2021-01-11 14:01:18.456 2751-4851/? W/MiuiPerfServiceClient: interceptAndQueuing:20286|me.cominixo.openlibrenfc|508|508|unknown|null|me.cominixo.openlibrenfc/me.cominixo.openlibrenfc.MainActivity|9527098424259|Slow main thread|1
2021-01-11 14:01:18.517 20286-20286/? W/System.err: java.io.IOException: No such file or directory
2021-01-11 14:01:18.517 20286-20286/? W/System.err:     at java.io.UnixFileSystem.createFileExclusively0(Native Method)
2021-01-11 14:01:18.517 20286-20286/? W/System.err:     at java.io.UnixFileSystem.createFileExclusively(UnixFileSystem.java:317)
2021-01-11 14:01:18.517 20286-20286/? W/System.err:     at java.io.File.createNewFile(File.java:1008)
2021-01-11 14:01:18.517 20286-20286/? W/System.err:     at me.cominixo.openlibrenfc.MainActivity.dumpMemory(MainActivity.java:87)
2021-01-11 14:01:18.517 20286-20286/? W/System.err:     at java.lang.reflect.Method.invoke(Native Method)
2021-01-11 14:01:18.517 20286-20286/? W/System.err:     at androidx.appcompat.app.AppCompatViewInflater$DeclaredOnClickListener.onClick(AppCompatViewInflater.java:385)
2021-01-11 14:01:18.517 20286-20286/? W/System.err:     at android.view.View.performClick(View.java:7191)
2021-01-11 14:01:18.517 20286-20286/? W/System.err:     at android.view.View.performClickInternal(View.java:7164)
2021-01-11 14:01:18.517 20286-20286/? W/System.err:     at android.view.View.access$3500(View.java:821)
2021-01-11 14:01:18.517 20286-20286/? W/System.err:     at android.view.View$PerformClick.run(View.java:27862)
2021-01-11 14:01:18.517 20286-20286/? W/System.err:     at android.os.Handler.handleCallback(Handler.java:914)
2021-01-11 14:01:18.517 20286-20286/? W/System.err:     at android.os.Handler.dispatchMessage(Handler.java:100)
2021-01-11 14:01:18.517 20286-20286/? W/System.err:     at android.os.Looper.loop(Looper.java:224)
2021-01-11 14:01:18.517 20286-20286/? W/System.err:     at android.app.ActivityThread.main(ActivityThread.java:7551)
2021-01-11 14:01:18.517 20286-20286/? W/System.err:     at java.lang.reflect.Method.invoke(Native Method)
2021-01-11 14:01:18.517 20286-20286/? W/System.err:     at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:539)
2021-01-11 14:01:18.517 20286-20286/? W/System.err:     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:995)
2021-01-11 14:01:18.521 17090-17090/? W/ActivityThread: handleWindowVisibility: no activity for token android.os.BinderProxy@acb02fa