[Moto G 2015 Android Development] xMotoDA:
I found a bug, how can I report it to the developer(s)?

When an app has been open for some seconds, the home button doesn't work, and the recents button crashes SystemUI.

Logcat output:

When pressing home:

05-18 11:17:49.906 2621 2621 E AndroidRuntime: FATAL EXCEPTION: main
05-18 11:17:49.906 2621 2621 E AndroidRuntime: Process: com.android.systemui, PID: 2621
05-18 11:17:49.906 2621 2621 E AndroidRuntime: java.lang.NullPointerException: Attempt to invoke virtual method 'android.graphics.GraphicBuffer android.graphics.Bitmap.createGraphicBufferHandle()' on a null object reference
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.RecentsTransitionHelper.drawViewIntoGraphicBuffer(RecentsTransitionHelper.java:436)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.
.recents.views.RecentsTransitionHelper.composeHeaderBitmap(RecentsTransitionHelper.java:416)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.RecentsTransitionHelper.composeAnimationSpec(RecentsTransitionHelper.java:446)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.RecentsTransitionHelper.composeAnimationSpecs(RecentsTransitionHelper.java:340)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.RecentsTransitionHelper.lambda$-com_android_systemui_recents_views_RecentsTransitionHelper_4885(RecentsTransitionHelper.java:120)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.-$Lambda$UsNiZzzHtOnAHQyNVTbOVt0a-mE$1.$m$0(Unknown Source:18)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.-$Lambda$UsNiZzzHtOnAHQyNVTbOVt0a-mE$1.composeSpecs(Unknown Source:0)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.RecentsTransitionHelper$AppTransitionAnimationSpecsFuture.precacheSpecs(RecentsTransitionHelper.java:494)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.RecentsTransitionHelper.-com_android_systemui_recents_views_RecentsTransitionHelper-mthref-0(RecentsTransitionHelper.java:254)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.-$Lambda$WwZGxqla_6RESRnuRvIBkLf5Lio.$m$0(Unknown Source:4)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.-$Lambda$WwZGxqla_6RESRnuRvIBkLf5Lio.run(Unknown Source:11)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at android.os.Handler.handleCallback(Handler.java:790)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at android.os.Handler.dispatchMessage(Handler.java:99)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at android.os.Looper.loop(Looper.java:164)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at android.app.ActivityThread.main(ActivityThread.java:6494)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at java.lang.reflect.Method.invoke(Native Method)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:440)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)

When pressing Recents:

05-18 11:17:49.906 2621 2621 E AndroidRuntime: FATAL EXCEPTION: main
05-18 11:17:49.906 2621 2621 E AndroidRuntime: Process: com.android.systemui, PID: 2621
05-18 11:17:49.906 2621 2621 E AndroidRuntime: java.lang.NullPointerException: Attempt to invoke virtual method 'android.graphics.GraphicBuffer android.graphics.Bitmap.createGraphicBufferHandle()' on a null object reference
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.RecentsTransitionHelper.drawViewIntoGraphicBuffer(RecentsTransitionHelper.java:436)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.RecentsTransitionHelper.composeHeaderBitmap(RecentsTransitionHelper.java:416)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.RecentsTransitionHelper.composeAnimationSpec(RecentsTransitionHelper.java:446)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.RecentsTransitionHelper.composeAnimationSpecs(RecentsTransitionHelper.java:340)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.RecentsTransitionHelper.lambda$-com_android_systemui_recents_views_RecentsTransitionHelper_4885(RecentsTransitionHelper.java:120)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.-$Lambda$UsNiZzzHtOnAHQyNVTbOVt0a-mE$1.$m$0(Unknown Source:18)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.-$Lambda$UsNiZzzHtOnAHQyNVTbOVt0a-mE$1.composeSpecs(Unknown Source:0)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.RecentsTransitionHelper$AppTransitionAnimationSpecsFuture.precacheSpecs(RecentsTransitionHelper.java:494)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.RecentsTransitionHelper.-com_android_systemui_recents_views_RecentsTransitionHelper-mthref-0(RecentsTransitionHelper.java:254)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.-$Lambda$WwZGxqla_6RESRnuRvIBkLf5Lio.$m$0(Unknown Source:4)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.systemui.recents.views.-$Lambda$WwZGxqla_6RESRnuRvIBkLf5Lio.run(Unknown Source:11)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at android.os.Handler.handleCallback(Handler.java:790)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at android.os.Handler.dispatchMessage(Handler.java:99)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at android.os.Looper.loop(Looper.java:164)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at android.app.ActivityThread.main(ActivityThread.java:6494)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at java.lang.reflect.Method.invoke(Native Method)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:440)
05-18 11:17:49.906 2621 2621 E AndroidRuntime:	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)
05-18 11:17:51.593 923 13215 I chatty : uid=1000(system) pool-1-thread-1 expire 6 lines
05-18 11:17:51.601 923 2563 I chatty : uid=1000(system) WifiService expire 10 lines
05-18 11:17:53.724 923 13219 I chatty : uid=1000(system) Binder:923_12 expire 13 lines