DJI GO always crashes when disconnected - See Log inside

M

Mz3bo

Joined
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Hi,

My android DJI GO is 9 times our of 10 crashing whenever I am losing FPV or Weak signal appears. Everything is up to date and it is running on a Note 4. Here is the log file from DJI. Can someone give me a hint of what is not right ? Thanks

java.lang.RuntimeException: Unable to start activity ComponentInfo{dji.pilot/dji.pilot.fpv.activity.DJIPreviewActivityLitchi}: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.view.ViewGroup.getGlobalVisibleRect(android.graphics.Rect, android.graphics.Point)' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3149)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3248)
at android.app.ActivityThread.access$1000(ActivityThread.java:197)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1681)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:145)
at android.app.ActivityThread.main(ActivityThread.java:6872)
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:1404)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1199)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.view.ViewGroup.getGlobalVisibleRect(android.graphics.Rect, android.graphics.Point)' on a null object reference
at dji.pilot.fpv.leftmenu.DJILeftMenu.getMutexRect(Unknown Source)
at dji.pilot.fpv.leftmenu.DJILeftMenu.d(Unknown Source)
at dji.pilot.fpv.leftmenu.DJILeftMenu.onEventMainThread(Unknown Source)
at dji.pilot.fpv.leftmenu.DJILeftMenu.dispatchOnCreate(Unknown Source)
at dji.pilot.fpv.leftmenu.DJILeftBar.dispatchOnCreate(Unknown Source)
at dji.pilot.fpv.activity.DJIPreviewActivityLitchi.l(Unknown Source)
at dji.pilot.fpv.activity.DJIPreviewActivityLitchi.onCreate(Unknown Source)
at android.app.Activity.performCreate(Activity.java:6550)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1120)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3102)
... 10 more
java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.view.ViewGroup.getGlobalVisibleRect(android.graphics.Rect, android.graphics.Point)' on a null object reference
at dji.pilot.fpv.leftmenu.DJILeftMenu.getMutexRect(Unknown Source)
at dji.pilot.fpv.leftmenu.DJILeftMenu.d(Unknown Source)
at dji.pilot.fpv.leftmenu.DJILeftMenu.onEventMainThread(Unknown Source)
at dji.pilot.fpv.leftmenu.DJILeftMenu.dispatchOnCreate(Unknown Source)
at dji.pilot.fpv.leftmenu.DJILeftBar.dispatchOnCreate(Unknown Source)
at dji.pilot.fpv.activity.DJIPreviewActivityLitchi.l(Unknown Source)
at dji.pilot.fpv.activity.DJIPreviewActivityLitchi.onCreate(Unknown Source)
at android.app.Activity.performCreate(Activity.java:6550)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1120)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3102)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3248)
at android.app.ActivityThread.access$1000(ActivityThread.java:197)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1681)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:145)
at android.app.ActivityThread.main(ActivityThread.java:6872)
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:1404)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1199)
 
Mz3bo said:
Hi,

My android DJI GO is 9 times our of 10 crashing whenever I am losing FPV or Weak signal appears. Everything is up to date and it is running on a Note 4. Here is the log file from DJI. Can someone give me a hint of what is not right ? Thanks

java.lang.RuntimeException: Unable to start activity ComponentInfo{dji.pilot/dji.pilot.fpv.activity.DJIPreviewActivityLitchi}: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.view.ViewGroup.getGlobalVisibleRect(android.graphics.Rect, android.graphics.Point)' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3149)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3248)
at android.app.ActivityThread.access$1000(ActivityThread.java:197)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1681)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:145)
at android.app.ActivityThread.main(ActivityThread.java:6872)
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:1404)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1199)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.view.ViewGroup.getGlobalVisibleRect(android.graphics.Rect, android.graphics.Point)' on a null object reference
at dji.pilot.fpv.leftmenu.DJILeftMenu.getMutexRect(Unknown Source)
at dji.pilot.fpv.leftmenu.DJILeftMenu.d(Unknown Source)
at dji.pilot.fpv.leftmenu.DJILeftMenu.onEventMainThread(Unknown Source)
at dji.pilot.fpv.leftmenu.DJILeftMenu.dispatchOnCreate(Unknown Source)
at dji.pilot.fpv.leftmenu.DJILeftBar.dispatchOnCreate(Unknown Source)
at dji.pilot.fpv.activity.DJIPreviewActivityLitchi.l(Unknown Source)
at dji.pilot.fpv.activity.DJIPreviewActivityLitchi.onCreate(Unknown Source)
at android.app.Activity.performCreate(Activity.java:6550)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1120)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3102)
... 10 more
java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.view.ViewGroup.getGlobalVisibleRect(android.graphics.Rect, android.graphics.Point)' on a null object reference
at dji.pilot.fpv.leftmenu.DJILeftMenu.getMutexRect(Unknown Source)
at dji.pilot.fpv.leftmenu.DJILeftMenu.d(Unknown Source)
at dji.pilot.fpv.leftmenu.DJILeftMenu.onEventMainThread(Unknown Source)
at dji.pilot.fpv.leftmenu.DJILeftMenu.dispatchOnCreate(Unknown Source)
at dji.pilot.fpv.leftmenu.DJILeftBar.dispatchOnCreate(Unknown Source)
at dji.pilot.fpv.activity.DJIPreviewActivityLitchi.l(Unknown Source)
at dji.pilot.fpv.activity.DJIPreviewActivityLitchi.onCreate(Unknown Source)
at android.app.Activity.performCreate(Activity.java:6550)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1120)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3102)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3248)
at android.app.ActivityThread.access$1000(ActivityThread.java:197)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1681)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:145)
at android.app.ActivityThread.main(ActivityThread.java:6872)
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:1404)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1199)
Click to expand...
Samsung phone has lots of bloatware in the rom and increase the chance of conflict. Try to root it and install clean rom like cm one would help.
 
Also have Note 4-no root. I use "Package Disable Pro"-app to disable bloat wear in general and temp disable unnecessary apps while flying P3P.
 
That's odd. I have a Note 3 (not rooted) and it runs the latest version of the Go App just fine. No video lag, either. I have a P3A. Now, I have the Greenify app, which forces some never used apps into permanent hiberation.
 
I had a Iconia A1 that ran the Go App fine till a firmware upgrade ended that. I now use a Nexus 7 which works flawlessly. No rhyme or reason???
 
samsung phone pre installed their apps and lots of them are useless and cause problem with other app sometime, so a clean rom / os is better for dji go app.
 

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