Fixed NullPointerException when only using one of album/shooting/recording. #53
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It was introduced by commit 0610353
Crash log:
2022-08-19 21:57:00.813 9696-9696/com.zhongjh.cameraapp E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.zhongjh.cameraapp, PID: 9696
java.lang.RuntimeException: Unable to destroy activity {com.zhongjh.cameraapp/com.zhongjh.albumcamerarecorder.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.google.android.material.tabs.TabLayoutMediator.detach()' on a null object reference
at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:5387)
at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:5420)
at android.app.servertransaction.DestroyActivityItem.execute(DestroyActivityItem.java:47)
at android.app.servertransaction.ActivityTransactionItem.execute(ActivityTransactionItem.java:45)
at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:176)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:97)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2210)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loopOnce(Looper.java:201)
at android.os.Looper.loop(Looper.java:288)
at android.app.ActivityThread.main(ActivityThread.java:7839)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.google.android.material.tabs.TabLayoutMediator.detach()' on a null object reference
at com.zhongjh.albumcamerarecorder.MainActivity.onDestroy(MainActivity.java:139)
at android.app.Activity.performDestroy(Activity.java:8316)
at android.app.Instrumentation.callActivityOnDestroy(Instrumentation.java:1364)
at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:5374)
at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:5420)
at android.app.servertransaction.DestroyActivityItem.execute(DestroyActivityItem.java:47)
at android.app.servertransaction.ActivityTransactionItem.execute(ActivityTransactionItem.java:45)
at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:176)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:97)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2210)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loopOnce(Looper.java:201)
at android.os.Looper.loop(Looper.java:288)
at android.app.ActivityThread.main(ActivityThread.java:7839)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003)
2022-08-19 21:57:01.303 9696-9696/com.zhongjh.cameraapp E/CustomActivityOnCrash: App has crashed, executing CustomActivityOnCrash's UncaughtExceptionHandler
java.lang.RuntimeException: Unable to destroy activity {com.zhongjh.cameraapp/com.zhongjh.albumcamerarecorder.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.google.android.material.tabs.TabLayoutMediator.detach()' on a null object reference
at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:5387)
at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:5420)
at android.app.servertransaction.DestroyActivityItem.execute(DestroyActivityItem.java:47)
at android.app.servertransaction.ActivityTransactionItem.execute(ActivityTransactionItem.java:45)
at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:176)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:97)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2210)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loopOnce(Looper.java:201)
at android.os.Looper.loop(Looper.java:288)
at android.app.ActivityThread.main(ActivityThread.java:7839)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.google.android.material.tabs.TabLayoutMediator.detach()' on a null object reference
at com.zhongjh.albumcamerarecorder.MainActivity.onDestroy(MainActivity.java:139)
at android.app.Activity.performDestroy(Activity.java:8316)
at android.app.Instrumentation.callActivityOnDestroy(Instrumentation.java:1364)
at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:5374)
at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:5420)
at android.app.servertransaction.DestroyActivityItem.execute(DestroyActivityItem.java:47)
at android.app.servertransaction.ActivityTransactionItem.execute(ActivityTransactionItem.java:45)
at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:176)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:97)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2210)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loopOnce(Looper.java:201)
at android.os.Looper.loop(Looper.java:288)
at android.app.ActivityThread.main(ActivityThread.java:7839)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003)
2022-08-19 21:57:01.940 9785-9785/com.zhongjh.cameraapp E/CustomActivityOnCrash: The previous app process crashed. This is the stack trace of the crash:
java.lang.RuntimeException: Unable to destroy activity {com.zhongjh.cameraapp/com.zhongjh.albumcamerarecorder.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.google.android.material.tabs.TabLayoutMediator.detach()' on a null object reference
at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:5387)
at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:5420)
at android.app.servertransaction.DestroyActivityItem.execute(DestroyActivityItem.java:47)
at android.app.servertransaction.ActivityTransactionItem.execute(ActivityTransactionItem.java:45)
at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:176)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:97)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2210)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loopOnce(Looper.java:201)
at android.os.Looper.loop(Looper.java:288)
at android.app.ActivityThread.main(ActivityThread.java:7839)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.google.android.material.tabs.TabLayoutMediator.detach()' on a null object reference
at com.zhongjh.albumcamerarecorder.MainActivity.onDestroy(MainActivity.java:139)
at android.app.Activity.performDestroy(Activity.java:8316)
at android.app.Instrumentation.callActivityOnDestroy(Instrumentation.java:1364)
at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:5374)
at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:5420)
at android.app.servertransaction.DestroyActivityItem.execute(DestroyActivityItem.java:47)
at android.app.servertransaction.ActivityTransactionItem.execute(ActivityTransactionItem.java:45)
at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:176)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:97)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2210)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loopOnce(Looper.java:201)
at android.os.Looper.loop(Looper.java:288)
at android.app.ActivityThread.main(ActivityThread.java:7839)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003)