java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.sensorlist/com.example.sensorlist.MainActivity}: java.lang.NullPointerException

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via Stack Overflow by rockybalboa123
, 1 year ago
Unable to start activity ComponentInfo{com.example.sensorlist/com.example.sensorlist.MainActivity}: java.lang.NullPointerException
via Stack Overflow by Wijden
, 2 years ago
Unable to start activity ComponentInfo{Activity}: java.lang.NullPointerException
via Stack Overflow by Sabarish
, 2 years ago
Unable to start activity ComponentInfo{/app.UserPage}: java.lang.NullPointerException
via Stack Overflow by DanKCl
, 2 years ago
Unable to start activity ComponentInfo{***********}: java.lang.NullPointerException
via Stack Overflow by Salatkopf
, 11 months ago
Unable to start activity ComponentInfo{main.android.AndroidLauncher}: java.lang.NullPointerException
via Stack Overflow by Chulbul Pandey
, 2 years ago
Unable to start activity ComponentInfo{OrdersActivity}: java.lang.NullPointerException
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.sensorlist/com.example.sensorlist.MainActivity}: java.lang.NullPointerException
at java.io.File.fixSlashes(File.java:185)
at java.io.File.(File.java:134)
at java.io.FileOutputStream.(FileOutputStream.java:128)
at java.io.FileOutputStream.(FileOutputStream.java:117)
at com.example.sensorlist.MainActivity.onCreate(MainActivity.java:64)
at android.app.Activity.performCreate(Activity.java:5122)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1081)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2307)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2395)
at android.app.ActivityThread.access$600(ActivityThread.java:162)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1364)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:194)
at android.app.ActivityThread.main(ActivityThread.java:5371)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:525)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:833)

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