SIGABRT Abort program 
    /apex/com.android.runtime/lib64/bionic/libc.so:638488 0x790d5fae18
    /apex/com.android.runtime/lib64/bionic/libc.so:382100 sigprocmask64
    /system/bin/app_process64:21996 0x65044c15ec
    /system/bin/app_process64:22240 sigprocmask64
    /apex/com.android.runtime/lib64/bionic/libc.so:321256 abort
    /data/app/~~m9R8Ee_dtkZQTEsb_2POuA==/com.sample-I6SP6-Fli0hNtKAiQtK_tg==/lib/arm64/librdpdf.so:2091060 0x7546d01834
    [vdso]:1472 __kernel_rt_sigreturn
    /apex/com.android.runtime/lib64/bionic/libc.so:321360 abort
    unknown 0x4bcecb67e7201bfa