I got below logs in android studio logcat:

=================================================================

2018-11-30 11:49:19.919 6599-6609/com.game.demo E/System: Uncaught exception thrown by finalizer
2018-11-30 11:49:19.920 6599-6609/com.game.demo E/System: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Class java.lang.Object.getClass()' on a null object reference
        at java.lang.reflect.Proxy.getInvocationHandler(Proxy.java:891)
        at bitter.jnibridge.JNIBridge.disableInterfaceProxy(Unknown Source:0)
        at bitter.jnibridge.JNIBridge.delete(Native Method)
        at bitter.jnibridge.JNIBridge$a.finalize(Unknown Source:15)
        at java.lang.Daemons$FinalizerDaemon.doFinalize(Daemons.java:252)
        at java.lang.Daemons$FinalizerDaemon.runInternal(Daemons.java:239)
        at java.lang.Daemons$Daemon.run(Daemons.java:105)
        at java.lang.Thread.run(Thread.java:764)

=========================================================================

2018-11-30 11:49:20.000 6599-6616/com.game.demo E/CRASH: signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 00000000
2018-11-30 11:49:20.000 6599-6616/com.game.demo E/CRASH: *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
2018-11-30 11:49:20.000 6599-6616/com.game.demo E/CRASH: Build fingerprint: 'Xiaomi/beryllium/beryllium:8.1.0/OPM1.171019.026/V10.0.6.0.OEJMIFH:user/release-keys'
2018-11-30 11:49:20.000 6599-6616/com.game.demo E/CRASH: Revision: '0'
2018-11-30 11:49:20.000 6599-6616/com.game.demo E/CRASH: pid: 6599, tid: 6616, name: UnityMain  >>> com.game.demo <<<
2018-11-30 11:49:20.000 6599-6616/com.game.demo E/CRASH:     r0 00000000  r1 00000000  r2 d10fe0b8  r3 80000000
2018-11-30 11:49:20.000 6599-6616/com.game.demo E/CRASH:     r4 cf51cc10  r5 d10fe644  r6 ef027b60  r7 00000000
2018-11-30 11:49:20.000 6599-6616/com.game.demo E/CRASH:     r8 00000000  r9 cda40490  sl 00000001  fp d10fe178
2018-11-30 11:49:20.000 6599-6616/com.game.demo E/CRASH:     ip e64bad80  sp d10fe178  lr cfe31468  pc e864b6d0  cpsr 0000000b
2018-11-30 11:49:20.000 6599-6616/com.game.demo E/CRASH: backtrace:
2018-11-30 11:49:20.001 6599-6616/com.game.demo E/CRASH:    #00  pc 000076d0   ( MainMenu:Start () + 0x70 (0xe864b660 0xe864b6e0) [0xef060ee0 - Unity Root Domain]+30416)
2018-11-30 11:49:20.001 6599-6616/com.game.demo E/CRASH:    #01  pc 00031464  [anon:libc_malloc]
2018-11-30 11:49:20.001 6599-6616/com.game.demo E/CRASH: memory near r3:
2018-11-30 11:49:20.001 6599-6616/com.game.demo E/CRASH:     7fffffe0 ffffffff ffffffff ffffffff ffffffff  ................
2018-11-30 11:49:20.001 6599-6616/com.game.demo E/CRASH:     7ffffff0 ffffffff ffffffff ffffffff ffffffff  ................
2018-11-30 11:49:20.001 6599-6616/com.game.demo E/CRASH:     80000000 ffffffff ffffffff ffffffff ffffffff  ................
2018-11-30 11:49:20.001 6599-6616/com.game.demo E/CRASH:     80000010 ffffffff ffffffff ffffffff ffffffff  ................
2018-11-30 11:49:20.001 6599-6616/com.game.demo E/CRASH:     80000020 ffffffff ffffffff ffffffff ffffffff  ................
2018-11-30 11:49:20.001 6599-6616/com.game.demo E/CRASH:     80000030 ffffffff ffffffff ffffffff ffffffff  ................
2018-11-30 11:49:20.001 6599-6616/com.game.demo E/CRASH:     80000040 ffffffff ffffffff ffffffff ffffffff  ................
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     80000050 ffffffff ffffffff ffffffff ffffffff  ................
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     80000060 ffffffff ffffffff ffffffff ffffffff  ................
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     80000070 ffffffff ffffffff ffffffff ffffffff  ................
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     80000080 ffffffff ffffffff ffffffff ffffffff  ................
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     80000090 ffffffff ffffffff ffffffff ffffffff  ................
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     800000a0 ffffffff ffffffff ffffffff ffffffff  ................
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     800000b0 ffffffff ffffffff ffffffff ffffffff  ................
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     800000c0 ffffffff ffffffff ffffffff ffffffff  ................
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     800000d0 ffffffff ffffffff ffffffff ffffffff  ................
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH: code around pc:
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     e864b6b0 eeb70bc2 ed0d0a02 e51d3008 ebfbe3b3  .........0......
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     e864b6c0 e30a0f60 e34e0f06 e5901000 e1a00001  `.....N.........
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     e864b6d0 e591e000 eb000001 e28bd010 e89da900  ................
