android - App crashes when bringing the app to foreground while playing high memory games -

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i have wiered problem app.

when bring app foreground background while playing high memory consuming games asphalt 8, app crashes. this happens when play high memory app asphalt 8.the crashing occuring because activity context becomes null.

i have no idea on how fix this. there knows solution on how fix this.

thanks in advance :)

update

logcat:

  7927-7927/com.xxxxx.android.beta e/androidruntime﹕ fatal exception: main     process: com.xxxxxx.android.beta, pid: 7927     java.lang.runtimeexception: unable start activity componentinfo{com.xxxxxx.android.beta/com.xxxxxxxxx.android.login.initialscreen}: java.lang.nullpointerexception: attempt invoke virtual method 'java.lang.object android.content.context.getsystemservice(java.lang.string)' on null object reference             @ android.app.activitythread.performlaunchactivity(activitythread.java:2314)             @ android.app.activitythread.handlelaunchactivity(activitythread.java:2388)             @ android.app.activitythread.access$800(activitythread.java:148)             @ android.app.activitythread$h.handlemessage(activitythread.java:1292)             @ android.os.handler.dispatchmessage(handler.java:102)             @ android.os.looper.loop(looper.java:135)             @ android.app.activitythread.main(activitythread.java:5312)             @ java.lang.reflect.method.invoke(native method)             @ java.lang.reflect.method.invoke(method.java:372)             @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:901)             @ com.android.internal.os.zygoteinit.main(zygoteinit.java:696)      caused by: java.lang.nullpointerexception: attempt invoke virtual method 'java.lang.object android.content.context.getsystemservice(java.lang.string)' on null object reference             @ com.xxxxxxxx.android.login.swipefragment_second.oncreateview(swipefragment_second.java:42)             @ android.support.v4.app.fragment.performcreateview(fragment.java:1786)             @ android.support.v4.app.fragmentmanagerimpl.movetostate(fragmentmanager.java:947)             @ android.support.v4.app.fragmentmanagerimpl.movetostate(fragmentmanager.java:1126)             @ android.support.v4.app.fragmentmanagerimpl.movetostate(fragmentmanager.java:1108)             @ android.support.v4.app.fragmentmanagerimpl.dispatchactivitycreated(fragmentmanager.java:1917)             @ android.support.v4.app.fragmentactivity.onstart(fragmentactivity.java:544)             @ android.app.instrumentation.callactivityonstart(instrumentation.java:1243)             @ android.app.activity.performstart(activity.java:5969)             @ android.app.activitythread.performlaunchactivity(activitythread.java:2277)             at android.app.activitythread.handlelaunchactivity(activitythread.java:2388)             at android.app.activitythread.access$800(activitythread.java:148)             at android.app.activitythread$h.handlemessage(activitythread.java:1292)             at android.os.handler.dispatchmessage(handler.java:102)             at android.os.looper.loop(looper.java:135)             at android.app.activitythread.main(activitythread.java:5312)             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:901)             at com.android.internal.os.zygoteinit.main(zygoteinit.java:696) 03-17 13:38:48.531    7927-7954/com.xxxxxxxxx.android.beta i/fabric﹕ crashlytics report upload complete:


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