a file using App Inventor ?

Hey guys
Well I have been searching for a while time and I didn't find an answer for this question
How can I use the activity starter to download an mp3 file from a specified URL
I am currently able to push the file to the system, like when you click a button it asks you which player you want to play the file with
using
Activity starter
Action, android.intent.action.VIEW
Data Uri, http://somewhere.com/filename.mp3
does anybody know how to directly download it ?
Please note there are several other choices I left empty for the activity starter like
activity package
activity class
extra key
extra value
result
Thanks !

[Q] Problem with deodexing SystemUI

Before the question, sorry for that I cannot speak english well.
In SGS3 Korean official firmware,
I tried to deodex SystemUI.odex, but error occurred.
The Error code is:
Code:
org.jf.dexlib.Code.Analysis.ClassPath$ClassNotFoundException: Could not find superclass Lanfroid/app/enterprise/IApnSettingsPolicy$Stub;
at org.jf.dexlib.Code.Analysis.ClassPath$ClassDef.loadSuperclass<classPath.java:832>
at org.jf.dexlib.Code.Analysis.ClassPath$ClassDef.<init><ClassPath.java:685>
at org.jf.dexlib.Code.Analysis.ClassPath.loadClassDef<ClassPath.java:282>
at org.jf.dexlib.Code.Analysis.ClassPath.initClassPath<ClassPath.java:163>
at org.jf.dexlib.Code.Analysis.ClassPath.InitializeClassPath<ClassPath.java:131>
at org.jf.baksmali.baksmali.disassembleDexFile<baksmali.java:111>
at org.jf.baksmali.main.main<main.java:293>
Error while loading class Lcom/android/server/enterprise/ApnSettingsPolicy; from _framework\services.zip
Error while loading ClassPath class Lcom/android/server/enterprise/ApnSettingsPolicy;
Thats all.
There's no problem with deodexing SGS2, the error occur in SGS3 only.
I really need the developer's help. Thanks for reading my thread.

[Q] Problem with deodexing SystemUI

Before the question, sorry for that I cannot speak english well.
In SGS3 Korean official firmware,
I tried to deodex SystemUI.odex, but error occurred.
The Error code is:
Code:
org.jf.dexlib.Code.Analysis.ClassPath$ClassNotFoundException: Could not find superclass Lanfroid/app/enterprise/IApnSettingsPolicy$Stub;
at org.jf.dexlib.Code.Analysis.ClassPath$ClassDef.loadSuperclass<classPath.java:832>
at org.jf.dexlib.Code.Analysis.ClassPath$ClassDef.<init><ClassPath.java:685>
at org.jf.dexlib.Code.Analysis.ClassPath.loadClassDef<ClassPath.java:282>
at org.jf.dexlib.Code.Analysis.ClassPath.initClassPath<ClassPath.java:163>
at org.jf.dexlib.Code.Analysis.ClassPath.InitializeClassPath<ClassPath.java:131>
at org.jf.baksmali.baksmali.disassembleDexFile<baksmali.java:111>
at org.jf.baksmali.main.main<main.java:293>
Error while loading class Lcom/android/server/enterprise/ApnSettingsPolicy; from _framework\services.zip
Error while loading ClassPath class Lcom/android/server/enterprise/ApnSettingsPolicy;
Thats all.
There's no problem with deodexing SGS2, the error occur to deodex SGS3 only.
I really need the developer's help. Thanks for the reading my thread.

[Q] Error in android sample apps

I am starting to program and I decided to start with android. I looked at android sample apps from Google . I tried running the accelerometer play app and got 2 error messages they are both about the methods not overideing a superclass method . I don't know what a superclass
Method is .

SD Card + 2 sim hack Bypass solution

Greeting
I've a problem in my Note 9 device
Not allowing to USE 2 SIM card + SD Card hack
it works fine but an error/blocking message from Samsung "There seems to be something in your SIM card tray slot that doesn't belong there, Check it and try again"
Any solutions ?
Tweaks: bypass MicroSD/Sim2 tray lock
So as most of you know, in latest Oreo firmwares Samsung added a check to prevent using both Sim2/MicroSD at same time in one slot (screenshot in attachments), fortunately this lock is pretty much easy to bypass, do this:
Decompile services.jar, open /com/android/server/StorageManagerService.smali class and in it search for isSimSdBlock() method. It should look like this:
Once you found it, all you have to do is to make sure the method always returns false, so basically all you need to do is to replace the whole method code inside to match this:
Code:
Recompile services.jar, push it on your device, profit
Credits to @corsicanu for the finding, don't forget to credit him if you're gonna use this little tweak on your project
Only solution i found but don't understand what is serviecs.jar where i can find it in my phone

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