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     e864b6e0 e92d5fff e59f1008 e1a0e00f e12fff11  ._-.........../.
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     e864b6f0 cab93560 ef336000 e92d5fff e59f1008  `5...`3.._-.....
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     e864b700 e1a0e00f e12fff11 cac25250 ef336000  ....../.PR...`3.
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     e864b710 e92d5fff e59f1008 e1a0e00f e12fff11  ._-.........../.
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     e864b720 c9268ee8 ef336000 e1a0c00d e92d5900  ..&..`3......Y-.
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     e864b730 e24dd008 e1a0b00d e30d0f20 e34e0f02  ..M..... .....N.
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     e864b740 e5900000 e5901018 e3080f60 e34e0e94  ........`.....N.
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     e864b750 e3a02001 eb000031 e3500000 0a000015  . ..1.....P.....
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     e864b760 e30d0f00 e34e0f02 e5901000 e1a00001  ......N.........
2018-11-30 11:49:20.002 6599-6616/com.game.demo E/CRASH:     e864b770 e591e000 eb000087 e5cb0000 e20000ff  ................
2018-11-30 11:49:20.003 6599-6616/com.game.demo E/CRASH:     e864b780 e3500000 1a000005 e30d0f00 e34e0f02  ..P...........N.
2018-11-30 11:49:20.003 6599-6616/com.game.demo E/CRASH:     e864b790 e5901000 e1a00001 e591e000 eb0000af  ................
2018-11-30 11:49:20.003 6599-6616/com.game.demo E/CRASH:     e864b7a0 e5db0000 e3500000 0a000002 e3080f60  ......P.....`...
2018-11-30 11:49:20.003 6599-6616/com.game.demo E/CRASH: code around lr:
2018-11-30 11:49:20.003 6599-6616/com.game.demo E/CRASH:     cfe31448 ee753777 00000000 00000000 00000000  w7u.............
2018-11-30 11:49:20.003 6599-6616/com.game.demo E/CRASH:     cfe31458 00000000 00000000 ffffffff 00000000  ................
2018-11-30 11:49:20.003 6599-6616/com.game.demo E/CRASH:     cfe31468 e64bad80 e64bad80 00000000 00000000  ..K...K.........
2018-11-30 11:49:20.003 6599-6616/com.game.demo E/CRASH:     cfe31478 00000000 00000000 00000000 00000000  ................
2018-11-30 11:49:20.003 6599-6616/com.game.demo E/CRASH:     cfe31488 cf19d8a4 00000000 00000000 00000000  ................
2018-11-30 11:49:20.003 6599-6616/com.game.demo E/CRASH:     cfe31498 00000000 00000000 00000000 00000000  ................
2018-11-30 11:49:20.003 6599-6616/com.game.demo E/CRASH:     cfe314a8 00000000 00000000 00000000 00000000  ................
2018-11-30 11:49:20.003 6599-6616/com.game.demo E/CRASH:     cfe314b8 00000000 00000000 00000000 00000000  ................
2018-11-30 11:49:20.003 6599-6616/com.game.demo E/CRASH:     cfe314c8 00000000 00000000 00000000 00000000  ................
2018-11-30 11:49:20.003 6599-6616/com.game.demo E/CRASH:     cfe314d8 00000000 00000000 00000000 00000000  ................
2018-11-30 11:49:20.003 6599-6616/com.game.demo E/CRASH:     cfe314e8 00000000 00000000 00000000 00000000  ................
2018-11-30 11:49:20.003 6599-6616/com.game.demo E/CRASH:     cfe314f8 00000000 00000000 00000000 00000000  ................
2018-11-30 11:49:20.003 6599-6616/com.game.demo E/CRASH:     cfe31508 00000000 00000000 00000000 00000000  ................
2018-11-30 11:49:20.003 6599-6616/com.game.demo E/CRASH:     cfe31518 00000000 00000000 00000000 00000000  ................
2018-11-30 11:49:20.003 6599-6616/com.game.demo E/CRASH:     cfe31528 00000000 00000000 00000000 00000000  ................
2018-11-30 11:49:20.003 6599-6616/com.game.demo E/CRASH:     cfe31538 00000000 00000000 00000004 00000161  ............a...
2018-11-30 11:49:20.004 6599-6616/com.game.demo E/MessageQueue: IdleHandler threw exception
    java.lang.Error: signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 00000000
    Build fingerprint: 'Xiaomi/beryllium/beryllium:8.1.0/OPM1.171019.026/V10.0.6.0.OEJMIFH:user/release-keys'
    Revision: '0'
    pid: 6599, tid: 6616, name: UnityMain  >>> com.game.demo <<<
        r0 00000000  r1 00000000  r2 d10fe0b8  r3 80000000
        r4 cf51cc10  r5 d10fe644  r6 ef027b60  r7 00000000
        r8 00000000  r9 cda40490  sl 00000001  fp d10fe178
        ip e64bad80  sp d10fe178  lr cfe31468  pc e864b6d0  cpsr 0000000b

        at Unknown.000076d0(Unknown Source:0)
        at [anon:libc_malloc].00031464(Native Method)
  • Are you interacting with AndroidJavaObjects or AndroidJavaClasses at all? Or AndroidJNI? – Ed Marty Nov 30 at 15:15
  • Is the black screen coming after the unity splash screen or even before it? – Shraa1 Nov 30 at 17:46
  • @Shraa1 Its only coming after unity splash screen – Wrong Turn Dec 2 at 7:54
  • @EdMarty No. Not using AndroidJavaClasses – Wrong Turn Dec 2 at 7:55

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