BUG: termux-fingerprint opens blank window when secondary display is attached

Problem description

Steps to reproduce

Expected behavior

Additional information

Packages CPU architecture:
aarch64
Subscribed repositories:
# sources.list
deb https://termux.org/packages/ stable main
# science-repo (sources.list.d/science.list)
deb https://dl.bintray.com/grimler/science-packages-24 science stable
# game-repo (sources.list.d/game.list)
deb https://dl.bintray.com/grimler/game-packages-24 games stable
# x11-repo (sources.list.d/x11.list)
deb https://dl.bintray.com/xeffyr/x11-packages x11 main
# root-repo (sources.list.d/root.list)
deb https://dl.bintray.com/grimler/termux-root-packages-24 root stable
# unstable-repo (sources.list.d/unstable.list)
deb https://dl.bintray.com/xeffyr/unstable-packages unstable main
Updatable packages:
apt/stable 1.4.9-29 aarch64 [upgradable from: 1.4.9-27]
bash/stable 5.0.17-2 aarch64 [upgradable from: 5.0.17]
busybox/stable 1.31.1-11 aarch64 [upgradable from: 1.31.1-10]
bzip2/stable 1.0.8-6 aarch64 [upgradable from: 1.0.8-5]
ca-certificates/stable 20200626 all [upgradable from: 20200101]
clang/stable 10.0.0-2 aarch64 [upgradable from: 9.0.1-7]
command-not-found/stable 1.55 aarch64 [upgradable from: 1.52]
coreutils/stable 8.32-2 aarch64 [upgradable from: 8.32-1]
curl/stable 7.71.0-1 aarch64 [upgradable from: 7.70.0-1]
dash/stable 0.5.11-3 aarch64 [upgradable from: 0.5.11]
diffutils/stable 3.7-3 aarch64 [upgradable from: 3.7-2]
dos2unix/stable 7.4.1-1 aarch64 [upgradable from: 7.4.1]
dpkg/stable 1.20.5 aarch64 [upgradable from: 1.20.0-3]
ed/stable 1.16-1 aarch64 [upgradable from: 1.16]
findutils/stable 4.7.0-2 aarch64 [upgradable from: 4.7.0]
gawk/stable 5.1.0-1 aarch64 [upgradable from: 5.1.0]
grep/stable 3.4-1 aarch64 [upgradable from: 3.4]
gzip/stable 1.10-4 aarch64 [upgradable from: 1.10-3]
inetutils/stable 1.9.4-10 aarch64 [upgradable from: 1.9.4-9]
jq/stable 1.6-3 aarch64 [upgradable from: 1.6-2]
libandroid-glob/stable 0.6-2 aarch64 [upgradable from: 0.6]
libandroid-glob-static/stable 0.6-2 aarch64 [upgradable from: 0.6]
libandroid-shmem/stable 0.2.1-1 aarch64 [upgradable from: 0.2.1]
libandroid-shmem-static/stable 0.2.1-1 aarch64 [upgradable from: 0.2.1]
libandroid-spawn/stable 0.2-3 aarch64 [upgradable from: 0.2-1]
libandroid-spawn-static/stable 0.2-3 aarch64 [upgradable from: 0.2-1]
libbz2/stable 1.0.8-6 aarch64 [upgradable from: 1.0.8-5]
libc++/stable 21d-1 aarch64 [upgradable from: 20]
libcrypt/stable 0.2-3 aarch64 [upgradable from: 0.2-2]
libcurl/stable 7.71.0-1 aarch64 [upgradable from: 7.70.0-1]
libffi/stable 3.3-2 aarch64 [upgradable from: 3.3]
libgcrypt/stable 1.8.5-4 aarch64 [upgradable from: 1.8.5-1]
libgmp/stable 6.2.0-1 aarch64 [upgradable from: 6.2.0]
libllvm/stable 10.0.0-2 aarch64 [upgradable from: 9.0.1-7]
libmpfr/stable 4.0.2-3 aarch64 [upgradable from: 4.0.2-2]
libnghttp2/stable 1.41.0-1 aarch64 [upgradable from: 1.41.0]
libogg/stable 1.3.4-1 aarch64 [upgradable from: 1.3.4]
libsqlite/stable 3.32.3 aarch64 [upgradable from: 3.32.2-3]
libssh2/stable 1.9.0-2 aarch64 [upgradable from: 1.9.0-1]
libvorbis/stable 1.3.6-4 aarch64 [upgradable from: 1.3.6-2]
micro/stable 2.0.6-1 aarch64 [upgradable from: 2.0.4-3]
nano/stable 4.9.3-4 aarch64 [upgradable from: 4.9.3-3]
ncurses/stable 6.2.20200222-1 aarch64 [upgradable from: 6.2.20200222]
ncurses-ui-libs/stable 6.2.20200222-1 aarch64 [upgradable from: 6.2.20200222]
ncurses-utils/stable 6.2.20200222-1 aarch64 [upgradable from: 6.2.20200222]
ndk-sysroot/stable 21d aarch64 [upgradable from: 20-8]
oniguruma/stable 6.9.5-2 aarch64 [upgradable from: 6.9.5-1]
openssl/stable 1.1.1g-4 aarch64 [upgradable from: 1.1.1g-2]
pcre/stable 8.44-1 aarch64 [upgradable from: 8.44]
pcre2/stable 10.35-1 aarch64 [upgradable from: 10.35]
python/stable 3.8.3-3 aarch64 [upgradable from: 3.8.3]
readline/stable 8.0.4-1 aarch64 [upgradable from: 8.0.4]
runit/stable 2.1.2-1 aarch64 [upgradable from: 2.1.2]
sed/stable 4.8-1 aarch64 [upgradable from: 4.8]
speexdsp/stable 1.2.0-2 aarch64 [upgradable from: 1.2.0-1]
tar/stable 1.32-6 aarch64 [upgradable from: 1.32-5]
termux-api/stable 0.50-2 aarch64 [upgradable from: 0.50]
termux-create-package/stable 0.10 all [upgradable from: 0.7]
termux-licenses/stable 2.0-1 all [upgradable from: 1.0]
termux-tools/stable 0.83-1 all [upgradable from: 0.81-3]
unzip/stable 6.0-7 aarch64 [upgradable from: 6.0-5]
util-linux/stable 2.35.2-1 aarch64 [upgradable from: 2.35.2]
zlib/stable 1.2.11-5 aarch64 [upgradable from: 1.2.11-4]
Android version:
10
Kernel build information:
Linux localhost 4.14.113-18777656 termux/termux-packages#1 SMP PREEMPT Tue May 26 17:23:48 KST 2020 aarch64 Android
Device manufacturer:
samsung
Device model:
SM-N975F

Start by reproducing termux-fingerprint with Termux running on a secondary display through Samsung DeX or another desktop-like setup. Trace the Java implementation behind the termux-fingerprint entry point and verify that completion leaves only the device fingerprint prompt, with no blank window on the secondary monitor.