Project Information
Repository: https://github.com/vijai1996/screenrecorder
Project Name: screen recorder
Publisher : vijai1996
Expected behavior
While recording with the screen recorder app, wanted to capture the feature of it opening inside app before recording, expected to be able to use my mobile default recorder to capture this.
Actual behavior
After enabling target app feature, I started the recording with the app it opened in the targeted app, immediately I clicked on my phone default recorder to capture this, I got error response and I further clicked on pause in the notification bar of screen recorder app, and there was a crash.
How to reproduce
- download screen recorder app from F-droid
- launch the app and enable target app (chrome was used in my scenario)
- click on the record button which is a blue color below the right corner
- immediately you are on the target app after accepting prompt, open the mobile default screen recorder
- error message will be seen, open the notification bar and click the pause option of the screen recorder app
App crashes!
- App version: version 1.8.7
- Operating system: android 7.0
Recording Of The Bug
Proof of Work Done
from the logcat pulled the result of the crash was Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.content.Intent.getAction()' on a null object reference
Full logcat of the application crash is shown below:
Logcat
05-06 22:06:18.699 17633 17633 E AndroidRuntime: FATAL EXCEPTION: main 05-06 22:06:18.699 17633 17633 E AndroidRuntime: Process: com.orpheusdroid.screenrecorder, PID: 17633 05-06 22:06:18.699 17633 17633 E AndroidRuntime: java.lang.RuntimeException: Unable to start service com.orpheusdroid.screenrecorder.RecorderService@3d2d93b with null: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.content.Intent.getAction()' on a null object reference 05-06 22:06:18.699 17633 17633 E AndroidRuntime: at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:3411) 05-06 22:06:18.699 17633 17633 E AndroidRuntime: at android.app.ActivityThread.-wrap21(ActivityThread.java) 05-06 22:06:18.699 17633 17633 E AndroidRuntime: at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1632) 05-06 22:06:18.699 17633 17633 E AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:110) 05-06 22:06:18.699 17633 17633 E AndroidRuntime: at android.os.Looper.loop(Looper.java:203) 05-06 22:06:18.699 17633 17633 E AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:6251) 05-06 22:06:18.699 17633 17633 E AndroidRuntime: at java.lang.reflect.Method.invoke(Native Method) 05-06 22:06:18.699 17633 17633 E AndroidRuntime: at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1073) 05-06 22:06:18.699 17633 17633 E AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:934) 05-06 22:06:18.699 17633 17633 E AndroidRuntime: Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.content.Intent.getAction()' on a null object reference 05-06 22:06:18.699 17633 17633 E AndroidRuntime: at com.orpheusdroid.screenrecorder.RecorderService.onStartCommand(RecorderService.java:145) 05-06 22:06:18.699 17633 17633 E AndroidRuntime: at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:3394) 05-06 22:06:18.699 17633 17633 E AndroidRuntime: ... 8 more 05-06 22:07:15.818 17840 17840 E AndroidRuntime: FATAL EXCEPTION: main 05-06 22:07:15.818 17840 17840 E AndroidRuntime: Process: com.orpheusdroid.screenrecorder, PID: 17840 05-06 22:07:15.818 17840 17840 E AndroidRuntime: java.lang.RuntimeException: Unable to start service com.orpheusdroid.screenrecorder.RecorderService@3d2d93b with null: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.content.Intent.getAction()' on a null object reference 05-06 22:07:15.818 17840 17840 E AndroidRuntime: at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:3411) 05-06 22:07:15.818 17840 17840 E AndroidRuntime: at android.app.ActivityThread.-wrap21(ActivityThread.java) 05-06 22:07:15.818 17840 17840 E AndroidRuntime: at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1632) 05-06 22:07:15.818 17840 17840 E AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:110) 05-06 22:07:15.818 17840 17840 E AndroidRuntime: at android.os.Looper.loop(Looper.java:203) 05-06 22:07:15.818 17840 17840 E AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:6251) 05-06 22:07:15.818 17840 17840 E AndroidRuntime: at java.lang.reflect.Method.invoke(Native Method) 05-06 22:07:15.818 17840 17840 E AndroidRuntime: at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1073) 05-06 22:07:15.818 17840 17840 E AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:934) 05-06 22:07:15.818 17840 17840 E AndroidRuntime: Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.content.Intent.getAction()' on a null object reference 05-06 22:07:15.818 17840 17840 E AndroidRuntime: at com.orpheusdroid.screenrecorder.RecorderService.onStartCommand(RecorderService.java:145) 05-06 22:07:15.818 17840 17840 E AndroidRuntime: at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:3394) 05-06 22:07:15.818 17840 17840 E AndroidRuntime: ... 8 more 05-06 22:09:13.076 18046 18046 E AndroidRuntime: FATAL EXCEPTION: main 05-06 22:09:13.076 18046 18046 E AndroidRuntime: Process: com.orpheusdroid.screenrecorder, PID: 18046 05-06 22:09:13.076 18046 18046 E AndroidRuntime: java.lang.RuntimeException: Unable to start service com.orpheusdroid.screenrecorder.RecorderService@3d2d93b with null: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.content.Intent.getAction()' on a null object reference 05-06 22:09:13.076 18046 18046 E AndroidRuntime: at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:3411) 05-06 22:09:13.076 18046 18046 E AndroidRuntime: at android.app.ActivityThread.-wrap21(ActivityThread.java) 05-06 22:09:13.076 18046 18046 E AndroidRuntime: at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1632) 05-06 22:09:13.076 18046 18046 E AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:110) 05-06 22:09:13.076 18046 18046 E AndroidRuntime: at android.os.Looper.loop(Looper.java:203) 05-06 22:09:13.076 18046 18046 E AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:6251) 05-06 22:09:13.076 18046 18046 E AndroidRuntime: at java.lang.reflect.Method.invoke(Native Method) 05-06 22:09:13.076 18046 18046 E AndroidRuntime: at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1073) 05-06 22:09:13.076 18046 18046 E AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:934) 05-06 22:09:13.076 18046 18046 E AndroidRuntime: Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.content.Intent.getAction()' on a null object reference 05-06 22:09:13.076 18046 18046 E AndroidRuntime: at com.orpheusdroid.screenrecorder.RecorderService.onStartCommand(RecorderService.java:145) 05-06 22:09:13.076 18046 18046 E AndroidRuntime: at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:3394) 05-06 22:09:13.076 18046 18046 E AndroidRuntime: ... 8 more
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