java.lang.RuntimeException: Unable to start activity ComponentInfo{com.rdsj.aircraft/com.rdsj.aircraft.keterangan}: java.lang.NullPointerException


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Unable to start activity ComponentInfo{com.rdsj.aircraft/com.rdsj.aircraft.keterangan}: java.lang.NullPointerException

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Unable to start activity ComponentInfo{com.rdsj.aircraft/com.rdsj.aircraft.keterangan}: android.database.sqlite.SQLiteCantOpenDatabaseException: unknown error (code 14): Could not open database

Solution icon of stackoverflow
Unable to start activity ComponentInfo{Activity}: java.lang.NullPointerException

Stack trace

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.rdsj.aircraft/com.rdsj.aircraft.keterangan}: java.lang.NullPointerException
	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2195)
	at android.app.ActivityThread.startActivityNow(ActivityThread.java:2035)
	at android.app.LocalActivityManager.moveToState(LocalActivityManager.java:135)
	at android.app.LocalActivityManager.startActivity(LocalActivityManager.java:347)
	at android.widget.TabHost$IntentContentStrategy.getContentView(TabHost.java:749)
	at android.widget.TabHost.setCurrentTab(TabHost.java:413)
	at android.widget.TabHost$2.onTabSelectionChanged(TabHost.java:154)
	at android.widget.TabWidget$TabClickListener.onClick(TabWidget.java:546)
	at android.view.View.performClick(View.java:4438)
	at android.view.View$PerformClick.run(View.java:18422)
	at android.os.Handler.handleCallback(Handler.java:733)
	at android.os.Handler.dispatchMessage(Handler.java:95)
	at android.os.Looper.loop(Looper.java:136)
	at android.app.ActivityThread.main(ActivityThread.java:5017)
	at java.lang.reflect.Method.invokeNative(Native Method)
	at java.lang.reflect.Method.invoke(Method.java:515)
	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
	at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.NullPointerException
	at com.rdsj.aircraft.keterangan.checkResult(keterangan.java:101)
	at com.rdsj.aircraft.keterangan.onCreate(keterangan.java:77)
	at android.app.Activity.performCreate(Activity.java:5231)
	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)
	... 18 more

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